Merge branch 'develop'

Changes for Embarcadero C++ clang-based compilers, targeting Boost 1.74. Change __BORLANDC__ to BOOST_BORLANDC and __CODEGEARC__ to BOOST_CODE…

.appveyor.yml

@@ -0,0 +1,32 @@
+# Copyright 2017 Daniel James
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
+
+version: 1.0.{build}-{branch}
+
+shallow_clone: true
+
+environment:
+  matrix:
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      TOOLSET: msvc-10.0,msvc-11.0,msvc-12.0,msvc-14.0
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      TOOLSET: msvc-14.1
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      TOOLSET: msvc-14.2
+
+install:
+  - set BOOST_ROOT=c:\projects\boost
+  - cd c:\projects\
+  - python %APPVEYOR_BUILD_FOLDER%\ci\download-boost-snapshot.py master
+  - rd /s /q %BOOST_ROOT%\boost\unordered
+  - cd %BOOST_ROOT%\tools\build
+  - cmd /c bootstrap
+  - cd %APPVEYOR_BUILD_FOLDER%
+  - echo. 2>Jamroot.jam
+
+build: off
+
+test_script:
+  - cd %APPVEYOR_BUILD_FOLDER%\test
+  - cmd /c %BOOST_ROOT%\tools\build\b2 -j 3 toolset=%TOOLSET% include=%APPVEYOR_BUILD_FOLDER%\include include=%BOOST_ROOT%

.editorconfig

@@ -0,0 +1,7 @@
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+
+[*.?pp]
+indent_size = 2

.travis.yml

@@ -11,56 +11,77 @@ language: c++
 addons:
     apt:
         packages:
-            - libboost-tools-dev
             - libxml2-utils
             - g++-multilib
 
 matrix:
     include:
       - compiler: gcc
-        env: BJAM_TOOLSET=gcc
+        env: |
+            label="gcc C++03/11";
+            user_config="using gcc : : g++-4.8 --coverage -fsanitize=address ;"
+            enable_coverage=1
+            CXXSTD=03,11
       - compiler: gcc
-        env: BJAM_TOOLSET=gcc-std11
-      #- compiler: gcc
-      #  env: BJAM_TOOLSET=gcc-m32
-      - compiler: gcc
-        env: BJAM_TOOLSET=gcc-std11m32
-      #- compiler: clang
-      #  env: BJAM_TOOLSET=clang
+        env: |
+            label="gcc 32 bit C++11";
+            user_config="using gcc : : g++-4.8 -m32 -fsanitize=address ;"
+            CXXSTD=11
       - compiler: clang
-        env: BJAM_TOOLSET=clang-std11
+        env: |
+            label="clang C++11/17";
+            user_config="using clang : : clang++ -fsanitize=address ;"
+            CXXSTD=11,17
+        # sanitized=address not available for 32-bit clang on travis.
       - compiler: clang
-        env: BJAM_TOOLSET=clang-m32
-      #- compiler: clang
-      #  env: BJAM_TOOLSET=clang-std11m32
-      - compiler: gcc
-        env: BJAM_TOOLSET=gcc-interopable
-      - compiler: clang
-        env: BJAM_TOOLSET=clang-interopable
+        env: |
+            label="clang 32 bit";
+            user_config="using clang : : clang++ -m32 ;"
+            CXXSTD=03
+
+before_install:
+    - if [ -n $enable_coverage ]; then pip install --user cpp-coveralls; fi
 
 before_script:
+    - export BOOST_VERSION=1.67.0
+    - export BOOST_FILENAME=boost_1_67_0
+    - export BOOST_ROOT=${HOME}/boost
     - cd ${TRAVIS_BUILD_DIR}
     - touch Jamroot.jam
     - cd $HOME
-    - |
-        echo "using gcc : : g++-4.8 -Werror --std=c++03 -fsanitize=address ;" > ~/user-config.jam
-        echo "using gcc : std11 : g++-4.8 -Werror --std=c++11 -fsanitize=address ;" >> ~/user-config.jam
-        echo "using gcc : m32 : g++-4.8 -m32 -Werror -fsanitize=address ;" >> ~/user-config.jam
-        echo "using gcc : std11m32 : g++-4.8 -m32 -Werror --std=c++11 -fsanitize=address ;" >> ~/user-config.jam
-        echo "using clang : : clang++ -Werror --std=c++03 -fsanitize=address ;" >> ~/user-config.jam
-        echo "using clang : std11 : clang++ -Werror --std=c++11 -fsanitize=address ;" >> ~/user-config.jam
-        # sanitized=address not available for 32-bit clang on travis.
-        echo "using clang : m32 : clang++ -m32 -Werror --std=c++03 ;" >> ~/user-config.jam
-        echo "using clang : std11m32 : clang++ -m32 -Werror --std=c++11 ;" >> ~/user-config.jam
-        echo "using gcc : interopable : g++-4.8 -Werror --std=c++03 -fsanitize=address -DBOOST_UNORDERED_INTEROPERABLE_NODES=1 ;" >> ~/user-config.jam
-        echo "using clang : interopable : clang++ -Werror --std=c++11 -fsanitize=address -DBOOST_UNORDERED_INTEROPERABLE_NODES=1 ;" >> ~/user-config.jam
+    - echo $user_config > ~/user-config.jam
     - cat ~/user-config.jam
-    - wget -O boost.tar.bz2 https://sourceforge.net/projects/boost/files/boost/1.63.0/boost_1_63_0.tar.bz2
-    - tar -xjf boost.tar.bz2
-    - mv boost_1_63_0 boost
-    - rm -r boost/boost/unordered
+    - |
+        # Pick snapshot to use
+        if [ "$TRAVIS_EVENT_TYPE" == "cron" ]
+        then
+            if [ "$TRAVIS_BRANCH" == "master" ]
+            then
+                snapshot=master
+            else
+                snapshot=develop
+            fi
+        else
+            #snapshot=stable
+            snapshot=master
+        fi
+
+        # Download and extract snapshot
+        echo "Downloading ${download_url}"
+        mkdir $HOME/download
+        cd $HOME/download
+        python ${TRAVIS_BUILD_DIR}/ci/download-boost-snapshot.py $snapshot
+        mv * ${BOOST_ROOT}
+    - rm -r ${BOOST_ROOT}/boost/unordered
+    - cd ${BOOST_ROOT}/tools/build
+    - mkdir ${HOME}/opt
+    - bash bootstrap.sh
+    - ./b2 install --prefix=$HOME/opt
+
+after_success:
+    if [ -n $enable_coverage ]; then coveralls -r ${TRAVIS_BUILD_DIR} -b ${TRAVIS_BUILD_DIR}/test --gcov-options '\-lp' --include include/boost/unordered/ ; fi
 
 script:
     - cd ${TRAVIS_BUILD_DIR}/test
-    - bjam ${BJAM_TOOLSET} include=${HOME}/boost include=${TRAVIS_BUILD_DIR}/include
+    - ${HOME}/opt/bin/b2 -j 3 cxxstd=$CXXSTD -q include=${BOOST_ROOT} include=${TRAVIS_BUILD_DIR}/include
     - xmllint --noout ${TRAVIS_BUILD_DIR}/doc/ref.xml

_clang-format

@@ -3,16 +3,17 @@
 # Distributed under the Boost Software License, Version 1.0. (See accompanying
 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-# Using clang format 3.8
-# http://llvm.org/releases/3.8.0/tools/clang/docs/ClangFormatStyleOptions.html
+# Using clang format 4.0
+# http://llvm.org/releases/4.0.0/tools/clang/docs/ClangFormatStyleOptions.html
 
 # Becuase you have to start somewhere.
 BasedOnStyle: LLVM
 
 # Basic settings
 ColumnLimit: 80
-ContinuationIndentWidth: 4
-IndentWidth: 4
+NamespaceIndentation: All
+ContinuationIndentWidth: 2
+IndentWidth: 2
 UseTab: Never
 Language: Cpp
 Standard: Cpp03
@@ -34,4 +35,4 @@ BraceWrapping:
 PointerAlignment: Left
 
 # Boost specific stuff
-ForEachMacros: [ BOOST_FOREACH ]
+ForEachMacros: [ BOOST_FOREACH, UNORDERED_AUTO_TEST ]

ci/download-boost-snapshot.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+
+import urllib, os, os.path, sys, json, tarfile, zipfile, tempfile
+
+def download(snapshot):
+    if snapshot == 'stable':
+        # TODO: Default version/filename if not available?
+        downloads = [
+            "https://sourceforge.net/projects/boost/files/boost/%s/%s.tar.bz2/download" %
+                (os.environ['BOOST_VERSION'], os.environ['BOOST_FILENAME'])]
+    else:
+        json_response = urllib.urlopen('https://api.bintray.com/packages/boostorg/%s/snapshot/files' % (snapshot))
+        x = json.load(json_response)
+
+        extension_priorities = { '.bz2': 2, '.gz': 1, '.zip': 0 }
+        file_list = []
+        version_dates = {}
+        for file in x:
+            file_extension = os.path.splitext(file['path'])[1]
+            if (file_extension in extension_priorities):
+                file['priority'] = extension_priorities[file_extension]
+                file_list.append(file)
+                if not file['version'] in version_dates or file['created'] < version_dates[file['version']]:
+                    version_dates[file['version']] = file['created']
+        file_list.sort(key=lambda x: (version_dates[x['version']], x['priority']), reverse=True)
+        downloads = ['http://dl.bintray.com/boostorg/%s/%s' % (snapshot, file['path']) for file in file_list]
+
+    filename = ''
+    for download_url in downloads:
+        try:
+            print "Downloading: " + download_url
+            (filename, headers) = urllib.urlretrieve(download_url)
+
+            print "Extracting: " + filename
+            dir = tempfile.mkdtemp()
+            extract(filename, dir)
+            os.remove(filename)
+            files = os.listdir(dir)
+            assert(len(files) == 1)
+            os.rename(os.path.join(dir, files[0]), 'boost')
+            return
+        except IOError:
+            print "Error opening URL: " + download_url
+
+def extract(filename, path = '.'):
+    if (filename.endswith(".gz")):
+        tar = tarfile.open(filename, "r:gz")
+        tar.extractall(path)
+        tar.close
+    elif (filename.endswith(".bz2")):
+        tar = tarfile.open(filename, "r:bz2")
+        tar.extractall(path)
+        tar.close
+    elif (filename.endswith(".zip")):
+        zip = zipfile.ZipFile(filename, "r")
+        zip.extractall(path)
+        zip.close
+    else:
+        assert False
+
+if len(sys.argv) == 1:
+    download('stable')
+elif len(sys.argv) == 2:
+    download(sys.argv[1])
+else:
+    print "Usage: %s [stable|branch-name]" % (sys.argv[0])

doc/Jamfile.v2

@@ -9,7 +9,9 @@ using quickbook ;
 path-constant images_location : ../ ;
 path-constant admonishment_location : ../../../../doc/src/images ;
 
-xml unordered : unordered.qbk ;
+xml unordered : unordered.qbk :
+    <xsl:param>generate.consistent.ids=1 ;
+
 boostbook standalone : unordered :
     <xsl:param>chunk.first.sections=1
     <xsl:param>chunk.section.depth=2
@@ -21,6 +23,8 @@ boostbook standalone : unordered :
     <xsl:param>boost.compact.function=0
     <xsl:param>boost.compact.enum=0
 
+    <xsl:param>generate.consistent.ids=1
+
     # HTML Options:
 
     <format>html:<xsl:param>boost.root=../../../..

doc/buckets.qbk

@@ -17,7 +17,7 @@ the hash function, `Hash`, to the element's key (for `unordered_set` and
 `unordered_multiset` the key is the whole element, but is referred to as the key
 so that the same terminology can be used for sets and maps). This returns a
 value of type `std::size_t`.  `std::size_t` has a much greater range of values
-then the number of buckets, so that container applies another transformation to
+then the number of buckets, so the container applies another transformation to
 that value to choose a bucket to place the element in.
 
 Retrieving the elements for a given key is simple. The same process is applied
@@ -57,7 +57,7 @@ keep collisions to a minimum.
       </row>
       <row>
         <entry>'''`size_type bucket(key_type const& k) const`'''</entry>
-        <entry>'''Returns the index of the bucket which would contain k'''</entry>
+        <entry>'''Returns the index of the bucket which would contain `k`.'''</entry>
       </row>
       <row>
         <entry>'''`local_iterator begin(size_type n);`'''</entry>
@@ -92,7 +92,7 @@ You can also tell the container to change the bucket count (if required) by
 calling `rehash`.
 
 The standard leaves a lot of freedom to the implementer to decide how the
-number of buckets are chosen, but it does make some requirements based on the
+number of buckets is chosen, but it does make some requirements based on the
 container's 'load factor', the average number of elements per bucket.
 Containers also have a 'maximum load factor' which they should try to keep the
 load factor below.
@@ -138,7 +138,7 @@ or close to the hint - unless your hint is unreasonably small or large.
     ]
     [
         [`void rehash(size_type n)`]
-        [Changes the number of buckets so that there at least n buckets, and
+        [Changes the number of buckets so that there at least `n` buckets, and
         so that the load factor is less than the maximum load factor.]
     ]
 
@@ -149,7 +149,7 @@ or close to the hint - unless your hint is unreasonably small or large.
 It is not specified how member functions other than `rehash` affect
 the bucket count, although `insert` is only allowed to invalidate iterators
 when the insertion causes the load factor to be greater than or equal to the
-maximum load factor. For most implementations this means that insert will only
+maximum load factor. For most implementations this means that `insert` will only
 change the number of buckets when this happens. While iterators can be
 invalidated by calls to `insert` and `rehash`, pointers and references to the
 container's elements are never invalidated.
@@ -160,12 +160,9 @@ the expensive rehashing out of the way and let you store iterators, safe in
 the knowledge that they won't be invalidated. If you are inserting `n`
 elements into container `x`, you could first call:
 
-    x.rehash((x.size() + n) / x.max_load_factor() + 1);
+    x.rehash((x.size() + n) / x.max_load_factor());
 
 [blurb Note: `rehash`'s argument is the minimum number of buckets, not the
-number of elements, which is why the new size is divided by the maximum load factor.  The
-`+ 1` guarantees there is no invalidation; without it, reallocation could occur
-if the number of bucket exactly divides the target size, since the container is
-allowed to rehash when the load factor is equal to the maximum load factor.]
+number of elements, which is why the new size is divided by the maximum load factor.]
 
 [endsect]

doc/changes.qbk

@@ -6,6 +6,8 @@
 [template ticket[number]'''<ulink
     url="https://svn.boost.org/trac/boost/ticket/'''[number]'''">'''#[number]'''</ulink>''']
 
+[template pull_request[number][@https://github.com/boostorg/unordered/pull/[number] GitHub #[number]]]
+
 [section:changes Change Log]
 
 [h2 Review Version]
@@ -52,7 +54,7 @@ First official release.
   Document that the equality and inequality operators are undefined for two
   objects if their equality predicates aren't equivalent. Thanks to Daniel
   Krügler.
-* [@https://svn.boost.org/trac/boost/ticket/1710 Ticket 1710]: 
+* [@https://svn.boost.org/trac/boost/ticket/1710 Ticket 1710]:
   Use a larger prime number list. Thanks to Thorsten Ottosen and Hervé
   Brönnimann.
 * Use
@@ -99,13 +101,13 @@ First official release.
   has been rewritten to use templates instead of macros for the implementation
   classes.
 
-* The container objcet is now smaller thanks to using `boost::compressed_pair`
+* The container object is now smaller thanks to using `boost::compressed_pair`
   for EBO and a slightly different function buffer - now using a bool instead
   of a member pointer.
 
 * Buckets are allocated lazily which means that constructing an empty container
   will not allocate any memory.
-  
+
 [h2 Boost 1.42.0]
 
 * Support instantiating the containers with incomplete value types.
@@ -170,7 +172,7 @@ C++11 support has resulted in some breaking changes:
   longer does so. It does emulate the new `piecewise_construct`
   pair constructors - only you need to use
   `boost::piecewise_construct`. To use the old emulation of
-  the variadic consturctors define
+  the variadic constructors define
   `BOOST_UNORDERED_DEPRECATED_PAIR_CONSTRUCT`.
 
 [h2 Boost 1.49.0]
@@ -207,7 +209,7 @@ C++11 support has resulted in some breaking changes:
 * Fix construction/destruction issue when using a C++11 compiler with a
   C++03 allocator ([ticket 7100]).
 * Remove a `try..catch` to support compiling without exceptions.
-* Adjust SFINAE use to try to supprt g++ 3.4 ([ticket 7175]).
+* Adjust SFINAE use to try to support g++ 3.4 ([ticket 7175]).
 * Updated to use the new config macros.
 
 [h2 Boost 1.52.0]
@@ -307,9 +309,52 @@ C++11 support has resulted in some breaking changes:
 * Initial support for new C++17 member functions:
   `insert_or_assign` and `try_emplace` in `unordered_map`,
 * Initial support for `merge` and `extract`.
-  Does not include transfering nodes between
+  Does not include transferring nodes between
   `unordered_map` and `unordered_multimap` or between `unordered_set` and
   `unordered_multiset` yet. That will hopefully be in the next version of
   Boost.
 
+[h2 Boost 1.65.0]
+
+* Add deprecated attributes to `quick_erase` and `erase_return_void`.
+  I really will remove them in a future version this time.
+* Small standards compliance fixes:
+  * `noexpect` specs for `swap` free functions.
+  * Add missing `insert(P&&)` methods.
+
+[h2 Boost 1.66.0]
+
+* Simpler move construction implementation.
+* Documentation fixes ([pull_request 6]).
+
+[h2 Boost 1.67.0]
+
+* Improved C++17 support:
+  * Add template deduction guides from the standard.
+  * Use a simple implementation of `optional` in node handles, so
+    that they're closer to the standard.
+  * Add missing `noexcept` specifications to `swap`, `operator=`
+    and node handles, and change the implementation to match.
+    Using `std::allocator_traits::is_always_equal`, or our own
+    implementation when not available, and
+    `boost::is_nothrow_swappable` in the implementation.
+* Improved C++20 support:
+  * Use `boost::to_address`, which has the proposed C++20 semantics,
+    rather than the old custom implementation.
+* Add `element_type` to iterators, so that `std::pointer_traits`
+  will work.
+* Use `std::piecewise_construct` on recent versions of Visual C++,
+  and other uses of the Dinkumware standard library,
+  now using Boost.Predef to check compiler and library versions.
+* Use `std::iterator_traits` rather than the boost iterator traits
+  in order to remove dependency on Boost.Iterator.
+* Remove iterators' inheritance from `std::iterator`, which is
+  deprecated in C++17, thanks to Daniela Engert
+  ([@https://github.com/boostorg/unordered/pull/7 PR#7]).
+* Stop using `BOOST_DEDUCED_TYPENAME`.
+* Update some Boost include paths.
+* Rename some internal methods, and variables.
+* Various testing improvements.
+* Miscellaneous internal changes.
+
 [endsect]

doc/comparison.qbk

@@ -60,7 +60,7 @@
         [Iterators iterate through the container in the order defined by
             the comparison object.]
         [Iterators iterate through the container in an arbitrary order, that
-            can change as elements are inserted. Although, equivalent elements
+            can change as elements are inserted, although equivalent elements
             are always adjacent.]
     ]
     [

doc/compliance.qbk

@@ -2,7 +2,13 @@
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) ]
 
-[section:compliance C++11 Compliance]
+[section:compliance Standard Compliance]
+
+The intent of Boost.Unordered is to implement a close (but imperfect)
+implementation of the C++17 standard, that will work with C++98 upwards.
+The wide compatibility does mean some comprimises have to be made.
+With a compiler and library that fully support C++11, the differences should
+be minor.
 
 [section:move Move emulation]
 
@@ -51,23 +57,32 @@ Due to imperfect move emulation, some assignments might check
 `propagate_on_container_copy_assignment` on some compilers and
 `propagate_on_container_move_assignment` on others.
 
-The use of the allocator's construct and destruct methods might be a bit
-surprising.
-Nodes are constructed and destructed using the allocator, but the elements
-are stored in aligned space within the node and constructed and destructed
-by calling the constructor and destructor directly.
+[endsect]
 
-In C++11 the allocator's construct function has the signature:
+[section:construction Construction/Destruction using allocators]
 
-    template <class U, class... Args>
-    void construct(U* p, Args&&... args);
+The following support is required for full use of C++11 style
+construction/destruction:
 
-which supports calling `construct` for the contained object, but
-most existing allocators don't support this. If member function detection
-was good enough then with old allocators it would fall back to calling
-the element's constructor directly but in general, detection isn't good
-enough to do this which is why Boost.Unordered just calls the constructor
-directly every time. In most cases this will work okay.
+* Variadic templates.
+* Piecewise construction of `std::pair`.
+* Either `std::allocator_traits` or expression SFINAE.
+
+This is detected using Boost.Config. The macro
+`BOOST_UNORDERED_CXX11_CONSTRUCTION` will be set to 1 if it is found, or 0
+otherwise.
+
+When this is the case `allocator_traits::construct` and
+`allocator_traits::destroy` will always be used, apart from when piecewise
+constructing a `std::pair` using `boost::tuple` (see [link
+unordered.compliance.pairs below]), but that should be easily avoided.
+
+When support is not available `allocator_traits::construct` and
+`allocator_traits::destroy` are never called.
+
+[endsect]
+
+[section:pointer_traits Pointer Traits]
 
 `pointer_traits` aren't used. Instead, pointer types are obtained from
 rebound allocators, this can cause problems if the allocator can't be
@@ -77,6 +92,7 @@ is used to obtain a const pointer.
 
 [endsect]
 
+[#unordered.compliance.pairs]
 [section:pairs Pairs]
 
 Since the containers use `std::pair` they're limited to the version
@@ -101,7 +117,7 @@ first part of the pair, and the remaining for the second part.
 
 When swapping, `Pred` and `Hash` are not currently swapped by calling
 `swap`, their copy constructors are used. As a consequence when swapping
-an exception may be throw from their  copy constructor.
+an exception may be thrown from their copy constructor.
 
 Variadic constructor arguments for `emplace` are only used when both
 rvalue references and variadic template parameters are available.

doc/intro.qbk

@@ -84,7 +84,7 @@ can be in any order. For example, it might be:
     one,1
     three,3
 
-To store an object in an unordered associative container requires both an
+To store an object in an unordered associative container requires both a
 key equality function and a hash function. The default function objects in
 the standard containers support a few basic types including integer types,
 floating point types, pointer types, and the standard strings. Since

doc/rationale.qbk

@@ -13,7 +13,7 @@ containers in the draft standard, so the interface was fixed. But there are
 still some implementation decisions to make. The priorities are
 conformance to the standard and portability.
 
-The [@http://en.wikipedia.org/wiki/Hash_table wikipedia article on hash tables]
+The [@http://en.wikipedia.org/wiki/Hash_table Wikipedia article on hash tables]
 has a good summary of the implementation issues for hash tables in general.
 
 [h2 Data Structure]
@@ -23,7 +23,7 @@ standard pretty much requires that the hash table uses chained addressing.
 
 It would be conceivable to write a hash table that uses another method.  For
 example, it could use open addressing, and use the lookup chain to act as a
-bucket but there are a some serious problems with this: 
+bucket but there are some serious problems with this:
 
 * The draft standard requires that pointers to elements aren't invalidated, so
   the elements can't be stored in one array, but will need a layer of
@@ -89,7 +89,7 @@ is that the required modulus operation is fairly expensive. This is what the
 containers do in most cases.
 
 Using a power of 2 allows for much quicker selection of the bucket
-to use, but at the expense of loosing the upper bits of the hash value.
+to use, but at the expense of losing the upper bits of the hash value.
 For some specially designed hash functions it is possible to do this and
 still get a good result but as the containers can take arbitrary hash
 functions this can't be relied on.
@@ -100,7 +100,7 @@ knowledge of the number of bits in the hash value, so it isn't portable enough
 to use as a default. It can applicable in certain cases so the containers
 have a policy based implementation that can use this alternative technique.
 
-Currently this is only done on 64 bit architecures, where prime number
+Currently this is only done on 64 bit architectures, where prime number
 modulus can be expensive. Although this varies depending on the architecture,
 so I probably should revisit it.
 

doc/ref.php

@@ -1672,20 +1672,11 @@ function echo_node_handle_docs($map)
               <classname>unordered_multi<?php echo $type ?></classname>, that
               can then be inserted into a compatible container type.
             </para>
-            <notes>
-              <para>
-                The name and template parameters of this type is implementation
-                defined, and should be obtained using the <code>node_type</code>
-                member typedef from the appropriate container.
-              </para>
-              <para>
-                In this version of Boost, <code>node_type</code> is different
-                for <?php echo $map ?
-                  '<code>unordered_map</code> and <code>unordered_multimap</code>,' :
-                  '<code>unordered_set</code> and <code>unordered_multiset</code>,';
-                ?> this will be fixed in a future version of Boost.
-              </para>
-            </notes>
+            <para>
+              The name and template parameters of this type are implementation
+              defined, and should be obtained using the <code>node_type</code>
+              member typedef from the appropriate container.
+            </para>
           </purpose>
 <?php if ($map): ?>
           <typedef name="key_type">

doc/ref.xml

@@ -2840,17 +2840,11 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
               <classname>unordered_multiset</classname>, that
               can then be inserted into a compatible container type.
             </para>
-            <notes>
-              <para>
-                The name and template parameters of this type is implementation
-                defined, and should be obtained using the <code>node_type</code>
-                member typedef from the appropriate container.
-              </para>
-              <para>
-                In this version of Boost, <code>node_type</code> is different
-                for <code>unordered_set</code> and <code>unordered_multiset</code>, this will be fixed in a future version of Boost.
-              </para>
-            </notes>
+            <para>
+              The name and template parameters of this type are implementation
+              defined, and should be obtained using the <code>node_type</code>
+              member typedef from the appropriate container.
+            </para>
           </purpose>
           <typedef name="value_type">
             <type>typename Container::value_type></type>
@@ -5816,17 +5810,11 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
               <classname>unordered_multimap</classname>, that
               can then be inserted into a compatible container type.
             </para>
-            <notes>
-              <para>
-                The name and template parameters of this type is implementation
-                defined, and should be obtained using the <code>node_type</code>
-                member typedef from the appropriate container.
-              </para>
-              <para>
-                In this version of Boost, <code>node_type</code> is different
-                for <code>unordered_map</code> and <code>unordered_multimap</code>, this will be fixed in a future version of Boost.
-              </para>
-            </notes>
+            <para>
+              The name and template parameters of this type are implementation
+              defined, and should be obtained using the <code>node_type</code>
+              member typedef from the appropriate container.
+            </para>
           </purpose>
           <typedef name="key_type">
             <type>typename Container::key_type</type>

doc/src_code/dictionary.cpp

@@ -4,7 +4,7 @@
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
 #include <boost/unordered_map.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/algorithm/string/predicate.hpp>
 #include "../../examples/fnv1.hpp"
 

doc/src_code/point1.cpp

@@ -4,7 +4,7 @@
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
 #include <boost/unordered_set.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 //[point_example1
     struct point {

doc/src_code/point2.cpp

@@ -5,7 +5,7 @@
 
 #include <boost/unordered_set.hpp>
 #include <boost/functional/hash.hpp>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 //[point_example2
     struct point {

doc/unordered.qbk

@@ -3,7 +3,8 @@
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) ]
 
 [library Boost.Unordered
-    [quickbook 1.5]
+    [quickbook 1.7]
+    [compatibility-mode 1.5]
     [authors [James, Daniel]]
     [copyright 2003 2004 Jeremy B. Maitin-Shepard]
     [copyright 2005 2006 2007 2008 Daniel James]

examples/case_insensitive_test.cpp

@@ -4,7 +4,7 @@
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
 #include "./case_insensitive.hpp"
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/unordered_map.hpp>
 
 struct word_info {

include/boost/unordered/detail/fwd.hpp

@@ -11,6 +11,8 @@
 #pragma once
 #endif
 
+#include <boost/predef.h>
+
 #if defined(BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT)
 // Already defined.
 #elif defined(BOOST_LIBSTDCXX11)
@@ -18,20 +20,24 @@
 #if BOOST_LIBSTDCXX_VERSION > 40600
 #define BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT 1
 #endif
-#elif defined(_LIBCPP_VERSION)
+#elif BOOST_LIB_STD_CXX
 // https://github.com/llvm-mirror/libcxx/blob/release_30/include/utility#L206
-#if LIBCPP_VERSION >= 3000
+#if BOOST_LIB_STD_CXX >= BOOST_VERSION_NUMBER(3, 0, 0)
 #define BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT 1
 #endif
-#elif defined(BOOST_MSVC)
+#elif defined(BOOST_LIB_STD_DINKUMWARE)
 // Apparently C++11 standard supported in Visual Studio 2012
 // https://msdn.microsoft.com/en-us/library/hh567368.aspx#stl
 // 2012 = VC+11 = BOOST_MSVC 1700 Hopefully!
-#if BOOST_MSVC >= 1700
+// I have no idea when Dinkumware added it, probably a lot
+// earlier than this check.
+#if BOOST_LIB_STD_DINKUMWARE >= BOOST_VERSION_NUMBER(6, 50, 0) ||              \
+  BOOST_COMP_MSVC >= BOOST_VERSION_NUMBER(17, 0, 0)
 #define BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT 1
 #endif
 #endif
 
+// Assume that an unknown library does not support piecewise construction.
 #if !defined(BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT)
 #define BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT 0
 #endif
@@ -41,17 +47,17 @@
 #endif
 
 namespace boost {
-namespace unordered {
+  namespace unordered {
 #if BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT
-using std::piecewise_construct_t;
-using std::piecewise_construct;
+    using std::piecewise_construct_t;
+    using std::piecewise_construct;
 #else
-struct piecewise_construct_t
-{
-};
-const piecewise_construct_t piecewise_construct = piecewise_construct_t();
+    struct piecewise_construct_t
+    {
+    };
+    const piecewise_construct_t piecewise_construct = piecewise_construct_t();
 #endif
-}
+  }
 }
 
 #endif

include/boost/unordered/detail/map.hpp

@@ -7,101 +7,61 @@
 #include <boost/unordered/unordered_map_fwd.hpp>
 
 namespace boost {
-namespace unordered {
-namespace detail {
-template <typename A, typename K, typename M, typename H, typename P> struct map
-{
-    typedef boost::unordered::detail::map<A, K, M, H, P> types;
+  namespace unordered {
+    namespace detail {
+      template <typename A, typename K, typename M, typename H, typename P>
+      struct map
+      {
+        typedef boost::unordered::detail::map<A, K, M, H, P> types;
 
-    typedef std::pair<K const, M> value_type;
-    typedef H hasher;
-    typedef P key_equal;
-    typedef K const const_key_type;
+        typedef std::pair<K const, M> value_type;
+        typedef H hasher;
+        typedef P key_equal;
+        typedef K const const_key_type;
 
-    typedef typename ::boost::unordered::detail::rebind_wrap<A,
-        value_type>::type value_allocator;
-    typedef boost::unordered::detail::allocator_traits<value_allocator>
-        value_allocator_traits;
+        typedef
+          typename ::boost::unordered::detail::rebind_wrap<A, value_type>::type
+            value_allocator;
+        typedef boost::unordered::detail::allocator_traits<value_allocator>
+          value_allocator_traits;
 
-    typedef boost::unordered::detail::pick_node<A, value_type> pick;
-    typedef typename pick::node node;
-    typedef typename pick::bucket bucket;
-    typedef typename pick::link_pointer link_pointer;
-    typedef typename pick::node_algo node_algo;
+        typedef boost::unordered::detail::pick_node<A, value_type> pick;
+        typedef typename pick::node node;
+        typedef typename pick::bucket bucket;
+        typedef typename pick::link_pointer link_pointer;
 
-    typedef boost::unordered::detail::table_impl<types> table;
-    typedef boost::unordered::detail::map_extractor<value_type> extractor;
+        typedef boost::unordered::detail::table<types> table;
+        typedef boost::unordered::detail::map_extractor<value_type> extractor;
 
-    typedef typename boost::unordered::detail::pick_policy<K>::type policy;
+        typedef typename boost::unordered::detail::pick_policy<K>::type policy;
 
-    typedef boost::unordered::iterator_detail::iterator<node> iterator;
-    typedef boost::unordered::iterator_detail::c_iterator<node> c_iterator;
-    typedef boost::unordered::iterator_detail::l_iterator<node, policy>
-        l_iterator;
-    typedef boost::unordered::iterator_detail::cl_iterator<node, policy>
-        cl_iterator;
+        typedef boost::unordered::iterator_detail::iterator<node> iterator;
+        typedef boost::unordered::iterator_detail::c_iterator<node> c_iterator;
+        typedef boost::unordered::iterator_detail::l_iterator<node> l_iterator;
+        typedef boost::unordered::iterator_detail::cl_iterator<node>
+          cl_iterator;
 
-    typedef boost::unordered::node_handle_map<node, K, M, A> node_type;
-    typedef boost::unordered::insert_return_type_map<node, K, M, A>
-        insert_return_type;
-};
+        typedef boost::unordered::node_handle_map<node, K, M, A> node_type;
+        typedef boost::unordered::insert_return_type_map<node, K, M, A>
+          insert_return_type;
+      };
 
-template <typename A, typename K, typename M, typename H, typename P>
-struct multimap
-{
-    typedef boost::unordered::detail::multimap<A, K, M, H, P> types;
+      template <typename K, typename M, typename H, typename P, typename A>
+      class instantiate_map
+      {
+        typedef boost::unordered_map<K, M, H, P, A> container;
+        container x;
+        typename container::node_type node_type;
+        typename container::insert_return_type insert_return_type;
+      };
 
-    typedef std::pair<K const, M> value_type;
-    typedef H hasher;
-    typedef P key_equal;
-    typedef K const const_key_type;
-
-    typedef typename ::boost::unordered::detail::rebind_wrap<A,
-        value_type>::type value_allocator;
-    typedef boost::unordered::detail::allocator_traits<value_allocator>
-        value_allocator_traits;
-
-#if BOOST_UNORDERED_INTEROPERABLE_NODES
-    typedef boost::unordered::detail::pick_node<A, value_type> pick;
-#else
-    typedef boost::unordered::detail::pick_grouped_node<A, value_type> pick;
-#endif
-    typedef typename pick::node node;
-    typedef typename pick::bucket bucket;
-    typedef typename pick::link_pointer link_pointer;
-    typedef typename pick::node_algo node_algo;
-
-    typedef boost::unordered::detail::grouped_table_impl<types> table;
-    typedef boost::unordered::detail::map_extractor<value_type> extractor;
-
-    typedef typename boost::unordered::detail::pick_policy<K>::type policy;
-
-    typedef boost::unordered::iterator_detail::iterator<node> iterator;
-    typedef boost::unordered::iterator_detail::c_iterator<node> c_iterator;
-    typedef boost::unordered::iterator_detail::l_iterator<node, policy>
-        l_iterator;
-    typedef boost::unordered::iterator_detail::cl_iterator<node, policy>
-        cl_iterator;
-
-    typedef boost::unordered::node_handle_map<node, K, M, A> node_type;
-};
-
-template <typename K, typename M, typename H, typename P, typename A>
-class instantiate_map
-{
-    typedef boost::unordered_map<K, M, H, P, A> container;
-    container x;
-    typename container::node_type node_type;
-    typename container::insert_return_type insert_return_type;
-};
-
-template <typename K, typename M, typename H, typename P, typename A>
-class instantiate_multimap
-{
-    typedef boost::unordered_multimap<K, M, H, P, A> container;
-    container x;
-    typename container::node_type node_type;
-};
-}
-}
+      template <typename K, typename M, typename H, typename P, typename A>
+      class instantiate_multimap
+      {
+        typedef boost::unordered_multimap<K, M, H, P, A> container;
+        container x;
+        typename container::node_type node_type;
+      };
+    }
+  }
 }

include/boost/unordered/detail/set.hpp

@@ -7,99 +7,60 @@
 #include <boost/unordered/unordered_set_fwd.hpp>
 
 namespace boost {
-namespace unordered {
-namespace detail {
-template <typename A, typename T, typename H, typename P> struct set
-{
-    typedef boost::unordered::detail::set<A, T, H, P> types;
+  namespace unordered {
+    namespace detail {
+      template <typename A, typename T, typename H, typename P> struct set
+      {
+        typedef boost::unordered::detail::set<A, T, H, P> types;
 
-    typedef T value_type;
-    typedef H hasher;
-    typedef P key_equal;
-    typedef T const const_key_type;
+        typedef T value_type;
+        typedef H hasher;
+        typedef P key_equal;
+        typedef T const const_key_type;
 
-    typedef typename ::boost::unordered::detail::rebind_wrap<A,
-        value_type>::type value_allocator;
-    typedef boost::unordered::detail::allocator_traits<value_allocator>
-        value_allocator_traits;
+        typedef
+          typename ::boost::unordered::detail::rebind_wrap<A, value_type>::type
+            value_allocator;
+        typedef boost::unordered::detail::allocator_traits<value_allocator>
+          value_allocator_traits;
 
-    typedef boost::unordered::detail::pick_node<A, value_type> pick;
-    typedef typename pick::node node;
-    typedef typename pick::bucket bucket;
-    typedef typename pick::link_pointer link_pointer;
-    typedef typename pick::node_algo node_algo;
+        typedef boost::unordered::detail::pick_node<A, value_type> pick;
+        typedef typename pick::node node;
+        typedef typename pick::bucket bucket;
+        typedef typename pick::link_pointer link_pointer;
 
-    typedef boost::unordered::detail::table_impl<types> table;
-    typedef boost::unordered::detail::set_extractor<value_type> extractor;
+        typedef boost::unordered::detail::table<types> table;
+        typedef boost::unordered::detail::set_extractor<value_type> extractor;
 
-    typedef typename boost::unordered::detail::pick_policy<T>::type policy;
+        typedef typename boost::unordered::detail::pick_policy<T>::type policy;
 
-    typedef boost::unordered::iterator_detail::c_iterator<node> iterator;
-    typedef boost::unordered::iterator_detail::c_iterator<node> c_iterator;
-    typedef boost::unordered::iterator_detail::cl_iterator<node, policy>
-        l_iterator;
-    typedef boost::unordered::iterator_detail::cl_iterator<node, policy>
-        cl_iterator;
+        typedef boost::unordered::iterator_detail::c_iterator<node> iterator;
+        typedef boost::unordered::iterator_detail::c_iterator<node> c_iterator;
+        typedef boost::unordered::iterator_detail::cl_iterator<node> l_iterator;
+        typedef boost::unordered::iterator_detail::cl_iterator<node>
+          cl_iterator;
 
-    typedef boost::unordered::node_handle_set<node, T, A> node_type;
-    typedef boost::unordered::insert_return_type_set<node, T, A>
-        insert_return_type;
-};
+        typedef boost::unordered::node_handle_set<node, T, A> node_type;
+        typedef boost::unordered::insert_return_type_set<node, T, A>
+          insert_return_type;
+      };
 
-template <typename A, typename T, typename H, typename P> struct multiset
-{
-    typedef boost::unordered::detail::multiset<A, T, H, P> types;
+      template <typename T, typename H, typename P, typename A>
+      class instantiate_set
+      {
+        typedef boost::unordered_set<T, H, P, A> container;
+        container x;
+        typename container::node_type node_type;
+        typename container::insert_return_type insert_return_type;
+      };
 
-    typedef T value_type;
-    typedef H hasher;
-    typedef P key_equal;
-    typedef T const const_key_type;
-
-    typedef typename ::boost::unordered::detail::rebind_wrap<A,
-        value_type>::type value_allocator;
-    typedef boost::unordered::detail::allocator_traits<value_allocator>
-        value_allocator_traits;
-
-#if BOOST_UNORDERED_INTEROPERABLE_NODES
-    typedef boost::unordered::detail::pick_node<A, value_type> pick;
-#else
-    typedef boost::unordered::detail::pick_grouped_node<A, value_type> pick;
-#endif
-    typedef typename pick::node node;
-    typedef typename pick::bucket bucket;
-    typedef typename pick::link_pointer link_pointer;
-    typedef typename pick::node_algo node_algo;
-
-    typedef boost::unordered::detail::grouped_table_impl<types> table;
-    typedef boost::unordered::detail::set_extractor<value_type> extractor;
-
-    typedef typename boost::unordered::detail::pick_policy<T>::type policy;
-
-    typedef boost::unordered::iterator_detail::c_iterator<node> iterator;
-    typedef boost::unordered::iterator_detail::c_iterator<node> c_iterator;
-    typedef boost::unordered::iterator_detail::cl_iterator<node, policy>
-        l_iterator;
-    typedef boost::unordered::iterator_detail::cl_iterator<node, policy>
-        cl_iterator;
-
-    typedef boost::unordered::node_handle_set<node, T, A> node_type;
-};
-
-template <typename T, typename H, typename P, typename A> class instantiate_set
-{
-    typedef boost::unordered_set<T, H, P, A> container;
-    container x;
-    typename container::node_type node_type;
-    typename container::insert_return_type insert_return_type;
-};
-
-template <typename T, typename H, typename P, typename A>
-class instantiate_multiset
-{
-    typedef boost::unordered_multiset<T, H, P, A> container;
-    container x;
-    typename container::node_type node_type;
-};
-}
-}
+      template <typename T, typename H, typename P, typename A>
+      class instantiate_multiset
+      {
+        typedef boost::unordered_multiset<T, H, P, A> container;
+        container x;
+        typename container::node_type node_type;
+      };
+    }
+  }
 }

include/boost/unordered/unordered_map_fwd.hpp

@@ -17,45 +17,48 @@
 #include <memory>
 
 namespace boost {
-namespace unordered {
-template <class K, class T, class H = boost::hash<K>,
-    class P = std::equal_to<K>,
-    class A = std::allocator<std::pair<const K, T> > >
-class unordered_map;
+  namespace unordered {
+    template <class K, class T, class H = boost::hash<K>,
+      class P = std::equal_to<K>,
+      class A = std::allocator<std::pair<const K, T> > >
+    class unordered_map;
 
-template <class K, class T, class H, class P, class A>
-inline bool operator==(
-    unordered_map<K, T, H, P, A> const&, unordered_map<K, T, H, P, A> const&);
-template <class K, class T, class H, class P, class A>
-inline bool operator!=(
-    unordered_map<K, T, H, P, A> const&, unordered_map<K, T, H, P, A> const&);
-template <class K, class T, class H, class P, class A>
-inline void swap(unordered_map<K, T, H, P, A>&, unordered_map<K, T, H, P, A>&);
+    template <class K, class T, class H, class P, class A>
+    inline bool operator==(
+      unordered_map<K, T, H, P, A> const&, unordered_map<K, T, H, P, A> const&);
+    template <class K, class T, class H, class P, class A>
+    inline bool operator!=(
+      unordered_map<K, T, H, P, A> const&, unordered_map<K, T, H, P, A> const&);
+    template <class K, class T, class H, class P, class A>
+    inline void swap(
+      unordered_map<K, T, H, P, A>& m1, unordered_map<K, T, H, P, A>& m2)
+      BOOST_NOEXCEPT_IF(BOOST_NOEXCEPT_EXPR(m1.swap(m2)));
 
-template <class K, class T, class H = boost::hash<K>,
-    class P = std::equal_to<K>,
-    class A = std::allocator<std::pair<const K, T> > >
-class unordered_multimap;
+    template <class K, class T, class H = boost::hash<K>,
+      class P = std::equal_to<K>,
+      class A = std::allocator<std::pair<const K, T> > >
+    class unordered_multimap;
 
-template <class K, class T, class H, class P, class A>
-inline bool operator==(unordered_multimap<K, T, H, P, A> const&,
-    unordered_multimap<K, T, H, P, A> const&);
-template <class K, class T, class H, class P, class A>
-inline bool operator!=(unordered_multimap<K, T, H, P, A> const&,
-    unordered_multimap<K, T, H, P, A> const&);
-template <class K, class T, class H, class P, class A>
-inline void swap(
-    unordered_multimap<K, T, H, P, A>&, unordered_multimap<K, T, H, P, A>&);
+    template <class K, class T, class H, class P, class A>
+    inline bool operator==(unordered_multimap<K, T, H, P, A> const&,
+      unordered_multimap<K, T, H, P, A> const&);
+    template <class K, class T, class H, class P, class A>
+    inline bool operator!=(unordered_multimap<K, T, H, P, A> const&,
+      unordered_multimap<K, T, H, P, A> const&);
+    template <class K, class T, class H, class P, class A>
+    inline void swap(unordered_multimap<K, T, H, P, A>& m1,
+      unordered_multimap<K, T, H, P, A>& m2)
+      BOOST_NOEXCEPT_IF(BOOST_NOEXCEPT_EXPR(m1.swap(m2)));
 
-template <class N, class K, class T, class A> class node_handle_map;
-template <class N, class K, class T, class A> struct insert_return_type_map;
-}
+    template <class N, class K, class T, class A> class node_handle_map;
+    template <class N, class K, class T, class A> struct insert_return_type_map;
+  }
 
-using boost::unordered::unordered_map;
-using boost::unordered::unordered_multimap;
-using boost::unordered::swap;
-using boost::unordered::operator==;
-using boost::unordered::operator!=;
+  using boost::unordered::unordered_map;
+  using boost::unordered::unordered_multimap;
+  using boost::unordered::swap;
+  using boost::unordered::operator==;
+  using boost::unordered::operator!=;
 }
 
 #endif

include/boost/unordered/unordered_set_fwd.hpp

@@ -17,43 +17,46 @@
 #include <memory>
 
 namespace boost {
-namespace unordered {
-template <class T, class H = boost::hash<T>, class P = std::equal_to<T>,
-    class A = std::allocator<T> >
-class unordered_set;
+  namespace unordered {
+    template <class T, class H = boost::hash<T>, class P = std::equal_to<T>,
+      class A = std::allocator<T> >
+    class unordered_set;
 
-template <class T, class H, class P, class A>
-inline bool operator==(
-    unordered_set<T, H, P, A> const&, unordered_set<T, H, P, A> const&);
-template <class T, class H, class P, class A>
-inline bool operator!=(
-    unordered_set<T, H, P, A> const&, unordered_set<T, H, P, A> const&);
-template <class T, class H, class P, class A>
-inline void swap(unordered_set<T, H, P, A>& m1, unordered_set<T, H, P, A>& m2);
+    template <class T, class H, class P, class A>
+    inline bool operator==(
+      unordered_set<T, H, P, A> const&, unordered_set<T, H, P, A> const&);
+    template <class T, class H, class P, class A>
+    inline bool operator!=(
+      unordered_set<T, H, P, A> const&, unordered_set<T, H, P, A> const&);
+    template <class T, class H, class P, class A>
+    inline void swap(
+      unordered_set<T, H, P, A>& m1, unordered_set<T, H, P, A>& m2)
+      BOOST_NOEXCEPT_IF(BOOST_NOEXCEPT_EXPR(m1.swap(m2)));
 
-template <class T, class H = boost::hash<T>, class P = std::equal_to<T>,
-    class A = std::allocator<T> >
-class unordered_multiset;
+    template <class T, class H = boost::hash<T>, class P = std::equal_to<T>,
+      class A = std::allocator<T> >
+    class unordered_multiset;
 
-template <class T, class H, class P, class A>
-inline bool operator==(unordered_multiset<T, H, P, A> const&,
-    unordered_multiset<T, H, P, A> const&);
-template <class T, class H, class P, class A>
-inline bool operator!=(unordered_multiset<T, H, P, A> const&,
-    unordered_multiset<T, H, P, A> const&);
-template <class T, class H, class P, class A>
-inline void swap(
-    unordered_multiset<T, H, P, A>& m1, unordered_multiset<T, H, P, A>& m2);
+    template <class T, class H, class P, class A>
+    inline bool operator==(unordered_multiset<T, H, P, A> const&,
+      unordered_multiset<T, H, P, A> const&);
+    template <class T, class H, class P, class A>
+    inline bool operator!=(unordered_multiset<T, H, P, A> const&,
+      unordered_multiset<T, H, P, A> const&);
+    template <class T, class H, class P, class A>
+    inline void swap(
+      unordered_multiset<T, H, P, A>& m1, unordered_multiset<T, H, P, A>& m2)
+      BOOST_NOEXCEPT_IF(BOOST_NOEXCEPT_EXPR(m1.swap(m2)));
 
-template <class N, class T, class A> class node_handle_set;
-template <class N, class T, class A> struct insert_return_type_set;
-}
+    template <class N, class T, class A> class node_handle_set;
+    template <class N, class T, class A> struct insert_return_type_set;
+  }
 
-using boost::unordered::unordered_set;
-using boost::unordered::unordered_multiset;
-using boost::unordered::swap;
-using boost::unordered::operator==;
-using boost::unordered::operator!=;
+  using boost::unordered::unordered_set;
+  using boost::unordered::unordered_multiset;
+  using boost::unordered::swap;
+  using boost::unordered::operator==;
+  using boost::unordered::operator!=;
 }
 
 #endif

meta/explicit-failures-markup.xml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright 2017-2018 Daniel James
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ http://www.boost.org/LICENSE_1_0.txt)
+-->
+<explicit-failures-markup>
+    <!-- unordered -->
+    <library name="unordered">
+      <mark-expected-failures>
+        <test name="unnecessary_copy_tests"/>
+        <toolset name="borland-*"/>
+        <toolset name="sun-*"/>
+        <note author="Daniel James">
+            This tests whether inserting elements creates as few copies as I think
+            is possible. If this fails it just means that the container might be
+            a little inefficient.
+        </note>
+      </mark-expected-failures>
+
+      <mark-expected-failures>
+        <test name="compile_map_unordered_allocator"/>
+        <toolset name="msvc-7.1"/>
+        <note author="Daniel James">
+            This test fail because it's using unordered's internal
+            allocator traits, which doesn't work on Visual C++ 7.1.
+            It normally uses the one from Boost.Container by default.
+        </note>
+      </mark-expected-failures>
+
+      <mark-expected-failures>
+        <test name="noexcept_tests"/>
+        <toolset name="gcc-4.3c+"/>
+        <note author="Daniel James">
+            boost::is_nothrow_move_constructible and
+            boost::is_nothrow_move_assignable don't seem to work on this
+            compiler. I'd hope that anyone wanting noexcept support would
+            use a more recent compiler anyway.
+        </note>
+      </mark-expected-failures>
+      </library>
+</explicit-failures-markup>
+

test/Jamfile.v2

@@ -15,6 +15,7 @@ project unordered-test/unordered
         <toolset>darwin:<cxxflags>"-pedantic -Wstrict-aliasing -fstrict-aliasing -Wextra -Wsign-promo -Wunused-parameter -Wconversion -Wfloat-equal -Wshadow"
         <toolset>clang:<cxxflags>"-pedantic -Wstrict-aliasing -fstrict-aliasing -Wextra -Wsign-promo -Wunused-parameter -Wsign-conversion -Wconversion -Wfloat-equal -Wshadow"
         <toolset>msvc:<cxxflags>"/wd4494"
+        <toolset>gcc:<c++-template-depth>500
     ;
 
 #alias framework : /boost/test//boost_unit_test_framework ;
@@ -45,7 +46,7 @@ test-suite unordered
         [ run unordered/insert_hint_tests.cpp ]
         [ run unordered/emplace_tests.cpp ]
         [ run unordered/unnecessary_copy_tests.cpp ]
-        [ run unordered/erase_tests.cpp ]
+        [ run unordered/erase_tests.cpp : : : <define>BOOST_UNORDERED_SUPPRESS_DEPRECATED ]
         [ run unordered/erase_equiv_tests.cpp ]
         [ run unordered/extract_tests.cpp ]
         [ run unordered/node_handle_tests.cpp ]
@@ -61,6 +62,8 @@ test-suite unordered
         [ run unordered/rehash_tests.cpp ]
         [ run unordered/equality_tests.cpp ]
         [ run unordered/swap_tests.cpp ]
+        [ run unordered/detail_tests.cpp ]
+        [ run unordered/deduction_tests.cpp ]
 
         [ run unordered/compile_set.cpp : :
             : <define>BOOST_UNORDERED_USE_MOVE
@@ -90,4 +93,5 @@ test-suite unordered-exception
         [ run exception/rehash_exception_tests.cpp framework ]
         [ run exception/swap_exception_tests.cpp framework : : :
             <define>BOOST_UNORDERED_SWAP_METHOD=2 ]
+        [ run exception/merge_exception_tests.cpp framework ]
     ;

test/exception/assign_exception_tests.cpp

@@ -7,6 +7,7 @@
 
 #include "../helpers/invariants.hpp"
 #include "../helpers/random_values.hpp"
+#include "../helpers/tracker.hpp"
 
 #if defined(BOOST_MSVC)
 #pragma warning(disable : 4512) // assignment operator could not be generated
@@ -16,16 +17,27 @@ test::seed_t initialize_seed(12847);
 
 template <class T> struct self_assign_base : public test::exception_base
 {
-    test::random_values<T> values;
-    self_assign_base(std::size_t count = 0) : values(count) {}
+  test::random_values<T> values;
+  self_assign_base(std::size_t count = 0) : values(count, test::limited_range)
+  {
+  }
 
-    typedef T data_type;
-    T init() const { return T(values.begin(), values.end()); }
-    void run(T& x) const { x = x; }
-    void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x) const
-    {
-        test::check_equivalent_keys(x);
-    }
+  typedef T data_type;
+  T init() const { return T(values.begin(), values.end()); }
+
+  void run(T& x) const
+  {
+    x = x;
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, values);
+    test::check_equivalent_keys(x);
+  }
+
+  void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x) const
+  {
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct self_assign_test1 : self_assign_base<T>
@@ -34,105 +46,140 @@ template <class T> struct self_assign_test1 : self_assign_base<T>
 
 template <class T> struct self_assign_test2 : self_assign_base<T>
 {
-    self_assign_test2() : self_assign_base<T>(100) {}
+  self_assign_test2() : self_assign_base<T>(100) {}
 };
 
 template <class T> struct assign_base : public test::exception_base
 {
-    test::random_values<T> x_values, y_values;
-    T x, y;
+  test::random_values<T> x_values, y_values;
+  T x, y;
 
-    typedef BOOST_DEDUCED_TYPENAME T::hasher hasher;
-    typedef BOOST_DEDUCED_TYPENAME T::key_equal key_equal;
-    typedef BOOST_DEDUCED_TYPENAME T::allocator_type allocator_type;
+  typedef typename T::hasher hasher;
+  typedef typename T::key_equal key_equal;
+  typedef typename T::allocator_type allocator_type;
 
-    assign_base(int tag1, int tag2, float mlf1 = 1.0, float mlf2 = 1.0)
-        : x_values(), y_values(),
-          x(0, hasher(tag1), key_equal(tag1), allocator_type(tag1)),
-          y(0, hasher(tag2), key_equal(tag2), allocator_type(tag2))
-    {
-        x.max_load_factor(mlf1);
-        y.max_load_factor(mlf2);
-    }
+  assign_base(int tag1, int tag2, float mlf1 = 1.0, float mlf2 = 1.0)
+      : x_values(), y_values(),
+        x(0, hasher(tag1), key_equal(tag1), allocator_type(tag1)),
+        y(0, hasher(tag2), key_equal(tag2), allocator_type(tag2))
+  {
+    x.max_load_factor(mlf1);
+    y.max_load_factor(mlf2);
+  }
 
-    typedef T data_type;
-    T init() const { return T(x); }
-    void run(T& x1) const { x1 = y; }
-    void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x1) const
-    {
-        test::check_equivalent_keys(x1);
+  typedef T data_type;
+  T init() const { return T(x); }
 
-        // If the container is empty at the point of the exception, the
-        // internal structure is hidden, this exposes it, at the cost of
-        // messing up the data.
-        if (x_values.size()) {
-            T& x2 = const_cast<T&>(x1);
-            x2.emplace(*x_values.begin());
-            test::check_equivalent_keys(x2);
-        }
+  void run(T& x1) const
+  {
+    x1 = y;
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x1, y_values);
+    test::check_equivalent_keys(x1);
+  }
+
+  void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x1) const
+  {
+    test::check_equivalent_keys(x1);
+
+    // If the container is empty at the point of the exception, the
+    // internal structure is hidden, this exposes it, at the cost of
+    // messing up the data.
+    if (x_values.size()) {
+      T& x2 = const_cast<T&>(x1);
+      x2.emplace(*x_values.begin());
+      test::check_equivalent_keys(x2);
     }
+  }
 };
 
 template <class T> struct assign_values : assign_base<T>
 {
-    assign_values(unsigned int count1, unsigned int count2, int tag1, int tag2,
-        float mlf1 = 1.0, float mlf2 = 1.0)
-        : assign_base<T>(tag1, tag2, mlf1, mlf2)
-    {
-        this->x_values.fill(count1);
-        this->y_values.fill(count2);
-        this->x.insert(this->x_values.begin(), this->x_values.end());
-        this->y.insert(this->y_values.begin(), this->y_values.end());
-    }
+  assign_values(unsigned int count1, unsigned int count2, int tag1, int tag2,
+    test::random_generator gen = test::default_generator, float mlf1 = 1.0,
+    float mlf2 = 1.0)
+      : assign_base<T>(tag1, tag2, mlf1, mlf2)
+  {
+    this->x_values.fill(count1, gen);
+    this->y_values.fill(count2, gen);
+    this->x.insert(this->x_values.begin(), this->x_values.end());
+    this->y.insert(this->y_values.begin(), this->y_values.end());
+  }
 };
 
 template <class T> struct assign_test1 : assign_values<T>
 {
-    assign_test1() : assign_values<T>(0, 0, 0, 0) {}
+  assign_test1() : assign_values<T>(0, 0, 0, 0) {}
 };
 
 template <class T> struct assign_test2 : assign_values<T>
 {
-    assign_test2() : assign_values<T>(60, 0, 0, 0) {}
+  assign_test2() : assign_values<T>(60, 0, 0, 0) {}
+};
+
+template <class T> struct assign_test2a : assign_values<T>
+{
+  assign_test2a() : assign_values<T>(60, 0, 0, 0, test::limited_range) {}
 };
 
 template <class T> struct assign_test3 : assign_values<T>
 {
-    assign_test3() : assign_values<T>(0, 60, 0, 0) {}
+  assign_test3() : assign_values<T>(0, 60, 0, 0) {}
+};
+
+template <class T> struct assign_test3a : assign_values<T>
+{
+  assign_test3a() : assign_values<T>(0, 60, 0, 0, test::limited_range) {}
 };
 
 template <class T> struct assign_test4 : assign_values<T>
 {
-    assign_test4() : assign_values<T>(10, 10, 1, 2) {}
+  assign_test4() : assign_values<T>(10, 10, 1, 2) {}
 };
 
 template <class T> struct assign_test4a : assign_values<T>
 {
-    assign_test4a() : assign_values<T>(10, 100, 1, 2) {}
+  assign_test4a() : assign_values<T>(10, 100, 1, 2) {}
+};
+
+template <class T> struct assign_test4b : assign_values<T>
+{
+  assign_test4b() : assign_values<T>(10, 100, 1, 2, test::limited_range) {}
 };
 
 template <class T> struct assign_test5 : assign_values<T>
 {
-    assign_test5() : assign_values<T>(5, 60, 0, 0, 1.0f, 0.1f) {}
+  assign_test5()
+      : assign_values<T>(5, 60, 0, 0, test::default_generator, 1.0f, 0.1f)
+  {
+  }
 };
 
 template <class T> struct equivalent_test1 : assign_base<T>
 {
-    equivalent_test1() : assign_base<T>(0, 0)
-    {
-        test::random_values<T> x_values2(10);
-        this->x_values.insert(x_values2.begin(), x_values2.end());
-        this->x_values.insert(x_values2.begin(), x_values2.end());
-        test::random_values<T> y_values2(10);
-        this->y_values.insert(y_values2.begin(), y_values2.end());
-        this->y_values.insert(y_values2.begin(), y_values2.end());
-        this->x.insert(this->x_values.begin(), this->x_values.end());
-        this->y.insert(this->y_values.begin(), this->y_values.end());
-    }
+  equivalent_test1() : assign_base<T>(0, 0)
+  {
+    test::random_values<T> x_values2(10);
+    this->x_values.insert(x_values2.begin(), x_values2.end());
+    this->x_values.insert(x_values2.begin(), x_values2.end());
+    test::random_values<T> y_values2(10);
+    this->y_values.insert(y_values2.begin(), y_values2.end());
+    this->y_values.insert(y_values2.begin(), y_values2.end());
+    this->x.insert(this->x_values.begin(), this->x_values.end());
+    this->y.insert(this->y_values.begin(), this->y_values.end());
+  }
 };
 
-EXCEPTION_TESTS((self_assign_test1)(self_assign_test2)(assign_test1)(
-                    assign_test2)(assign_test3)(assign_test4)(assign_test4a)(
-                    assign_test5)(equivalent_test1),
+// clang-format off
+EXCEPTION_TESTS_REPEAT(5,
+    (self_assign_test1)(self_assign_test2)
+    (assign_test1)(assign_test2)(assign_test2a)
+    (assign_test3)(assign_test3a)
+    (assign_test4)(assign_test4a)(assign_test4b)
+    (assign_test5)
+    (equivalent_test1),
     CONTAINER_SEQ)
+// clang-format on
+
 RUN_TESTS()

test/exception/constructor_exception_tests.cpp

@@ -6,7 +6,9 @@
 #include "./containers.hpp"
 
 #include "../helpers/input_iterator.hpp"
+#include "../helpers/invariants.hpp"
 #include "../helpers/random_values.hpp"
+#include "../helpers/tracker.hpp"
 
 template <typename T> inline void avoid_unused_warning(T const&) {}
 
@@ -14,157 +16,197 @@ test::seed_t initialize_seed(91274);
 
 struct objects
 {
-    test::exception::object obj;
-    test::exception::hash hash;
-    test::exception::equal_to equal_to;
-    test::exception::allocator<test::exception::object> allocator;
+  test::exception::object obj;
+  test::exception::hash hash;
+  test::exception::equal_to equal_to;
+  test::exception::allocator<test::exception::object> allocator;
 };
 
 template <class T> struct construct_test1 : public objects, test::exception_base
 {
-    void run() const
-    {
-        T x;
-        avoid_unused_warning(x);
-    }
+  void run() const
+  {
+    T x;
+
+    DISABLE_EXCEPTIONS;
+    BOOST_TEST(x.empty());
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct construct_test2 : public objects, test::exception_base
 {
-    void run() const
-    {
-        T x(300);
-        avoid_unused_warning(x);
-    }
+  void run() const
+  {
+    T x(300);
+
+    DISABLE_EXCEPTIONS;
+    BOOST_TEST(x.empty());
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct construct_test3 : public objects, test::exception_base
 {
-    void run() const
-    {
-        T x(0, hash);
-        avoid_unused_warning(x);
-    }
+  void run() const
+  {
+    T x(0, hash);
+
+    DISABLE_EXCEPTIONS;
+    BOOST_TEST(x.empty());
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct construct_test4 : public objects, test::exception_base
 {
-    void run() const
-    {
-        T x(0, hash, equal_to);
-        avoid_unused_warning(x);
-    }
+  void run() const
+  {
+    T x(0, hash, equal_to);
+
+    DISABLE_EXCEPTIONS;
+    BOOST_TEST(x.empty());
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct construct_test5 : public objects, test::exception_base
 {
-    void run() const
-    {
-        T x(50, hash, equal_to, allocator);
-        avoid_unused_warning(x);
-    }
+  void run() const
+  {
+    T x(50, hash, equal_to, allocator);
+
+    DISABLE_EXCEPTIONS;
+    BOOST_TEST(x.empty());
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct construct_test6 : public objects, test::exception_base
 {
-    void run() const
-    {
-        T x(allocator);
-        avoid_unused_warning(x);
-    }
+  void run() const
+  {
+    T x(allocator);
+
+    DISABLE_EXCEPTIONS;
+    BOOST_TEST(x.empty());
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct range : public test::exception_base
 {
-    test::random_values<T> values;
+  test::random_values<T> values;
 
-    range() : values(5) {}
-    range(unsigned int count) : values(count) {}
+  range() : values(5, test::limited_range) {}
+  range(unsigned int count) : values(count, test::limited_range) {}
 };
 
 template <class T> struct range_construct_test1 : public range<T>, objects
 {
-    void run() const
-    {
-        T x(this->values.begin(), this->values.end());
-        avoid_unused_warning(x);
-    }
+  void run() const
+  {
+    T x(this->values.begin(), this->values.end());
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, this->values);
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct range_construct_test2 : public range<T>, objects
 {
-    void run() const
-    {
-        T x(this->values.begin(), this->values.end(), 0);
-        avoid_unused_warning(x);
-    }
+  void run() const
+  {
+    T x(this->values.begin(), this->values.end(), 0);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, this->values);
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct range_construct_test3 : public range<T>, objects
 {
-    void run() const
-    {
-        T x(this->values.begin(), this->values.end(), 0, hash);
-        avoid_unused_warning(x);
-    }
+  void run() const
+  {
+    T x(this->values.begin(), this->values.end(), 0, hash);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, this->values);
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct range_construct_test4 : public range<T>, objects
 {
-    void run() const
-    {
-        T x(this->values.begin(), this->values.end(), 100, hash, equal_to);
-        avoid_unused_warning(x);
-    }
+  void run() const
+  {
+    T x(this->values.begin(), this->values.end(), 100, hash, equal_to);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, this->values);
+    test::check_equivalent_keys(x);
+  }
 };
 
 // Need to run at least one test with a fairly large number
 // of objects in case it triggers a rehash.
 template <class T> struct range_construct_test5 : public range<T>, objects
 {
-    range_construct_test5() : range<T>(60) {}
+  range_construct_test5() : range<T>(60) {}
 
-    void run() const
-    {
-        T x(this->values.begin(), this->values.end(), 0, hash, equal_to,
-            allocator);
-        avoid_unused_warning(x);
-    }
+  void run() const
+  {
+    T x(this->values.begin(), this->values.end(), 0, hash, equal_to, allocator);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, this->values);
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct input_range_construct_test : public range<T>, objects
 {
-    input_range_construct_test() : range<T>(60) {}
+  input_range_construct_test() : range<T>(60) {}
 
-    void run() const
-    {
-        BOOST_DEDUCED_TYPENAME test::random_values<T>::const_iterator
-            begin = this->values.begin(),
-            end = this->values.end();
-        T x(test::input_iterator(begin), test::input_iterator(end), 0, hash,
-            equal_to, allocator);
-        avoid_unused_warning(x);
-    }
+  void run() const
+  {
+    typename test::random_values<T>::const_iterator begin =
+                                                      this->values.begin(),
+                                                    end = this->values.end();
+    T x(test::input_iterator(begin), test::input_iterator(end), 0, hash,
+      equal_to, allocator);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, this->values);
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct copy_range_construct_test : public range<T>, objects
 {
-    copy_range_construct_test() : range<T>(60) {}
+  copy_range_construct_test() : range<T>(60) {}
 
-    void run() const
-    {
-        T x(test::copy_iterator(this->values.begin()),
-            test::copy_iterator(this->values.end()), 0, hash, equal_to,
-            allocator);
-        avoid_unused_warning(x);
-    }
+  void run() const
+  {
+    T x(test::copy_iterator(this->values.begin()),
+      test::copy_iterator(this->values.end()), 0, hash, equal_to, allocator);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, this->values);
+    test::check_equivalent_keys(x);
+  }
 };
 
+// clang-format off
 EXCEPTION_TESTS(
-    (construct_test1)(construct_test2)(construct_test3)(construct_test4)(
-        construct_test5)(construct_test6)(range_construct_test1)(
-        range_construct_test2)(range_construct_test3)(range_construct_test4)(
-        range_construct_test5)(input_range_construct_test)(
-        copy_range_construct_test),
-    CONTAINER_SEQ)
+  (construct_test1)(construct_test2)(construct_test3)(construct_test4)
+  (construct_test5)(construct_test6)(range_construct_test1)
+  (range_construct_test2)(range_construct_test3)(range_construct_test4)
+  (range_construct_test5)(input_range_construct_test)
+  (copy_range_construct_test),
+  CONTAINER_SEQ)
+// clang-format on
+
 RUN_TESTS()

test/exception/containers.hpp

@@ -13,32 +13,32 @@
 #include "../objects/exception.hpp"
 
 typedef boost::unordered_set<test::exception::object, test::exception::hash,
-    test::exception::equal_to,
-    test::exception::allocator<test::exception::object> >
-    test_set;
+  test::exception::equal_to,
+  test::exception::allocator<test::exception::object> >
+  test_set;
 typedef boost::unordered_multiset<test::exception::object,
-    test::exception::hash, test::exception::equal_to,
-    test::exception::allocator2<test::exception::object> >
-    test_multiset;
+  test::exception::hash, test::exception::equal_to,
+  test::exception::allocator2<test::exception::object> >
+  test_multiset;
 typedef boost::unordered_map<test::exception::object, test::exception::object,
-    test::exception::hash, test::exception::equal_to,
-    test::exception::allocator2<test::exception::object> >
-    test_map;
+  test::exception::hash, test::exception::equal_to,
+  test::exception::allocator2<test::exception::object> >
+  test_map;
 typedef boost::unordered_multimap<test::exception::object,
-    test::exception::object, test::exception::hash, test::exception::equal_to,
-    test::exception::allocator<test::exception::object> >
-    test_multimap;
+  test::exception::object, test::exception::hash, test::exception::equal_to,
+  test::exception::allocator<test::exception::object> >
+  test_multimap;
 typedef boost::unordered_set<
-    std::pair<test::exception::object, test::exception::object>,
-    test::exception::hash, test::exception::equal_to,
-    test::exception::allocator<test::exception::object> >
-    test_pair_set;
+  std::pair<test::exception::object, test::exception::object>,
+  test::exception::hash, test::exception::equal_to,
+  test::exception::allocator<test::exception::object> >
+  test_pair_set;
 typedef boost::unordered_multiset<
-    std::pair<test::exception::object, test::exception::object>,
-    test::exception::hash, test::exception::equal_to,
-    test::exception::allocator2<test::exception::object> >
-    test_pair_multiset;
+  std::pair<test::exception::object, test::exception::object>,
+  test::exception::hash, test::exception::equal_to,
+  test::exception::allocator2<test::exception::object> >
+  test_pair_multiset;
 
 #define CONTAINER_SEQ (test_set)(test_multiset)(test_map)(test_multimap)
 #define CONTAINER_PAIR_SEQ                                                     \
-    (test_pair_set)(test_pair_multiset)(test_map)(test_multimap)
+  (test_pair_set)(test_pair_multiset)(test_map)(test_multimap)

test/exception/copy_exception_tests.cpp

@@ -5,7 +5,9 @@
 
 #include "./containers.hpp"
 
+#include "../helpers/invariants.hpp"
 #include "../helpers/random_values.hpp"
+#include "../helpers/tracker.hpp"
 
 template <typename T> inline void avoid_unused_warning(T const&) {}
 
@@ -13,58 +15,96 @@ test::seed_t initialize_seed(73041);
 
 template <class T> struct copy_test1 : public test::exception_base
 {
-    T x;
+  T x;
 
-    void run() const
-    {
-        T y(x);
-        avoid_unused_warning(y);
-    }
+  void run() const
+  {
+    T y(x);
+
+    DISABLE_EXCEPTIONS;
+    BOOST_TEST(y.empty());
+    test::check_equivalent_keys(y);
+  }
 };
 
 template <class T> struct copy_test2 : public test::exception_base
 {
-    test::random_values<T> values;
-    T x;
+  test::random_values<T> values;
+  T x;
 
-    copy_test2() : values(5), x(values.begin(), values.end()) {}
+  copy_test2() : values(5, test::limited_range), x(values.begin(), values.end())
+  {
+  }
 
-    void run() const
-    {
-        T y(x);
-        avoid_unused_warning(y);
-    }
+  void run() const
+  {
+    T y(x);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(y, this->values);
+    test::check_equivalent_keys(y);
+  }
 };
 
 template <class T> struct copy_test3 : public test::exception_base
 {
-    test::random_values<T> values;
-    T x;
+  test::random_values<T> values;
+  T x;
 
-    copy_test3() : values(100), x(values.begin(), values.end()) {}
+  copy_test3() : values(100), x(values.begin(), values.end()) {}
 
-    void run() const
-    {
-        T y(x);
-        avoid_unused_warning(y);
-    }
+  void run() const
+  {
+    T y(x);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(y, this->values);
+    test::check_equivalent_keys(y);
+  }
+};
+
+template <class T> struct copy_test3a : public test::exception_base
+{
+  test::random_values<T> values;
+  T x;
+
+  copy_test3a()
+      : values(100, test::limited_range), x(values.begin(), values.end())
+  {
+  }
+
+  void run() const
+  {
+    T y(x);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(y, this->values);
+    test::check_equivalent_keys(y);
+  }
 };
 
 template <class T> struct copy_with_allocator_test : public test::exception_base
 {
-    test::random_values<T> values;
-    T x;
-    test::exception::allocator<test::exception::object> allocator;
+  test::random_values<T> values;
+  T x;
+  test::exception::allocator<test::exception::object> allocator;
 
-    copy_with_allocator_test() : values(100), x(values.begin(), values.end()) {}
+  copy_with_allocator_test() : values(100), x(values.begin(), values.end()) {}
 
-    void run() const
-    {
-        T y(x, allocator);
-        avoid_unused_warning(y);
-    }
+  void run() const
+  {
+    T y(x, allocator);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(y, this->values);
+    test::check_equivalent_keys(y);
+  }
 };
 
-EXCEPTION_TESTS((copy_test1)(copy_test2)(copy_test3)(copy_with_allocator_test),
+// clang-format off
+EXCEPTION_TESTS(
+    (copy_test1)(copy_test2)(copy_test3)(copy_test3a)(copy_with_allocator_test),
     CONTAINER_SEQ)
+// clang-format on
+
 RUN_TESTS()

test/exception/erase_exception_tests.cpp

@@ -13,37 +13,42 @@ test::seed_t initialize_seed(835193);
 
 template <class T> struct erase_test_base : public test::exception_base
 {
-    test::random_values<T> values;
-    erase_test_base(unsigned int count = 5) : values(count) {}
+  test::random_values<T> values;
+  erase_test_base(unsigned int count = 5) : values(count, test::limited_range)
+  {
+  }
 
-    typedef T data_type;
+  typedef T data_type;
 
-    data_type init() const { return T(values.begin(), values.end()); }
+  data_type init() const { return T(values.begin(), values.end()); }
 
-    void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x) const
-    {
-        std::string scope(test::scope);
+  void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x) const
+  {
+    std::string scope(test::scope);
 
-        BOOST_TEST(scope.find("hash::") != std::string::npos ||
-                   scope.find("equal_to::") != std::string::npos ||
-                   scope == "operator==(object, object)");
+    BOOST_TEST(scope.find("hash::") != std::string::npos ||
+               scope.find("equal_to::") != std::string::npos ||
+               scope == "operator==(object, object)");
 
-        test::check_equivalent_keys(x);
-    }
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct erase_by_key_test1 : public erase_test_base<T>
 {
-    void run(T& x) const
-    {
-        typedef BOOST_DEDUCED_TYPENAME test::random_values<T>::const_iterator
-            iterator;
+  void run(T& x) const
+  {
+    typedef typename test::random_values<T>::const_iterator iterator;
 
-        for (iterator it = this->values.begin(), end = this->values.end();
-             it != end; ++it) {
-            x.erase(test::get_key<T>(*it));
-        }
+    for (iterator it = this->values.begin(), end = this->values.end();
+         it != end; ++it) {
+      x.erase(test::get_key<T>(*it));
     }
+
+    DISABLE_EXCEPTIONS;
+    BOOST_TEST(x.empty());
+    test::check_equivalent_keys(x);
+  }
 };
 
 EXCEPTION_TESTS((erase_by_key_test1), CONTAINER_SEQ)

test/exception/insert_exception_tests.cpp

@@ -2,306 +2,415 @@
 // Copyright 2006-2009 Daniel James.
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-
 #include "./containers.hpp"
 
 #include "../helpers/helpers.hpp"
 #include "../helpers/invariants.hpp"
 #include "../helpers/random_values.hpp"
 #include "../helpers/strong.hpp"
+#include "../helpers/tracker.hpp"
 #include <cmath>
 #include <string>
 
 test::seed_t initialize_seed(747373);
 
-template <class T> struct insert_test_base : public test::exception_base
+// Fill in a container so that it's about to rehash
+template <typename T> void rehash_prep(T& x)
 {
-    test::random_values<T> values;
-    insert_test_base(unsigned int count = 5)
-        : values(count, test::limited_range)
-    {
+  using namespace std;
+  typedef typename T::size_type size_type;
+
+  x.max_load_factor(0.25);
+  size_type bucket_count = x.bucket_count();
+  size_type initial_elements = static_cast<size_type>(
+    ceil((double)bucket_count * (double)x.max_load_factor()) - 1);
+  test::random_values<T> v(initial_elements);
+  x.insert(v.begin(), v.end());
+  BOOST_TEST(bucket_count == x.bucket_count());
+}
+
+// Overload to generate inserters that need type information.
+
+template <typename Inserter, typename T>
+Inserter generate(Inserter inserter, T&)
+{
+  return inserter;
+}
+
+// Get the iterator returned from an insert/emplace.
+
+template <typename T> T get_iterator(T const& x) { return x; }
+
+template <typename T> T get_iterator(std::pair<T, bool> const& x)
+{
+  return x.first;
+}
+
+// Generic insert exception test for typical single element inserts..
+
+template <typename T, typename Inserter, typename Values>
+void insert_exception_test_impl(T x, Inserter insert, Values const& v)
+{
+  test::strong<T> strong;
+
+  test::ordered<T> tracker;
+  tracker.insert(x.begin(), x.end());
+
+  try {
+    ENABLE_EXCEPTIONS;
+
+    for (typename Values::const_iterator it = v.begin(); it != v.end(); ++it) {
+      strong.store(x, test::detail::tracker.count_allocations);
+      insert(x, it);
     }
+  } catch (...) {
+    test::check_equivalent_keys(x);
+    insert.exception_check(x, strong);
+    throw;
+  }
 
-    typedef T data_type;
-    typedef test::strong<T> strong_type;
+  test::check_equivalent_keys(x);
+  insert.track(tracker, v.begin(), v.end());
+  tracker.compare(x);
+}
 
-    data_type init() const { return T(); }
+// Simple insert exception test
 
-    void check BOOST_PREVENT_MACRO_SUBSTITUTION(
-        T const& x, strong_type const& strong) const
-    {
-        std::string scope(test::scope);
+template <typename T, typename Inserter>
+void insert_exception_test(T*, Inserter insert, test::random_generator gen)
+{
+  for (int i = 0; i < 5; ++i) {
+    test::random_values<T> v(10, gen);
+    T x;
 
-        if (scope.find("hash::operator()") == std::string::npos)
-            strong.test(x, test::detail::tracker.count_allocations);
-        test::check_equivalent_keys(x);
-    }
+    EXCEPTION_LOOP(insert_exception_test_impl(x, generate(insert, x), v));
+  }
+}
+
+// Insert into a container which is about to hit its max load, so that it
+// rehashes.
+
+template <typename T, typename Inserter>
+void insert_rehash_exception_test(
+  T*, Inserter insert, test::random_generator gen)
+{
+  for (int i = 0; i < 5; ++i) {
+    T x;
+    rehash_prep(x);
+
+    test::random_values<T> v2(5, gen);
+    EXCEPTION_LOOP(insert_exception_test_impl(x, generate(insert, x), v2));
+  }
+}
+
+// Various methods for inserting a single element
+
+struct inserter_base
+{
+  template <typename T> void exception_check(T& x, test::strong<T>& strong)
+  {
+    std::string scope(test::scope);
+
+    if (scope.find("hash::operator()") == std::string::npos)
+      strong.test(x, test::detail::tracker.count_allocations);
+  }
+
+  template <typename T, typename Iterator>
+  void track(T& tracker, Iterator begin, Iterator end)
+  {
+    tracker.insert(begin, end);
+  }
 };
 
-#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) &&                              \
-    !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
-
-template <class T> struct emplace_test1 : public insert_test_base<T>
+struct insert_lvalue_type : inserter_base
 {
-    typedef BOOST_DEDUCED_TYPENAME insert_test_base<T>::strong_type strong_type;
+  template <typename T, typename Iterator> void operator()(T& x, Iterator it)
+  {
+    x.insert(*it);
+  }
+} insert_lvalue;
 
-    void run(T& x, strong_type& strong) const
-    {
-        for (BOOST_DEDUCED_TYPENAME test::random_values<T>::const_iterator
-                 it = this->values.begin(),
-                 end = this->values.end();
-             it != end; ++it) {
-            strong.store(x, test::detail::tracker.count_allocations);
-            x.emplace(*it);
-        }
-    }
+struct insert_lvalue_begin_type : inserter_base
+{
+  template <typename T, typename Iterator> void operator()(T& x, Iterator it)
+  {
+    x.insert(x.begin(), *it);
+  }
+} insert_lvalue_begin;
+
+struct insert_lvalue_end_type : inserter_base
+{
+  template <typename T, typename Iterator> void operator()(T& x, Iterator it)
+  {
+    x.insert(x.end(), *it);
+  }
+} insert_lvalue_end;
+
+template <typename T> struct insert_lvalue_pos_type_impl : inserter_base
+{
+  typename T::iterator pos;
+
+  insert_lvalue_pos_type_impl(T& x) : pos(x.begin()) {}
+
+  template <typename Iterator> void operator()(T& x, Iterator it)
+  {
+    pos = get_iterator(x.insert(pos, *it));
+  }
 };
 
-#endif
-
-template <class T> struct insert_test1 : public insert_test_base<T>
+struct insert_lvalue_pos_type
 {
-    typedef BOOST_DEDUCED_TYPENAME insert_test_base<T>::strong_type strong_type;
+  template <typename T>
+  friend insert_lvalue_pos_type_impl<T> generate(insert_lvalue_pos_type, T& x)
+  {
+    return insert_lvalue_pos_type_impl<T>(x);
+  }
+} insert_lvalue_pos;
 
-    void run(T& x, strong_type& strong) const
-    {
-        for (BOOST_DEDUCED_TYPENAME test::random_values<T>::const_iterator
-                 it = this->values.begin(),
-                 end = this->values.end();
-             it != end; ++it) {
-            strong.store(x, test::detail::tracker.count_allocations);
-            x.insert(*it);
-        }
-    }
+struct insert_single_item_range_type : inserter_base
+{
+  template <typename T, typename Iterator> void operator()(T& x, Iterator it)
+  {
+    x.insert(it, test::next(it));
+  }
+} insert_single_item_range;
+
+struct emplace_lvalue_type : inserter_base
+{
+  template <typename T, typename Iterator> void operator()(T& x, Iterator it)
+  {
+    x.emplace(*it);
+  }
+} emplace_lvalue;
+
+struct emplace_lvalue_begin_type : inserter_base
+{
+  template <typename T, typename Iterator> void operator()(T& x, Iterator it)
+  {
+    x.emplace_hint(x.begin(), *it);
+  }
+} emplace_lvalue_begin;
+
+struct emplace_lvalue_end_type : inserter_base
+{
+  template <typename T, typename Iterator> void operator()(T& x, Iterator it)
+  {
+    x.emplace_hint(x.end(), *it);
+  }
+} emplace_lvalue_end;
+
+template <typename T> struct emplace_lvalue_pos_type_impl : inserter_base
+{
+  typename T::iterator pos;
+
+  emplace_lvalue_pos_type_impl(T& x) : pos(x.begin()) {}
+
+  template <typename Iterator> void operator()(T& x, Iterator it)
+  {
+    pos = get_iterator(x.emplace_hint(pos, *it));
+  }
 };
 
-template <class T> struct insert_test2 : public insert_test_base<T>
+struct emplace_lvalue_pos_type
 {
-    typedef BOOST_DEDUCED_TYPENAME insert_test_base<T>::strong_type strong_type;
+  template <typename T>
+  friend emplace_lvalue_pos_type_impl<T> generate(emplace_lvalue_pos_type, T& x)
+  {
+    return emplace_lvalue_pos_type_impl<T>(x);
+  }
+} emplace_lvalue_pos;
 
-    void run(T& x, strong_type& strong) const
-    {
-        for (BOOST_DEDUCED_TYPENAME test::random_values<T>::const_iterator
-                 it = this->values.begin(),
-                 end = this->values.end();
-             it != end; ++it) {
-            strong.store(x, test::detail::tracker.count_allocations);
-            x.insert(x.begin(), *it);
-        }
+// Run the exception tests in various combinations.
+
+test_set* test_set_;
+test_multiset* test_multiset_;
+test_map* test_map_;
+test_multimap* test_multimap_;
+
+using test::default_generator;
+using test::limited_range;
+using test::generate_collisions;
+
+// clang-format off
+UNORDERED_TEST(insert_exception_test,
+    ((test_set_)(test_multiset_)(test_map_)(test_multimap_))
+    ((insert_lvalue)(insert_lvalue_begin)(insert_lvalue_end)
+     (insert_lvalue_pos)(insert_single_item_range)
+     (emplace_lvalue)(emplace_lvalue_begin)(emplace_lvalue_end)
+     (emplace_lvalue_pos)
+    )
+    ((default_generator)(limited_range)(generate_collisions))
+)
+
+UNORDERED_TEST(insert_rehash_exception_test,
+    ((test_set_)(test_multiset_)(test_map_)(test_multimap_))
+    ((insert_lvalue)(insert_lvalue_begin)(insert_lvalue_end)
+     (insert_lvalue_pos)(insert_single_item_range)
+     (emplace_lvalue)(emplace_lvalue_begin)(emplace_lvalue_end)
+     (emplace_lvalue_pos)
+    )
+    ((default_generator)(limited_range)(generate_collisions))
+)
+// clang-format on
+
+// Repeat insert tests with pairs
+
+struct pair_emplace_type : inserter_base
+{
+  template <typename T, typename Iterator> void operator()(T& x, Iterator it)
+  {
+    x.emplace(boost::unordered::piecewise_construct,
+      boost::make_tuple(it->first), boost::make_tuple(it->second));
+  }
+} pair_emplace;
+
+struct pair_emplace2_type : inserter_base
+{
+  template <typename T, typename Iterator> void operator()(T& x, Iterator it)
+  {
+    x.emplace_hint(x.begin(), boost::unordered::piecewise_construct,
+      boost::make_tuple(it->first),
+      boost::make_tuple(it->second.tag1_, it->second.tag2_));
+  }
+} pair_emplace2;
+
+test_pair_set* test_pair_set_;
+test_pair_multiset* test_pair_multiset_;
+
+// clang-format off
+UNORDERED_TEST(insert_exception_test,
+    ((test_pair_set_)(test_pair_multiset_)(test_map_)(test_multimap_))
+    ((pair_emplace)(pair_emplace2))
+    ((default_generator)(limited_range)(generate_collisions))
+)
+UNORDERED_TEST(insert_rehash_exception_test,
+    ((test_pair_set_)(test_pair_multiset_)(test_map_)(test_multimap_))
+    ((pair_emplace)(pair_emplace2))
+    ((default_generator)(limited_range)(generate_collisions))
+)
+// clang-format on
+
+// Test inserting using operator[]
+
+struct try_emplace_type : inserter_base
+{
+  template <typename T, typename Iterator> void operator()(T& x, Iterator it)
+  {
+    x.try_emplace(it->first, it->second);
+  }
+} try_emplace;
+
+struct try_emplace2_type : inserter_base
+{
+  template <typename T, typename Iterator> void operator()(T& x, Iterator it)
+  {
+    x.try_emplace(it->first, it->second.tag1_, it->second.tag2_);
+  }
+} try_emplace2;
+
+struct map_inserter_base
+{
+  template <typename T> void exception_check(T& x, test::strong<T>& strong)
+  {
+    std::string scope(test::scope);
+
+    if (scope.find("hash::operator()") == std::string::npos &&
+        scope.find("::operator=") == std::string::npos)
+      strong.test(x, test::detail::tracker.count_allocations);
+  }
+
+  template <typename T, typename Iterator>
+  void track(T& tracker, Iterator begin, Iterator end)
+  {
+    for (; begin != end; ++begin) {
+      tracker[begin->first] = begin->second;
     }
+  }
 };
 
-template <class T> struct insert_test3 : public insert_test_base<T>
+struct map_insert_operator_type : map_inserter_base
 {
-    void run(T& x) const { x.insert(this->values.begin(), this->values.end()); }
+  template <typename T, typename Iterator> void operator()(T& x, Iterator it)
+  {
+    x[it->first] = it->second;
+  }
+} map_insert_operator;
 
-    void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x) const
-    {
-        test::check_equivalent_keys(x);
-    }
-};
-
-template <class T> struct insert_test4 : public insert_test_base<T>
+struct map_insert_or_assign_type : map_inserter_base
 {
-    typedef BOOST_DEDUCED_TYPENAME insert_test_base<T>::strong_type strong_type;
+  template <typename T, typename Iterator> void operator()(T& x, Iterator it)
+  {
+    x.insert_or_assign(it->first, it->second);
+  }
+} map_insert_or_assign;
 
-    void run(T& x, strong_type& strong) const
-    {
-        for (BOOST_DEDUCED_TYPENAME test::random_values<T>::const_iterator
-                 it = this->values.begin(),
-                 end = this->values.end();
-             it != end; ++it) {
-            strong.store(x, test::detail::tracker.count_allocations);
-            x.insert(it, test::next(it));
-        }
-    }
-};
+// clang-format off
+UNORDERED_TEST(insert_exception_test,
+    ((test_map_))
+    ((try_emplace)(try_emplace2)(map_insert_operator)(map_insert_or_assign))
+    ((default_generator)(limited_range)(generate_collisions))
+)
+UNORDERED_TEST(insert_rehash_exception_test,
+    ((test_map_))
+    ((try_emplace)(try_emplace2)(map_insert_operator)(map_insert_or_assign))
+    ((default_generator)(limited_range)(generate_collisions))
+)
+// clang-format on
 
-template <class T> struct insert_test_rehash1 : public insert_test_base<T>
+// Range insert tests
+
+template <typename T, typename Values>
+void insert_range_exception_test_impl(T x, Values const& v)
 {
-    typedef BOOST_DEDUCED_TYPENAME insert_test_base<T>::strong_type strong_type;
+  test::ordered<T> tracker;
+  tracker.insert(x.begin(), x.end());
 
-    insert_test_rehash1() : insert_test_base<T>(1000) {}
+  try {
+    ENABLE_EXCEPTIONS;
+    x.insert(v.begin(), v.end());
+  } catch (...) {
+    test::check_equivalent_keys(x);
+    throw;
+  }
 
-    T init() const
-    {
-        using namespace std;
-        typedef BOOST_DEDUCED_TYPENAME T::size_type size_type;
+  test::check_equivalent_keys(x);
+  tracker.insert(v.begin(), v.end());
+  tracker.compare(x);
+}
 
-        T x;
-        x.max_load_factor(0.25);
-        // TODO: This doesn't really work is bucket_count is 0
-        size_type bucket_count = x.bucket_count();
-        size_type initial_elements = static_cast<size_type>(
-            ceil((double)bucket_count * (double)x.max_load_factor()) - 1);
-        BOOST_TEST(initial_elements < this->values.size());
-        x.insert(this->values.begin(),
-            test::next(this->values.begin(), initial_elements));
-        BOOST_TEST(bucket_count == x.bucket_count());
-        return x;
-    }
-
-    void run(T& x, strong_type& strong) const
-    {
-        BOOST_DEDUCED_TYPENAME T::size_type bucket_count = x.bucket_count();
-        int count = 0;
-        BOOST_DEDUCED_TYPENAME T::const_iterator pos = x.cbegin();
-
-        for (BOOST_DEDUCED_TYPENAME test::random_values<T>::const_iterator
-                 it = test::next(this->values.begin(), x.size()),
-                 end = this->values.end();
-             it != end && count < 10; ++it, ++count) {
-            strong.store(x, test::detail::tracker.count_allocations);
-            pos = x.insert(pos, *it);
-        }
-
-        // This isn't actually a failure, but it means the test isn't doing its
-        // job.
-        BOOST_TEST(x.bucket_count() != bucket_count);
-    }
-};
-
-template <class T> struct insert_test_rehash2 : public insert_test_rehash1<T>
+template <typename T>
+void insert_range_exception_test(T*, test::random_generator gen)
 {
-    typedef BOOST_DEDUCED_TYPENAME insert_test_base<T>::strong_type strong_type;
+  for (int i = 0; i < 5; ++i) {
+    test::random_values<T> v(10, gen);
+    T x;
 
-    void run(T& x, strong_type& strong) const
-    {
-        BOOST_DEDUCED_TYPENAME T::size_type bucket_count = x.bucket_count();
-        int count = 0;
+    EXCEPTION_LOOP(insert_range_exception_test_impl(x, v));
+  }
+}
 
-        for (BOOST_DEDUCED_TYPENAME test::random_values<T>::const_iterator
-                 it = test::next(this->values.begin(), x.size()),
-                 end = this->values.end();
-             it != end && count < 10; ++it, ++count) {
-            strong.store(x, test::detail::tracker.count_allocations);
-            x.insert(*it);
-        }
-
-        // This isn't actually a failure, but it means the test isn't doing its
-        // job.
-        BOOST_TEST(x.bucket_count() != bucket_count);
-    }
-};
-
-template <class T> struct insert_test_rehash3 : public insert_test_base<T>
+template <typename T>
+void insert_range_rehash_exception_test(T*, test::random_generator gen)
 {
-    BOOST_DEDUCED_TYPENAME T::size_type mutable rehash_bucket_count,
-        original_bucket_count;
+  for (int i = 0; i < 5; ++i) {
+    T x;
+    rehash_prep(x);
 
-    insert_test_rehash3() : insert_test_base<T>(1000) {}
+    test::random_values<T> v2(5, gen);
+    EXCEPTION_LOOP(insert_range_exception_test_impl(x, v2));
+  }
+}
 
-    T init() const
-    {
-        using namespace std;
-        typedef BOOST_DEDUCED_TYPENAME T::size_type size_type;
+// clang-format off
+UNORDERED_TEST(insert_range_exception_test,
+    ((test_set_)(test_multiset_)(test_map_)(test_multimap_))
+    ((default_generator)(limited_range)(generate_collisions))
+)
 
-        T x;
-        x.max_load_factor(0.25);
-
-        original_bucket_count = x.bucket_count();
-        rehash_bucket_count =
-            static_cast<size_type>(ceil(
-                (double)original_bucket_count * (double)x.max_load_factor())) -
-            1;
-
-        size_type initial_elements =
-            rehash_bucket_count > 5 ? rehash_bucket_count - 5 : 1;
-
-        BOOST_TEST(initial_elements < this->values.size());
-        x.insert(this->values.begin(),
-            test::next(this->values.begin(), initial_elements));
-        BOOST_TEST(original_bucket_count == x.bucket_count());
-        return x;
-    }
-
-    void run(T& x) const
-    {
-        BOOST_DEDUCED_TYPENAME T::size_type bucket_count = x.bucket_count();
-
-        x.insert(test::next(this->values.begin(), x.size()),
-            test::next(this->values.begin(), x.size() + 20));
-
-        // This isn't actually a failure, but it means the test isn't doing its
-        // job.
-        BOOST_TEST(x.bucket_count() != bucket_count);
-    }
-
-    void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x) const
-    {
-        if (x.size() < rehash_bucket_count) {
-            // BOOST_TEST(x.bucket_count() == original_bucket_count);
-        }
-        test::check_equivalent_keys(x);
-    }
-};
-
-#define BASIC_TESTS                                                            \
-    (insert_test1)(insert_test2)(insert_test3)(insert_test4)(                  \
-        insert_test_rehash1)(insert_test_rehash2)(insert_test_rehash3)
-
-#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) &&                              \
-    !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
-#define ALL_TESTS (emplace_test1) BASIC_TESTS
-#else
-#define ALL_TESTS BASIC_TESTS
-#endif
-
-EXCEPTION_TESTS(ALL_TESTS, CONTAINER_SEQ)
-
-template <class T> struct pair_emplace_test1 : public insert_test_base<T>
-{
-    typedef BOOST_DEDUCED_TYPENAME insert_test_base<T>::strong_type strong_type;
-
-    void run(T& x, strong_type& strong) const
-    {
-        for (BOOST_DEDUCED_TYPENAME test::random_values<T>::const_iterator
-                 it = this->values.begin(),
-                 end = this->values.end();
-             it != end; ++it) {
-            strong.store(x, test::detail::tracker.count_allocations);
-            x.emplace(boost::unordered::piecewise_construct,
-                boost::make_tuple(it->first), boost::make_tuple(it->second));
-        }
-    }
-};
-
-template <class T> struct pair_emplace_test2 : public insert_test_base<T>
-{
-    typedef BOOST_DEDUCED_TYPENAME insert_test_base<T>::strong_type strong_type;
-
-    void run(T& x, strong_type& strong) const
-    {
-        for (BOOST_DEDUCED_TYPENAME test::random_values<T>::const_iterator
-                 it = this->values.begin(),
-                 end = this->values.end();
-             it != end; ++it) {
-            strong.store(x, test::detail::tracker.count_allocations);
-            x.emplace(boost::unordered::piecewise_construct,
-                boost::make_tuple(it->first),
-                boost::make_tuple(it->second.tag1_, it->second.tag2_));
-        }
-    }
-};
-
-EXCEPTION_TESTS((pair_emplace_test1)(pair_emplace_test2), CONTAINER_PAIR_SEQ)
-
-template <class T> struct index_insert_test1 : public insert_test_base<T>
-{
-    typedef BOOST_DEDUCED_TYPENAME insert_test_base<T>::strong_type strong_type;
-
-    void run(T& x, strong_type& strong) const
-    {
-        for (BOOST_DEDUCED_TYPENAME test::random_values<T>::const_iterator
-                 it = this->values.begin(),
-                 end = this->values.end();
-             it != end; ++it) {
-            strong.store(x, test::detail::tracker.count_allocations);
-            x[it->first];
-        }
-    }
-};
-
-EXCEPTION_TESTS((index_insert_test1), (test_map))
+UNORDERED_TEST(insert_range_rehash_exception_test,
+    ((test_set_)(test_multiset_)(test_map_)(test_multimap_))
+    ((default_generator)(limited_range)(generate_collisions))
+)
+// clang-format on
 
 RUN_TESTS()

test/exception/merge_exception_tests.cpp

@@ -0,0 +1,108 @@
+
+// Copyright 2017-2018 Daniel James.
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include "../helpers/exception_test.hpp"
+#include "../helpers/invariants.hpp"
+#include "../helpers/metafunctions.hpp"
+#include "../helpers/random_values.hpp"
+#include "./containers.hpp"
+
+template <typename T1, typename T2> void merge_exception_test(T1 x, T2 y)
+{
+  std::size_t size = x.size() + y.size();
+
+  try {
+    ENABLE_EXCEPTIONS;
+    x.merge(y);
+  } catch (...) {
+    test::check_equivalent_keys(x);
+    test::check_equivalent_keys(y);
+    throw;
+  }
+
+  // Not a full check, just want to make sure the merge completed.
+  BOOST_TEST(size == x.size() + y.size());
+  if (y.size()) {
+    BOOST_TEST(test::has_unique_keys<T1>::value);
+    for (typename T2::iterator it = y.begin(); it != y.end(); ++it) {
+      BOOST_TEST(x.find(test::get_key<T2>(*it)) != x.end());
+    }
+  }
+  test::check_equivalent_keys(x);
+  test::check_equivalent_keys(y);
+}
+
+template <typename T1, typename T2>
+void merge_exception_test(T1 const*, T2 const*, std::size_t count12, int tag12,
+  test::random_generator gen1, test::random_generator gen2)
+{
+  std::size_t count1 = count12 / 256;
+  std::size_t count2 = count12 % 256;
+  int tag1 = tag12 / 256;
+  int tag2 = tag12 % 256;
+  test::random_values<T1> v1(count1, gen1);
+  test::random_values<T2> v2(count2, gen2);
+  T1 x(v1.begin(), v1.end(), 0, test::exception::hash(tag1),
+    test::exception::equal_to(tag1));
+  T2 y(v2.begin(), v2.end(), 0, test::exception::hash(tag2),
+    test::exception::equal_to(tag2));
+
+  EXCEPTION_LOOP(merge_exception_test(x, y))
+}
+
+boost::unordered_set<test::exception::object, test::exception::hash,
+  test::exception::equal_to,
+  test::exception::allocator<test::exception::object> >* test_set_;
+boost::unordered_multiset<test::exception::object, test::exception::hash,
+  test::exception::equal_to,
+  test::exception::allocator<test::exception::object> >* test_multiset_;
+boost::unordered_map<test::exception::object, test::exception::object,
+  test::exception::hash, test::exception::equal_to,
+  test::exception::allocator2<test::exception::object> >* test_map_;
+boost::unordered_multimap<test::exception::object, test::exception::object,
+  test::exception::hash, test::exception::equal_to,
+  test::exception::allocator2<test::exception::object> >* test_multimap_;
+
+using test::default_generator;
+using test::generate_collisions;
+using test::limited_range;
+
+// clang-format off
+UNORDERED_MULTI_TEST(set_merge, merge_exception_test,
+    ((test_set_)(test_multiset_))
+    ((test_set_)(test_multiset_))
+    ((0x0000)(0x6400)(0x0064)(0x0a64)(0x3232))
+    ((0x0000)(0x0001)(0x0102))
+    ((default_generator)(limited_range))
+    ((default_generator)(limited_range))
+)
+UNORDERED_MULTI_TEST(map_merge, merge_exception_test,
+    ((test_map_)(test_multimap_))
+    ((test_map_)(test_multimap_))
+    ((0x0000)(0x6400)(0x0064)(0x0a64)(0x3232))
+    ((0x0101)(0x0200)(0x0201))
+    ((default_generator)(limited_range))
+    ((default_generator)(limited_range))
+)
+// Run fewer generate_collisions tests, as they're slow.
+UNORDERED_MULTI_TEST(set_merge_collisions, merge_exception_test,
+    ((test_set_)(test_multiset_))
+    ((test_set_)(test_multiset_))
+    ((0x0a0a))
+    ((0x0202)(0x0100)(0x0201))
+    ((generate_collisions))
+    ((generate_collisions))
+)
+UNORDERED_MULTI_TEST(map_merge_collisions, merge_exception_test,
+    ((test_map_)(test_multimap_))
+    ((test_map_)(test_multimap_))
+    ((0x0a0a))
+    ((0x0000)(0x0002)(0x0102))
+    ((generate_collisions))
+    ((generate_collisions))
+)
+// clang-format on
+
+RUN_TESTS_QUIET()

test/exception/move_assign_exception_tests.cpp

@@ -7,117 +7,126 @@
 
 #include "../helpers/invariants.hpp"
 #include "../helpers/random_values.hpp"
-#include <iostream>
+#include "../helpers/tracker.hpp"
 
 #if defined(BOOST_MSVC)
 #pragma warning(                                                               \
-    disable : 4512) // move_assignment operator could not be generated
+  disable : 4512) // move_assignment operator could not be generated
 #endif
 
 test::seed_t initialize_seed(12847);
 
 template <class T> struct move_assign_base : public test::exception_base
 {
-    test::random_values<T> x_values, y_values;
-    T x, y;
+  test::random_values<T> x_values, y_values;
+  T x, y;
 
-    typedef BOOST_DEDUCED_TYPENAME T::hasher hasher;
-    typedef BOOST_DEDUCED_TYPENAME T::key_equal key_equal;
-    typedef BOOST_DEDUCED_TYPENAME T::allocator_type allocator_type;
+  typedef typename T::hasher hasher;
+  typedef typename T::key_equal key_equal;
+  typedef typename T::allocator_type allocator_type;
 
-    move_assign_base(int tag1, int tag2, float mlf1 = 1.0, float mlf2 = 1.0)
-        : x_values(), y_values(),
-          x(0, hasher(tag1), key_equal(tag1), allocator_type(tag1)),
-          y(0, hasher(tag2), key_equal(tag2), allocator_type(tag2))
-    {
-        x.max_load_factor(mlf1);
-        y.max_load_factor(mlf2);
-    }
+  move_assign_base(int tag1, int tag2, float mlf1 = 1.0, float mlf2 = 1.0)
+      : x_values(), y_values(),
+        x(0, hasher(tag1), key_equal(tag1), allocator_type(tag1)),
+        y(0, hasher(tag2), key_equal(tag2), allocator_type(tag2))
+  {
+    x.max_load_factor(mlf1);
+    y.max_load_factor(mlf2);
+  }
 
-    typedef T data_type;
-    T init() const { return T(x); }
-    void run(T& x1) const
-    {
-        test::exceptions_enable disable_exceptions(false);
-        T y1 = y;
-        disable_exceptions.release();
-        x1 = boost::move(y1);
-    }
-    void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x1) const
-    {
-        test::check_equivalent_keys(x1);
+  typedef T data_type;
+  T init() const { return T(x); }
+  void run(T& x1) const
+  {
+    test::exceptions_enable disable_exceptions(false);
+    T y1 = y;
+    disable_exceptions.release();
+    x1 = boost::move(y1);
 
-        // If the container is empty at the point of the exception, the
-        // internal structure is hidden, this exposes it, at the cost of
-        // messing up the data.
-        if (x_values.size()) {
-            T& x2 = const_cast<T&>(x1);
-            x2.emplace(*x_values.begin());
-            test::check_equivalent_keys(x2);
-        }
+    DISABLE_EXCEPTIONS;
+    test::check_container(x1, y_values);
+    test::check_equivalent_keys(x1);
+  }
+
+  void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x1) const
+  {
+    test::check_equivalent_keys(x1);
+
+    // If the container is empty at the point of the exception, the
+    // internal structure is hidden, this exposes it, at the cost of
+    // messing up the data.
+    if (x_values.size()) {
+      T& x2 = const_cast<T&>(x1);
+      x2.emplace(*x_values.begin());
+      test::check_equivalent_keys(x2);
     }
+  }
 };
 
 template <class T> struct move_assign_values : move_assign_base<T>
 {
-    move_assign_values(unsigned int count1, unsigned int count2, int tag1,
-        int tag2, float mlf1 = 1.0, float mlf2 = 1.0)
-        : move_assign_base<T>(tag1, tag2, mlf1, mlf2)
-    {
-        this->x_values.fill(count1);
-        this->y_values.fill(count2);
-        this->x.insert(this->x_values.begin(), this->x_values.end());
-        this->y.insert(this->y_values.begin(), this->y_values.end());
-    }
+  move_assign_values(unsigned int count1, unsigned int count2, int tag1,
+    int tag2, float mlf1 = 1.0, float mlf2 = 1.0)
+      : move_assign_base<T>(tag1, tag2, mlf1, mlf2)
+  {
+    this->x_values.fill(count1, test::limited_range);
+    this->y_values.fill(count2, test::limited_range);
+    this->x.insert(this->x_values.begin(), this->x_values.end());
+    this->y.insert(this->y_values.begin(), this->y_values.end());
+  }
 };
 
 template <class T> struct move_assign_test1 : move_assign_values<T>
 {
-    move_assign_test1() : move_assign_values<T>(0, 0, 0, 0) {}
+  move_assign_test1() : move_assign_values<T>(0, 0, 0, 0) {}
 };
 
 template <class T> struct move_assign_test2 : move_assign_values<T>
 {
-    move_assign_test2() : move_assign_values<T>(60, 0, 0, 0) {}
+  move_assign_test2() : move_assign_values<T>(60, 0, 0, 0) {}
 };
 
 template <class T> struct move_assign_test3 : move_assign_values<T>
 {
-    move_assign_test3() : move_assign_values<T>(0, 60, 0, 0) {}
+  move_assign_test3() : move_assign_values<T>(0, 60, 0, 0) {}
 };
 
 template <class T> struct move_assign_test4 : move_assign_values<T>
 {
-    move_assign_test4() : move_assign_values<T>(10, 10, 1, 2) {}
+  move_assign_test4() : move_assign_values<T>(10, 10, 1, 2) {}
 };
 
 template <class T> struct move_assign_test4a : move_assign_values<T>
 {
-    move_assign_test4a() : move_assign_values<T>(10, 100, 1, 2) {}
+  move_assign_test4a() : move_assign_values<T>(10, 100, 1, 2) {}
 };
 
 template <class T> struct move_assign_test5 : move_assign_values<T>
 {
-    move_assign_test5() : move_assign_values<T>(5, 60, 0, 0, 1.0f, 0.1f) {}
+  move_assign_test5() : move_assign_values<T>(5, 60, 0, 0, 1.0f, 0.1f) {}
 };
 
 template <class T> struct equivalent_test1 : move_assign_base<T>
 {
-    equivalent_test1() : move_assign_base<T>(0, 0)
-    {
-        test::random_values<T> x_values2(10);
-        this->x_values.insert(x_values2.begin(), x_values2.end());
-        this->x_values.insert(x_values2.begin(), x_values2.end());
-        test::random_values<T> y_values2(10);
-        this->y_values.insert(y_values2.begin(), y_values2.end());
-        this->y_values.insert(y_values2.begin(), y_values2.end());
-        this->x.insert(this->x_values.begin(), this->x_values.end());
-        this->y.insert(this->y_values.begin(), this->y_values.end());
-    }
+  equivalent_test1() : move_assign_base<T>(0, 0)
+  {
+    test::random_values<T> x_values2(10, test::limited_range);
+    this->x_values.insert(x_values2.begin(), x_values2.end());
+    this->x_values.insert(x_values2.begin(), x_values2.end());
+    test::random_values<T> y_values2(10, test::limited_range);
+    this->y_values.insert(y_values2.begin(), y_values2.end());
+    this->y_values.insert(y_values2.begin(), y_values2.end());
+    this->x.insert(this->x_values.begin(), this->x_values.end());
+    this->y.insert(this->y_values.begin(), this->y_values.end());
+  }
 };
 
-EXCEPTION_TESTS((move_assign_test1)(move_assign_test2)(move_assign_test3)(
-                    move_assign_test4)(move_assign_test4a)(move_assign_test5)(
-                    equivalent_test1),
-    CONTAINER_SEQ)
+// clang-format off
+EXCEPTION_TESTS(
+  (move_assign_test1)(move_assign_test2)(move_assign_test3)
+  (move_assign_test4)(move_assign_test4a)(move_assign_test5)
+  (equivalent_test1),
+  CONTAINER_SEQ)
+// clang-format on
+
 RUN_TESTS()

test/exception/rehash_exception_tests.cpp

@@ -8,75 +8,126 @@
 #include "../helpers/invariants.hpp"
 #include "../helpers/random_values.hpp"
 #include "../helpers/strong.hpp"
+#include "../helpers/tracker.hpp"
 #include <string>
 
-#include <iostream>
-
 test::seed_t initialize_seed(3298597);
 
 template <class T> struct rehash_test_base : public test::exception_base
 {
-    test::random_values<T> values;
-    unsigned int n;
-    rehash_test_base(unsigned int count = 100, unsigned int n_ = 0)
-        : values(count), n(n_)
-    {
-    }
+  test::random_values<T> values;
+  unsigned int n;
+  rehash_test_base(unsigned int count = 100, unsigned int n_ = 0)
+      : values(count, test::limited_range), n(n_)
+  {
+  }
 
-    typedef T data_type;
-    typedef test::strong<T> strong_type;
+  typedef T data_type;
+  typedef test::strong<T> strong_type;
 
-    data_type init() const
-    {
-        T x(values.begin(), values.end(), n);
-        return x;
-    }
+  data_type init() const
+  {
+    T x(values.begin(), values.end(), n);
+    return x;
+  }
 
-    void check BOOST_PREVENT_MACRO_SUBSTITUTION(
-        T const& x, strong_type const& strong) const
-    {
-        std::string scope(test::scope);
+  void check BOOST_PREVENT_MACRO_SUBSTITUTION(
+    T const& x, strong_type const& strong) const
+  {
+    std::string scope(test::scope);
 
-        if (scope.find("hash::operator()") == std::string::npos &&
-            scope.find("equal_to::operator()") == std::string::npos &&
-            scope != "operator==(object, object)")
-            strong.test(x);
+    if (scope.find("hash::operator()") == std::string::npos &&
+        scope.find("equal_to::operator()") == std::string::npos &&
+        scope != "operator==(object, object)")
+      strong.test(x);
 
-        test::check_equivalent_keys(x);
-    }
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct rehash_test0 : rehash_test_base<T>
 {
-    rehash_test0() : rehash_test_base<T>(0) {}
-    void run(T& x) const { x.rehash(0); }
+  rehash_test0() : rehash_test_base<T>(0) {}
+  void run(T& x) const
+  {
+    x.rehash(0);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, this->values);
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct rehash_test1 : rehash_test_base<T>
 {
-    rehash_test1() : rehash_test_base<T>(0) {}
-    void run(T& x) const { x.rehash(200); }
+  rehash_test1() : rehash_test_base<T>(0) {}
+  void run(T& x) const
+  {
+    x.rehash(200);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, this->values);
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct rehash_test2 : rehash_test_base<T>
 {
-    rehash_test2() : rehash_test_base<T>(0, 200) {}
-    void run(T& x) const { x.rehash(0); }
+  rehash_test2() : rehash_test_base<T>(0, 200) {}
+  void run(T& x) const
+  {
+    x.rehash(0);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, this->values);
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct rehash_test3 : rehash_test_base<T>
 {
-    rehash_test3() : rehash_test_base<T>(10, 0) {}
-    void run(T& x) const { x.rehash(200); }
+  rehash_test3() : rehash_test_base<T>(10, 0) {}
+  void run(T& x) const
+  {
+    x.rehash(200);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, this->values);
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct rehash_test4 : rehash_test_base<T>
 {
-    rehash_test4() : rehash_test_base<T>(10, 200) {}
-    void run(T& x) const { x.rehash(0); }
+  rehash_test4() : rehash_test_base<T>(10, 200) {}
+  void run(T& x) const
+  {
+    x.rehash(0);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, this->values);
+    test::check_equivalent_keys(x);
+  }
 };
 
+template <class T> struct rehash_test5 : rehash_test_base<T>
+{
+  rehash_test5() : rehash_test_base<T>(200, 10) {}
+  void run(T& x) const
+  {
+    x.rehash(0);
+
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, this->values);
+    test::check_equivalent_keys(x);
+  }
+};
+
+// clang-format off
 EXCEPTION_TESTS(
-    (rehash_test0)(rehash_test1)(rehash_test2)(rehash_test3)(rehash_test4),
-    CONTAINER_SEQ)
+  (rehash_test0)(rehash_test1)(rehash_test2)(rehash_test3)(rehash_test4)
+  (rehash_test5),
+  CONTAINER_SEQ)
+// clang-format on
+
 RUN_TESTS()

test/exception/swap_exception_tests.cpp

@@ -7,6 +7,7 @@
 
 #include "../helpers/invariants.hpp"
 #include "../helpers/random_values.hpp"
+#include "../helpers/tracker.hpp"
 
 #if defined(BOOST_MSVC)
 #pragma warning(disable : 4512) // assignment operator could not be generated
@@ -16,24 +17,33 @@ test::seed_t initialize_seed(9387);
 
 template <class T> struct self_swap_base : public test::exception_base
 {
-    test::random_values<T> values;
-    self_swap_base(std::size_t count = 0) : values(count) {}
+  test::random_values<T> values;
+  self_swap_base(std::size_t count = 0) : values(count, test::limited_range) {}
 
-    typedef T data_type;
-    T init() const { return T(values.begin(), values.end()); }
-    void run(T& x) const { x.swap(x); }
-    void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x) const
-    {
-        std::string scope(test::scope);
+  typedef T data_type;
+  T init() const { return T(values.begin(), values.end()); }
 
-        // TODO: In C++11 exceptions are only allowed in the swap function.
-        BOOST_TEST(scope == "hash::hash(hash)" ||
-                   scope == "hash::operator=(hash)" ||
-                   scope == "equal_to::equal_to(equal_to)" ||
-                   scope == "equal_to::operator=(equal_to)");
+  void run(T& x) const
+  {
+    x.swap(x);
 
-        test::check_equivalent_keys(x);
-    }
+    DISABLE_EXCEPTIONS;
+    test::check_container(x, this->values);
+    test::check_equivalent_keys(x);
+  }
+
+  void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x) const
+  {
+    std::string scope(test::scope);
+
+    // TODO: In C++11 exceptions are only allowed in the swap function.
+    BOOST_TEST(scope == "hash::hash(hash)" ||
+               scope == "hash::operator=(hash)" ||
+               scope == "equal_to::equal_to(equal_to)" ||
+               scope == "equal_to::operator=(equal_to)");
+
+    test::check_equivalent_keys(x);
+  }
 };
 
 template <class T> struct self_swap_test1 : self_swap_base<T>
@@ -42,83 +52,94 @@ template <class T> struct self_swap_test1 : self_swap_base<T>
 
 template <class T> struct self_swap_test2 : self_swap_base<T>
 {
-    self_swap_test2() : self_swap_base<T>(100) {}
+  self_swap_test2() : self_swap_base<T>(100) {}
 };
 
 template <class T> struct swap_base : public test::exception_base
 {
-    const test::random_values<T> x_values, y_values;
-    const T initial_x, initial_y;
+  const test::random_values<T> x_values, y_values;
+  const T initial_x, initial_y;
 
-    typedef BOOST_DEDUCED_TYPENAME T::hasher hasher;
-    typedef BOOST_DEDUCED_TYPENAME T::key_equal key_equal;
-    typedef BOOST_DEDUCED_TYPENAME T::allocator_type allocator_type;
+  typedef typename T::hasher hasher;
+  typedef typename T::key_equal key_equal;
+  typedef typename T::allocator_type allocator_type;
 
-    swap_base(unsigned int count1, unsigned int count2, int tag1, int tag2)
-        : x_values(count1), y_values(count2),
-          initial_x(x_values.begin(), x_values.end(), 0, hasher(tag1),
-              key_equal(tag1), allocator_type(tag1)),
-          initial_y(
-              y_values.begin(), y_values.end(), 0, hasher(tag2),
-              key_equal(tag2),
-              allocator_type(
-                  T::allocator_type::propagate_on_container_swap::value ? tag2
-                                                                        : tag1))
-    {
+  swap_base(unsigned int count1, unsigned int count2, int tag1, int tag2)
+      : x_values(count1, test::limited_range),
+        y_values(count2, test::limited_range),
+        initial_x(x_values.begin(), x_values.end(), 0, hasher(tag1),
+          key_equal(tag1), allocator_type(tag1)),
+        initial_y(y_values.begin(), y_values.end(), 0, hasher(tag2),
+          key_equal(tag2),
+          allocator_type(T::allocator_type::propagate_on_container_swap::value
+                           ? tag2
+                           : tag1))
+  {
+  }
+
+  struct data_type
+  {
+    data_type(T const& x_, T const& y_) : x(x_), y(y_) {}
+
+    T x, y;
+  };
+
+  data_type init() const { return data_type(initial_x, initial_y); }
+
+  void run(data_type& d) const
+  {
+    try {
+      d.x.swap(d.y);
+    } catch (std::runtime_error&) {
     }
 
-    struct data_type
-    {
-        data_type(T const& x_, T const& y_) : x(x_), y(y_) {}
+    DISABLE_EXCEPTIONS;
+    test::check_container(d.x, this->y_values);
+    test::check_equivalent_keys(d.x);
+    test::check_container(d.y, this->x_values);
+    test::check_equivalent_keys(d.y);
+  }
 
-        T x, y;
-    };
+  void check BOOST_PREVENT_MACRO_SUBSTITUTION(data_type const& d) const
+  {
+    std::string scope(test::scope);
 
-    data_type init() const { return data_type(initial_x, initial_y); }
+    // TODO: In C++11 exceptions are only allowed in the swap function.
+    BOOST_TEST(scope == "hash::hash(hash)" ||
+               scope == "hash::operator=(hash)" ||
+               scope == "equal_to::equal_to(equal_to)" ||
+               scope == "equal_to::operator=(equal_to)");
 
-    void run(data_type& d) const
-    {
-        try {
-            d.x.swap(d.y);
-        } catch (std::runtime_error) {
-        }
-    }
-    void check BOOST_PREVENT_MACRO_SUBSTITUTION(data_type const& d) const
-    {
-        std::string scope(test::scope);
-
-        // TODO: In C++11 exceptions are only allowed in the swap function.
-        BOOST_TEST(scope == "hash::hash(hash)" ||
-                   scope == "hash::operator=(hash)" ||
-                   scope == "equal_to::equal_to(equal_to)" ||
-                   scope == "equal_to::operator=(equal_to)");
-
-        test::check_equivalent_keys(d.x);
-        test::check_equivalent_keys(d.y);
-    }
+    test::check_equivalent_keys(d.x);
+    test::check_equivalent_keys(d.y);
+  }
 };
 
 template <class T> struct swap_test1 : swap_base<T>
 {
-    swap_test1() : swap_base<T>(0, 0, 0, 0) {}
+  swap_test1() : swap_base<T>(0, 0, 0, 0) {}
 };
 
 template <class T> struct swap_test2 : swap_base<T>
 {
-    swap_test2() : swap_base<T>(60, 0, 0, 0) {}
+  swap_test2() : swap_base<T>(60, 0, 0, 0) {}
 };
 
 template <class T> struct swap_test3 : swap_base<T>
 {
-    swap_test3() : swap_base<T>(0, 60, 0, 0) {}
+  swap_test3() : swap_base<T>(0, 60, 0, 0) {}
 };
 
 template <class T> struct swap_test4 : swap_base<T>
 {
-    swap_test4() : swap_base<T>(10, 10, 1, 2) {}
+  swap_test4() : swap_base<T>(10, 10, 1, 2) {}
 };
 
-EXCEPTION_TESTS((self_swap_test1)(self_swap_test2)(swap_test1)(swap_test2)(
-                    swap_test3)(swap_test4),
-    CONTAINER_SEQ)
+// clang-format off
+EXCEPTION_TESTS(
+  (self_swap_test1)(self_swap_test2)
+  (swap_test1)(swap_test2)(swap_test3)(swap_test4),
+  CONTAINER_SEQ)
+// clang-format on
+
 RUN_TESTS()

test/helpers/check_return_type.hpp

@@ -11,23 +11,23 @@
 #include <boost/type_traits/is_same.hpp>
 
 namespace test {
-template <class T1> struct check_return_type
-{
+  template <class T1> struct check_return_type
+  {
     template <class T2> static void equals(T2)
     {
-        BOOST_STATIC_ASSERT((boost::is_same<T1, T2>::value));
+      BOOST_STATIC_ASSERT((boost::is_same<T1, T2>::value));
     }
 
     template <class T2> static void equals_ref(T2&)
     {
-        BOOST_STATIC_ASSERT((boost::is_same<T1, T2>::value));
+      BOOST_STATIC_ASSERT((boost::is_same<T1, T2>::value));
     }
 
     template <class T2> static void convertible(T2)
     {
-        BOOST_STATIC_ASSERT((boost::is_convertible<T2, T1>::value));
+      BOOST_STATIC_ASSERT((boost::is_convertible<T2, T1>::value));
     }
-};
+  };
 }
 
 #endif

test/helpers/count.hpp

@@ -6,12 +6,11 @@
 #if !defined(BOOST_UNORDERED_TEST_HELPERS_COUNT_HEAD)
 #define BOOST_UNORDERED_TEST_HELPERS_COUNT_HEAD
 
-#include <boost/detail/lightweight_test.hpp>
-#include <iostream>
+#include <boost/core/lightweight_test.hpp>
 
 namespace test {
-struct object_count
-{
+  struct object_count
+  {
     int instances;
     int constructions;
 
@@ -20,52 +19,52 @@ struct object_count
 
     void construct()
     {
-        ++instances;
-        ++constructions;
+      ++instances;
+      ++constructions;
     }
 
     void destruct()
     {
-        if (instances == 0) {
-            BOOST_ERROR("Unbalanced constructions.");
-        } else {
-            --instances;
-        }
+      if (instances == 0) {
+        BOOST_ERROR("Unbalanced constructions.");
+      } else {
+        --instances;
+      }
     }
 
     bool operator==(object_count const& x) const
     {
-        return instances == x.instances && constructions == x.constructions;
+      return instances == x.instances && constructions == x.constructions;
     }
 
     bool operator!=(object_count const& x) const { return !(*this == x); }
 
     friend std::ostream& operator<<(std::ostream& out, object_count const& c)
     {
-        out << "[instances: " << c.instances
-            << ", constructions: " << c.constructions << "]";
-        return out;
+      out << "[instances: " << c.instances
+          << ", constructions: " << c.constructions << "]";
+      return out;
     }
-};
+  };
 
-// This won't be a problem as I'm only using a single compile unit
-// in each test (this is actually require by the minimal test
-// framework).
-//
-// boostinspect:nounnamed
-namespace {
-object_count global_object_count;
-}
+  // This won't be a problem as I'm only using a single compile unit
+  // in each test (this is actually require by the minimal test
+  // framework).
+  //
+  // boostinspect:nounnamed
+  namespace {
+    object_count global_object_count;
+  }
 
-struct counted_object
-{
+  struct counted_object
+  {
     counted_object() { global_object_count.construct(); }
     counted_object(counted_object const&) { global_object_count.construct(); }
     ~counted_object() { global_object_count.destruct(); }
-};
+  };
 
-struct check_instances
-{
+  struct check_instances
+  {
     int instances_;
     int constructions_;
 
@@ -76,15 +75,15 @@ struct check_instances
     }
     ~check_instances()
     {
-        BOOST_TEST(global_object_count.instances == instances_);
+      BOOST_TEST(global_object_count.instances == instances_);
     }
 
     int instances() const { return global_object_count.instances - instances_; }
     int constructions() const
     {
-        return global_object_count.constructions - constructions_;
+      return global_object_count.constructions - constructions_;
     }
-};
+  };
 }
 
 #endif

test/helpers/equivalent.hpp

@@ -10,59 +10,60 @@
 #include "./list.hpp"
 #include "./metafunctions.hpp"
 #include <algorithm>
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/unordered_map.hpp>
 #include <boost/unordered_set.hpp>
 
 namespace test {
-template <class T1, class T2>
-bool equivalent_impl(T1 const& x, T2 const& y, base_type)
-{
+  template <class T1, class T2>
+  bool equivalent_impl(T1 const& x, T2 const& y, base_type)
+  {
     return x == y;
-}
+  }
 
-template <class T>
-bool equivalent_impl(boost::hash<T> const&, boost::hash<T> const&, derived_type)
-{
+  template <class T>
+  bool equivalent_impl(
+    boost::hash<T> const&, boost::hash<T> const&, derived_type)
+  {
     return true;
-}
+  }
 
-template <class T>
-bool equivalent_impl(
+  template <class T>
+  bool equivalent_impl(
     std::equal_to<T> const&, std::equal_to<T> const&, derived_type)
-{
+  {
     return true;
-}
+  }
 
-template <class T1, class T2, class T3, class T4>
-bool equivalent_impl(
+  template <class T1, class T2, class T3, class T4>
+  bool equivalent_impl(
     std::pair<T1, T2> const& x1, std::pair<T3, T4> const& x2, derived_type)
-{
+  {
     return equivalent_impl(x1.first, x2.first, derived) &&
            equivalent_impl(x1.second, x2.second, derived);
-}
+  }
 
-struct equivalent_type
-{
+  struct equivalent_type
+  {
     equivalent_type() {}
 
     template <class T1, class T2>
     bool operator()(T1 const& x, T2 const& y) const
     {
-        return equivalent_impl(x, y, derived);
+      return equivalent_impl(x, y, derived);
     }
-};
+  };
 
-const equivalent_type equivalent;
+  const equivalent_type equivalent;
 
-template <class Container> class unordered_equivalence_tester
-{
-    BOOST_DEDUCED_TYPENAME Container::size_type size_;
-    BOOST_DEDUCED_TYPENAME Container::hasher hasher_;
-    BOOST_DEDUCED_TYPENAME Container::key_equal key_equal_;
+  template <class Container> class unordered_equivalence_tester
+  {
+    typename Container::size_type size_;
+    typename Container::hasher hasher_;
+    typename Container::key_equal key_equal_;
     float max_load_factor_;
 
-    typedef test::list<BOOST_DEDUCED_TYPENAME Container::value_type> value_list;
+    typedef test::list<typename Container::value_type> value_list;
     value_list values_;
 
   public:
@@ -70,26 +71,26 @@ template <class Container> class unordered_equivalence_tester
         : size_(x.size()), hasher_(x.hash_function()), key_equal_(x.key_eq()),
           max_load_factor_(x.max_load_factor()), values_(x.begin(), x.end())
     {
-        values_.sort();
+      values_.sort();
     }
 
     bool operator()(Container const& x) const
     {
-        if (!((size_ == x.size()) &&
-                (test::equivalent(hasher_, x.hash_function())) &&
-                (test::equivalent(key_equal_, x.key_eq())) &&
-                (max_load_factor_ == x.max_load_factor()) &&
-                (values_.size() == x.size())))
-            return false;
+      if (!((size_ == x.size()) &&
+            (test::equivalent(hasher_, x.hash_function())) &&
+            (test::equivalent(key_equal_, x.key_eq())) &&
+            (max_load_factor_ == x.max_load_factor()) &&
+            (values_.size() == x.size())))
+        return false;
 
-        value_list copy(x.begin(), x.end());
-        copy.sort();
-        return values_ == copy;
+      value_list copy(x.begin(), x.end());
+      copy.sort();
+      return values_ == copy;
     }
 
   private:
     unordered_equivalence_tester();
-};
+  };
 }
 
 #endif

test/helpers/exception_test.hpp

@@ -14,64 +14,59 @@
 #include <boost/preprocessor/seq/for_each_product.hpp>
 
 #define UNORDERED_EXCEPTION_TEST_CASE(name, test_func, type)                   \
-    UNORDERED_AUTO_TEST(name)                                                  \
-    {                                                                          \
-        test_func<type> fixture;                                               \
-        ::test::lightweight::exception_safety(                                 \
-            fixture, BOOST_STRINGIZE(test_func<type>));                        \
-    }
+  UNORDERED_AUTO_TEST (name) {                                                 \
+    test_func<type> fixture;                                                   \
+    ::test::lightweight::exception_safety(                                     \
+      fixture, BOOST_STRINGIZE(test_func<type>));                              \
+  }
 
 #define UNORDERED_EXCEPTION_TEST_CASE_REPEAT(name, test_func, n, type)         \
-    UNORDERED_AUTO_TEST(name)                                                  \
-    {                                                                          \
-        for (unsigned i = 0; i < n; ++i) {                                     \
-            test_func<type> fixture;                                           \
-            ::test::lightweight::exception_safety(                             \
-                fixture, BOOST_STRINGIZE(test_func<type>));                    \
-        }                                                                      \
-    }
+  UNORDERED_AUTO_TEST (name) {                                                 \
+    for (unsigned i = 0; i < n; ++i) {                                         \
+      test_func<type> fixture;                                                 \
+      ::test::lightweight::exception_safety(                                   \
+        fixture, BOOST_STRINGIZE(test_func<type>));                            \
+    }                                                                          \
+  }
 
 #define UNORDERED_EPOINT_IMPL ::test::lightweight::epoint
 
 #define UNORDERED_EXCEPTION_TEST_POSTFIX RUN_TESTS()
 
 #define EXCEPTION_TESTS(test_seq, param_seq)                                   \
-    BOOST_PP_SEQ_FOR_EACH_PRODUCT(                                             \
-        EXCEPTION_TESTS_OP, (test_seq)((1))(param_seq))
+  BOOST_PP_SEQ_FOR_EACH_PRODUCT(EXCEPTION_TESTS_OP, (test_seq)((1))(param_seq))
 
 #define EXCEPTION_TESTS_REPEAT(n, test_seq, param_seq)                         \
-    BOOST_PP_SEQ_FOR_EACH_PRODUCT(                                             \
-        EXCEPTION_TESTS_OP, (test_seq)((n))(param_seq))
+  BOOST_PP_SEQ_FOR_EACH_PRODUCT(EXCEPTION_TESTS_OP, (test_seq)((n))(param_seq))
 
 #define EXCEPTION_TESTS_OP(r, product)                                         \
-    UNORDERED_EXCEPTION_TEST_CASE_REPEAT(                                      \
-        BOOST_PP_CAT(BOOST_PP_SEQ_ELEM(0, product),                            \
-            BOOST_PP_CAT(_, BOOST_PP_SEQ_ELEM(2, product))),                   \
-        BOOST_PP_SEQ_ELEM(0, product), BOOST_PP_SEQ_ELEM(1, product),          \
-        BOOST_PP_SEQ_ELEM(2, product))
+  UNORDERED_EXCEPTION_TEST_CASE_REPEAT(                                        \
+    BOOST_PP_CAT(BOOST_PP_SEQ_ELEM(0, product),                                \
+      BOOST_PP_CAT(_, BOOST_PP_SEQ_ELEM(2, product))),                         \
+    BOOST_PP_SEQ_ELEM(0, product), BOOST_PP_SEQ_ELEM(1, product),              \
+    BOOST_PP_SEQ_ELEM(2, product))
 
 #define UNORDERED_SCOPE(scope_name)                                            \
-    for (::test::scope_guard unordered_test_guard(                             \
-             BOOST_STRINGIZE(scope_name));                                     \
-         !unordered_test_guard.dismissed(); unordered_test_guard.dismiss())
+  for (::test::scope_guard unordered_test_guard(BOOST_STRINGIZE(scope_name));  \
+       !unordered_test_guard.dismissed(); unordered_test_guard.dismiss())
 
 #define UNORDERED_EPOINT(name)                                                 \
-    if (::test::exceptions_enabled) {                                          \
-        UNORDERED_EPOINT_IMPL(name);                                           \
-    }
+  if (::test::exceptions_enabled) {                                            \
+    UNORDERED_EPOINT_IMPL(name);                                               \
+  }
 
 #define ENABLE_EXCEPTIONS                                                      \
-    ::test::exceptions_enable BOOST_PP_CAT(ENABLE_EXCEPTIONS_, __LINE__)(true)
+  ::test::exceptions_enable BOOST_PP_CAT(ENABLE_EXCEPTIONS_, __LINE__)(true)
 
 #define DISABLE_EXCEPTIONS                                                     \
-    ::test::exceptions_enable BOOST_PP_CAT(ENABLE_EXCEPTIONS_, __LINE__)(false)
+  ::test::exceptions_enable BOOST_PP_CAT(ENABLE_EXCEPTIONS_, __LINE__)(false)
 
 namespace test {
-static char const* scope = "";
-bool exceptions_enabled = false;
+  static char const* scope = "";
+  bool exceptions_enabled = false;
 
-class scope_guard
-{
+  class scope_guard
+  {
     scope_guard& operator=(scope_guard const&);
     scope_guard(scope_guard const&);
 
@@ -83,22 +78,22 @@ class scope_guard
     scope_guard(char const* name)
         : old_scope_(scope), scope_(name), dismissed_(false)
     {
-        scope = scope_;
+      scope = scope_;
     }
 
     ~scope_guard()
     {
-        if (dismissed_)
-            scope = old_scope_;
+      if (dismissed_)
+        scope = old_scope_;
     }
 
     void dismiss() { dismissed_ = true; }
 
     bool dismissed() const { return dismissed_; }
-};
+  };
 
-class exceptions_enable
-{
+  class exceptions_enable
+  {
     exceptions_enable& operator=(exceptions_enable const&);
     exceptions_enable(exceptions_enable const&);
 
@@ -109,65 +104,65 @@ class exceptions_enable
     exceptions_enable(bool enable)
         : old_value_(exceptions_enabled), released_(false)
     {
-        exceptions_enabled = enable;
+      exceptions_enabled = enable;
     }
 
     ~exceptions_enable()
     {
-        if (!released_) {
-            exceptions_enabled = old_value_;
-            released_ = true;
-        }
+      if (!released_) {
+        exceptions_enabled = old_value_;
+        released_ = true;
+      }
     }
 
     void release()
     {
-        if (!released_) {
-            exceptions_enabled = old_value_;
-            released_ = true;
-        }
+      if (!released_) {
+        exceptions_enabled = old_value_;
+        released_ = true;
+      }
     }
-};
+  };
 
-struct exception_base
-{
+  struct exception_base
+  {
     struct data_type
     {
     };
     struct strong_type
     {
-        template <class T> void store(T const&) {}
-        template <class T> void test(T const&) const {}
+      template <class T> void store(T const&) {}
+      template <class T> void test(T const&) const {}
     };
     data_type init() const { return data_type(); }
     void check BOOST_PREVENT_MACRO_SUBSTITUTION() const {}
-};
+  };
 
-template <class T, class P1, class P2, class T2>
-inline void call_ignore_extra_parameters(
+  template <class T, class P1, class P2, class T2>
+  inline void call_ignore_extra_parameters(
     void (T::*fn)() const, T2 const& obj, P1&, P2&)
-{
+  {
     (obj.*fn)();
-}
+  }
 
-template <class T, class P1, class P2, class T2>
-inline void call_ignore_extra_parameters(
+  template <class T, class P1, class P2, class T2>
+  inline void call_ignore_extra_parameters(
     void (T::*fn)(P1&) const, T2 const& obj, P1& p1, P2&)
-{
+  {
     (obj.*fn)(p1);
-}
+  }
 
-template <class T, class P1, class P2, class T2>
-inline void call_ignore_extra_parameters(
+  template <class T, class P1, class P2, class T2>
+  inline void call_ignore_extra_parameters(
     void (T::*fn)(P1&, P2&) const, T2 const& obj, P1& p1, P2& p2)
-{
+  {
     (obj.*fn)(p1, p2);
-}
+  }
 
-template <class T> T const& constant(T const& x) { return x; }
+  template <class T> T const& constant(T const& x) { return x; }
 
-template <class Test> class test_runner
-{
+  template <class Test> class test_runner
+  {
     Test const& test_;
     bool exception_in_check_;
 
@@ -178,94 +173,176 @@ template <class Test> class test_runner
     test_runner(Test const& t) : test_(t), exception_in_check_(false) {}
     void run()
     {
-        DISABLE_EXCEPTIONS;
-        test::check_instances check;
-        test::scope = "";
-        BOOST_DEDUCED_TYPENAME Test::data_type x(test_.init());
-        BOOST_DEDUCED_TYPENAME Test::strong_type strong;
-        strong.store(x);
+      DISABLE_EXCEPTIONS;
+      test::check_instances check;
+      test::scope = "";
+      typename Test::data_type x(test_.init());
+      typename Test::strong_type strong;
+      strong.store(x);
+      try {
+        ENABLE_EXCEPTIONS;
+        call_ignore_extra_parameters<Test, typename Test::data_type,
+          typename Test::strong_type>(&Test::run, test_, x, strong);
+      } catch (...) {
         try {
-            ENABLE_EXCEPTIONS;
-            call_ignore_extra_parameters<Test,
-                BOOST_DEDUCED_TYPENAME Test::data_type,
-                BOOST_DEDUCED_TYPENAME Test::strong_type>(
-                &Test::run, test_, x, strong);
+          DISABLE_EXCEPTIONS;
+          call_ignore_extra_parameters<Test, typename Test::data_type const,
+            typename Test::strong_type const>(
+            &Test::check, test_, constant(x), constant(strong));
         } catch (...) {
-            try {
-                DISABLE_EXCEPTIONS;
-                call_ignore_extra_parameters<Test,
-                    BOOST_DEDUCED_TYPENAME Test::data_type const,
-                    BOOST_DEDUCED_TYPENAME Test::strong_type const>(
-                    &Test::check, test_, constant(x), constant(strong));
-            } catch (...) {
-                exception_in_check_ = true;
-            }
-            throw;
+          exception_in_check_ = true;
         }
+        throw;
+      }
     }
     void end()
     {
-        if (exception_in_check_) {
-            BOOST_ERROR("Unexcpected exception in test_runner check call.");
-        }
+      if (exception_in_check_) {
+        BOOST_ERROR("Unexcpected exception in test_runner check call.");
+      }
     }
-};
+  };
 
-// Quick exception testing based on lightweight test
+  // Quick exception testing based on lightweight test
 
-namespace lightweight {
-static int iteration;
-static int count;
+  namespace lightweight {
+    static int iteration;
+    static int count;
 
-struct test_exception
-{
-    char const* name;
-    test_exception(char const* n) : name(n) {}
-};
+    struct test_exception
+    {
+      char const* name;
+      test_exception(char const* n) : name(n) {}
+    };
 
-struct test_failure
-{
-};
+    struct test_failure
+    {
+    };
 
-void epoint(char const* name)
-{
-    ++count;
-    if (count == iteration) {
+    void epoint(char const* name)
+    {
+      ++count;
+      if (count == iteration) {
         throw test_exception(name);
+      }
     }
-}
 
-template <class Test> void exception_safety(Test const& f, char const* /*name*/)
-{
-    test_runner<Test> runner(f);
+    template <class Test>
+    void exception_safety(Test const& f, char const* /*name*/)
+    {
+      test_runner<Test> runner(f);
 
-    iteration = 0;
-    bool success = false;
-    char const* error_msg = 0;
-    do {
+      iteration = 0;
+      bool success = false;
+      unsigned int failure_count = 0;
+      char const* error_msg = 0;
+      do {
+        int error_count = boost::detail::test_errors();
         ++iteration;
         count = 0;
 
         try {
-            runner.run();
-            success = true;
+          runner.run();
+          success = true;
         } catch (test_failure) {
-            error_msg = "test_failure caught.";
-            break;
-        } catch (test_exception) {
-            continue;
+          error_msg = "test_failure caught.";
+          break;
+        } catch (test_exception e) {
+          if (error_count != boost::detail::test_errors()) {
+            BOOST_LIGHTWEIGHT_TEST_OSTREAM
+              << "Iteration: " << iteration
+              << " Error found for epoint: " << e.name << std::endl;
+          }
         } catch (...) {
-            error_msg = "Unexpected exception.";
-            break;
+          error_msg = "Unexpected exception.";
+          break;
         }
-    } while (!success);
 
-    if (error_msg) {
+        if (error_count != boost::detail::test_errors()) {
+          ++failure_count;
+        }
+      } while (!success && failure_count < 5);
+
+      if (error_msg) {
         BOOST_ERROR(error_msg);
+      }
+      runner.end();
     }
-    runner.end();
-}
-}
+
+    //
+    // An alternative way to run exception tests.
+    // See merge_exception_tests.cpp for an example.
+
+    struct exception_looper
+    {
+      bool success;
+      unsigned int failure_count;
+      char const* error_msg;
+      int error_count;
+
+      exception_looper() : success(false), failure_count(0), error_msg(0) {}
+
+      void start() { iteration = 0; }
+
+      bool loop_condition() const
+      {
+        return !error_msg && !success && failure_count < 5;
+      }
+
+      void start_iteration()
+      {
+        error_count = boost::detail::test_errors();
+        ++iteration;
+        count = 0;
+      }
+
+      void successful_run() { success = true; }
+
+      void test_failure_caught(test_failure const&)
+      {
+        error_msg = "test_failure caught.";
+      }
+
+      void test_exception_caught(test_exception const& e)
+      {
+        if (error_count != boost::detail::test_errors()) {
+          BOOST_LIGHTWEIGHT_TEST_OSTREAM
+            << "Iteration: " << iteration
+            << " Error found for epoint: " << e.name << std::endl;
+        }
+      }
+
+      void unexpected_exception_caught()
+      {
+        error_msg = "Unexpected exception.";
+      }
+
+      void end()
+      {
+        if (error_msg) {
+          BOOST_ERROR(error_msg);
+        }
+      }
+    };
+
+#define EXCEPTION_LOOP(op)                                                     \
+  test::lightweight::exception_looper looper;                                  \
+  looper.start();                                                              \
+  while (looper.loop_condition()) {                                            \
+    looper.start_iteration();                                                  \
+    try {                                                                      \
+      op;                                                                      \
+      looper.successful_run();                                                 \
+    } catch (test::lightweight::test_failure e) {                              \
+      looper.test_failure_caught(e);                                           \
+    } catch (test::lightweight::test_exception e) {                            \
+      looper.test_exception_caught(e);                                         \
+    } catch (...) {                                                            \
+      looper.unexpected_exception_caught();                                    \
+    }                                                                          \
+  }                                                                            \
+  looper.end();
+  }
 }
 
 #endif

test/helpers/fwd.hpp

@@ -9,24 +9,24 @@
 #include <string>
 
 namespace test {
-typedef enum {
+  typedef enum {
     default_generator,
     generate_collisions,
     limited_range
-} random_generator;
+  } random_generator;
 
-int generate(int const*, random_generator);
-char generate(char const*, random_generator);
-signed char generate(signed char const*, random_generator);
-std::string generate(std::string const*, random_generator);
-float generate(float const*, random_generator);
+  int generate(int const*, random_generator);
+  char generate(char const*, random_generator);
+  signed char generate(signed char const*, random_generator);
+  std::string generate(std::string const*, random_generator);
+  float generate(float const*, random_generator);
 
-struct base_type
-{
-} base;
-struct derived_type : base_type
-{
-} derived;
+  struct base_type
+  {
+  } base;
+  struct derived_type : base_type
+  {
+  } derived;
 }
 
 #endif

test/helpers/generators.hpp

@@ -19,45 +19,45 @@
 #include <utility>
 
 namespace test {
-struct seed_t
-{
+  struct seed_t
+  {
     seed_t(unsigned int x)
     {
-        using namespace std;
-        srand(x);
+      using namespace std;
+      srand(x);
     }
-};
+  };
 
-std::size_t random_value(std::size_t max)
-{
+  std::size_t random_value(std::size_t max)
+  {
     using namespace std;
     return static_cast<std::size_t>(rand()) % max;
-}
+  }
 
-inline int generate(int const*, random_generator g)
-{
+  inline int generate(int const*, random_generator g)
+  {
     using namespace std;
     int value = rand();
     if (g == limited_range) {
-        value = value % 100;
+      value = value % 100;
     }
     return value;
-}
+  }
 
-inline char generate(char const*, random_generator)
-{
+  inline char generate(char const*, random_generator)
+  {
     using namespace std;
     return static_cast<char>((rand() >> 1) % (128 - 32) + 32);
-}
+  }
 
-inline signed char generate(signed char const*, random_generator)
-{
+  inline signed char generate(signed char const*, random_generator)
+  {
     using namespace std;
     return static_cast<signed char>(rand());
-}
+  }
 
-inline std::string generate(std::string const*, random_generator g)
-{
+  inline std::string generate(std::string const*, random_generator g)
+  {
     using namespace std;
 
     char* char_ptr = 0;
@@ -65,30 +65,29 @@ inline std::string generate(std::string const*, random_generator g)
     std::string result;
 
     if (g == limited_range) {
-        std::size_t length = test::random_value(2) + 2;
+      std::size_t length = test::random_value(2) + 2;
 
-        char const* strings[] = {"'vZh(3~ms", "%m", "_Y%U", "N'Y", "4,J_J"};
-        for (std::size_t i = 0; i < length; ++i) {
-            result +=
-                strings[random_value(sizeof(strings) / sizeof(strings[0]))];
-        }
+      char const* strings[] = {"'vZh(3~ms", "%m", "_Y%U", "N'Y", "4,J_J"};
+      for (std::size_t i = 0; i < length; ++i) {
+        result += strings[random_value(sizeof(strings) / sizeof(strings[0]))];
+      }
     } else {
-        std::size_t length = test::random_value(10) + 1;
-        for (std::size_t i = 0; i < length; ++i) {
-            result += generate(char_ptr, g);
-        }
+      std::size_t length = test::random_value(10) + 1;
+      for (std::size_t i = 0; i < length; ++i) {
+        result += generate(char_ptr, g);
+      }
     }
 
     return result;
-}
+  }
 
-float generate(float const*, random_generator g)
-{
+  float generate(float const*, random_generator g)
+  {
     using namespace std;
     int x = 0;
     int value = generate(&x, g);
     return (float)value / (float)RAND_MAX;
-}
+  }
 }
 
 #endif

test/helpers/helpers.hpp

@@ -6,48 +6,51 @@
 #if !defined(BOOST_UNORDERED_TEST_HELPERS_HEADER)
 #define BOOST_UNORDERED_TEST_HELPERS_HEADER
 
+#include <iterator>
+
 namespace test {
-template <class Container> struct get_key_impl
-{
-    typedef BOOST_DEDUCED_TYPENAME Container::key_type key_type;
+  template <class Container> struct get_key_impl
+  {
+    typedef typename Container::key_type key_type;
 
     static key_type const& get_key(key_type const& x) { return x; }
 
     template <class T>
     static key_type const& get_key(std::pair<key_type, T> const& x, char = 0)
     {
-        return x.first;
+      return x.first;
     }
 
     template <class T>
     static key_type const& get_key(
-        std::pair<key_type const, T> const& x, unsigned char = 0)
+      std::pair<key_type const, T> const& x, unsigned char = 0)
     {
-        return x.first;
+      return x.first;
     }
-};
+  };
 
-template <class Container, class T>
-inline BOOST_DEDUCED_TYPENAME Container::key_type const& get_key(T const& x)
-{
+  template <class Container, class T>
+  inline typename Container::key_type const& get_key(T const& x)
+  {
     return get_key_impl<Container>::get_key(x);
-}
+  }
 
-// test::next
-//
-// Increments an iterator by 1 or a given value.
-// Like boost::next, but simpler and slower.
+  // test::next
+  //
+  // Increments an iterator by 1 or a given value.
+  // Like boost::next, but simpler.
+  // Mainly because boost::next uses an MPL file
+  // which causes warnings.
 
-template <typename Iterator> Iterator next(Iterator it) { return ++it; }
+  template <typename Iterator> Iterator next(Iterator it) { return ++it; }
 
-template <typename Iterator, typename IntType>
-Iterator next(Iterator it, IntType x)
-{
-    for (; x > 0; --x) {
-        ++it;
-    }
+  template <typename Iterator, typename IntType>
+  Iterator next(Iterator it, IntType x)
+  {
+    std::advance(it,
+      static_cast<typename std::iterator_traits<Iterator>::difference_type>(x));
     return it;
-}
+  }
 }
 
 #endif

test/helpers/input_iterator.hpp

@@ -7,13 +7,12 @@
 #define BOOST_UNORDERED_TEST_HELPERS_INPUT_ITERATOR_HEADER
 
 #include <boost/config.hpp>
-#include <boost/iterator/iterator_traits.hpp>
 #include <iterator>
 
 namespace test {
-template <class Iterator> struct proxy
-{
-    typedef BOOST_DEDUCED_TYPENAME Iterator::value_type value_type;
+  template <class Iterator> struct proxy
+  {
+    typedef typename Iterator::value_type value_type;
 
     explicit proxy(value_type const& v) : v_(v) {}
     proxy(proxy const& x) : v_(x.v_) {}
@@ -23,18 +22,15 @@ template <class Iterator> struct proxy
 
   private:
     proxy& operator=(proxy const&);
-};
+  };
 
-template <class Iterator>
-struct input_iterator_adaptor
-    : public std::iterator<std::input_iterator_tag,
-          BOOST_DEDUCED_TYPENAME boost::iterator_value<Iterator>::type,
-          std::ptrdiff_t,
-          BOOST_DEDUCED_TYPENAME boost::iterator_pointer<Iterator>::type,
-          proxy<Iterator> >
-{
-    typedef BOOST_DEDUCED_TYPENAME boost::iterator_value<Iterator>::type
-        value_type;
+  template <class Iterator> struct input_iterator_adaptor
+  {
+    typedef typename std::iterator_traits<Iterator>::value_type value_type;
+    typedef typename std::iterator_traits<Iterator>::pointer pointer;
+    typedef proxy<Iterator> reference;
+    typedef std::ptrdiff_t difference_type;
+    typedef std::input_iterator_tag iterator_category;
 
     input_iterator_adaptor() : base_() {}
     explicit input_iterator_adaptor(Iterator& it) : base_(&it) {}
@@ -42,43 +38,39 @@ struct input_iterator_adaptor
     value_type* operator->() const { return &**base_; }
     input_iterator_adaptor& operator++()
     {
-        ++*base_;
-        return *this;
+      ++*base_;
+      return *this;
     }
     // input_iterator_adaptor operator++(int) {
     //}
     bool operator==(input_iterator_adaptor const& x) const
     {
-        return *base_ == *x.base_;
+      return *base_ == *x.base_;
     }
     bool operator!=(input_iterator_adaptor const& x) const
     {
-        return *base_ != *x.base_;
+      return *base_ != *x.base_;
     }
 
   private:
     Iterator* base_;
-};
+  };
 
-template <class Iterator>
-input_iterator_adaptor<Iterator> input_iterator(Iterator& it)
-{
+  template <class Iterator>
+  input_iterator_adaptor<Iterator> input_iterator(Iterator& it)
+  {
     return input_iterator_adaptor<Iterator>(it);
-}
+  }
 
-template <class Iterator>
-struct copy_iterator_adaptor
-    : public std::iterator<
-          BOOST_DEDUCED_TYPENAME boost::iterator_category<Iterator>::type,
-          BOOST_DEDUCED_TYPENAME boost::iterator_value<Iterator>::type,
-          BOOST_DEDUCED_TYPENAME boost::iterator_difference<Iterator>::type,
-          BOOST_DEDUCED_TYPENAME boost::iterator_pointer<Iterator>::type,
-          proxy<Iterator> >
-{
-    typedef BOOST_DEDUCED_TYPENAME boost::iterator_value<Iterator>::type
-        value_type;
-    typedef BOOST_DEDUCED_TYPENAME boost::iterator_difference<Iterator>::type
-        difference_type;
+  template <class Iterator> struct copy_iterator_adaptor
+  {
+    typedef typename std::iterator_traits<Iterator>::value_type value_type;
+    typedef
+      typename std::iterator_traits<Iterator>::difference_type difference_type;
+    typedef typename std::iterator_traits<Iterator>::iterator_category
+      iterator_category;
+    typedef typename std::iterator_traits<Iterator>::pointer pointer;
+    typedef proxy<Iterator> reference;
 
     copy_iterator_adaptor() : base_() {}
     explicit copy_iterator_adaptor(Iterator const& it) : base_(it) {}
@@ -87,87 +79,87 @@ struct copy_iterator_adaptor
     value_type operator[](difference_type d) { return base_[d]; }
     copy_iterator_adaptor& operator++()
     {
-        ++base_;
-        return *this;
+      ++base_;
+      return *this;
     }
     copy_iterator_adaptor operator++(int)
     {
-        copy_iterator_adaptor tmp(*this);
-        ++base_;
-        return tmp;
+      copy_iterator_adaptor tmp(*this);
+      ++base_;
+      return tmp;
     }
     copy_iterator_adaptor& operator--()
     {
-        --base_;
-        return *this;
+      --base_;
+      return *this;
     }
     copy_iterator_adaptor operator--(int)
     {
-        copy_iterator_adaptor tmp(*this);
-        --base_;
-        return tmp;
+      copy_iterator_adaptor tmp(*this);
+      --base_;
+      return tmp;
     }
     copy_iterator_adaptor operator+=(difference_type x)
     {
-        base_ += x;
-        return *this;
+      base_ += x;
+      return *this;
     }
     copy_iterator_adaptor operator-=(difference_type x)
     {
-        base_ -= x;
-        return *this;
+      base_ -= x;
+      return *this;
     }
     copy_iterator_adaptor operator+(difference_type n)
     {
-        return copy_iterator_adaptor(base_ + n);
+      return copy_iterator_adaptor(base_ + n);
     }
     copy_iterator_adaptor operator-(difference_type n)
     {
-        return copy_iterator_adaptor(base_ - n);
+      return copy_iterator_adaptor(base_ - n);
     }
     friend copy_iterator_adaptor operator+(
-        difference_type n, copy_iterator_adaptor x)
+      difference_type n, copy_iterator_adaptor x)
     {
-        return x + n;
+      return x + n;
     }
     difference_type operator-(copy_iterator_adaptor const& other)
     {
-        return base_ - other.base_;
+      return base_ - other.base_;
     }
     bool operator==(copy_iterator_adaptor const& x) const
     {
-        return base_ == x.base_;
+      return base_ == x.base_;
     }
     bool operator!=(copy_iterator_adaptor const& x) const
     {
-        return base_ != x.base_;
+      return base_ != x.base_;
     }
     bool operator<(copy_iterator_adaptor const& x) const
     {
-        return base_ < x.base_;
+      return base_ < x.base_;
     }
     bool operator>(copy_iterator_adaptor const& x) const
     {
-        return base_ > x.base_;
+      return base_ > x.base_;
     }
     bool operator<=(copy_iterator_adaptor const& x) const
     {
-        return base_ <= x.base_;
+      return base_ <= x.base_;
     }
     bool operator>=(copy_iterator_adaptor const& x) const
     {
-        return base_ >= x.base_;
+      return base_ >= x.base_;
     }
 
   private:
     Iterator base_;
-};
+  };
 
-template <class Iterator>
-copy_iterator_adaptor<Iterator> copy_iterator(Iterator const& it)
-{
+  template <class Iterator>
+  copy_iterator_adaptor<Iterator> copy_iterator(Iterator const& it)
+  {
     return copy_iterator_adaptor<Iterator>(it);
-}
+  }
 }
 
 #endif

test/helpers/invariants.hpp

@@ -22,100 +22,105 @@
 #endif
 
 namespace test {
-template <class X> void check_equivalent_keys(X const& x1)
-{
-    BOOST_DEDUCED_TYPENAME X::key_equal eq = x1.key_eq();
-    typedef BOOST_DEDUCED_TYPENAME X::key_type key_type;
+  template <class X> void check_equivalent_keys(X const& x1)
+  {
+    typename X::key_equal eq = x1.key_eq();
+    typedef typename X::key_type key_type;
     std::set<key_type, std::less<key_type> > found_;
 
-    BOOST_DEDUCED_TYPENAME X::const_iterator it = x1.begin(), end = x1.end();
-    BOOST_DEDUCED_TYPENAME X::size_type size = 0;
+    typename X::const_iterator it = x1.begin(), end = x1.end();
+    typename X::size_type size = 0;
     while (it != end) {
-        // First test that the current key has not occurred before, required
-        // to test either that keys are unique or that equivalent keys are
-        // adjacent. (6.3.1/6)
-        key_type key = get_key<X>(*it);
-        if (!found_.insert(key).second)
-            BOOST_ERROR("Elements with equivalent keys aren't adjacent.");
+      // First test that the current key has not occurred before, required
+      // to test either that keys are unique or that equivalent keys are
+      // adjacent. (6.3.1/6)
+      key_type key = get_key<X>(*it);
+      if (!found_.insert(key).second)
+        BOOST_ERROR("Elements with equivalent keys aren't adjacent.");
 
-        // Iterate over equivalent keys, counting them.
-        unsigned int count = 0;
-        do {
-            ++it;
-            ++count;
-            ++size;
-        } while (it != end && eq(get_key<X>(*it), key));
+      // Iterate over equivalent keys, counting them.
+      unsigned int count = 0;
+      do {
+        ++it;
+        ++count;
+        ++size;
+      } while (it != end && eq(get_key<X>(*it), key));
 
-        // If the container has unique keys, test that there's only one.
-        // Since the previous test makes sure that all equivalent keys are
-        // adjacent, this is all the equivalent keys - so the test is
-        // sufficient. (6.3.1/6 again).
-        if (test::has_unique_keys<X>::value && count != 1)
-            BOOST_ERROR("Non-unique key.");
+      // If the container has unique keys, test that there's only one.
+      // Since the previous test makes sure that all equivalent keys are
+      // adjacent, this is all the equivalent keys - so the test is
+      // sufficient. (6.3.1/6 again).
+      if (test::has_unique_keys<X>::value && count != 1)
+        BOOST_ERROR("Non-unique key.");
 
-        if (x1.count(key) != count) {
-            BOOST_ERROR("Incorrect output of count.");
-            std::cerr << x1.count(key) << "," << count << "\n";
-        }
+      if (x1.count(key) != count) {
+        BOOST_ERROR("Incorrect output of count.");
+        std::cerr << x1.count(key) << "," << count << "\n";
+      }
 
-        // Check that the keys are in the correct bucket and are
-        // adjacent in the bucket.
-        BOOST_DEDUCED_TYPENAME X::size_type bucket = x1.bucket(key);
-        BOOST_DEDUCED_TYPENAME X::const_local_iterator lit = x1.begin(bucket),
-                                                       lend = x1.end(bucket);
-        for (; lit != lend && !eq(get_key<X>(*lit), key); ++lit)
-            continue;
-        if (lit == lend)
-            BOOST_ERROR("Unable to find element with a local_iterator");
+      // Check that the keys are in the correct bucket and are
+      // adjacent in the bucket.
+      typename X::size_type bucket = x1.bucket(key);
+      typename X::const_local_iterator lit = x1.begin(bucket),
+                                       lend = x1.end(bucket);
+
+      unsigned int count_checked = 0;
+      for (; lit != lend && !eq(get_key<X>(*lit), key); ++lit) {
+        ++count_checked;
+      }
+
+      if (lit == lend) {
+        BOOST_ERROR("Unable to find element with a local_iterator");
+        std::cerr << "Checked: " << count_checked << " elements" << std::endl;
+      } else {
         unsigned int count2 = 0;
         for (; lit != lend && eq(get_key<X>(*lit), key); ++lit)
-            ++count2;
+          ++count2;
         if (count != count2)
-            BOOST_ERROR("Element count doesn't match local_iterator.");
+          BOOST_ERROR("Element count doesn't match local_iterator.");
         for (; lit != lend; ++lit) {
-            if (eq(get_key<X>(*lit), key)) {
-                BOOST_ERROR("Non-adjacent element with equivalent key "
-                            "in bucket.");
-                break;
-            }
+          if (eq(get_key<X>(*lit), key)) {
+            BOOST_ERROR("Non-adjacent element with equivalent key "
+                        "in bucket.");
+            break;
+          }
         }
+      }
     };
 
     // Check that size matches up.
 
     if (x1.size() != size) {
-        BOOST_ERROR("x1.size() doesn't match actual size.");
-        std::cout << x1.size() << "/" << size << std::endl;
+      BOOST_ERROR("x1.size() doesn't match actual size.");
+      std::cout << x1.size() << "/" << size << std::endl;
     }
 
     // Check the load factor.
 
-    float load_factor =
-        size == 0 ? 0 : static_cast<float>(size) /
-                            static_cast<float>(x1.bucket_count());
+    float load_factor = size == 0 ? 0
+                                  : static_cast<float>(size) /
+                                      static_cast<float>(x1.bucket_count());
     using namespace std;
     if (fabs(x1.load_factor() - load_factor) > x1.load_factor() / 64)
-        BOOST_ERROR("x1.load_factor() doesn't match actual load_factor.");
+      BOOST_ERROR("x1.load_factor() doesn't match actual load_factor.");
 
     // Check that size in the buckets matches up.
 
-    BOOST_DEDUCED_TYPENAME X::size_type bucket_size = 0;
+    typename X::size_type bucket_size = 0;
 
-    for (BOOST_DEDUCED_TYPENAME X::size_type i = 0; i < x1.bucket_count();
-         ++i) {
-        for (BOOST_DEDUCED_TYPENAME X::const_local_iterator
-                 begin2 = x1.begin(i),
-                 end2 = x1.end(i);
-             begin2 != end2; ++begin2) {
-            ++bucket_size;
-        }
+    for (typename X::size_type i = 0; i < x1.bucket_count(); ++i) {
+      for (typename X::const_local_iterator begin2 = x1.begin(i),
+                                            end2 = x1.end(i);
+           begin2 != end2; ++begin2) {
+        ++bucket_size;
+      }
     }
 
     if (x1.size() != bucket_size) {
-        BOOST_ERROR("x1.size() doesn't match bucket size.");
-        std::cout << x1.size() << "/" << bucket_size << std::endl;
+      BOOST_ERROR("x1.size() doesn't match bucket size.");
+      std::cout << x1.size() << "/" << bucket_size << std::endl;
     }
-}
+  }
 }
 
 #if defined(BOOST_MSVC)

test/helpers/list.hpp

@@ -16,143 +16,151 @@
 #include <iterator>
 
 namespace test {
-template <typename It1, typename It2>
-bool equal(It1 begin, It1 end, It2 compare)
-{
+  template <typename It1, typename It2>
+  bool equal(It1 begin, It1 end, It2 compare)
+  {
     for (; begin != end; ++begin, ++compare)
-        if (*begin != *compare)
-            return false;
+      if (*begin != *compare)
+        return false;
     return true;
-}
+  }
 
-template <typename It1, typename It2, typename Pred>
-bool equal(It1 begin, It1 end, It2 compare, Pred predicate)
-{
+  template <typename It1, typename It2, typename Pred>
+  bool equal(It1 begin, It1 end, It2 compare, Pred predicate)
+  {
     for (; begin != end; ++begin, ++compare)
-        if (!predicate(*begin, *compare))
-            return false;
+      if (!predicate(*begin, *compare))
+        return false;
     return true;
-}
+  }
 
-template <typename T> class list;
+  template <typename T> class list;
 
-namespace test_detail {
-template <typename T> class list_node;
-template <typename T> class list_data;
-template <typename T> class list_iterator;
-template <typename T> class list_const_iterator;
+  namespace test_detail {
+    template <typename T> class list_node;
+    template <typename T> class list_data;
+    template <typename T> class list_iterator;
+    template <typename T> class list_const_iterator;
 
-template <typename T> class list_node
-{
-    list_node(list_node const&);
-    list_node& operator=(list_node const&);
-
-  public:
-    T value_;
-    list_node* next_;
-
-    list_node(T const& v) : value_(v), next_(0) {}
-    list_node(T const& v, list_node* n) : value_(v), next_(n) {}
-};
-
-template <typename T> class list_data
-{
-  public:
-    typedef list_node<T> node;
-    typedef unsigned int size_type;
-
-    node* first_;
-    node** last_ptr_;
-    size_type size_;
-
-    list_data() : first_(0), last_ptr_(&first_), size_(0) {}
-
-    ~list_data()
+    template <typename T> class list_node
     {
+      list_node(list_node const&);
+      list_node& operator=(list_node const&);
+
+    public:
+      T value_;
+      list_node* next_;
+
+      list_node(T const& v) : value_(v), next_(0) {}
+      list_node(T const& v, list_node* n) : value_(v), next_(n) {}
+    };
+
+    template <typename T> class list_data
+    {
+    public:
+      typedef list_node<T> node;
+      typedef unsigned int size_type;
+
+      node* first_;
+      node** last_ptr_;
+      size_type size_;
+
+      list_data() : first_(0), last_ptr_(&first_), size_(0) {}
+
+      ~list_data()
+      {
         while (first_) {
-            node* tmp = first_;
-            first_ = first_->next_;
-            delete tmp;
+          node* tmp = first_;
+          first_ = first_->next_;
+          delete tmp;
         }
-    }
+      }
 
-  private:
-    list_data(list_data const&);
-    list_data& operator=(list_data const&);
-};
+    private:
+      list_data(list_data const&);
+      list_data& operator=(list_data const&);
+    };
 
-template <typename T>
-class list_iterator
-    : public std::iterator<std::forward_iterator_tag, T, int, T*, T&>
-{
-    friend class list_const_iterator<T>;
-    friend class test::list<T>;
-    typedef list_node<T> node;
-    typedef list_const_iterator<T> const_iterator;
-
-    node* ptr_;
-
-  public:
-    list_iterator() : ptr_(0) {}
-    explicit list_iterator(node* x) : ptr_(x) {}
-
-    T& operator*() const { return ptr_->value_; }
-    T* operator->() const { return &ptr_->value_; }
-    list_iterator& operator++()
+    template <typename T> class list_iterator
     {
+      friend class list_const_iterator<T>;
+      friend class test::list<T>;
+      typedef list_node<T> node;
+      typedef list_const_iterator<T> const_iterator;
+
+      node* ptr_;
+
+    public:
+      typedef T value_type;
+      typedef T* pointer;
+      typedef T& reference;
+      typedef int difference_type;
+      typedef std::forward_iterator_tag iterator_category;
+
+      list_iterator() : ptr_(0) {}
+      explicit list_iterator(node* x) : ptr_(x) {}
+
+      T& operator*() const { return ptr_->value_; }
+      T* operator->() const { return &ptr_->value_; }
+      list_iterator& operator++()
+      {
         ptr_ = ptr_->next_;
         return *this;
-    }
-    list_iterator operator++(int)
-    {
+      }
+      list_iterator operator++(int)
+      {
         list_iterator tmp = *this;
         ptr_ = ptr_->next_;
         return tmp;
-    }
-    bool operator==(const_iterator y) const { return ptr_ == y.ptr_; }
-    bool operator!=(const_iterator y) const { return ptr_ != y.ptr_; }
-};
+      }
+      bool operator==(const_iterator y) const { return ptr_ == y.ptr_; }
+      bool operator!=(const_iterator y) const { return ptr_ != y.ptr_; }
+    };
 
-template <typename T>
-class list_const_iterator : public std::iterator<std::forward_iterator_tag, T,
-                                int, T const*, T const&>
-{
-    friend class list_iterator<T>;
-    friend class test::list<T>;
-    typedef list_node<T> node;
-    typedef list_iterator<T> iterator;
-    typedef list_const_iterator<T> const_iterator;
-
-    node* ptr_;
-
-  public:
-    list_const_iterator() : ptr_(0) {}
-    list_const_iterator(list_iterator<T> const& x) : ptr_(x.ptr_) {}
-
-    T const& operator*() const { return ptr_->value_; }
-    T const* operator->() const { return &ptr_->value_; }
-
-    list_const_iterator& operator++()
+    template <typename T> class list_const_iterator
     {
+      friend class list_iterator<T>;
+      friend class test::list<T>;
+      typedef list_node<T> node;
+      typedef list_iterator<T> iterator;
+      typedef list_const_iterator<T> const_iterator;
+
+      node* ptr_;
+
+    public:
+      typedef T value_type;
+      typedef T const* pointer;
+      typedef T const& reference;
+      typedef int difference_type;
+      typedef std::forward_iterator_tag iterator_category;
+
+      list_const_iterator() : ptr_(0) {}
+      list_const_iterator(list_iterator<T> const& x) : ptr_(x.ptr_) {}
+
+      T const& operator*() const { return ptr_->value_; }
+      T const* operator->() const { return &ptr_->value_; }
+
+      list_const_iterator& operator++()
+      {
         ptr_ = ptr_->next_;
         return *this;
-    }
+      }
 
-    list_const_iterator operator++(int)
-    {
+      list_const_iterator operator++(int)
+      {
         list_const_iterator tmp = *this;
         ptr_ = ptr_->next_;
         return tmp;
-    }
+      }
 
-    bool operator==(const_iterator y) const { return ptr_ == y.ptr_; }
+      bool operator==(const_iterator y) const { return ptr_ == y.ptr_; }
 
-    bool operator!=(const_iterator y) const { return ptr_ != y.ptr_; }
-};
-}
+      bool operator!=(const_iterator y) const { return ptr_ != y.ptr_; }
+    };
+  }
 
-template <typename T> class list
-{
+  template <typename T> class list
+  {
     typedef test::test_detail::list_data<T> data;
     typedef test::test_detail::list_node<T> node;
     data data_;
@@ -173,14 +181,14 @@ template <typename T> class list
     template <class InputIterator>
     list(InputIterator i, InputIterator j) : data_()
     {
-        insert(i, j);
+      insert(i, j);
     }
 
     list& operator=(list const& other)
     {
-        clear();
-        insert(other.begin(), other.end());
-        return *this;
+      clear();
+      insert(other.begin(), other.end());
+      return *this;
     }
 
     iterator begin() { return iterator(data_.first_); }
@@ -192,53 +200,53 @@ template <typename T> class list
 
     template <class InputIterator> void insert(InputIterator i, InputIterator j)
     {
-        for (; i != j; ++i)
-            push_back(*i);
+      for (; i != j; ++i)
+        push_back(*i);
     }
 
     void push_front(value_type const& v)
     {
-        data_.first_ = new node(v, data_.first_);
-        if (!data_.size_)
-            data_.last_ptr_ = &(*data_.last_ptr_)->next_;
-        ++data_.size_;
+      data_.first_ = new node(v, data_.first_);
+      if (!data_.size_)
+        data_.last_ptr_ = &(*data_.last_ptr_)->next_;
+      ++data_.size_;
     }
 
     void push_back(value_type const& v)
     {
-        *data_.last_ptr_ = new node(v);
-        data_.last_ptr_ = &(*data_.last_ptr_)->next_;
-        ++data_.size_;
+      *data_.last_ptr_ = new node(v);
+      data_.last_ptr_ = &(*data_.last_ptr_)->next_;
+      ++data_.size_;
     }
 
     void clear()
     {
-        while (data_.first_) {
-            node* tmp = data_.first_;
-            data_.first_ = data_.first_->next_;
-            --data_.size_;
-            delete tmp;
-        }
-        data_.last_ptr_ = &data_.first_;
+      while (data_.first_) {
+        node* tmp = data_.first_;
+        data_.first_ = data_.first_->next_;
+        --data_.size_;
+        delete tmp;
+      }
+      data_.last_ptr_ = &data_.first_;
     }
 
     void erase(const_iterator i, const_iterator j)
     {
-        node** ptr = &data_.first_;
+      node** ptr = &data_.first_;
 
-        while (*ptr != i.ptr_) {
-            ptr = &(*ptr)->next_;
-        }
+      while (*ptr != i.ptr_) {
+        ptr = &(*ptr)->next_;
+      }
 
-        while (*ptr != j.ptr_) {
-            node* to_delete = *ptr;
-            *ptr = (*ptr)->next_;
-            --data_.size_;
-            delete to_delete;
-        }
+      while (*ptr != j.ptr_) {
+        node* to_delete = *ptr;
+        *ptr = (*ptr)->next_;
+        --data_.size_;
+        delete to_delete;
+      }
 
-        if (!*ptr)
-            data_.last_ptr_ = ptr;
+      if (!*ptr)
+        data_.last_ptr_ = ptr;
     }
 
     bool empty() const { return !data_.size_; }
@@ -249,14 +257,14 @@ template <typename T> class list
 
     template <typename Less> void sort(Less less = Less())
     {
-        if (!empty())
-            merge_sort(
-                &data_.first_, (std::numeric_limits<size_type>::max)(), less);
+      if (!empty())
+        merge_sort(
+          &data_.first_, (std::numeric_limits<size_type>::max)(), less);
     }
 
     bool operator==(list const& y) const
     {
-        return size() == y.size() && test::equal(begin(), end(), y.begin());
+      return size() == y.size() && test::equal(begin(), end(), y.begin());
     }
 
     bool operator!=(list const& y) const { return !(*this == y); }
@@ -265,56 +273,55 @@ template <typename T> class list
     template <typename Less>
     node** merge_sort(node** l, size_type recurse_limit, Less less)
     {
-        node** ptr = &(*l)->next_;
-        for (size_type count = 0; count < recurse_limit && *ptr; ++count) {
-            ptr = merge_adjacent_ranges(
-                l, ptr, merge_sort(ptr, count, less), less);
-        }
-        return ptr;
+      node** ptr = &(*l)->next_;
+      for (size_type count = 0; count < recurse_limit && *ptr; ++count) {
+        ptr = merge_adjacent_ranges(l, ptr, merge_sort(ptr, count, less), less);
+      }
+      return ptr;
     }
 
     template <typename Less>
     node** merge_adjacent_ranges(
-        node** first, node** second, node** third, Less less)
+      node** first, node** second, node** third, Less less)
     {
+      for (;;) {
         for (;;) {
-            for (;;) {
-                if (first == second)
-                    return third;
-                if (less((*second)->value_, (*first)->value_))
-                    break;
-                first = &(*first)->next_;
-            }
-
-            swap_adjacent_ranges(first, second, third);
-            first = &(*first)->next_;
-
-            // Since the two ranges we just swapped, the order is now:
-            // first...third...second
-
-            for (;;) {
-                if (first == third)
-                    return second;
-                if (!less((*first)->value_, (*third)->value_))
-                    break;
-                first = &(*first)->next_;
-            }
-
-            swap_adjacent_ranges(first, third, second);
-            first = &(*first)->next_;
+          if (first == second)
+            return third;
+          if (less((*second)->value_, (*first)->value_))
+            break;
+          first = &(*first)->next_;
         }
+
+        swap_adjacent_ranges(first, second, third);
+        first = &(*first)->next_;
+
+        // Since the two ranges we just swapped, the order is now:
+        // first...third...second
+
+        for (;;) {
+          if (first == third)
+            return second;
+          if (!less((*first)->value_, (*third)->value_))
+            break;
+          first = &(*first)->next_;
+        }
+
+        swap_adjacent_ranges(first, third, second);
+        first = &(*first)->next_;
+      }
     }
 
     void swap_adjacent_ranges(node** first, node** second, node** third)
     {
-        node* tmp = *first;
-        *first = *second;
-        *second = *third;
-        *third = tmp;
-        if (!*second)
-            data_.last_ptr_ = second;
+      node* tmp = *first;
+      *first = *second;
+      *second = *third;
+      *third = tmp;
+      if (!*second)
+        data_.last_ptr_ = second;
     }
-};
+  };
 }
 
 #endif

test/helpers/memory.hpp

@@ -13,146 +13,177 @@
 #include <memory>
 
 namespace test {
-namespace detail {
-struct memory_area
-{
-    void const* start;
-    void const* end;
-
-    memory_area(void const* s, void const* e) : start(s), end(e)
+  namespace detail {
+    struct memory_area
     {
+      void const* start;
+      void const* end;
+
+      memory_area(void const* s, void const* e) : start(s), end(e)
+      {
         BOOST_ASSERT(start != end);
-    }
-};
+      }
+    };
 
-struct memory_track
-{
-    explicit memory_track(int tag = -1) : constructed_(0), tag_(tag) {}
-
-    int constructed_;
-    int tag_;
-};
-
-// This is a bit dodgy as it defines overlapping
-// areas as 'equal', so this isn't a total ordering.
-// But it is for non-overlapping memory regions - which
-// is what'll be stored.
-//
-// All searches will be for areas entirely contained by
-// a member of the set - so it should find the area that contains
-// the region that is searched for.
-
-struct memory_area_compare
-{
-    bool operator()(memory_area const& x, memory_area const& y) const
+    struct memory_track
     {
-        return x.end <= y.start;
-    }
-};
+      explicit memory_track(int tag = -1) : constructed_(0), tag_(tag) {}
 
-struct memory_tracker
-{
-    typedef std::map<memory_area, memory_track, memory_area_compare,
+      int constructed_;
+      int tag_;
+    };
+
+    // This is a bit dodgy as it defines overlapping
+    // areas as 'equal', so this isn't a total ordering.
+    // But it is for non-overlapping memory regions - which
+    // is what'll be stored.
+    //
+    // All searches will be for areas entirely contained by
+    // a member of the set - so it should find the area that contains
+    // the region that is searched for.
+
+    struct memory_area_compare
+    {
+      bool operator()(memory_area const& x, memory_area const& y) const
+      {
+        return x.end <= y.start;
+      }
+    };
+
+    struct memory_tracker
+    {
+      typedef std::map<memory_area, memory_track, memory_area_compare,
         std::allocator<std::pair<memory_area const, memory_track> > >
         allocated_memory_type;
 
-    allocated_memory_type allocated_memory;
-    unsigned int count_allocators;
-    unsigned int count_allocations;
-    unsigned int count_constructions;
+      allocated_memory_type allocated_memory;
+      unsigned int count_allocators;
+      unsigned int count_allocations;
+      unsigned int count_constructions;
+      bool tracking_constructions;
 
-    memory_tracker()
-        : count_allocators(0), count_allocations(0), count_constructions(0)
-    {
-    }
+      memory_tracker()
+          : count_allocators(0), count_allocations(0), count_constructions(0),
+            tracking_constructions(true)
+      {
+      }
 
-    void allocator_ref()
-    {
+      ~memory_tracker() { BOOST_TEST(count_allocators == 0); }
+
+      void allocator_ref()
+      {
         if (count_allocators == 0) {
+          count_allocations = 0;
+          count_constructions = 0;
+          allocated_memory.clear();
+        }
+        ++count_allocators;
+      }
+
+      void allocator_unref()
+      {
+        BOOST_TEST(count_allocators > 0);
+        if (count_allocators > 0) {
+          --count_allocators;
+          if (count_allocators == 0) {
+            bool no_allocations_left = (count_allocations == 0);
+            bool no_constructions_left = (count_constructions == 0);
+            bool allocated_memory_empty = allocated_memory.empty();
+
+            // Clearing the data before the checks terminate the
+            // tests.
             count_allocations = 0;
             count_constructions = 0;
             allocated_memory.clear();
+
+            BOOST_TEST(no_allocations_left);
+            BOOST_TEST(no_constructions_left);
+            BOOST_TEST(allocated_memory_empty);
+          }
         }
-        ++count_allocators;
-    }
+      }
 
-    void allocator_unref()
-    {
-        BOOST_TEST(count_allocators > 0);
-        if (count_allocators > 0) {
-            --count_allocators;
-            if (count_allocators == 0) {
-                bool no_allocations_left = (count_allocations == 0);
-                bool no_constructions_left = (count_constructions == 0);
-                bool allocated_memory_empty = allocated_memory.empty();
-
-                // Clearing the data before the checks terminate the
-                // tests.
-                count_allocations = 0;
-                count_constructions = 0;
-                allocated_memory.clear();
-
-                BOOST_TEST(no_allocations_left);
-                BOOST_TEST(no_constructions_left);
-                BOOST_TEST(allocated_memory_empty);
-            }
-        }
-    }
-
-    void track_allocate(void* ptr, std::size_t n, std::size_t size, int tag)
-    {
+      void track_allocate(void* ptr, std::size_t n, std::size_t size, int tag)
+      {
         if (n == 0) {
-            BOOST_ERROR("Allocating 0 length array.");
+          BOOST_ERROR("Allocating 0 length array.");
         } else {
-            ++count_allocations;
-            allocated_memory.insert(std::pair<memory_area const, memory_track>(
-                memory_area(ptr, (char*)ptr + n * size), memory_track(tag)));
+          ++count_allocations;
+          allocated_memory.insert(std::pair<memory_area const, memory_track>(
+            memory_area(ptr, (char*)ptr + n * size), memory_track(tag)));
         }
-    }
+      }
 
-    void track_deallocate(void* ptr, std::size_t n, std::size_t size, int tag,
+      void track_deallocate(void* ptr, std::size_t n, std::size_t size, int tag,
         bool check_tag_ = true)
-    {
+      {
         allocated_memory_type::iterator pos =
-            allocated_memory.find(memory_area(ptr, (char*)ptr + n * size));
+          allocated_memory.find(memory_area(ptr, (char*)ptr + n * size));
         if (pos == allocated_memory.end()) {
-            BOOST_ERROR("Deallocating unknown pointer.");
+          BOOST_ERROR("Deallocating unknown pointer.");
         } else {
-            BOOST_TEST(pos->first.start == ptr);
-            BOOST_TEST(pos->first.end == (char*)ptr + n * size);
-            if (check_tag_)
-                BOOST_TEST(pos->second.tag_ == tag);
-            allocated_memory.erase(pos);
+          BOOST_TEST(pos->first.start == ptr);
+          BOOST_TEST(pos->first.end == (char*)ptr + n * size);
+          if (check_tag_)
+            BOOST_TEST(pos->second.tag_ == tag);
+          allocated_memory.erase(pos);
         }
         BOOST_TEST(count_allocations > 0);
         if (count_allocations > 0)
-            --count_allocations;
-    }
+          --count_allocations;
+      }
 
-    void track_construct(void* /*ptr*/, std::size_t /*size*/, int /*tag*/)
-    {
-        ++count_constructions;
-    }
+      void track_construct(void* /*ptr*/, std::size_t /*size*/, int /*tag*/)
+      {
+        if (tracking_constructions) {
+          ++count_constructions;
+        }
+      }
 
-    void track_destroy(void* /*ptr*/, std::size_t /*size*/, int /*tag*/)
-    {
-        BOOST_TEST(count_constructions > 0);
-        if (count_constructions > 0)
+      void track_destroy(void* /*ptr*/, std::size_t /*size*/, int /*tag*/)
+      {
+        if (tracking_constructions) {
+          BOOST_TEST(count_constructions > 0);
+          if (count_constructions > 0)
             --count_constructions;
-    }
-};
-}
+        }
+      }
+    };
+  }
 
-namespace detail {
-// This won't be a problem as I'm only using a single compile unit
-// in each test (this is actually required by the minimal test
-// framework).
-//
-// boostinspect:nounnamed
-namespace {
-test::detail::memory_tracker tracker;
-}
-}
+  namespace detail {
+    // This won't be a problem as I'm only using a single compile unit
+    // in each test (this is actually required by the minimal test
+    // framework).
+    //
+    // boostinspect:nounnamed
+    namespace {
+      test::detail::memory_tracker tracker;
+    }
+  }
+
+  namespace detail {
+    struct disable_construction_tracking
+    {
+      bool old_value;
+
+      disable_construction_tracking()
+          : old_value(detail::tracker.tracking_constructions)
+      {
+        test::detail::tracker.tracking_constructions = false;
+      }
+
+      ~disable_construction_tracking()
+      {
+        test::detail::tracker.tracking_constructions = old_value;
+      }
+
+    private:
+      disable_construction_tracking(disable_construction_tracking const&);
+      disable_construction_tracking& operator=(
+        disable_construction_tracking const&);
+    };
+  }
 }
 
 #endif

test/helpers/metafunctions.hpp

@@ -10,25 +10,21 @@
 #include <boost/type_traits/is_same.hpp>
 
 namespace test {
-template <class Container>
-struct is_set
-    : public boost::is_same<BOOST_DEDUCED_TYPENAME Container::key_type,
-          BOOST_DEDUCED_TYPENAME Container::value_type>
-{
-};
+  template <class Container>
+  struct is_set : public boost::is_same<typename Container::key_type,
+                    typename Container::value_type>
+  {
+  };
 
-template <class Container> struct has_unique_keys
-{
-    static char flip(BOOST_DEDUCED_TYPENAME Container::iterator const&);
-    static long flip(
-        std::pair<BOOST_DEDUCED_TYPENAME Container::iterator, bool> const&);
+  template <class Container> struct has_unique_keys
+  {
+    static char flip(typename Container::iterator const&);
+    static long flip(std::pair<typename Container::iterator, bool> const&);
     BOOST_STATIC_CONSTANT(bool,
-        value = sizeof(long) ==
-                sizeof(flip(
-                    ((Container*)0)
-                        ->insert(*(
-                            BOOST_DEDUCED_TYPENAME Container::value_type*)0))));
-};
+      value = sizeof(long) ==
+              sizeof(flip(
+                ((Container*)0)->insert(*(typename Container::value_type*)0))));
+  };
 }
 
 #endif

test/helpers/random_values.hpp

@@ -13,9 +13,9 @@
 #include <boost/detail/select_type.hpp>
 
 namespace test {
-template <class X> struct unordered_generator_set
-{
-    typedef BOOST_DEDUCED_TYPENAME X::value_type value_type;
+  template <class X> struct unordered_generator_set
+  {
+    typedef typename X::value_type value_type;
 
     random_generator type_;
 
@@ -23,26 +23,26 @@ template <class X> struct unordered_generator_set
 
     template <class T> void fill(T& x, std::size_t len)
     {
-        value_type* value_ptr = 0;
-        len += x.size();
+      value_type* value_ptr = 0;
+      len += x.size();
 
-        for (std::size_t i = 0; i < len; ++i) {
-            value_type value = generate(value_ptr, type_);
+      for (std::size_t i = 0; i < len; ++i) {
+        value_type value = generate(value_ptr, type_);
 
-            std::size_t count =
-                type_ == generate_collisions ? random_value(5) + 1 : 1;
+        std::size_t count =
+          type_ == generate_collisions ? random_value(5) + 1 : 1;
 
-            for (std::size_t j = 0; j < count; ++j) {
-                x.push_back(value);
-            }
+        for (std::size_t j = 0; j < count; ++j) {
+          x.push_back(value);
         }
+      }
     }
-};
+  };
 
-template <class X> struct unordered_generator_map
-{
-    typedef BOOST_DEDUCED_TYPENAME X::key_type key_type;
-    typedef BOOST_DEDUCED_TYPENAME X::mapped_type mapped_type;
+  template <class X> struct unordered_generator_map
+  {
+    typedef typename X::key_type key_type;
+    typedef typename X::mapped_type mapped_type;
 
     random_generator type_;
 
@@ -50,60 +50,60 @@ template <class X> struct unordered_generator_map
 
     template <class T> void fill(T& x, std::size_t len)
     {
-        key_type* key_ptr = 0;
-        mapped_type* mapped_ptr = 0;
+      key_type* key_ptr = 0;
+      mapped_type* mapped_ptr = 0;
 
-        for (std::size_t i = 0; i < len; ++i) {
-            key_type key = generate(key_ptr, type_);
+      for (std::size_t i = 0; i < len; ++i) {
+        key_type key = generate(key_ptr, type_);
 
-            std::size_t count =
-                type_ == generate_collisions ? random_value(5) + 1 : 1;
+        std::size_t count =
+          type_ == generate_collisions ? random_value(5) + 1 : 1;
 
-            for (std::size_t j = 0; j < count; ++j) {
-                x.push_back(std::pair<key_type const, mapped_type>(
-                    key, generate(mapped_ptr, type_)));
-            }
+        for (std::size_t j = 0; j < count; ++j) {
+          x.push_back(std::pair<key_type const, mapped_type>(
+            key, generate(mapped_ptr, type_)));
         }
+      }
     }
-};
+  };
 
-template <class X>
-struct unordered_generator_base
+  template <class X>
+  struct unordered_generator_base
     : public boost::detail::if_true<test::is_set<X>::value>::
-          BOOST_NESTED_TEMPLATE then<test::unordered_generator_set<X>,
-              test::unordered_generator_map<X> >
-{
-};
+        BOOST_NESTED_TEMPLATE then<test::unordered_generator_set<X>,
+          test::unordered_generator_map<X> >
+  {
+  };
 
-template <class X>
-struct unordered_generator : public unordered_generator_base<X>::type
-{
-    typedef BOOST_DEDUCED_TYPENAME unordered_generator_base<X>::type base;
+  template <class X>
+  struct unordered_generator : public unordered_generator_base<X>::type
+  {
+    typedef typename unordered_generator_base<X>::type base;
 
     unordered_generator(random_generator const& type = default_generator)
         : base(type)
     {
     }
-};
+  };
 
-template <class X>
-struct random_values : public test::list<BOOST_DEDUCED_TYPENAME X::value_type>
-{
+  template <class X>
+  struct random_values : public test::list<typename X::value_type>
+  {
     random_values() {}
 
     explicit random_values(std::size_t count,
-        test::random_generator const& generator = test::default_generator)
+      test::random_generator const& generator = test::default_generator)
     {
-        fill(count, generator);
+      fill(count, generator);
     }
 
     void fill(std::size_t count,
-        test::random_generator const& generator = test::default_generator)
+      test::random_generator const& generator = test::default_generator)
     {
-        test::unordered_generator<X> gen(generator);
-        gen.fill(*this, count);
+      test::unordered_generator<X> gen(generator);
+      gen.fill(*this, count);
     }
-};
+  };
 }
 
 #endif

test/helpers/strong.hpp

@@ -13,31 +13,30 @@
 #include <iterator>
 
 namespace test {
-template <class X> class strong
-{
-    typedef test::list<BOOST_DEDUCED_TYPENAME X::value_type> values_type;
+  template <class X> class strong
+  {
+    typedef test::list<typename X::value_type> values_type;
     values_type values_;
     unsigned int allocations_;
 
   public:
     void store(X const& x, unsigned int allocations = 0)
     {
-        DISABLE_EXCEPTIONS;
-        values_.clear();
-        values_.insert(x.cbegin(), x.cend());
-        allocations_ = allocations;
+      DISABLE_EXCEPTIONS;
+      values_.clear();
+      values_.insert(x.cbegin(), x.cend());
+      allocations_ = allocations;
     }
 
     void test(X const& x, unsigned int allocations = 0) const
     {
-        if (!(x.size() == values_.size() &&
-                test::equal(
-                    x.cbegin(), x.cend(), values_.begin(), test::equivalent)))
-            BOOST_ERROR("Strong exception safety failure.");
-        if (allocations != allocations_)
-            BOOST_ERROR("Strong exception failure: extra allocations.");
+      if (!(x.size() == values_.size() && test::equal(x.cbegin(), x.cend(),
+                                            values_.begin(), test::equivalent)))
+        BOOST_ERROR("Strong exception safety failure.");
+      if (allocations != allocations_)
+        BOOST_ERROR("Strong exception failure: extra allocations.");
     }
-};
+  };
 }
 
 #endif

test/helpers/test.hpp

@@ -6,92 +6,143 @@
 #if !defined(BOOST_UNORDERED_TEST_TEST_HEADER)
 #define BOOST_UNORDERED_TEST_TEST_HEADER
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/preprocessor/cat.hpp>
 #include <boost/preprocessor/stringize.hpp>
-#include <iostream>
 
 #define UNORDERED_AUTO_TEST(x)                                                 \
-    struct BOOST_PP_CAT(x, _type) : public ::test::registered_test_base        \
+  struct BOOST_PP_CAT(x, _type) : public ::test::registered_test_base          \
+  {                                                                            \
+    BOOST_PP_CAT(x, _type)                                                     \
+    () : ::test::registered_test_base(BOOST_PP_STRINGIZE(x))                   \
     {                                                                          \
-        BOOST_PP_CAT(x, _type)                                                 \
-        () : ::test::registered_test_base(BOOST_PP_STRINGIZE(x))               \
-        {                                                                      \
-            ::test::test_list::add_test(this);                                 \
-        }                                                                      \
-        void run();                                                            \
-    };                                                                         \
-    BOOST_PP_CAT(x, _type) x;                                                  \
-    void BOOST_PP_CAT(x, _type)::run()
+      ::test::get_state().add_test(this);                                      \
+    }                                                                          \
+    void run();                                                                \
+  };                                                                           \
+  BOOST_PP_CAT(x, _type) x;                                                    \
+  void BOOST_PP_CAT(x, _type)::run()
 
 #define RUN_TESTS()                                                            \
-    int main(int, char**)                                                      \
-    {                                                                          \
-        ::test::write_compiler_info();                                         \
-        ::test::test_list::run_tests();                                        \
-        return boost::report_errors();                                         \
-    }
+  int main(int, char**)                                                        \
+  {                                                                            \
+    BOOST_UNORDERED_TEST_COMPILER_INFO()                                       \
+    ::test::get_state().run_tests();                                           \
+    return boost::report_errors();                                             \
+  }
+
+#define RUN_TESTS_QUIET()                                                      \
+  int main(int, char**)                                                        \
+  {                                                                            \
+    BOOST_UNORDERED_TEST_COMPILER_INFO()                                       \
+    ::test::get_state().run_tests(true);                                       \
+    return boost::report_errors();                                             \
+  }
+
+#define UNORDERED_SUB_TEST(x)                                                  \
+  for (int UNORDERED_SUB_TEST_VALUE = ::test::get_state().start_sub_test(x);   \
+       UNORDERED_SUB_TEST_VALUE;                                               \
+       UNORDERED_SUB_TEST_VALUE =                                              \
+         ::test::get_state().end_sub_test(x, UNORDERED_SUB_TEST_VALUE))
 
 namespace test {
-struct registered_test_base
-{
+
+  struct registered_test_base
+  {
     registered_test_base* next;
     char const* name;
     explicit registered_test_base(char const* n) : name(n) {}
     virtual void run() = 0;
     virtual ~registered_test_base() {}
-};
+  };
 
-namespace test_list {
-static inline registered_test_base*& first()
-{
-    static registered_test_base* ptr = 0;
-    return ptr;
-}
+  struct state
+  {
+    bool is_quiet;
+    registered_test_base* first_test;
+    registered_test_base* last_test;
 
-static inline registered_test_base*& last()
-{
-    static registered_test_base* ptr = 0;
-    return ptr;
-}
+    state() : is_quiet(false), first_test(0), last_test(0) {}
 
-static inline void add_test(registered_test_base* test)
-{
-    if (last()) {
-        last()->next = test;
-    } else {
-        first() = test;
+    void add_test(registered_test_base* test)
+    {
+      if (last_test) {
+        last_test->next = test;
+      } else {
+        first_test = test;
+      }
+      last_test = test;
     }
 
-    last() = test;
-}
+    void run_tests(bool quiet = false)
+    {
+      is_quiet = quiet;
 
-static inline void run_tests()
-{
-    for (registered_test_base* i = first(); i; i = i->next) {
-        std::cout << "Running " << i->name << "\n" << std::flush;
+      for (registered_test_base* i = first_test; i; i = i->next) {
+        int error_count = boost::detail::test_errors();
+        if (!quiet) {
+          BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Running " << i->name << "\n"
+                                         << std::flush;
+        }
         i->run();
-        std::cerr << std::flush;
-        std::cout << std::flush;
+        BOOST_LIGHTWEIGHT_TEST_OSTREAM << std::flush;
+        if (quiet && error_count != boost::detail::test_errors()) {
+          BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Error in: " << i->name << "\n"
+                                         << std::flush;
+        }
+      }
     }
-}
+
+    int start_sub_test(char const* name)
+    {
+      if (!is_quiet) {
+        BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Sub-test: " << name << "\n"
+                                       << std::flush;
+      }
+      // Add one because it's used as a loop condition.
+      return boost::detail::test_errors() + 1;
+    }
+
+    int end_sub_test(char const* name, int value)
+    {
+      if (is_quiet && value != boost::detail::test_errors() + 1) {
+        BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Error in sub-test: " << name << "\n"
+                                       << std::flush;
+      }
+      return 0;
+    }
+  };
+
+  // Get the currnet translation unit's test state.
+  static inline state& get_state()
+  {
+    static state instance;
+    return instance;
+  }
 }
 
-inline void write_compiler_info()
-{
-#if defined(BOOST_GCC_CXX11)
-    char const* cpp11 = "true";
+#if defined(__cplusplus)
+#define BOOST_UNORDERED_CPLUSPLUS __cplusplus
 #else
-    char const* cpp11 = "false";
+#define BOOST_UNORDERED_CPLUSPLUS "(not defined)"
 #endif
 
-    std::cout << "Compiler: " << BOOST_COMPILER << "\n"
-              << "Library: " << BOOST_STDLIB << "\n"
-              << "C++11: " << cpp11 << "\n"
-              << "\n"
-              << std::flush;
-}
-}
+#define BOOST_UNORDERED_TEST_COMPILER_INFO()                                   \
+  {                                                                            \
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM                                             \
+      << "Compiler: " << BOOST_COMPILER << "\n"                                \
+      << "Library: " << BOOST_STDLIB << "\n"                                   \
+      << "__cplusplus: " << BOOST_UNORDERED_CPLUSPLUS << "\n\n"                \
+      << "BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT: "                          \
+      << BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT << "\n"                      \
+      << "BOOST_UNORDERED_EMPLACE_LIMIT: " << BOOST_UNORDERED_EMPLACE_LIMIT    \
+      << "\n"                                                                  \
+      << "BOOST_UNORDERED_USE_ALLOCATOR_TRAITS: "                              \
+      << BOOST_UNORDERED_USE_ALLOCATOR_TRAITS << "\n"                          \
+      << "BOOST_UNORDERED_CXX11_CONSTRUCTION: "                                \
+      << BOOST_UNORDERED_CXX11_CONSTRUCTION << "\n\n"                          \
+      << std::flush;                                                           \
+  }
 
 #include <boost/preprocessor/cat.hpp>
 #include <boost/preprocessor/seq/fold_left.hpp>
@@ -101,25 +152,50 @@ inline void write_compiler_info()
 
 // Run test with every combination of the parameters (a sequence of sequences)
 #define UNORDERED_TEST(name, parameters)                                       \
-    BOOST_PP_SEQ_FOR_EACH_PRODUCT(UNORDERED_TEST_OP, ((name))((1))parameters)
+  BOOST_PP_SEQ_FOR_EACH_PRODUCT(UNORDERED_TEST_OP, ((name))((1))parameters)
 
 #define UNORDERED_TEST_REPEAT(name, n, parameters)                             \
-    BOOST_PP_SEQ_FOR_EACH_PRODUCT(UNORDERED_TEST_OP, ((name))((n))parameters)
+  BOOST_PP_SEQ_FOR_EACH_PRODUCT(UNORDERED_TEST_OP, ((name))((n))parameters)
 
 #define UNORDERED_TEST_OP(r, product)                                          \
-    UNORDERED_TEST_OP2(BOOST_PP_SEQ_ELEM(0, product),                          \
-        BOOST_PP_SEQ_ELEM(1, product),                                         \
-        BOOST_PP_SEQ_TAIL(BOOST_PP_SEQ_TAIL(product)))
+  UNORDERED_TEST_OP2(BOOST_PP_SEQ_ELEM(0, product),                            \
+    BOOST_PP_SEQ_ELEM(1, product),                                             \
+    BOOST_PP_SEQ_TAIL(BOOST_PP_SEQ_TAIL(product)))
 
 #define UNORDERED_TEST_OP2(name, n, params)                                    \
-    UNORDERED_AUTO_TEST(                                                       \
-        BOOST_PP_SEQ_FOLD_LEFT(UNORDERED_TEST_OP_JOIN, name, params))          \
-    {                                                                          \
-        for (int i = 0; i < n; ++i)                                            \
-            name BOOST_PP_SEQ_TO_TUPLE(params);                                \
-    }
+  UNORDERED_AUTO_TEST (                                                        \
+    BOOST_PP_SEQ_FOLD_LEFT(UNORDERED_TEST_OP_JOIN, name, params)) {            \
+    for (int i = 0; i < n; ++i)                                                \
+      name BOOST_PP_SEQ_TO_TUPLE(params);                                      \
+  }
 
 #define UNORDERED_TEST_OP_JOIN(s, state, elem)                                 \
-    BOOST_PP_CAT(state, BOOST_PP_CAT(_, elem))
+  BOOST_PP_CAT(state, BOOST_PP_CAT(_, elem))
+
+#define UNORDERED_MULTI_TEST(name, impl, parameters)                           \
+  UNORDERED_MULTI_TEST_REPEAT(name, impl, 1, parameters)
+
+#define UNORDERED_MULTI_TEST_REPEAT(name, impl, n, parameters)                 \
+  UNORDERED_AUTO_TEST (name) {                                                 \
+    BOOST_PP_SEQ_FOR_EACH_PRODUCT(                                             \
+      UNORDERED_MULTI_TEST_OP, ((impl))((n))parameters)                        \
+  }
+
+#define UNORDERED_MULTI_TEST_OP(r, product)                                    \
+  UNORDERED_MULTI_TEST_OP2(BOOST_PP_SEQ_ELEM(0, product),                      \
+    BOOST_PP_SEQ_ELEM(1, product),                                             \
+    BOOST_PP_SEQ_TAIL(BOOST_PP_SEQ_TAIL(product)))
+
+// Need to wrap UNORDERED_SUB_TEST in a block to avoid an msvc bug.
+// https://support.microsoft.com/en-gb/help/315481/bug-too-many-unnested-loops-incorrectly-causes-a-c1061-compiler-error-in-visual-c
+#define UNORDERED_MULTI_TEST_OP2(name, n, params)                              \
+  {                                                                            \
+    UNORDERED_SUB_TEST(BOOST_PP_STRINGIZE(                                     \
+      BOOST_PP_SEQ_FOLD_LEFT(UNORDERED_TEST_OP_JOIN, name, params)))           \
+    {                                                                          \
+      for (int i = 0; i < n; ++i)                                              \
+        name BOOST_PP_SEQ_TO_TUPLE(params);                                    \
+    }                                                                          \
+  }
 
 #endif

test/helpers/tracker.hpp

@@ -20,84 +20,78 @@
 #include <set>
 
 namespace test {
-template <typename X> struct equals_to_compare
-{
-    typedef std::less<BOOST_DEDUCED_TYPENAME X::first_argument_type> type;
-};
+  template <typename X> struct equals_to_compare
+  {
+    typedef std::less<typename X::first_argument_type> type;
+  };
 
-template <> struct equals_to_compare<test::equal_to>
-{
+  template <> struct equals_to_compare<test::equal_to>
+  {
     typedef test::less type;
-};
+  };
 
-template <class X1, class X2> void compare_range(X1 const& x1, X2 const& x2)
-{
-    typedef test::list<BOOST_DEDUCED_TYPENAME X1::value_type> value_list;
+  template <class X1, class X2> void compare_range(X1 const& x1, X2 const& x2)
+  {
+    typedef test::list<typename X1::value_type> value_list;
     value_list values1(x1.begin(), x1.end());
     value_list values2(x2.begin(), x2.end());
     values1.sort();
     values2.sort();
     BOOST_TEST(values1.size() == values2.size() &&
                test::equal(values1.begin(), values1.end(), values2.begin(),
-                   test::equivalent));
-}
+                 test::equivalent));
+  }
 
-template <class X1, class X2, class T>
-void compare_pairs(X1 const& x1, X2 const& x2, T*)
-{
+  template <class X1, class X2, class T>
+  void compare_pairs(X1 const& x1, X2 const& x2, T*)
+  {
     test::list<T> values1(x1.first, x1.second);
     test::list<T> values2(x2.first, x2.second);
     values1.sort();
     values2.sort();
     BOOST_TEST(values1.size() == values2.size() &&
                test::equal(values1.begin(), values1.end(), values2.begin(),
-                   test::equivalent));
-}
+                 test::equivalent));
+  }
 
-template <typename X, bool is_set = test::is_set<X>::value,
+  template <typename X, bool is_set = test::is_set<X>::value,
     bool has_unique_keys = test::has_unique_keys<X>::value>
-struct ordered_base;
+  struct ordered_base;
 
-template <typename X> struct ordered_base<X, true, true>
-{
-    typedef std::set<BOOST_DEDUCED_TYPENAME X::value_type,
-        BOOST_DEDUCED_TYPENAME
-            equals_to_compare<BOOST_DEDUCED_TYPENAME X::key_equal>::type>
-        type;
-};
+  template <typename X> struct ordered_base<X, true, true>
+  {
+    typedef std::set<typename X::value_type,
+      typename equals_to_compare<typename X::key_equal>::type>
+      type;
+  };
 
-template <typename X> struct ordered_base<X, true, false>
-{
-    typedef std::multiset<BOOST_DEDUCED_TYPENAME X::value_type,
-        BOOST_DEDUCED_TYPENAME
-            equals_to_compare<BOOST_DEDUCED_TYPENAME X::key_equal>::type>
-        type;
-};
+  template <typename X> struct ordered_base<X, true, false>
+  {
+    typedef std::multiset<typename X::value_type,
+      typename equals_to_compare<typename X::key_equal>::type>
+      type;
+  };
 
-template <typename X> struct ordered_base<X, false, true>
-{
-    typedef std::map<BOOST_DEDUCED_TYPENAME X::key_type,
-        BOOST_DEDUCED_TYPENAME X::mapped_type,
-        BOOST_DEDUCED_TYPENAME
-            equals_to_compare<BOOST_DEDUCED_TYPENAME X::key_equal>::type>
-        type;
-};
+  template <typename X> struct ordered_base<X, false, true>
+  {
+    typedef std::map<typename X::key_type, typename X::mapped_type,
+      typename equals_to_compare<typename X::key_equal>::type>
+      type;
+  };
 
-template <typename X> struct ordered_base<X, false, false>
-{
-    typedef std::multimap<BOOST_DEDUCED_TYPENAME X::key_type,
-        BOOST_DEDUCED_TYPENAME X::mapped_type,
-        BOOST_DEDUCED_TYPENAME
-            equals_to_compare<BOOST_DEDUCED_TYPENAME X::key_equal>::type>
-        type;
-};
+  template <typename X> struct ordered_base<X, false, false>
+  {
+    typedef std::multimap<typename X::key_type, typename X::mapped_type,
+      typename equals_to_compare<typename X::key_equal>::type>
+      type;
+  };
 
-template <class X> class ordered : public ordered_base<X>::type
-{
-    typedef BOOST_DEDUCED_TYPENAME ordered_base<X>::type base;
+  template <class X> class ordered : public ordered_base<X>::type
+  {
+    typedef typename ordered_base<X>::type base;
 
   public:
-    typedef BOOST_DEDUCED_TYPENAME base::key_compare key_compare;
+    typedef typename base::key_compare key_compare;
 
     ordered() : base() {}
 
@@ -105,43 +99,40 @@ template <class X> class ordered : public ordered_base<X>::type
 
     void compare(X const& x) { compare_range(x, *this); }
 
-    void compare_key(
-        X const& x, BOOST_DEDUCED_TYPENAME X::value_type const& val)
+    void compare_key(X const& x, typename X::value_type const& val)
     {
-        compare_pairs(x.equal_range(get_key<X>(val)),
-            this->equal_range(get_key<X>(val)),
-            (BOOST_DEDUCED_TYPENAME X::value_type*)0);
+      compare_pairs(x.equal_range(get_key<X>(val)),
+        this->equal_range(get_key<X>(val)), (typename X::value_type*)0);
     }
 
     template <class It> void insert_range(It b, It e)
     {
-        while (b != e) {
-            this->insert(*b);
-            ++b;
-        }
+      while (b != e) {
+        this->insert(*b);
+        ++b;
+      }
     }
-};
+  };
 
-template <class Equals>
-BOOST_DEDUCED_TYPENAME equals_to_compare<Equals>::type create_compare(
-    Equals const&)
-{
-    BOOST_DEDUCED_TYPENAME equals_to_compare<Equals>::type x;
+  template <class Equals>
+  typename equals_to_compare<Equals>::type create_compare(Equals const&)
+  {
+    typename equals_to_compare<Equals>::type x;
     return x;
-}
+  }
 
-template <class X> ordered<X> create_ordered(X const& container)
-{
+  template <class X> ordered<X> create_ordered(X const& container)
+  {
     return ordered<X>(create_compare(container.key_eq()));
-}
+  }
 
-template <class X1, class X2>
-void check_container(X1 const& container, X2 const& values)
-{
+  template <class X1, class X2>
+  void check_container(X1 const& container, X2 const& values)
+  {
     ordered<X1> tracker = create_ordered(container);
     tracker.insert_range(values.begin(), values.end());
     tracker.compare(container);
-}
+  }
 }
 
 #endif

test/objects/cxx11_allocator.hpp

@@ -14,141 +14,141 @@
 #include "../helpers/memory.hpp"
 
 namespace test {
-struct allocator_false
-{
+  struct allocator_false
+  {
     enum
     {
-        is_select_on_copy = 0,
-        is_propagate_on_swap = 0,
-        is_propagate_on_assign = 0,
-        is_propagate_on_move = 0,
-        cxx11_construct = 0
+      is_select_on_copy = 0,
+      is_propagate_on_swap = 0,
+      is_propagate_on_assign = 0,
+      is_propagate_on_move = 0,
+      cxx11_construct = 0
     };
-};
+  };
 
-struct allocator_flags_all
-{
+  struct allocator_flags_all
+  {
     enum
     {
-        is_select_on_copy = 1,
-        is_propagate_on_swap = 1,
-        is_propagate_on_assign = 1,
-        is_propagate_on_move = 1,
-        cxx11_construct = 1
+      is_select_on_copy = 1,
+      is_propagate_on_swap = 1,
+      is_propagate_on_assign = 1,
+      is_propagate_on_move = 1,
+      cxx11_construct = 1
     };
-};
+  };
 
-struct select_copy : allocator_false
-{
+  struct select_copy : allocator_false
+  {
     enum
     {
-        is_select_on_copy = 1
+      is_select_on_copy = 1
     };
-};
-struct propagate_swap : allocator_false
-{
+  };
+  struct propagate_swap : allocator_false
+  {
     enum
     {
-        is_propagate_on_swap = 1
+      is_propagate_on_swap = 1
     };
-};
-struct propagate_assign : allocator_false
-{
+  };
+  struct propagate_assign : allocator_false
+  {
     enum
     {
-        is_propagate_on_assign = 1
+      is_propagate_on_assign = 1
     };
-};
-struct propagate_move : allocator_false
-{
+  };
+  struct propagate_move : allocator_false
+  {
     enum
     {
-        is_propagate_on_move = 1
+      is_propagate_on_move = 1
     };
-};
+  };
 
-struct no_select_copy : allocator_flags_all
-{
+  struct no_select_copy : allocator_flags_all
+  {
     enum
     {
-        is_select_on_copy = 0
+      is_select_on_copy = 0
     };
-};
-struct no_propagate_swap : allocator_flags_all
-{
+  };
+  struct no_propagate_swap : allocator_flags_all
+  {
     enum
     {
-        is_propagate_on_swap = 0
+      is_propagate_on_swap = 0
     };
-};
-struct no_propagate_assign : allocator_flags_all
-{
+  };
+  struct no_propagate_assign : allocator_flags_all
+  {
     enum
     {
-        is_propagate_on_assign = 0
+      is_propagate_on_assign = 0
     };
-};
-struct no_propagate_move : allocator_flags_all
-{
+  };
+  struct no_propagate_move : allocator_flags_all
+  {
     enum
     {
-        is_propagate_on_move = 0
+      is_propagate_on_move = 0
     };
-};
+  };
 
-template <typename Flag> struct swap_allocator_base
-{
+  template <typename Flag> struct swap_allocator_base
+  {
     struct propagate_on_container_swap
     {
-        enum
-        {
-            value = Flag::is_propagate_on_swap
-        };
+      enum
+      {
+        value = Flag::is_propagate_on_swap
+      };
     };
-};
+  };
 
-template <typename Flag> struct assign_allocator_base
-{
+  template <typename Flag> struct assign_allocator_base
+  {
     struct propagate_on_container_copy_assignment
     {
-        enum
-        {
-            value = Flag::is_propagate_on_assign
-        };
+      enum
+      {
+        value = Flag::is_propagate_on_assign
+      };
     };
-};
+  };
 
-template <typename Flag> struct move_allocator_base
-{
+  template <typename Flag> struct move_allocator_base
+  {
     struct propagate_on_container_move_assignment
     {
-        enum
-        {
-            value = Flag::is_propagate_on_move
-        };
+      enum
+      {
+        value = Flag::is_propagate_on_move
+      };
     };
-};
+  };
 
-namespace {
-// boostinspect:nounnamed
-bool force_equal_allocator_value = false;
-}
+  namespace {
+    // boostinspect:nounnamed
+    bool force_equal_allocator_value = false;
+  }
 
-struct force_equal_allocator
-{
+  struct force_equal_allocator
+  {
     bool old_value_;
 
     explicit force_equal_allocator(bool value)
         : old_value_(force_equal_allocator_value)
     {
-        force_equal_allocator_value = value;
+      force_equal_allocator_value = value;
     }
 
     ~force_equal_allocator() { force_equal_allocator_value = old_value_; }
-};
+  };
 
-template <typename T> struct cxx11_allocator_base
-{
+  template <typename T> struct cxx11_allocator_base
+  {
     int tag_;
     int selected_;
 
@@ -162,20 +162,20 @@ template <typename T> struct cxx11_allocator_base
 
     explicit cxx11_allocator_base(int t) : tag_(t), selected_(0)
     {
-        detail::tracker.allocator_ref();
+      detail::tracker.allocator_ref();
     }
 
     template <typename Y>
     cxx11_allocator_base(cxx11_allocator_base<Y> const& x)
         : tag_(x.tag_), selected_(x.selected_)
     {
-        detail::tracker.allocator_ref();
+      detail::tracker.allocator_ref();
     }
 
     cxx11_allocator_base(cxx11_allocator_base const& x)
         : tag_(x.tag_), selected_(x.selected_)
     {
-        detail::tracker.allocator_ref();
+      detail::tracker.allocator_ref();
     }
 
     ~cxx11_allocator_base() { detail::tracker.allocator_unref(); }
@@ -186,71 +186,71 @@ template <typename T> struct cxx11_allocator_base
 
     pointer allocate(size_type n)
     {
-        pointer ptr(static_cast<T*>(::operator new(n * sizeof(T))));
-        detail::tracker.track_allocate((void*)ptr, n, sizeof(T), tag_);
-        return ptr;
+      pointer ptr(static_cast<T*>(::operator new(n * sizeof(T))));
+      detail::tracker.track_allocate((void*)ptr, n, sizeof(T), tag_);
+      return ptr;
     }
 
     pointer allocate(size_type n, void const*)
     {
-        pointer ptr(static_cast<T*>(::operator new(n * sizeof(T))));
-        detail::tracker.track_allocate((void*)ptr, n, sizeof(T), tag_);
-        return ptr;
+      pointer ptr(static_cast<T*>(::operator new(n * sizeof(T))));
+      detail::tracker.track_allocate((void*)ptr, n, sizeof(T), tag_);
+      return ptr;
     }
 
     void deallocate(pointer p, size_type n)
     {
-        // Only checking tags when propagating swap.
-        // Note that tags will be tested
-        // properly in the normal allocator.
-        detail::tracker.track_deallocate(
-            (void*)p, n, sizeof(T), tag_, !force_equal_allocator_value);
-        ::operator delete((void*)p);
+      // Only checking tags when propagating swap.
+      // Note that tags will be tested
+      // properly in the normal allocator.
+      detail::tracker.track_deallocate(
+        (void*)p, n, sizeof(T), tag_, !force_equal_allocator_value);
+      ::operator delete((void*)p);
     }
 
     void construct(T* p, T const& t)
     {
-        detail::tracker.track_construct((void*)p, sizeof(T), tag_);
-        new (p) T(t);
+      detail::tracker.track_construct((void*)p, sizeof(T), tag_);
+      new (p) T(t);
     }
 
 #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
     template <typename... Args>
     void construct(T* p, BOOST_FWD_REF(Args)... args)
     {
-        detail::tracker.track_construct((void*)p, sizeof(T), tag_);
-        new (p) T(boost::forward<Args>(args)...);
+      detail::tracker.track_construct((void*)p, sizeof(T), tag_);
+      new (p) T(boost::forward<Args>(args)...);
     }
 #endif
 
     void destroy(T* p)
     {
-        detail::tracker.track_destroy((void*)p, sizeof(T), tag_);
-        p->~T();
+      detail::tracker.track_destroy((void*)p, sizeof(T), tag_);
+      p->~T();
     }
 
     size_type max_size() const
     {
-        return (std::numeric_limits<size_type>::max)();
+      return (std::numeric_limits<size_type>::max)();
     }
-};
+  };
 
-template <typename T, typename Flags = propagate_swap, typename Enable = void>
-struct cxx11_allocator;
+  template <typename T, typename Flags = propagate_swap, typename Enable = void>
+  struct cxx11_allocator;
 
-template <typename T, typename Flags>
-struct cxx11_allocator<T, Flags,
+  template <typename T, typename Flags>
+  struct cxx11_allocator<T, Flags,
     typename boost::disable_if_c<Flags::is_select_on_copy>::type>
     : public cxx11_allocator_base<T>,
       public swap_allocator_base<Flags>,
       public assign_allocator_base<Flags>,
       public move_allocator_base<Flags>,
       Flags
-{
+  {
 #if BOOST_WORKAROUND(BOOST_GCC_VERSION, < 402000)
     template <typename U> struct rebind
     {
-        typedef cxx11_allocator<U, Flags> other;
+      typedef cxx11_allocator<U, Flags> other;
     };
 #endif
 
@@ -268,32 +268,32 @@ struct cxx11_allocator<T, Flags,
     // to avoid undefined behaviour.
     bool operator==(cxx11_allocator const& x) const
     {
-        return force_equal_allocator_value || (this->tag_ == x.tag_);
+      return force_equal_allocator_value || (this->tag_ == x.tag_);
     }
 
     bool operator!=(cxx11_allocator const& x) const { return !(*this == x); }
-};
+  };
 
-template <typename T, typename Flags>
-struct cxx11_allocator<T, Flags,
+  template <typename T, typename Flags>
+  struct cxx11_allocator<T, Flags,
     typename boost::enable_if_c<Flags::is_select_on_copy>::type>
     : public cxx11_allocator_base<T>,
       public swap_allocator_base<Flags>,
       public assign_allocator_base<Flags>,
       public move_allocator_base<Flags>,
       Flags
-{
+  {
     cxx11_allocator select_on_container_copy_construction() const
     {
-        cxx11_allocator tmp(*this);
-        ++tmp.selected_;
-        return tmp;
+      cxx11_allocator tmp(*this);
+      ++tmp.selected_;
+      return tmp;
     }
 
 #if BOOST_WORKAROUND(BOOST_GCC_VERSION, < 402000)
     template <typename U> struct rebind
     {
-        typedef cxx11_allocator<U, Flags> other;
+      typedef cxx11_allocator<U, Flags> other;
     };
 #endif
 
@@ -311,34 +311,34 @@ struct cxx11_allocator<T, Flags,
     // to avoid undefined behaviour.
     bool operator==(cxx11_allocator const& x) const
     {
-        return force_equal_allocator_value || (this->tag_ == x.tag_);
+      return force_equal_allocator_value || (this->tag_ == x.tag_);
     }
 
     bool operator!=(cxx11_allocator const& x) const { return !(*this == x); }
-};
+  };
 
-template <typename T, typename Flags>
-bool equivalent_impl(cxx11_allocator<T, Flags> const& x,
+  template <typename T, typename Flags>
+  bool equivalent_impl(cxx11_allocator<T, Flags> const& x,
     cxx11_allocator<T, Flags> const& y, test::derived_type)
-{
+  {
     return x.tag_ == y.tag_;
-}
+  }
 
-// Function to check how many times an allocator has been selected,
-// return 0 for other allocators.
+  // Function to check how many times an allocator has been selected,
+  // return 0 for other allocators.
 
-struct convert_from_anything
-{
+  struct convert_from_anything
+  {
     template <typename T> convert_from_anything(T const&) {}
-};
+  };
 
-inline int selected_count(convert_from_anything) { return 0; }
+  inline int selected_count(convert_from_anything) { return 0; }
 
-template <typename T, typename Flags>
-int selected_count(cxx11_allocator<T, Flags> const& x)
-{
+  template <typename T, typename Flags>
+  int selected_count(cxx11_allocator<T, Flags> const& x)
+  {
     return x.selected_;
-}
+  }
 }
 
 #endif

test/objects/fwd.hpp

@@ -7,11 +7,11 @@
 #define BOOST_UNORDERED_TEST_OBJECTS_FWD_HEADER
 
 namespace test {
-class object;
-class hash;
-class less;
-class equal_to;
-template <class T> class allocator;
+  class object;
+  class hash;
+  class less;
+  class equal_to;
+  template <class T> class allocator;
 }
 
 #endif

test/objects/test.hpp

@@ -14,25 +14,25 @@
 #include <cstddef>
 
 namespace test {
-// Note that the default hash function will work for any equal_to (but not
-// very well).
-class object;
-class movable;
-class implicitly_convertible;
-class hash;
-class less;
-class equal_to;
-template <class T> class allocator1;
-template <class T> class allocator2;
-object generate(object const*, random_generator);
-movable generate(movable const*, random_generator);
-implicitly_convertible generate(
+  // Note that the default hash function will work for any equal_to (but not
+  // very well).
+  class object;
+  class movable;
+  class implicitly_convertible;
+  class hash;
+  class less;
+  class equal_to;
+  template <class T> class allocator1;
+  template <class T> class allocator2;
+  object generate(object const*, random_generator);
+  movable generate(movable const*, random_generator);
+  implicitly_convertible generate(
     implicitly_convertible const*, random_generator);
 
-inline void ignore_variable(void const*) {}
+  inline void ignore_variable(void const*) {}
 
-class object : private counted_object
-{
+  class object : private counted_object
+  {
     friend class hash;
     friend class equal_to;
     friend class less;
@@ -43,40 +43,40 @@ class object : private counted_object
 
     ~object()
     {
-        tag1_ = -1;
-        tag2_ = -1;
+      tag1_ = -1;
+      tag2_ = -1;
     }
 
     friend bool operator==(object const& x1, object const& x2)
     {
-        return x1.tag1_ == x2.tag1_ && x1.tag2_ == x2.tag2_;
+      return x1.tag1_ == x2.tag1_ && x1.tag2_ == x2.tag2_;
     }
 
     friend bool operator!=(object const& x1, object const& x2)
     {
-        return x1.tag1_ != x2.tag1_ || x1.tag2_ != x2.tag2_;
+      return x1.tag1_ != x2.tag1_ || x1.tag2_ != x2.tag2_;
     }
 
     friend bool operator<(object const& x1, object const& x2)
     {
-        return x1.tag1_ < x2.tag1_ ||
-               (x1.tag1_ == x2.tag1_ && x1.tag2_ < x2.tag2_);
+      return x1.tag1_ < x2.tag1_ ||
+             (x1.tag1_ == x2.tag1_ && x1.tag2_ < x2.tag2_);
     }
 
     friend object generate(object const*, random_generator g)
     {
-        int* x = 0;
-        return object(generate(x, g), generate(x, g));
+      int* x = 0;
+      return object(generate(x, g), generate(x, g));
     }
 
     friend std::ostream& operator<<(std::ostream& out, object const& o)
     {
-        return out << "(" << o.tag1_ << "," << o.tag2_ << ")";
+      return out << "(" << o.tag1_ << "," << o.tag2_ << ")";
     }
-};
+  };
 
-class movable : private counted_object
-{
+  class movable : private counted_object
+  {
     friend class hash;
     friend class equal_to;
     friend class less;
@@ -89,74 +89,74 @@ class movable : private counted_object
     movable(movable const& x)
         : counted_object(x), tag1_(x.tag1_), tag2_(x.tag2_)
     {
-        BOOST_TEST(x.tag1_ != -1);
+      BOOST_TEST(x.tag1_ != -1);
     }
 
     movable(BOOST_RV_REF(movable) x)
         : counted_object(x), tag1_(x.tag1_), tag2_(x.tag2_)
     {
-        BOOST_TEST(x.tag1_ != -1);
-        x.tag1_ = -1;
-        x.tag2_ = -1;
+      BOOST_TEST(x.tag1_ != -1);
+      x.tag1_ = -1;
+      x.tag2_ = -1;
     }
 
     movable& operator=(BOOST_COPY_ASSIGN_REF(movable) x) // Copy assignment
     {
-        BOOST_TEST(x.tag1_ != -1);
-        tag1_ = x.tag1_;
-        tag2_ = x.tag2_;
-        return *this;
+      BOOST_TEST(x.tag1_ != -1);
+      tag1_ = x.tag1_;
+      tag2_ = x.tag2_;
+      return *this;
     }
 
     movable& operator=(BOOST_RV_REF(movable) x) // Move assignment
     {
-        BOOST_TEST(x.tag1_ != -1);
-        tag1_ = x.tag1_;
-        tag2_ = x.tag2_;
-        x.tag1_ = -1;
-        x.tag2_ = -1;
-        return *this;
+      BOOST_TEST(x.tag1_ != -1);
+      tag1_ = x.tag1_;
+      tag2_ = x.tag2_;
+      x.tag1_ = -1;
+      x.tag2_ = -1;
+      return *this;
     }
 
     ~movable()
     {
-        tag1_ = -1;
-        tag2_ = -1;
+      tag1_ = -1;
+      tag2_ = -1;
     }
 
     friend bool operator==(movable const& x1, movable const& x2)
     {
-        BOOST_TEST(x1.tag1_ != -1 && x2.tag1_ != -1);
-        return x1.tag1_ == x2.tag1_ && x1.tag2_ == x2.tag2_;
+      BOOST_TEST(x1.tag1_ != -1 && x2.tag1_ != -1);
+      return x1.tag1_ == x2.tag1_ && x1.tag2_ == x2.tag2_;
     }
 
     friend bool operator!=(movable const& x1, movable const& x2)
     {
-        BOOST_TEST(x1.tag1_ != -1 && x2.tag1_ != -1);
-        return x1.tag1_ != x2.tag1_ || x1.tag2_ != x2.tag2_;
+      BOOST_TEST(x1.tag1_ != -1 && x2.tag1_ != -1);
+      return x1.tag1_ != x2.tag1_ || x1.tag2_ != x2.tag2_;
     }
 
     friend bool operator<(movable const& x1, movable const& x2)
     {
-        BOOST_TEST(x1.tag1_ != -1 && x2.tag1_ != -1);
-        return x1.tag1_ < x2.tag1_ ||
-               (x1.tag1_ == x2.tag1_ && x1.tag2_ < x2.tag2_);
+      BOOST_TEST(x1.tag1_ != -1 && x2.tag1_ != -1);
+      return x1.tag1_ < x2.tag1_ ||
+             (x1.tag1_ == x2.tag1_ && x1.tag2_ < x2.tag2_);
     }
 
     friend movable generate(movable const*, random_generator g)
     {
-        int* x = 0;
-        return movable(generate(x, g), generate(x, g));
+      int* x = 0;
+      return movable(generate(x, g), generate(x, g));
     }
 
     friend std::ostream& operator<<(std::ostream& out, movable const& o)
     {
-        return out << "(" << o.tag1_ << "," << o.tag2_ << ")";
+      return out << "(" << o.tag1_ << "," << o.tag2_ << ")";
     }
-};
+  };
 
-class implicitly_convertible : private counted_object
-{
+  class implicitly_convertible : private counted_object
+  {
     int tag1_, tag2_;
 
   public:
@@ -170,92 +170,94 @@ class implicitly_convertible : private counted_object
     operator movable() const { return movable(tag1_, tag2_); }
 
     friend implicitly_convertible generate(
-        implicitly_convertible const*, random_generator g)
+      implicitly_convertible const*, random_generator g)
     {
-        int* x = 0;
-        return implicitly_convertible(generate(x, g), generate(x, g));
+      int* x = 0;
+      return implicitly_convertible(generate(x, g), generate(x, g));
     }
 
     friend std::ostream& operator<<(
-        std::ostream& out, implicitly_convertible const& o)
+      std::ostream& out, implicitly_convertible const& o)
     {
-        return out << "(" << o.tag1_ << "," << o.tag2_ << ")";
+      return out << "(" << o.tag1_ << "," << o.tag2_ << ")";
     }
-};
+  };
 
-// Note: This is a deliberately bad hash function.
-class hash
-{
+  // Note: This is a deliberately bad hash function.
+  class hash
+  {
     int type_;
 
   public:
-    explicit hash(int t = 0) : type_(t) {}
+    hash() : type_(0) {}
+
+    explicit hash(int t) : type_(t) {}
 
     std::size_t operator()(object const& x) const
     {
-        int result;
-        switch (type_) {
-        case 1:
-            result = x.tag1_;
-            break;
-        case 2:
-            result = x.tag2_;
-            break;
-        default:
-            result = x.tag1_ + x.tag2_;
-        }
-        return static_cast<std::size_t>(result);
+      int result;
+      switch (type_) {
+      case 1:
+        result = x.tag1_;
+        break;
+      case 2:
+        result = x.tag2_;
+        break;
+      default:
+        result = x.tag1_ + x.tag2_;
+      }
+      return static_cast<std::size_t>(result);
     }
 
     std::size_t operator()(movable const& x) const
     {
-        int result;
-        switch (type_) {
-        case 1:
-            result = x.tag1_;
-            break;
-        case 2:
-            result = x.tag2_;
-            break;
-        default:
-            result = x.tag1_ + x.tag2_;
-        }
-        return static_cast<std::size_t>(result);
+      int result;
+      switch (type_) {
+      case 1:
+        result = x.tag1_;
+        break;
+      case 2:
+        result = x.tag2_;
+        break;
+      default:
+        result = x.tag1_ + x.tag2_;
+      }
+      return static_cast<std::size_t>(result);
     }
 
     std::size_t operator()(int x) const
     {
-        int result;
-        switch (type_) {
-        case 1:
-            result = x;
-            break;
-        case 2:
-            result = x * 7;
-            break;
-        default:
-            result = x * 256;
-        }
-        return static_cast<std::size_t>(result);
+      int result;
+      switch (type_) {
+      case 1:
+        result = x;
+        break;
+      case 2:
+        result = x * 7;
+        break;
+      default:
+        result = x * 256;
+      }
+      return static_cast<std::size_t>(result);
     }
 
     friend bool operator==(hash const& x1, hash const& x2)
     {
-        return x1.type_ == x2.type_;
+      return x1.type_ == x2.type_;
     }
 
     friend bool operator!=(hash const& x1, hash const& x2)
     {
-        return x1.type_ != x2.type_;
+      return x1.type_ != x2.type_;
     }
-};
+  };
 
-std::size_t hash_value(test::object const& x) { return hash()(x); }
+  std::size_t hash_value(test::object const& x) { return hash()(x); }
 
-std::size_t hash_value(test::movable const& x) { return hash()(x); }
+  std::size_t hash_value(test::movable const& x) { return hash()(x); }
 
-class less
-{
+  class less
+  {
     int type_;
 
   public:
@@ -263,87 +265,89 @@ class less
 
     bool operator()(object const& x1, object const& x2) const
     {
-        switch (type_) {
-        case 1:
-            return x1.tag1_ < x2.tag1_;
-        case 2:
-            return x1.tag2_ < x2.tag2_;
-        default:
-            return x1 < x2;
-        }
+      switch (type_) {
+      case 1:
+        return x1.tag1_ < x2.tag1_;
+      case 2:
+        return x1.tag2_ < x2.tag2_;
+      default:
+        return x1 < x2;
+      }
     }
 
     bool operator()(movable const& x1, movable const& x2) const
     {
-        switch (type_) {
-        case 1:
-            return x1.tag1_ < x2.tag1_;
-        case 2:
-            return x1.tag2_ < x2.tag2_;
-        default:
-            return x1 < x2;
-        }
+      switch (type_) {
+      case 1:
+        return x1.tag1_ < x2.tag1_;
+      case 2:
+        return x1.tag2_ < x2.tag2_;
+      default:
+        return x1 < x2;
+      }
     }
 
     std::size_t operator()(int x1, int x2) const { return x1 < x2; }
 
     friend bool operator==(less const& x1, less const& x2)
     {
-        return x1.type_ == x2.type_;
+      return x1.type_ == x2.type_;
     }
-};
+  };
 
-class equal_to
-{
+  class equal_to
+  {
     int type_;
 
   public:
-    explicit equal_to(int t = 0) : type_(t) {}
+    equal_to() : type_(0) {}
+
+    explicit equal_to(int t) : type_(t) {}
 
     bool operator()(object const& x1, object const& x2) const
     {
-        switch (type_) {
-        case 1:
-            return x1.tag1_ == x2.tag1_;
-        case 2:
-            return x1.tag2_ == x2.tag2_;
-        default:
-            return x1 == x2;
-        }
+      switch (type_) {
+      case 1:
+        return x1.tag1_ == x2.tag1_;
+      case 2:
+        return x1.tag2_ == x2.tag2_;
+      default:
+        return x1 == x2;
+      }
     }
 
     bool operator()(movable const& x1, movable const& x2) const
     {
-        switch (type_) {
-        case 1:
-            return x1.tag1_ == x2.tag1_;
-        case 2:
-            return x1.tag2_ == x2.tag2_;
-        default:
-            return x1 == x2;
-        }
+      switch (type_) {
+      case 1:
+        return x1.tag1_ == x2.tag1_;
+      case 2:
+        return x1.tag2_ == x2.tag2_;
+      default:
+        return x1 == x2;
+      }
     }
 
     std::size_t operator()(int x1, int x2) const { return x1 == x2; }
 
     friend bool operator==(equal_to const& x1, equal_to const& x2)
     {
-        return x1.type_ == x2.type_;
+      return x1.type_ == x2.type_;
     }
 
     friend bool operator!=(equal_to const& x1, equal_to const& x2)
     {
-        return x1.type_ != x2.type_;
+      return x1.type_ != x2.type_;
     }
 
     friend less create_compare(equal_to x) { return less(x.type_); }
-};
+  };
 
-// allocator1 only has the old fashioned 'construct' method and has
-// a few less typedefs. allocator2 uses a custom pointer class.
+  // allocator1 only has the old fashioned 'construct' method and has
+  // a few less typedefs. allocator2 uses a custom pointer class.
 
-template <class T> class allocator1
-{
+  template <class T> class allocator1
+  {
   public:
     int tag_;
 
@@ -351,61 +355,76 @@ template <class T> class allocator1
 
     template <class U> struct rebind
     {
-        typedef allocator1<U> other;
+      typedef allocator1<U> other;
     };
 
-    explicit allocator1(int t = 0) : tag_(t)
-    {
-        detail::tracker.allocator_ref();
-    }
+    allocator1() : tag_(0) { detail::tracker.allocator_ref(); }
+
+    explicit allocator1(int t) : tag_(t) { detail::tracker.allocator_ref(); }
 
     template <class Y> allocator1(allocator1<Y> const& x) : tag_(x.tag_)
     {
-        detail::tracker.allocator_ref();
+      detail::tracker.allocator_ref();
     }
 
     allocator1(allocator1 const& x) : tag_(x.tag_)
     {
-        detail::tracker.allocator_ref();
+      detail::tracker.allocator_ref();
     }
 
     ~allocator1() { detail::tracker.allocator_unref(); }
 
     T* allocate(std::size_t n)
     {
-        T* ptr(static_cast<T*>(::operator new(n * sizeof(T))));
-        detail::tracker.track_allocate((void*)ptr, n, sizeof(T), tag_);
-        return ptr;
+      T* ptr(static_cast<T*>(::operator new(n * sizeof(T))));
+      detail::tracker.track_allocate((void*)ptr, n, sizeof(T), tag_);
+      return ptr;
     }
 
     T* allocate(std::size_t n, void const*)
     {
-        T* ptr(static_cast<T*>(::operator new(n * sizeof(T))));
-        detail::tracker.track_allocate((void*)ptr, n, sizeof(T), tag_);
-        return ptr;
+      T* ptr(static_cast<T*>(::operator new(n * sizeof(T))));
+      detail::tracker.track_allocate((void*)ptr, n, sizeof(T), tag_);
+      return ptr;
     }
 
     void deallocate(T* p, std::size_t n)
     {
-        detail::tracker.track_deallocate((void*)p, n, sizeof(T), tag_);
-        ::operator delete((void*)p);
+      detail::tracker.track_deallocate((void*)p, n, sizeof(T), tag_);
+      ::operator delete((void*)p);
     }
 
-    void construct(T* p, T const& t)
+#if BOOST_UNORDERED_CXX11_CONSTRUCTION
+    template <typename U, typename... Args> void construct(U* p, Args&&... args)
     {
-        // Don't count constructions here as it isn't always called.
-        // detail::tracker.track_construct((void*) p, sizeof(T), tag_);
-        new (p) T(t);
+      detail::tracker.track_construct((void*)p, sizeof(U), tag_);
+      new (p) U(boost::forward<Args>(args)...);
     }
 
-    void destroy(T* p)
+    template <typename U> void destroy(U* p)
     {
-        // detail::tracker.track_destroy((void*) p, sizeof(T), tag_);
-        p->~T();
+      detail::tracker.track_destroy((void*)p, sizeof(U), tag_);
+      p->~U();
 
-        // Work around MSVC buggy unused parameter warning.
-        ignore_variable(&p);
+      // Work around MSVC buggy unused parameter warning.
+      ignore_variable(&p);
     }
+#else
+  private:
+    // I'm going to claim in the documentation that construct/destroy
+    // is never used when C++11 support isn't available, so might as
+    // well check that in the text.
+    // TODO: Or maybe just disallow them for values?
+    template <typename U> void construct(U* p);
+    template <typename U, typename A0> void construct(U* p, A0 const&);
+    template <typename U, typename A0, typename A1>
+    void construct(U* p, A0 const&, A1 const&);
+    template <typename U, typename A0, typename A1, typename A2>
+    void construct(U* p, A0 const&, A1 const&, A2 const&);
+    template <typename U> void destroy(U* p);
+
+  public:
+#endif
 
     bool operator==(allocator1 const& x) const { return tag_ == x.tag_; }
 
@@ -413,18 +432,18 @@ template <class T> class allocator1
 
     enum
     {
-        is_select_on_copy = false,
-        is_propagate_on_swap = false,
-        is_propagate_on_assign = false,
-        is_propagate_on_move = false
+      is_select_on_copy = false,
+      is_propagate_on_swap = false,
+      is_propagate_on_assign = false,
+      is_propagate_on_move = false
     };
-};
+  };
 
-template <class T> class ptr;
-template <class T> class const_ptr;
+  template <class T> class ptr;
+  template <class T> class const_ptr;
 
-struct void_ptr
-{
+  struct void_ptr
+  {
 #if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS)
     template <typename T> friend class ptr;
 
@@ -444,10 +463,10 @@ struct void_ptr
 
     bool operator==(void_ptr const& x) const { return ptr_ == x.ptr_; }
     bool operator!=(void_ptr const& x) const { return ptr_ != x.ptr_; }
-};
+  };
 
-class void_const_ptr
-{
+  class void_const_ptr
+  {
 #if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS)
     template <typename T> friend class const_ptr;
 
@@ -470,10 +489,10 @@ class void_const_ptr
 
     bool operator==(void_const_ptr const& x) const { return ptr_ == x.ptr_; }
     bool operator!=(void_const_ptr const& x) const { return ptr_ != x.ptr_; }
-};
+  };
 
-template <class T> class ptr
-{
+  template <class T> class ptr
+  {
     friend class allocator2<T>;
     friend class const_ptr<T>;
     friend struct void_ptr;
@@ -481,6 +500,7 @@ template <class T> class ptr
     T* ptr_;
 
     ptr(T* x) : ptr_(x) {}
+
   public:
     ptr() : ptr_(0) {}
     explicit ptr(void_ptr const& x) : ptr_((T*)x.ptr_) {}
@@ -489,14 +509,14 @@ template <class T> class ptr
     T* operator->() const { return ptr_; }
     ptr& operator++()
     {
-        ++ptr_;
-        return *this;
+      ++ptr_;
+      return *this;
     }
     ptr operator++(int)
     {
-        ptr tmp(*this);
-        ++ptr_;
-        return tmp;
+      ptr tmp(*this);
+      ++ptr_;
+      return tmp;
     }
     ptr operator+(std::ptrdiff_t s) const { return ptr<T>(ptr_ + s); }
     friend ptr operator+(std::ptrdiff_t s, ptr p) { return ptr<T>(s + p.ptr_); }
@@ -513,16 +533,17 @@ template <class T> class ptr
     bool operator>(ptr const& x) const { return ptr_ > x.ptr_; }
     bool operator<=(ptr const& x) const { return ptr_ <= x.ptr_; }
     bool operator>=(ptr const& x) const { return ptr_ >= x.ptr_; }
-};
+  };
 
-template <class T> class const_ptr
-{
+  template <class T> class const_ptr
+  {
     friend class allocator2<T>;
     friend struct const_void_ptr;
 
     T const* ptr_;
 
     const_ptr(T const* ptr) : ptr_(ptr) {}
+
   public:
     const_ptr() : ptr_(0) {}
     const_ptr(ptr<T> const& x) : ptr_(x.ptr_) {}
@@ -532,19 +553,19 @@ template <class T> class const_ptr
     T const* operator->() const { return ptr_; }
     const_ptr& operator++()
     {
-        ++ptr_;
-        return *this;
+      ++ptr_;
+      return *this;
     }
     const_ptr operator++(int)
     {
-        const_ptr tmp(*this);
-        ++ptr_;
-        return tmp;
+      const_ptr tmp(*this);
+      ++ptr_;
+      return tmp;
     }
     const_ptr operator+(std::ptrdiff_t s) const { return const_ptr(ptr_ + s); }
     friend const_ptr operator+(std::ptrdiff_t s, const_ptr p)
     {
-        return ptr<T>(s + p.ptr_);
+      return ptr<T>(s + p.ptr_);
     }
     T const& operator[](int s) const { return ptr_[s]; }
     bool operator!() const { return !ptr_; }
@@ -556,10 +577,10 @@ template <class T> class const_ptr
     bool operator>(const_ptr const& x) const { return ptr_ > x.ptr_; }
     bool operator<=(const_ptr const& x) const { return ptr_ <= x.ptr_; }
     bool operator>=(const_ptr const& x) const { return ptr_ >= x.ptr_; }
-};
+  };
 
-template <class T> class allocator2
-{
+  template <class T> class allocator2
+  {
 #ifdef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
   public:
 #else
@@ -580,22 +601,21 @@ template <class T> class allocator2
 
     template <class U> struct rebind
     {
-        typedef allocator2<U> other;
+      typedef allocator2<U> other;
     };
 
-    explicit allocator2(int t = 0) : tag_(t)
-    {
-        detail::tracker.allocator_ref();
-    }
+    allocator2() : tag_(0) { detail::tracker.allocator_ref(); }
+
+    explicit allocator2(int t) : tag_(t) { detail::tracker.allocator_ref(); }
 
     template <class Y> allocator2(allocator2<Y> const& x) : tag_(x.tag_)
     {
-        detail::tracker.allocator_ref();
+      detail::tracker.allocator_ref();
     }
 
     allocator2(allocator2 const& x) : tag_(x.tag_)
     {
-        detail::tracker.allocator_ref();
+      detail::tracker.allocator_ref();
     }
 
     ~allocator2() { detail::tracker.allocator_unref(); }
@@ -606,47 +626,47 @@ template <class T> class allocator2
 
     pointer allocate(size_type n)
     {
-        pointer p(static_cast<T*>(::operator new(n * sizeof(T))));
-        detail::tracker.track_allocate((void*)p.ptr_, n, sizeof(T), tag_);
-        return p;
+      pointer p(static_cast<T*>(::operator new(n * sizeof(T))));
+      detail::tracker.track_allocate((void*)p.ptr_, n, sizeof(T), tag_);
+      return p;
     }
 
     pointer allocate(size_type n, void const*)
     {
-        pointer ptr(static_cast<T*>(::operator new(n * sizeof(T))));
-        detail::tracker.track_allocate((void*)ptr, n, sizeof(T), tag_);
-        return ptr;
+      pointer ptr(static_cast<T*>(::operator new(n * sizeof(T))));
+      detail::tracker.track_allocate((void*)ptr, n, sizeof(T), tag_);
+      return ptr;
     }
 
     void deallocate(pointer p, size_type n)
     {
-        detail::tracker.track_deallocate((void*)p.ptr_, n, sizeof(T), tag_);
-        ::operator delete((void*)p.ptr_);
+      detail::tracker.track_deallocate((void*)p.ptr_, n, sizeof(T), tag_);
+      ::operator delete((void*)p.ptr_);
     }
 
     void construct(T* p, T const& t)
     {
-        detail::tracker.track_construct((void*)p, sizeof(T), tag_);
-        new (p) T(t);
+      detail::tracker.track_construct((void*)p, sizeof(T), tag_);
+      new (p) T(t);
     }
 
 #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
     template <class... Args> void construct(T* p, BOOST_FWD_REF(Args)... args)
     {
-        detail::tracker.track_construct((void*)p, sizeof(T), tag_);
-        new (p) T(boost::forward<Args>(args)...);
+      detail::tracker.track_construct((void*)p, sizeof(T), tag_);
+      new (p) T(boost::forward<Args>(args)...);
     }
 #endif
 
     void destroy(T* p)
     {
-        detail::tracker.track_destroy((void*)p, sizeof(T), tag_);
-        p->~T();
+      detail::tracker.track_destroy((void*)p, sizeof(T), tag_);
+      p->~T();
     }
 
     size_type max_size() const
     {
-        return (std::numeric_limits<size_type>::max)();
+      return (std::numeric_limits<size_type>::max)();
     }
 
     bool operator==(allocator2 const& x) const { return tag_ == x.tag_; }
@@ -655,26 +675,26 @@ template <class T> class allocator2
 
     enum
     {
-        is_select_on_copy = false,
-        is_propagate_on_swap = false,
-        is_propagate_on_assign = false,
-        is_propagate_on_move = false
+      is_select_on_copy = false,
+      is_propagate_on_swap = false,
+      is_propagate_on_assign = false,
+      is_propagate_on_move = false
     };
-};
+  };
 
-template <class T>
-bool equivalent_impl(
+  template <class T>
+  bool equivalent_impl(
     allocator1<T> const& x, allocator1<T> const& y, test::derived_type)
-{
+  {
     return x == y;
-}
+  }
 
-template <class T>
-bool equivalent_impl(
+  template <class T>
+  bool equivalent_impl(
     allocator2<T> const& x, allocator2<T> const& y, test::derived_type)
-{
+  {
     return x == y;
-}
+  }
 }
 
 #endif

test/unordered/allocator_traits.cpp

@@ -3,7 +3,7 @@
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/limits.hpp>
 #include <boost/static_assert.hpp>
 #include <boost/type_traits/is_same.hpp>
@@ -12,76 +12,76 @@
 // Boilerplate
 
 #define ALLOCATOR_METHODS(name)                                                \
-    template <typename U> struct rebind                                        \
-    {                                                                          \
-        typedef name<U> other;                                                 \
-    };                                                                         \
+  template <typename U> struct rebind                                          \
+  {                                                                            \
+    typedef name<U> other;                                                     \
+  };                                                                           \
                                                                                \
-    name() {}                                                                  \
-    template <typename Y> name(name<Y> const&) {}                              \
-    T* address(T& r) { return &r; }                                            \
-    T const* address(T const& r) { return &r; }                                \
-    T* allocate(std::size_t n)                                                 \
-    {                                                                          \
-        return static_cast<T*>(::operator new(n * sizeof(T)));                 \
-    }                                                                          \
-    T* allocate(std::size_t n, void const*)                                    \
-    {                                                                          \
-        return static_cast<T*>(::operator new(n * sizeof(T)));                 \
-    }                                                                          \
-    void deallocate(T* p, std::size_t) { ::operator delete((void*)p); }        \
-    void construct(T* p, T const& t) { new (p) T(t); }                         \
-    void destroy(T* p) { p->~T(); }                                            \
-    std::size_t max_size() const                                               \
-    {                                                                          \
-        return (std::numeric_limits<std::size_t>::max)();                      \
-    }                                                                          \
-    bool operator==(name<T> const&) { return true; }                           \
-    bool operator!=(name<T> const&) { return false; }                          \
+  name() {}                                                                    \
+  template <typename Y> name(name<Y> const&) {}                                \
+  T* address(T& r) { return &r; }                                              \
+  T const* address(T const& r) { return &r; }                                  \
+  T* allocate(std::size_t n)                                                   \
+  {                                                                            \
+    return static_cast<T*>(::operator new(n * sizeof(T)));                     \
+  }                                                                            \
+  T* allocate(std::size_t n, void const*)                                      \
+  {                                                                            \
+    return static_cast<T*>(::operator new(n * sizeof(T)));                     \
+  }                                                                            \
+  void deallocate(T* p, std::size_t) { ::operator delete((void*)p); }          \
+  void construct(T* p, T const& t) { new (p) T(t); }                           \
+  void destroy(T* p) { p->~T(); }                                              \
+  std::size_t max_size() const                                                 \
+  {                                                                            \
+    return (std::numeric_limits<std::size_t>::max)();                          \
+  }                                                                            \
+  bool operator==(name<T> const&) const { return true; }                       \
+  bool operator!=(name<T> const&) const { return false; }                      \
 /**/
 
 #define ALLOCATOR_METHODS_TYPEDEFS(name)                                       \
-    template <typename U> struct rebind                                        \
-    {                                                                          \
-        typedef name<U> other;                                                 \
-    };                                                                         \
+  template <typename U> struct rebind                                          \
+  {                                                                            \
+    typedef name<U> other;                                                     \
+  };                                                                           \
                                                                                \
-    name() {}                                                                  \
-    template <typename Y> name(name<Y> const&) {}                              \
-    pointer address(T& r) { return &r; }                                       \
-    const_pointer address(T const& r) { return &r; }                           \
-    pointer allocate(std::size_t n)                                            \
-    {                                                                          \
-        return pointer(::operator new(n * sizeof(T)));                         \
-    }                                                                          \
-    pointer allocate(std::size_t n, void const*)                               \
-    {                                                                          \
-        return pointer(::operator new(n * sizeof(T)));                         \
-    }                                                                          \
-    void deallocate(pointer p, std::size_t) { ::operator delete((void*)p); }   \
-    void construct(T* p, T const& t) { new (p) T(t); }                         \
-    void destroy(T* p) { p->~T(); }                                            \
-    size_type max_size() const                                                 \
-    {                                                                          \
-        return (std::numeric_limits<size_type>::max)();                        \
-    }                                                                          \
-    bool operator==(name<T> const&) { return true; }                           \
-    bool operator!=(name<T> const&) { return false; }                          \
+  name() {}                                                                    \
+  template <typename Y> name(name<Y> const&) {}                                \
+  pointer address(T& r) { return &r; }                                         \
+  const_pointer address(T const& r) { return &r; }                             \
+  pointer allocate(std::size_t n)                                              \
+  {                                                                            \
+    return pointer(::operator new(n * sizeof(T)));                             \
+  }                                                                            \
+  pointer allocate(std::size_t n, void const*)                                 \
+  {                                                                            \
+    return pointer(::operator new(n * sizeof(T)));                             \
+  }                                                                            \
+  void deallocate(pointer p, std::size_t) { ::operator delete((void*)p); }     \
+  void construct(T* p, T const& t) { new (p) T(t); }                           \
+  void destroy(T* p) { p->~T(); }                                              \
+  size_type max_size() const                                                   \
+  {                                                                            \
+    return (std::numeric_limits<size_type>::max)();                            \
+  }                                                                            \
+  bool operator==(name<T> const&) { return true; }                             \
+  bool operator!=(name<T> const&) { return false; }                            \
 /**/
 
 struct yes_type
 {
-    enum
-    {
-        value = true
-    };
+  enum
+  {
+    value = true
+  };
 };
 struct no_type
 {
-    enum
-    {
-        value = false
-    };
+  enum
+  {
+    value = false
+  };
 };
 
 // For tracking calls...
@@ -91,193 +91,198 @@ void reset() { selected = 0; }
 
 template <typename Allocator> int call_select()
 {
-    typedef boost::unordered::detail::allocator_traits<Allocator> traits;
-    Allocator a;
+  typedef boost::unordered::detail::allocator_traits<Allocator> traits;
+  Allocator a;
 
-    reset();
-    BOOST_TEST(traits::select_on_container_copy_construction(a) == a);
-    return selected;
+  reset();
+  BOOST_TEST(traits::select_on_container_copy_construction(a) == a);
+  return selected;
 }
 
 // Empty allocator test
 
 template <typename T> struct empty_allocator
 {
-    typedef T value_type;
-    ALLOCATOR_METHODS(empty_allocator)
+  typedef T value_type;
+  ALLOCATOR_METHODS(empty_allocator)
 };
 
 void test_empty_allocator()
 {
-    typedef empty_allocator<int> allocator;
-    typedef boost::unordered::detail::allocator_traits<allocator> traits;
+  typedef empty_allocator<int> allocator;
+  typedef boost::unordered::detail::allocator_traits<allocator> traits;
 #if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 1
-    BOOST_STATIC_ASSERT((boost::is_same<traits::size_type,
-        std::make_unsigned<std::ptrdiff_t>::type>::value));
+  BOOST_STATIC_ASSERT((boost::is_same<traits::size_type,
+    std::make_unsigned<std::ptrdiff_t>::type>::value));
 #else
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<traits::size_type, std::size_t>::value));
+  BOOST_STATIC_ASSERT((boost::is_same<traits::size_type, std::size_t>::value));
 #endif
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<traits::difference_type, std::ptrdiff_t>::value));
-    BOOST_STATIC_ASSERT((boost::is_same<traits::pointer, int*>::value));
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<traits::const_pointer, int const*>::value));
-    BOOST_STATIC_ASSERT((boost::is_same<traits::value_type, int>::value));
-    BOOST_TEST(!traits::propagate_on_container_copy_assignment::value);
-    BOOST_TEST(!traits::propagate_on_container_move_assignment::value);
-    BOOST_TEST(!traits::propagate_on_container_swap::value);
-    BOOST_TEST(call_select<allocator>() == 0);
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<traits::difference_type, std::ptrdiff_t>::value));
+  BOOST_STATIC_ASSERT((boost::is_same<traits::pointer, int*>::value));
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<traits::const_pointer, int const*>::value));
+  BOOST_STATIC_ASSERT((boost::is_same<traits::value_type, int>::value));
+  BOOST_TEST(!traits::propagate_on_container_copy_assignment::value);
+  BOOST_TEST(!traits::propagate_on_container_move_assignment::value);
+  BOOST_TEST(!traits::propagate_on_container_swap::value);
+  BOOST_TEST(traits::is_always_equal::value);
+  BOOST_TEST(call_select<allocator>() == 0);
 }
 
 // allocator 1
 
 template <typename T> struct allocator1
 {
-    typedef T value_type;
-    ALLOCATOR_METHODS(allocator1)
+  typedef T value_type;
+  ALLOCATOR_METHODS(allocator1)
 
-    typedef yes_type propagate_on_container_copy_assignment;
-    typedef yes_type propagate_on_container_move_assignment;
-    typedef yes_type propagate_on_container_swap;
+  typedef yes_type propagate_on_container_copy_assignment;
+  typedef yes_type propagate_on_container_move_assignment;
+  typedef yes_type propagate_on_container_swap;
+  typedef yes_type is_always_equal;
 
-    allocator1<T> select_on_container_copy_construction() const
-    {
-        ++selected;
-        return allocator1<T>();
-    }
+  allocator1<T> select_on_container_copy_construction() const
+  {
+    ++selected;
+    return allocator1<T>();
+  }
 };
 
 void test_allocator1()
 {
-    typedef allocator1<int> allocator;
-    typedef boost::unordered::detail::allocator_traits<allocator> traits;
+  typedef allocator1<int> allocator;
+  typedef boost::unordered::detail::allocator_traits<allocator> traits;
 #if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 1
-    BOOST_STATIC_ASSERT((boost::is_same<traits::size_type,
-        std::make_unsigned<std::ptrdiff_t>::type>::value));
+  BOOST_STATIC_ASSERT((boost::is_same<traits::size_type,
+    std::make_unsigned<std::ptrdiff_t>::type>::value));
 #else
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<traits::size_type, std::size_t>::value));
+  BOOST_STATIC_ASSERT((boost::is_same<traits::size_type, std::size_t>::value));
 #endif
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<traits::difference_type, std::ptrdiff_t>::value));
-    BOOST_STATIC_ASSERT((boost::is_same<traits::pointer, int*>::value));
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<traits::const_pointer, int const*>::value));
-    BOOST_STATIC_ASSERT((boost::is_same<traits::value_type, int>::value));
-    BOOST_TEST(traits::propagate_on_container_copy_assignment::value);
-    BOOST_TEST(traits::propagate_on_container_move_assignment::value);
-    BOOST_TEST(traits::propagate_on_container_swap::value);
-    BOOST_TEST(call_select<allocator>() == 1);
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<traits::difference_type, std::ptrdiff_t>::value));
+  BOOST_STATIC_ASSERT((boost::is_same<traits::pointer, int*>::value));
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<traits::const_pointer, int const*>::value));
+  BOOST_STATIC_ASSERT((boost::is_same<traits::value_type, int>::value));
+  BOOST_TEST(traits::propagate_on_container_copy_assignment::value);
+  BOOST_TEST(traits::propagate_on_container_move_assignment::value);
+  BOOST_TEST(traits::propagate_on_container_swap::value);
+  BOOST_TEST(traits::is_always_equal::value);
+  BOOST_TEST(call_select<allocator>() == 1);
 }
 
 // allocator 2
 
 template <typename Alloc> struct allocator2_base
 {
-    Alloc select_on_container_copy_construction() const
-    {
-        ++selected;
-        return Alloc();
-    }
+  Alloc select_on_container_copy_construction() const
+  {
+    ++selected;
+    return Alloc();
+  }
 };
 
 template <typename T> struct allocator2 : allocator2_base<allocator2<T> >
 {
-    typedef T value_type;
-    typedef T* pointer;
-    typedef T const* const_pointer;
-    typedef std::size_t size_type;
+  typedef T value_type;
+  typedef T* pointer;
+  typedef T const* const_pointer;
+  typedef std::size_t size_type;
 
-    ALLOCATOR_METHODS(allocator2)
+  ALLOCATOR_METHODS(allocator2)
 
-    typedef no_type propagate_on_container_copy_assignment;
-    typedef no_type propagate_on_container_move_assignment;
-    typedef no_type propagate_on_container_swap;
+  typedef no_type propagate_on_container_copy_assignment;
+  typedef no_type propagate_on_container_move_assignment;
+  typedef no_type propagate_on_container_swap;
+  typedef no_type is_always_equal;
 };
 
 void test_allocator2()
 {
-    typedef allocator2<int> allocator;
-    typedef boost::unordered::detail::allocator_traits<allocator> traits;
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<traits::size_type, std::size_t>::value));
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<traits::difference_type, std::ptrdiff_t>::value));
-    BOOST_STATIC_ASSERT((boost::is_same<traits::pointer, int*>::value));
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<traits::const_pointer, int const*>::value));
-    BOOST_STATIC_ASSERT((boost::is_same<traits::value_type, int>::value));
-    BOOST_TEST(!traits::propagate_on_container_copy_assignment::value);
-    BOOST_TEST(!traits::propagate_on_container_move_assignment::value);
-    BOOST_TEST(!traits::propagate_on_container_swap::value);
-    BOOST_TEST(call_select<allocator>() == 1);
+  typedef allocator2<int> allocator;
+  typedef boost::unordered::detail::allocator_traits<allocator> traits;
+  BOOST_STATIC_ASSERT((boost::is_same<traits::size_type, std::size_t>::value));
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<traits::difference_type, std::ptrdiff_t>::value));
+  BOOST_STATIC_ASSERT((boost::is_same<traits::pointer, int*>::value));
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<traits::const_pointer, int const*>::value));
+  BOOST_STATIC_ASSERT((boost::is_same<traits::value_type, int>::value));
+  BOOST_TEST(!traits::propagate_on_container_copy_assignment::value);
+  BOOST_TEST(!traits::propagate_on_container_move_assignment::value);
+  BOOST_TEST(!traits::propagate_on_container_swap::value);
+  BOOST_TEST(!traits::is_always_equal::value);
+  BOOST_TEST(call_select<allocator>() == 1);
 }
 
 // allocator 3
 
 template <typename T> struct ptr
 {
-    T* value_;
+  T* value_;
 
-    ptr(void* v) : value_((T*)v) {}
-    T& operator*() const { return *value_; }
+  ptr(void* v) : value_((T*)v) {}
+  T& operator*() const { return *value_; }
 };
 
 template <> struct ptr<void>
 {
-    void* value_;
-    ptr(void* v) : value_(v) {}
+  void* value_;
+  ptr(void* v) : value_(v) {}
 };
 
 template <> struct ptr<const void>
 {
-    void const* value_;
-    ptr(void const* v) : value_(v) {}
+  void const* value_;
+  ptr(void const* v) : value_(v) {}
 };
 
 template <typename T> struct allocator3
 {
-    typedef T value_type;
-    typedef ptr<T> pointer;
-    typedef ptr<T const> const_pointer;
-    typedef unsigned short size_type;
+  typedef T value_type;
+  typedef ptr<T> pointer;
+  typedef ptr<T const> const_pointer;
+  typedef unsigned short size_type;
 
-    ALLOCATOR_METHODS_TYPEDEFS(allocator3)
+  int x; // Just to make it non-empty, so that is_always_equal is false.
 
-    typedef yes_type propagate_on_container_copy_assignment;
-    typedef no_type propagate_on_container_move_assignment;
+  ALLOCATOR_METHODS_TYPEDEFS(allocator3)
 
-    allocator3<T> select_on_container_copy_construction() const
-    {
-        ++selected;
-        return allocator3<T>();
-    }
+  typedef yes_type propagate_on_container_copy_assignment;
+  typedef no_type propagate_on_container_move_assignment;
+
+  allocator3<T> select_on_container_copy_construction() const
+  {
+    ++selected;
+    return allocator3<T>();
+  }
 };
 
 void test_allocator3()
 {
-    typedef allocator3<int> allocator;
-    typedef boost::unordered::detail::allocator_traits<allocator> traits;
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<traits::size_type, unsigned short>::value));
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<traits::difference_type, std::ptrdiff_t>::value));
-    BOOST_STATIC_ASSERT((boost::is_same<traits::pointer, ptr<int> >::value));
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<traits::const_pointer, ptr<int const> >::value));
-    BOOST_STATIC_ASSERT((boost::is_same<traits::value_type, int>::value));
-    BOOST_TEST(traits::propagate_on_container_copy_assignment::value);
-    BOOST_TEST(!traits::propagate_on_container_move_assignment::value);
-    BOOST_TEST(!traits::propagate_on_container_swap::value);
-    BOOST_TEST(call_select<allocator>() == 1);
+  typedef allocator3<int> allocator;
+  typedef boost::unordered::detail::allocator_traits<allocator> traits;
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<traits::size_type, unsigned short>::value));
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<traits::difference_type, std::ptrdiff_t>::value));
+  BOOST_STATIC_ASSERT((boost::is_same<traits::pointer, ptr<int> >::value));
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<traits::const_pointer, ptr<int const> >::value));
+  BOOST_STATIC_ASSERT((boost::is_same<traits::value_type, int>::value));
+  BOOST_TEST(traits::propagate_on_container_copy_assignment::value);
+  BOOST_TEST(!traits::propagate_on_container_move_assignment::value);
+  BOOST_TEST(!traits::propagate_on_container_swap::value);
+  BOOST_TEST(!traits::is_always_equal::value);
+  BOOST_TEST(call_select<allocator>() == 1);
 }
 
 int main()
 {
-    test_empty_allocator();
-    test_allocator1();
-    test_allocator2();
-    test_allocator3();
-    return boost::report_errors();
+  test_empty_allocator();
+  test_allocator1();
+  test_allocator2();
+  test_allocator3();
+  return boost::report_errors();
 }

test/unordered/assign_tests.cpp

@@ -17,261 +17,257 @@
 #include "../helpers/tracker.hpp"
 #include "../helpers/equivalent.hpp"
 
-#include <iostream>
-
 #if defined(BOOST_MSVC)
 #pragma warning(disable : 4127) // conditional expression is constant
 #endif
 
 namespace assign_tests {
 
-test::seed_t initialize_seed(96785);
+  test::seed_t initialize_seed(96785);
 
-template <class T> void assign_tests1(T*, test::random_generator generator)
-{
-    BOOST_DEDUCED_TYPENAME T::hasher hf;
-    BOOST_DEDUCED_TYPENAME T::key_equal eq;
+  template <class T> void assign_tests1(T*, test::random_generator generator)
+  {
+    typename T::hasher hf;
+    typename T::key_equal eq;
 
-    std::cerr << "assign_tests1.1\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "assign_tests1.1\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x;
-        x = x;
-        BOOST_TEST(x.empty());
-        BOOST_TEST(test::equivalent(x.hash_function(), hf));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      T x;
+      x = x;
+      BOOST_TEST(x.empty());
+      BOOST_TEST(test::equivalent(x.hash_function(), hf));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
     }
 
-    std::cerr << "assign_tests1.2\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "assign_tests1.2\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(1000, generator);
-        T x(v.begin(), v.end());
+      test::random_values<T> v(1000, generator);
+      T x(v.begin(), v.end());
 
-        test::ordered<T> tracker = test::create_ordered(x);
-        tracker.insert_range(v.begin(), v.end());
+      test::ordered<T> tracker = test::create_ordered(x);
+      tracker.insert_range(v.begin(), v.end());
 
-        x = x;
-        tracker.compare(x);
+      x = x;
+      tracker.compare(x);
 
-        T y;
-        y.max_load_factor(x.max_load_factor() / 20);
-        float mlf = x.max_load_factor();
-        y = x;
-        tracker.compare(x);
-        tracker.compare(y);
-        BOOST_TEST(x.max_load_factor() == mlf);
-        BOOST_TEST(y.max_load_factor() == mlf);
-        BOOST_TEST(y.load_factor() <= y.max_load_factor());
+      T y;
+      y.max_load_factor(x.max_load_factor() / 20);
+      float mlf = x.max_load_factor();
+      y = x;
+      tracker.compare(x);
+      tracker.compare(y);
+      BOOST_TEST(x.max_load_factor() == mlf);
+      BOOST_TEST(y.max_load_factor() == mlf);
+      BOOST_TEST(y.load_factor() <= y.max_load_factor());
     }
-}
+  }
 
-template <class T> void assign_tests2(T*, test::random_generator generator)
-{
-    BOOST_DEDUCED_TYPENAME T::hasher hf1(1);
-    BOOST_DEDUCED_TYPENAME T::hasher hf2(2);
-    BOOST_DEDUCED_TYPENAME T::key_equal eq1(1);
-    BOOST_DEDUCED_TYPENAME T::key_equal eq2(2);
-    BOOST_DEDUCED_TYPENAME T::allocator_type al1(1);
-    BOOST_DEDUCED_TYPENAME T::allocator_type al2(2);
+  template <class T> void assign_tests2(T*, test::random_generator generator)
+  {
+    typename T::hasher hf1(1);
+    typename T::hasher hf2(2);
+    typename T::key_equal eq1(1);
+    typename T::key_equal eq2(2);
+    typename T::allocator_type al1(1);
+    typename T::allocator_type al2(2);
 
-    typedef BOOST_DEDUCED_TYPENAME T::allocator_type allocator_type;
+    typedef typename T::allocator_type allocator_type;
 
-    std::cerr << "assign_tests2.0 - empty container\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "assign_tests2.0 - empty container\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x1(0, hf1, eq1);
-        T x2(0, hf2, eq2);
-        x2 = x1;
-        BOOST_TEST(test::equivalent(x1.hash_function(), hf1));
-        BOOST_TEST(test::equivalent(x1.key_eq(), eq1));
-        BOOST_TEST(test::equivalent(x2.hash_function(), hf1));
-        BOOST_TEST(test::equivalent(x2.key_eq(), eq1));
-        test::check_container(x1, x2);
+      T x1(0, hf1, eq1);
+      T x2(0, hf2, eq2);
+      x2 = x1;
+      BOOST_TEST(test::equivalent(x1.hash_function(), hf1));
+      BOOST_TEST(test::equivalent(x1.key_eq(), eq1));
+      BOOST_TEST(test::equivalent(x2.hash_function(), hf1));
+      BOOST_TEST(test::equivalent(x2.key_eq(), eq1));
+      test::check_container(x1, x2);
     }
 
-    std::cerr << "assign_tests2.1\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "assign_tests2.1\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(1000, generator);
-        T x1(v.begin(), v.end(), 0, hf1, eq1);
-        T x2(0, hf2, eq2);
-        x2 = x1;
-        BOOST_TEST(test::equivalent(x1.hash_function(), hf1));
-        BOOST_TEST(test::equivalent(x1.key_eq(), eq1));
-        BOOST_TEST(test::equivalent(x2.hash_function(), hf1));
-        BOOST_TEST(test::equivalent(x2.key_eq(), eq1));
-        test::check_container(x1, v);
-        test::check_container(x2, v);
-        BOOST_TEST(x2.load_factor() <= x2.max_load_factor());
+      test::random_values<T> v(1000, generator);
+      T x1(v.begin(), v.end(), 0, hf1, eq1);
+      T x2(0, hf2, eq2);
+      x2 = x1;
+      BOOST_TEST(test::equivalent(x1.hash_function(), hf1));
+      BOOST_TEST(test::equivalent(x1.key_eq(), eq1));
+      BOOST_TEST(test::equivalent(x2.hash_function(), hf1));
+      BOOST_TEST(test::equivalent(x2.key_eq(), eq1));
+      test::check_container(x1, v);
+      test::check_container(x2, v);
+      BOOST_TEST(x2.load_factor() <= x2.max_load_factor());
     }
 
-    std::cerr << "assign_tests2.1a\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "assign_tests2.1a\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v1(0, generator);
-        test::random_values<T> v2(1000, generator);
-        T x1(0, hf2, eq2);
-        T x2(v2.begin(), v2.end(), 0, hf1, eq1);
-        x2 = x1;
-        BOOST_TEST(test::equivalent(x1.hash_function(), hf2));
-        BOOST_TEST(test::equivalent(x1.key_eq(), eq2));
-        BOOST_TEST(test::equivalent(x2.hash_function(), hf2));
-        BOOST_TEST(test::equivalent(x2.key_eq(), eq2));
-        test::check_container(x1, v1);
-        test::check_container(x2, v1);
-        BOOST_TEST(x2.load_factor() <= x2.max_load_factor());
+      test::random_values<T> v1(0, generator);
+      test::random_values<T> v2(1000, generator);
+      T x1(0, hf2, eq2);
+      T x2(v2.begin(), v2.end(), 0, hf1, eq1);
+      x2 = x1;
+      BOOST_TEST(test::equivalent(x1.hash_function(), hf2));
+      BOOST_TEST(test::equivalent(x1.key_eq(), eq2));
+      BOOST_TEST(test::equivalent(x2.hash_function(), hf2));
+      BOOST_TEST(test::equivalent(x2.key_eq(), eq2));
+      test::check_container(x1, v1);
+      test::check_container(x2, v1);
+      BOOST_TEST(x2.load_factor() <= x2.max_load_factor());
     }
 
-    std::cerr << "assign_tests2.2\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "assign_tests2.2\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v1(100, generator), v2(100, generator);
-        T x1(v1.begin(), v1.end(), 0, hf1, eq1, al1);
-        T x2(v2.begin(), v2.end(), 0, hf2, eq2, al2);
-        x2 = x1;
-        BOOST_TEST(test::equivalent(x2.hash_function(), hf1));
-        BOOST_TEST(test::equivalent(x2.key_eq(), eq1));
-        if (allocator_type::is_propagate_on_assign) {
-            BOOST_TEST(test::equivalent(x2.get_allocator(), al1));
-            BOOST_TEST(!test::equivalent(x2.get_allocator(), al2));
-        } else {
-            BOOST_TEST(test::equivalent(x2.get_allocator(), al2));
-            BOOST_TEST(!test::equivalent(x2.get_allocator(), al1));
-        }
-        test::check_container(x1, v1);
-        test::check_container(x2, v1);
-        BOOST_TEST(x2.load_factor() <= x2.max_load_factor());
+      test::random_values<T> v1(100, generator), v2(100, generator);
+      T x1(v1.begin(), v1.end(), 0, hf1, eq1, al1);
+      T x2(v2.begin(), v2.end(), 0, hf2, eq2, al2);
+      x2 = x1;
+      BOOST_TEST(test::equivalent(x2.hash_function(), hf1));
+      BOOST_TEST(test::equivalent(x2.key_eq(), eq1));
+      if (allocator_type::is_propagate_on_assign) {
+        BOOST_TEST(test::equivalent(x2.get_allocator(), al1));
+        BOOST_TEST(!test::equivalent(x2.get_allocator(), al2));
+      } else {
+        BOOST_TEST(test::equivalent(x2.get_allocator(), al2));
+        BOOST_TEST(!test::equivalent(x2.get_allocator(), al1));
+      }
+      test::check_container(x1, v1);
+      test::check_container(x2, v1);
+      BOOST_TEST(x2.load_factor() <= x2.max_load_factor());
     }
 
-    std::cerr << "assign_tests2.3\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "assign_tests2.3\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v1(100, generator), v2(1000, generator);
-        T x1(v1.begin(), v1.end(), 0, hf1, eq1, al1);
-        T x2(v2.begin(), v2.end(), 0, hf2, eq2, al2);
-        x2 = x1;
-        BOOST_TEST(test::equivalent(x2.hash_function(), hf1));
-        BOOST_TEST(test::equivalent(x2.key_eq(), eq1));
-        if (allocator_type::is_propagate_on_assign) {
-            BOOST_TEST(test::equivalent(x2.get_allocator(), al1));
-            BOOST_TEST(!test::equivalent(x2.get_allocator(), al2));
-        } else {
-            BOOST_TEST(test::equivalent(x2.get_allocator(), al2));
-            BOOST_TEST(!test::equivalent(x2.get_allocator(), al1));
-        }
-        test::check_container(x1, v1);
-        test::check_container(x2, v1);
-        BOOST_TEST(x2.load_factor() <= x2.max_load_factor());
+      test::random_values<T> v1(100, generator), v2(1000, generator);
+      T x1(v1.begin(), v1.end(), 0, hf1, eq1, al1);
+      T x2(v2.begin(), v2.end(), 0, hf2, eq2, al2);
+      x2 = x1;
+      BOOST_TEST(test::equivalent(x2.hash_function(), hf1));
+      BOOST_TEST(test::equivalent(x2.key_eq(), eq1));
+      if (allocator_type::is_propagate_on_assign) {
+        BOOST_TEST(test::equivalent(x2.get_allocator(), al1));
+        BOOST_TEST(!test::equivalent(x2.get_allocator(), al2));
+      } else {
+        BOOST_TEST(test::equivalent(x2.get_allocator(), al2));
+        BOOST_TEST(!test::equivalent(x2.get_allocator(), al1));
+      }
+      test::check_container(x1, v1);
+      test::check_container(x2, v1);
+      BOOST_TEST(x2.load_factor() <= x2.max_load_factor());
     }
 
-    std::cerr << "assign_tests2.4\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "assign_tests2.4\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v1(1000, generator), v2(100, generator);
-        T x1(v1.begin(), v1.end(), 0, hf1, eq1, al1);
-        T x2(v2.begin(), v2.end(), 0, hf2, eq2, al2);
-        x2 = x1;
-        BOOST_TEST(test::equivalent(x2.hash_function(), hf1));
-        BOOST_TEST(test::equivalent(x2.key_eq(), eq1));
-        if (allocator_type::is_propagate_on_assign) {
-            BOOST_TEST(test::equivalent(x2.get_allocator(), al1));
-            BOOST_TEST(!test::equivalent(x2.get_allocator(), al2));
-        } else {
-            BOOST_TEST(test::equivalent(x2.get_allocator(), al2));
-            BOOST_TEST(!test::equivalent(x2.get_allocator(), al1));
-        }
-        test::check_container(x1, v1);
-        test::check_container(x2, v1);
-        BOOST_TEST(x2.load_factor() <= x2.max_load_factor());
+      test::random_values<T> v1(1000, generator), v2(100, generator);
+      T x1(v1.begin(), v1.end(), 0, hf1, eq1, al1);
+      T x2(v2.begin(), v2.end(), 0, hf2, eq2, al2);
+      x2 = x1;
+      BOOST_TEST(test::equivalent(x2.hash_function(), hf1));
+      BOOST_TEST(test::equivalent(x2.key_eq(), eq1));
+      if (allocator_type::is_propagate_on_assign) {
+        BOOST_TEST(test::equivalent(x2.get_allocator(), al1));
+        BOOST_TEST(!test::equivalent(x2.get_allocator(), al2));
+      } else {
+        BOOST_TEST(test::equivalent(x2.get_allocator(), al2));
+        BOOST_TEST(!test::equivalent(x2.get_allocator(), al1));
+      }
+      test::check_container(x1, v1);
+      test::check_container(x2, v1);
+      BOOST_TEST(x2.load_factor() <= x2.max_load_factor());
     }
-}
+  }
 
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     std::allocator<test::object> >* test_map_std_alloc;
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_set;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::allocator2<test::object> >* test_multiset;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::allocator2<test::object> >* test_map;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, test::allocator1<test::object> >* test_multimap;
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::propagate_assign> >*
     test_set_prop_assign;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::propagate_assign> >*
     test_multiset_prop_assign;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::propagate_assign> >*
     test_map_prop_assign;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to,
     test::cxx11_allocator<test::object, test::propagate_assign> >*
     test_multimap_prop_assign;
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::no_propagate_assign> >*
     test_set_no_prop_assign;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::no_propagate_assign> >*
     test_multiset_no_prop_assign;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::no_propagate_assign> >*
     test_map_no_prop_assign;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to,
     test::cxx11_allocator<test::object, test::no_propagate_assign> >*
     test_multimap_no_prop_assign;
 
-using test::default_generator;
-using test::generate_collisions;
-using test::limited_range;
+  using test::default_generator;
+  using test::generate_collisions;
+  using test::limited_range;
 
-template <typename T> bool is_propagate(T*)
-{
+  template <typename T> bool is_propagate(T*)
+  {
     return T::allocator_type::is_propagate_on_assign;
-}
+  }
 
-UNORDERED_AUTO_TEST(check_traits)
-{
+  UNORDERED_AUTO_TEST (check_traits) {
     BOOST_TEST(!is_propagate(test_set));
     BOOST_TEST(is_propagate(test_set_prop_assign));
     BOOST_TEST(!is_propagate(test_set_no_prop_assign));
-}
+  }
 
-UNORDERED_TEST(assign_tests1,
+  UNORDERED_TEST(assign_tests1,
     ((test_map_std_alloc)(test_set)(test_multiset)(test_map)(test_multimap)(
-        test_set_prop_assign)(test_multiset_prop_assign)(test_map_prop_assign)(
-        test_multimap_prop_assign)(test_set_no_prop_assign)(
-        test_multiset_no_prop_assign)(test_map_no_prop_assign)(
-        test_multimap_no_prop_assign))(
-                   (default_generator)(generate_collisions)(limited_range)))
+      test_set_prop_assign)(test_multiset_prop_assign)(test_map_prop_assign)(
+      test_multimap_prop_assign)(test_set_no_prop_assign)(
+      test_multiset_no_prop_assign)(test_map_no_prop_assign)(
+      test_multimap_no_prop_assign))(
+      (default_generator)(generate_collisions)(limited_range)))
 
-UNORDERED_TEST(
+  UNORDERED_TEST(
     assign_tests2, ((test_set)(test_multiset)(test_map)(test_multimap)(
-                       test_set_prop_assign)(test_multiset_prop_assign)(
-                       test_map_prop_assign)(test_multimap_prop_assign)(
-                       test_set_no_prop_assign)(test_multiset_no_prop_assign)(
-                       test_map_no_prop_assign)(test_multimap_no_prop_assign))(
-                       (default_generator)(generate_collisions)(limited_range)))
+                     test_set_prop_assign)(test_multiset_prop_assign)(
+                     test_map_prop_assign)(test_multimap_prop_assign)(
+                     test_set_no_prop_assign)(test_multiset_no_prop_assign)(
+                     test_map_no_prop_assign)(test_multimap_no_prop_assign))(
+                     (default_generator)(generate_collisions)(limited_range)))
 
 #if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
 
-UNORDERED_AUTO_TEST(assign_default_initializer_list)
-{
-    std::cerr << "Initializer List Tests\n";
+  UNORDERED_AUTO_TEST (assign_default_initializer_list) {
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Initializer List Tests\n";
     std::initializer_list<std::pair<int const, int> > init;
     boost::unordered_map<int, int> x1;
     x1[25] = 3;
@@ -279,14 +275,13 @@ UNORDERED_AUTO_TEST(assign_default_initializer_list)
     BOOST_TEST(!x1.empty());
     x1 = init;
     BOOST_TEST(x1.empty());
-}
+  }
 
 #endif
 
 #if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
-UNORDERED_AUTO_TEST(assign_initializer_list)
-{
-    std::cerr << "Initializer List Tests\n";
+  UNORDERED_AUTO_TEST (assign_initializer_list) {
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Initializer List Tests\n";
 
     boost::unordered_set<int> x;
     x.insert(10);
@@ -294,7 +289,7 @@ UNORDERED_AUTO_TEST(assign_initializer_list)
     x = {1, 2, -10};
     BOOST_TEST(x.find(10) == x.end());
     BOOST_TEST(x.find(-10) != x.end());
-}
+  }
 
 #endif
 }

test/unordered/at_tests.cpp

@@ -14,11 +14,25 @@
 
 namespace at_tests {
 
-UNORDERED_AUTO_TEST(at_tests)
-{
+  UNORDERED_AUTO_TEST (at_tests) {
     BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Create Map" << std::endl;
 
     boost::unordered_map<std::string, int> x;
+    boost::unordered_map<std::string, int> const& x_const(x);
+
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Check empty container" << std::endl;
+
+    try {
+      x.at("one");
+      BOOST_ERROR("Should have thrown.");
+    } catch (std::out_of_range&) {
+    }
+
+    try {
+      x_const.at("one");
+      BOOST_ERROR("Should have thrown.");
+    } catch (std::out_of_range&) {
+    }
 
     BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Add elements" << std::endl;
 
@@ -29,17 +43,25 @@ UNORDERED_AUTO_TEST(at_tests)
 
     BOOST_TEST(x.at("one") == 1);
     BOOST_TEST(x.at("two") == 2);
+    BOOST_TEST(x_const.at("one") == 1);
+    BOOST_TEST(x_const.at("two") == 2);
 
     BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Check missing element" << std::endl;
 
     try {
-        x.at("three");
-        BOOST_ERROR("Should have thrown.");
-    } catch (std::out_of_range) {
+      x.at("three");
+      BOOST_ERROR("Should have thrown.");
+    } catch (std::out_of_range&) {
+    }
+
+    try {
+      x_const.at("three");
+      BOOST_ERROR("Should have thrown.");
+    } catch (std::out_of_range&) {
     }
 
     BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Finished" << std::endl;
-}
+  }
 }
 
 RUN_TESTS()

test/unordered/bucket_tests.cpp

@@ -23,73 +23,72 @@
 
 namespace bucket_tests {
 
-test::seed_t initialize_seed(54635);
+  test::seed_t initialize_seed(54635);
 
-template <class X> void tests(X*, test::random_generator generator)
-{
+  template <class X> void tests(X*, test::random_generator generator)
+  {
     test::check_instances check_;
 
-    typedef BOOST_DEDUCED_TYPENAME X::size_type size_type;
-    typedef BOOST_DEDUCED_TYPENAME X::const_local_iterator const_local_iterator;
+    typedef typename X::size_type size_type;
+    typedef typename X::const_local_iterator const_local_iterator;
     test::random_values<X> v(1000, generator);
 
     X x(v.begin(), v.end());
 
     BOOST_TEST(x.bucket_count() <= x.max_bucket_count());
     if (!(x.bucket_count() <= x.max_bucket_count())) {
-        std::cerr << x.bucket_count() << "<=" << x.max_bucket_count() << "\n";
+      BOOST_LIGHTWEIGHT_TEST_OSTREAM << x.bucket_count()
+                                     << "<=" << x.max_bucket_count() << "\n";
     }
 
-    for (BOOST_DEDUCED_TYPENAME test::random_values<X>::const_iterator
-             it = v.begin(),
-             end = v.end();
+    for (typename test::random_values<X>::const_iterator it = v.begin(),
+                                                         end = v.end();
          it != end; ++it) {
-        size_type bucket = x.bucket(test::get_key<X>(*it));
+      size_type bucket = x.bucket(test::get_key<X>(*it));
 
-        BOOST_TEST(bucket < x.bucket_count());
-        if (bucket < x.bucket_count()) {
-            // lit? lend?? I need a new naming scheme.
-            const_local_iterator lit = x.begin(bucket), lend = x.end(bucket);
-            while (lit != lend &&
-                   test::get_key<X>(*it) != test::get_key<X>(*lit)) {
-                ++lit;
-            }
-            BOOST_TEST(lit != lend);
+      BOOST_TEST(bucket < x.bucket_count());
+      if (bucket < x.bucket_count()) {
+        // lit? lend?? I need a new naming scheme.
+        const_local_iterator lit = x.begin(bucket), lend = x.end(bucket);
+        while (lit != lend && test::get_key<X>(*it) != test::get_key<X>(*lit)) {
+          ++lit;
         }
+        BOOST_TEST(lit != lend);
+      }
     }
 
     for (size_type i = 0; i < x.bucket_count(); ++i) {
-        BOOST_TEST(x.bucket_size(i) ==
-                   static_cast<size_type>(std::distance(x.begin(i), x.end(i))));
-        BOOST_TEST(x.bucket_size(i) == static_cast<size_type>(std::distance(
-                                           x.cbegin(i), x.cend(i))));
-        X const& x_ref = x;
-        BOOST_TEST(x.bucket_size(i) == static_cast<size_type>(std::distance(
-                                           x_ref.begin(i), x_ref.end(i))));
-        BOOST_TEST(x.bucket_size(i) == static_cast<size_type>(std::distance(
-                                           x_ref.cbegin(i), x_ref.cend(i))));
+      BOOST_TEST(x.bucket_size(i) ==
+                 static_cast<size_type>(std::distance(x.begin(i), x.end(i))));
+      BOOST_TEST(x.bucket_size(i) ==
+                 static_cast<size_type>(std::distance(x.cbegin(i), x.cend(i))));
+      X const& x_ref = x;
+      BOOST_TEST(x.bucket_size(i) == static_cast<size_type>(std::distance(
+                                       x_ref.begin(i), x_ref.end(i))));
+      BOOST_TEST(x.bucket_size(i) == static_cast<size_type>(std::distance(
+                                       x_ref.cbegin(i), x_ref.cend(i))));
     }
-}
+  }
 
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, std::allocator<test::object> >* test_multimap_std_alloc;
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::allocator2<test::object> >* test_set;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_multiset;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_map;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, test::allocator2<test::object> >* test_multimap;
 
-using test::default_generator;
-using test::generate_collisions;
-using test::limited_range;
+  using test::default_generator;
+  using test::generate_collisions;
+  using test::limited_range;
 
-UNORDERED_TEST(tests, ((test_multimap_std_alloc)(test_set)(test_multiset)(
-                          test_map)(test_multimap))((default_generator)(
-                          generate_collisions)(limited_range)))
+  UNORDERED_TEST(tests,
+    ((test_multimap_std_alloc)(test_set)(test_multiset)(test_map)(
+      test_multimap))((default_generator)(generate_collisions)(limited_range)))
 }
 
 RUN_TESTS()

test/unordered/compile_map.cpp

@@ -12,7 +12,6 @@
 #include "../helpers/postfix.hpp"
 // clang-format on
 
-#include <iostream>
 #include "../helpers/test.hpp"
 #include "../objects/minimal.hpp"
 #include "./compile_tests.hpp"
@@ -20,211 +19,230 @@
 // Explicit instantiation to catch compile-time errors
 
 #define INSTANTIATE(type)                                                      \
-    template class boost::unordered::detail::instantiate_##type
+  template class boost::unordered::detail::instantiate_##type
 
 INSTANTIATE(map)<int, int, boost::hash<int>, std::equal_to<int>,
-    test::minimal::allocator<int> >;
+  test::minimal::allocator<int> >;
 INSTANTIATE(multimap)<int const, int const, boost::hash<int>,
-    std::equal_to<int>, test::minimal::allocator<int> >;
+  std::equal_to<int>, test::minimal::allocator<int> >;
 
-INSTANTIATE(map)<test::minimal::assignable const,
-    test::minimal::default_assignable const,
-    test::minimal::hash<test::minimal::assignable>,
-    test::minimal::equal_to<test::minimal::assignable>,
-    test::minimal::allocator<int> >;
+INSTANTIATE(
+  map)<test::minimal::assignable const, test::minimal::default_assignable const,
+  test::minimal::hash<test::minimal::assignable>,
+  test::minimal::equal_to<test::minimal::assignable>,
+  test::minimal::allocator<int> >;
 INSTANTIATE(multimap)<test::minimal::assignable, test::minimal::assignable,
+  test::minimal::hash<test::minimal::assignable>,
+  test::minimal::equal_to<test::minimal::assignable>,
+  test::minimal::allocator<int> >;
+
+UNORDERED_AUTO_TEST (test0) {
+  test::minimal::constructor_param x;
+
+  typedef std::pair<test::minimal::assignable const, test::minimal::assignable>
+    value_type;
+  value_type value(x, x);
+
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_map.\n";
+
+  boost::unordered_map<int, int> int_map;
+
+  boost::unordered_map<int, int, boost::hash<int>, std::equal_to<int>,
+    test::minimal::cxx11_allocator<std::pair<int const, int> > >
+    int_map2;
+
+  boost::unordered_map<test::minimal::assignable, test::minimal::assignable,
     test::minimal::hash<test::minimal::assignable>,
     test::minimal::equal_to<test::minimal::assignable>,
-    test::minimal::allocator<int> >;
+    test::minimal::allocator<value_type> >
+    map;
 
-UNORDERED_AUTO_TEST(test0)
-{
-    test::minimal::constructor_param x;
+  container_test(int_map, std::pair<int const, int>(0, 0));
+  container_test(int_map2, std::pair<int const, int>(0, 0));
+  container_test(map, value);
 
-    typedef std::pair<test::minimal::assignable const,
-        test::minimal::assignable>
-        value_type;
-    value_type value(x, x);
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_multimap.\n";
 
-    std::cout << "Test unordered_map.\n";
+  boost::unordered_multimap<int, int> int_multimap;
 
-    boost::unordered_map<int, int> int_map;
+  boost::unordered_multimap<int, int, boost::hash<int>, std::equal_to<int>,
+    test::minimal::cxx11_allocator<std::pair<int const, int> > >
+    int_multimap2;
 
-    boost::unordered_map<int, int, boost::hash<int>, std::equal_to<int>,
-        test::minimal::cxx11_allocator<std::pair<int const, int> > >
-        int_map2;
+  boost::unordered_multimap<test::minimal::assignable,
+    test::minimal::assignable, test::minimal::hash<test::minimal::assignable>,
+    test::minimal::equal_to<test::minimal::assignable>,
+    test::minimal::allocator<value_type> >
+    multimap;
 
-    boost::unordered_map<test::minimal::assignable, test::minimal::assignable,
-        test::minimal::hash<test::minimal::assignable>,
-        test::minimal::equal_to<test::minimal::assignable>,
-        test::minimal::allocator<value_type> >
-        map;
-
-    container_test(int_map, std::pair<int const, int>(0, 0));
-    container_test(int_map2, std::pair<int const, int>(0, 0));
-    container_test(map, value);
-
-    std::cout << "Test unordered_multimap.\n";
-
-    boost::unordered_multimap<int, int> int_multimap;
-
-    boost::unordered_multimap<int, int, boost::hash<int>, std::equal_to<int>,
-        test::minimal::cxx11_allocator<std::pair<int const, int> > >
-        int_multimap2;
-
-    boost::unordered_multimap<test::minimal::assignable,
-        test::minimal::assignable,
-        test::minimal::hash<test::minimal::assignable>,
-        test::minimal::equal_to<test::minimal::assignable>,
-        test::minimal::allocator<value_type> >
-        multimap;
-
-    container_test(int_multimap, std::pair<int const, int>(0, 0));
-    container_test(int_multimap2, std::pair<int const, int>(0, 0));
-    container_test(multimap, value);
+  container_test(int_multimap, std::pair<int const, int>(0, 0));
+  container_test(int_multimap2, std::pair<int const, int>(0, 0));
+  container_test(multimap, value);
 }
 
-UNORDERED_AUTO_TEST(equality_tests)
-{
-    typedef std::pair<
-        test::minimal::copy_constructible_equality_comparable const,
-        test::minimal::copy_constructible_equality_comparable>
-        value_type;
+UNORDERED_AUTO_TEST (equality_tests) {
+  typedef std::pair<test::minimal::copy_constructible_equality_comparable const,
+    test::minimal::copy_constructible_equality_comparable>
+    value_type;
 
-    boost::unordered_map<int, int> int_map;
+  boost::unordered_map<int, int> int_map;
 
-    boost::unordered_map<int, int, boost::hash<int>, std::equal_to<int>,
-        test::minimal::cxx11_allocator<std::pair<int const, int> > >
-        int_map2;
+  boost::unordered_map<int, int, boost::hash<int>, std::equal_to<int>,
+    test::minimal::cxx11_allocator<std::pair<int const, int> > >
+    int_map2;
 
-    boost::unordered_map<
-        test::minimal::copy_constructible_equality_comparable,
-        test::minimal::copy_constructible_equality_comparable,
-        test::minimal::hash<
-            test::minimal::copy_constructible_equality_comparable>,
-        test::minimal::equal_to<
-            test::minimal::copy_constructible_equality_comparable>,
-        test::minimal::allocator<value_type> >
-        map;
+  boost::unordered_map<test::minimal::copy_constructible_equality_comparable,
+    test::minimal::copy_constructible_equality_comparable,
+    test::minimal::hash<test::minimal::copy_constructible_equality_comparable>,
+    test::minimal::equal_to<
+      test::minimal::copy_constructible_equality_comparable>,
+    test::minimal::allocator<value_type> >
+    map;
 
-    equality_test(int_map);
-    equality_test(int_map2);
-    equality_test(map);
+  equality_test(int_map);
+  equality_test(int_map2);
+  equality_test(map);
 
-    boost::unordered_multimap<int, int> int_multimap;
+  boost::unordered_multimap<int, int> int_multimap;
 
-    boost::unordered_multimap<int, int, boost::hash<int>, std::equal_to<int>,
-        test::minimal::cxx11_allocator<std::pair<int const, int> > >
-        int_multimap2;
+  boost::unordered_multimap<int, int, boost::hash<int>, std::equal_to<int>,
+    test::minimal::cxx11_allocator<std::pair<int const, int> > >
+    int_multimap2;
 
-    boost::unordered_multimap<
-        test::minimal::copy_constructible_equality_comparable,
-        test::minimal::copy_constructible_equality_comparable,
-        test::minimal::hash<
-            test::minimal::copy_constructible_equality_comparable>,
-        test::minimal::equal_to<
-            test::minimal::copy_constructible_equality_comparable>,
-        test::minimal::allocator<value_type> >
-        multimap;
+  boost::unordered_multimap<
+    test::minimal::copy_constructible_equality_comparable,
+    test::minimal::copy_constructible_equality_comparable,
+    test::minimal::hash<test::minimal::copy_constructible_equality_comparable>,
+    test::minimal::equal_to<
+      test::minimal::copy_constructible_equality_comparable>,
+    test::minimal::allocator<value_type> >
+    multimap;
 
-    equality_test(int_multimap);
-    equality_test(int_multimap2);
-    equality_test(multimap);
+  equality_test(int_multimap);
+  equality_test(int_multimap2);
+  equality_test(multimap);
 }
 
-UNORDERED_AUTO_TEST(test1)
-{
-    boost::hash<int> hash;
-    std::equal_to<int> equal_to;
-    int value = 0;
-    std::pair<int const, int> map_value(0, 0);
+UNORDERED_AUTO_TEST (test1) {
+  boost::hash<int> hash;
+  std::equal_to<int> equal_to;
+  int value = 0;
+  std::pair<int const, int> map_value(0, 0);
 
-    std::cout << "Test unordered_map.\n";
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_map.\n";
 
-    boost::unordered_map<int, int> map;
+  boost::unordered_map<int, int> map;
 
-    boost::unordered_map<int, int, boost::hash<int>, std::equal_to<int>,
-        test::minimal::cxx11_allocator<std::pair<int const, int> > >
-        map2;
+  boost::unordered_map<int, int, boost::hash<int>, std::equal_to<int>,
+    test::minimal::cxx11_allocator<std::pair<int const, int> > >
+    map2;
 
-    unordered_unique_test(map, map_value);
-    unordered_map_test(map, value, value);
-    unordered_copyable_test(map, value, map_value, hash, equal_to);
-    unordered_map_functions(map, value, value);
+  unordered_unique_test(map, map_value);
+  unordered_map_test(map, value, value);
+  unordered_copyable_test(map, value, map_value, hash, equal_to);
+  unordered_map_functions(map, value, value);
 
-    unordered_unique_test(map2, map_value);
-    unordered_map_test(map2, value, value);
-    unordered_copyable_test(map2, value, map_value, hash, equal_to);
-    unordered_map_functions(map2, value, value);
+  unordered_unique_test(map2, map_value);
+  unordered_map_test(map2, value, value);
+  unordered_copyable_test(map2, value, map_value, hash, equal_to);
+  unordered_map_functions(map2, value, value);
 
-    std::cout << "Test unordered_multimap.\n";
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_multimap.\n";
 
-    boost::unordered_multimap<int, int> multimap;
+  boost::unordered_multimap<int, int> multimap;
 
-    boost::unordered_multimap<int, int, boost::hash<int>, std::equal_to<int>,
-        test::minimal::cxx11_allocator<std::pair<int const, int> > >
-        multimap2;
+  boost::unordered_multimap<int, int, boost::hash<int>, std::equal_to<int>,
+    test::minimal::cxx11_allocator<std::pair<int const, int> > >
+    multimap2;
 
-    unordered_equivalent_test(multimap, map_value);
-    unordered_map_test(multimap, value, value);
-    unordered_copyable_test(multimap, value, map_value, hash, equal_to);
+  unordered_equivalent_test(multimap, map_value);
+  unordered_map_test(multimap, value, value);
+  unordered_copyable_test(multimap, value, map_value, hash, equal_to);
 
-    unordered_equivalent_test(multimap2, map_value);
-    unordered_map_test(multimap2, value, value);
-    unordered_copyable_test(multimap2, value, map_value, hash, equal_to);
+  unordered_equivalent_test(multimap2, map_value);
+  unordered_map_test(multimap2, value, value);
+  unordered_copyable_test(multimap2, value, map_value, hash, equal_to);
 }
 
-UNORDERED_AUTO_TEST(test2)
+UNORDERED_AUTO_TEST (test2) {
+  test::minimal::constructor_param x;
+
+  test::minimal::assignable assignable(x);
+  test::minimal::copy_constructible copy_constructible(x);
+  test::minimal::hash<test::minimal::assignable> hash(x);
+  test::minimal::equal_to<test::minimal::assignable> equal_to(x);
+
+  typedef std::pair<test::minimal::assignable const, test::minimal::assignable>
+    map_value_type;
+  map_value_type map_value(assignable, assignable);
+
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_map.\n";
+
+  boost::unordered_map<test::minimal::assignable, test::minimal::assignable,
+    test::minimal::hash<test::minimal::assignable>,
+    test::minimal::equal_to<test::minimal::assignable>,
+    test::minimal::allocator<map_value_type> >
+    map;
+
+  unordered_unique_test(map, map_value);
+  unordered_map_test(map, assignable, assignable);
+  unordered_copyable_test(map, assignable, map_value, hash, equal_to);
+  unordered_map_member_test(map, map_value);
+
+  boost::unordered_map<test::minimal::assignable,
+    test::minimal::default_assignable,
+    test::minimal::hash<test::minimal::assignable>,
+    test::minimal::equal_to<test::minimal::assignable>,
+    test::minimal::allocator<map_value_type> >
+    map2;
+
+  test::minimal::default_assignable default_assignable;
+
+  unordered_map_functions(map2, assignable, default_assignable);
+
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_multimap.\n";
+
+  boost::unordered_multimap<test::minimal::assignable,
+    test::minimal::assignable, test::minimal::hash<test::minimal::assignable>,
+    test::minimal::equal_to<test::minimal::assignable>,
+    test::minimal::allocator<map_value_type> >
+    multimap;
+
+  unordered_equivalent_test(multimap, map_value);
+  unordered_map_test(multimap, assignable, assignable);
+  unordered_copyable_test(multimap, assignable, map_value, hash, equal_to);
+  unordered_map_member_test(multimap, map_value);
+}
+
+// Test for ambiguity when using key convertible from iterator
+// See LWG2059
+
+struct lwg2059_key
 {
-    test::minimal::constructor_param x;
+  int value;
 
-    test::minimal::assignable assignable(x);
-    test::minimal::copy_constructible copy_constructible(x);
-    test::minimal::hash<test::minimal::assignable> hash(x);
-    test::minimal::equal_to<test::minimal::assignable> equal_to(x);
+  template <typename T> lwg2059_key(T v) : value(v) {}
+};
 
-    typedef std::pair<test::minimal::assignable const,
-        test::minimal::assignable>
-        map_value_type;
-    map_value_type map_value(assignable, assignable);
+std::size_t hash_value(lwg2059_key x)
+{
+  return static_cast<std::size_t>(x.value);
+}
 
-    std::cout << "Test unordered_map.\n";
+bool operator==(lwg2059_key x, lwg2059_key y) { return x.value == y.value; }
 
-    boost::unordered_map<test::minimal::assignable, test::minimal::assignable,
-        test::minimal::hash<test::minimal::assignable>,
-        test::minimal::equal_to<test::minimal::assignable>,
-        test::minimal::allocator<map_value_type> >
-        map;
+UNORDERED_AUTO_TEST (lwg2059) {
+  {
+    boost::unordered_map<lwg2059_key, int> x;
+    x.emplace(lwg2059_key(10), 5);
+    x.erase(x.begin());
+  }
 
-    unordered_unique_test(map, map_value);
-    unordered_map_test(map, assignable, assignable);
-    unordered_copyable_test(map, assignable, map_value, hash, equal_to);
-    unordered_map_member_test(map, map_value);
-
-    boost::unordered_map<test::minimal::assignable,
-        test::minimal::default_assignable,
-        test::minimal::hash<test::minimal::assignable>,
-        test::minimal::equal_to<test::minimal::assignable>,
-        test::minimal::allocator<map_value_type> >
-        map2;
-
-    test::minimal::default_assignable default_assignable;
-
-    unordered_map_functions(map2, assignable, default_assignable);
-
-    std::cout << "Test unordered_multimap.\n";
-
-    boost::unordered_multimap<test::minimal::assignable,
-        test::minimal::assignable,
-        test::minimal::hash<test::minimal::assignable>,
-        test::minimal::equal_to<test::minimal::assignable>,
-        test::minimal::allocator<map_value_type> >
-        multimap;
-
-    unordered_equivalent_test(multimap, map_value);
-    unordered_map_test(multimap, assignable, assignable);
-    unordered_copyable_test(multimap, assignable, map_value, hash, equal_to);
-    unordered_map_member_test(multimap, map_value);
+  {
+    boost::unordered_multimap<lwg2059_key, int> x;
+    x.emplace(lwg2059_key(10), 5);
+    x.erase(x.begin());
+  }
 }
 
 RUN_TESTS()

test/unordered/compile_set.cpp

@@ -12,7 +12,6 @@
 #include "../helpers/postfix.hpp"
 // clang-format on
 
-#include <iostream>
 #include "../helpers/test.hpp"
 #include "../objects/minimal.hpp"
 #include "./compile_tests.hpp"
@@ -20,274 +19,295 @@
 // Explicit instantiation to catch compile-time errors
 
 #define INSTANTIATE(type)                                                      \
-    template class boost::unordered::detail::instantiate_##type
+  template class boost::unordered::detail::instantiate_##type
 
 INSTANTIATE(set)<int, boost::hash<int>, std::equal_to<int>,
-    test::minimal::allocator<int> >;
+  test::minimal::allocator<int> >;
 INSTANTIATE(multiset)<int const, boost::hash<int>, std::equal_to<int>,
-    test::minimal::allocator<int> >;
+  test::minimal::allocator<int> >;
 
 INSTANTIATE(set)<test::minimal::assignable const,
-    test::minimal::hash<test::minimal::assignable>,
-    test::minimal::equal_to<test::minimal::assignable>,
-    test::minimal::allocator<int> >;
+  test::minimal::hash<test::minimal::assignable>,
+  test::minimal::equal_to<test::minimal::assignable>,
+  test::minimal::allocator<int> >;
 INSTANTIATE(multiset)<test::minimal::assignable,
+  test::minimal::hash<test::minimal::assignable>,
+  test::minimal::equal_to<test::minimal::assignable>,
+  test::minimal::allocator<int> >;
+
+UNORDERED_AUTO_TEST (test0) {
+  test::minimal::constructor_param x;
+
+  test::minimal::assignable assignable(x);
+
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_set.\n";
+
+  boost::unordered_set<int> int_set;
+
+  boost::unordered_set<int, boost::hash<int>, std::equal_to<int>,
+    test::minimal::cxx11_allocator<int> >
+    int_set2;
+
+  boost::unordered_set<test::minimal::assignable,
     test::minimal::hash<test::minimal::assignable>,
     test::minimal::equal_to<test::minimal::assignable>,
-    test::minimal::allocator<int> >;
+    test::minimal::allocator<test::minimal::assignable> >
+    set;
 
-UNORDERED_AUTO_TEST(test0)
-{
-    test::minimal::constructor_param x;
+  container_test(int_set, 0);
+  container_test(int_set2, 0);
+  container_test(set, assignable);
 
-    test::minimal::assignable assignable(x);
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_multiset.\n";
 
-    std::cout << "Test unordered_set.\n";
+  boost::unordered_multiset<int> int_multiset;
 
-    boost::unordered_set<int> int_set;
+  boost::unordered_multiset<int, boost::hash<int>, std::equal_to<int>,
+    test::minimal::cxx11_allocator<int> >
+    int_multiset2;
 
-    boost::unordered_set<int, boost::hash<int>, std::equal_to<int>,
-        test::minimal::cxx11_allocator<int> >
-        int_set2;
+  boost::unordered_multiset<test::minimal::assignable,
+    test::minimal::hash<test::minimal::assignable>,
+    test::minimal::equal_to<test::minimal::assignable>,
+    test::minimal::allocator<test::minimal::assignable> >
+    multiset;
 
-    boost::unordered_set<test::minimal::assignable,
-        test::minimal::hash<test::minimal::assignable>,
-        test::minimal::equal_to<test::minimal::assignable>,
-        test::minimal::allocator<test::minimal::assignable> >
-        set;
-
-    container_test(int_set, 0);
-    container_test(int_set2, 0);
-    container_test(set, assignable);
-
-    std::cout << "Test unordered_multiset.\n";
-
-    boost::unordered_multiset<int> int_multiset;
-
-    boost::unordered_multiset<int, boost::hash<int>, std::equal_to<int>,
-        test::minimal::cxx11_allocator<int> >
-        int_multiset2;
-
-    boost::unordered_multiset<test::minimal::assignable,
-        test::minimal::hash<test::minimal::assignable>,
-        test::minimal::equal_to<test::minimal::assignable>,
-        test::minimal::allocator<test::minimal::assignable> >
-        multiset;
-
-    container_test(int_multiset, 0);
-    container_test(int_multiset2, 0);
-    container_test(multiset, assignable);
+  container_test(int_multiset, 0);
+  container_test(int_multiset2, 0);
+  container_test(multiset, assignable);
 }
 
-UNORDERED_AUTO_TEST(equality_tests)
-{
-    typedef test::minimal::copy_constructible_equality_comparable value_type;
+UNORDERED_AUTO_TEST (equality_tests) {
+  typedef test::minimal::copy_constructible_equality_comparable value_type;
 
-    boost::unordered_set<int> int_set;
+  boost::unordered_set<int> int_set;
 
-    boost::unordered_set<int, boost::hash<int>, std::equal_to<int>,
-        test::minimal::cxx11_allocator<int> >
-        int_set2;
+  boost::unordered_set<int, boost::hash<int>, std::equal_to<int>,
+    test::minimal::cxx11_allocator<int> >
+    int_set2;
 
-    boost::unordered_set<
-        test::minimal::copy_constructible_equality_comparable,
-        test::minimal::hash<
-            test::minimal::copy_constructible_equality_comparable>,
-        test::minimal::equal_to<
-            test::minimal::copy_constructible_equality_comparable>,
-        test::minimal::allocator<value_type> >
-        set;
+  boost::unordered_set<test::minimal::copy_constructible_equality_comparable,
+    test::minimal::hash<test::minimal::copy_constructible_equality_comparable>,
+    test::minimal::equal_to<
+      test::minimal::copy_constructible_equality_comparable>,
+    test::minimal::allocator<value_type> >
+    set;
 
-    equality_test(int_set);
-    equality_test(int_set2);
-    equality_test(set);
+  equality_test(int_set);
+  equality_test(int_set2);
+  equality_test(set);
 
-    boost::unordered_multiset<int> int_multiset;
+  boost::unordered_multiset<int> int_multiset;
 
-    boost::unordered_multiset<int, boost::hash<int>, std::equal_to<int>,
-        test::minimal::cxx11_allocator<int> >
-        int_multiset2;
+  boost::unordered_multiset<int, boost::hash<int>, std::equal_to<int>,
+    test::minimal::cxx11_allocator<int> >
+    int_multiset2;
 
-    boost::unordered_multiset<
-        test::minimal::copy_constructible_equality_comparable,
-        test::minimal::hash<
-            test::minimal::copy_constructible_equality_comparable>,
-        test::minimal::equal_to<
-            test::minimal::copy_constructible_equality_comparable>,
-        test::minimal::allocator<value_type> >
-        multiset;
+  boost::unordered_multiset<
+    test::minimal::copy_constructible_equality_comparable,
+    test::minimal::hash<test::minimal::copy_constructible_equality_comparable>,
+    test::minimal::equal_to<
+      test::minimal::copy_constructible_equality_comparable>,
+    test::minimal::allocator<value_type> >
+    multiset;
 
-    equality_test(int_multiset);
-    equality_test(int_multiset2);
-    equality_test(multiset);
+  equality_test(int_multiset);
+  equality_test(int_multiset2);
+  equality_test(multiset);
 }
 
-UNORDERED_AUTO_TEST(test1)
-{
-    boost::hash<int> hash;
-    std::equal_to<int> equal_to;
-    int value = 0;
+UNORDERED_AUTO_TEST (test1) {
+  boost::hash<int> hash;
+  std::equal_to<int> equal_to;
+  int value = 0;
 
-    std::cout << "Test unordered_set." << std::endl;
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_set." << std::endl;
 
-    boost::unordered_set<int> set;
+  boost::unordered_set<int> set;
 
-    boost::unordered_set<int, boost::hash<int>, std::equal_to<int>,
-        test::minimal::cxx11_allocator<int> >
-        set2;
+  boost::unordered_set<int, boost::hash<int>, std::equal_to<int>,
+    test::minimal::cxx11_allocator<int> >
+    set2;
 
-    unordered_unique_test(set, value);
-    unordered_set_test(set, value);
-    unordered_copyable_test(set, value, value, hash, equal_to);
+  unordered_unique_test(set, value);
+  unordered_set_test(set, value);
+  unordered_copyable_test(set, value, value, hash, equal_to);
 
-    unordered_unique_test(set2, value);
-    unordered_set_test(set2, value);
-    unordered_copyable_test(set2, value, value, hash, equal_to);
+  unordered_unique_test(set2, value);
+  unordered_set_test(set2, value);
+  unordered_copyable_test(set2, value, value, hash, equal_to);
 
-    std::cout << "Test unordered_multiset." << std::endl;
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_multiset." << std::endl;
 
-    boost::unordered_multiset<int> multiset;
+  boost::unordered_multiset<int> multiset;
 
-    boost::unordered_multiset<int, boost::hash<int>, std::equal_to<int>,
-        test::minimal::cxx11_allocator<int> >
-        multiset2;
+  boost::unordered_multiset<int, boost::hash<int>, std::equal_to<int>,
+    test::minimal::cxx11_allocator<int> >
+    multiset2;
 
-    unordered_equivalent_test(multiset, value);
-    unordered_set_test(multiset, value);
-    unordered_copyable_test(multiset, value, value, hash, equal_to);
+  unordered_equivalent_test(multiset, value);
+  unordered_set_test(multiset, value);
+  unordered_copyable_test(multiset, value, value, hash, equal_to);
 
-    unordered_equivalent_test(multiset2, value);
-    unordered_set_test(multiset2, value);
-    unordered_copyable_test(multiset2, value, value, hash, equal_to);
+  unordered_equivalent_test(multiset2, value);
+  unordered_set_test(multiset2, value);
+  unordered_copyable_test(multiset2, value, value, hash, equal_to);
 }
 
-UNORDERED_AUTO_TEST(test2)
-{
-    test::minimal::constructor_param x;
+UNORDERED_AUTO_TEST (test2) {
+  test::minimal::constructor_param x;
 
-    test::minimal::assignable assignable(x);
-    test::minimal::copy_constructible copy_constructible(x);
-    test::minimal::hash<test::minimal::assignable> hash(x);
-    test::minimal::equal_to<test::minimal::assignable> equal_to(x);
+  test::minimal::assignable assignable(x);
+  test::minimal::copy_constructible copy_constructible(x);
+  test::minimal::hash<test::minimal::assignable> hash(x);
+  test::minimal::equal_to<test::minimal::assignable> equal_to(x);
 
-    std::cout << "Test unordered_set.\n";
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_set.\n";
 
-    boost::unordered_set<test::minimal::assignable,
-        test::minimal::hash<test::minimal::assignable>,
-        test::minimal::equal_to<test::minimal::assignable>,
-        test::minimal::allocator<test::minimal::assignable> >
-        set;
+  boost::unordered_set<test::minimal::assignable,
+    test::minimal::hash<test::minimal::assignable>,
+    test::minimal::equal_to<test::minimal::assignable>,
+    test::minimal::allocator<test::minimal::assignable> >
+    set;
 
-    unordered_unique_test(set, assignable);
-    unordered_set_test(set, assignable);
-    unordered_copyable_test(set, assignable, assignable, hash, equal_to);
-    unordered_set_member_test(set, assignable);
+  unordered_unique_test(set, assignable);
+  unordered_set_test(set, assignable);
+  unordered_copyable_test(set, assignable, assignable, hash, equal_to);
+  unordered_set_member_test(set, assignable);
 
-    std::cout << "Test unordered_multiset.\n";
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_multiset.\n";
 
-    boost::unordered_multiset<test::minimal::assignable,
-        test::minimal::hash<test::minimal::assignable>,
-        test::minimal::equal_to<test::minimal::assignable>,
-        test::minimal::allocator<test::minimal::assignable> >
-        multiset;
+  boost::unordered_multiset<test::minimal::assignable,
+    test::minimal::hash<test::minimal::assignable>,
+    test::minimal::equal_to<test::minimal::assignable>,
+    test::minimal::allocator<test::minimal::assignable> >
+    multiset;
 
-    unordered_equivalent_test(multiset, assignable);
-    unordered_set_test(multiset, assignable);
-    unordered_copyable_test(multiset, assignable, assignable, hash, equal_to);
-    unordered_set_member_test(multiset, assignable);
+  unordered_equivalent_test(multiset, assignable);
+  unordered_set_test(multiset, assignable);
+  unordered_copyable_test(multiset, assignable, assignable, hash, equal_to);
+  unordered_set_member_test(multiset, assignable);
 }
 
-UNORDERED_AUTO_TEST(movable1_tests)
-{
-    test::minimal::constructor_param x;
+UNORDERED_AUTO_TEST (movable1_tests) {
+  test::minimal::constructor_param x;
 
-    test::minimal::movable1 movable1(x);
-    test::minimal::hash<test::minimal::movable1> hash(x);
-    test::minimal::equal_to<test::minimal::movable1> equal_to(x);
+  test::minimal::movable1 movable1(x);
+  test::minimal::hash<test::minimal::movable1> hash(x);
+  test::minimal::equal_to<test::minimal::movable1> equal_to(x);
 
-    std::cout << "Test unordered_set.\n";
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_set.\n";
 
-    boost::unordered_set<test::minimal::movable1,
-        test::minimal::hash<test::minimal::movable1>,
-        test::minimal::equal_to<test::minimal::movable1>,
-        test::minimal::allocator<test::minimal::movable1> >
-        set;
+  boost::unordered_set<test::minimal::movable1,
+    test::minimal::hash<test::minimal::movable1>,
+    test::minimal::equal_to<test::minimal::movable1>,
+    test::minimal::allocator<test::minimal::movable1> >
+    set;
 
-    // unordered_unique_test(set, movable1);
-    unordered_set_test(set, movable1);
-    unordered_movable_test(set, movable1, movable1, hash, equal_to);
+  // unordered_unique_test(set, movable1);
+  unordered_set_test(set, movable1);
+  unordered_movable_test(set, movable1, movable1, hash, equal_to);
 
-    std::cout << "Test unordered_multiset.\n";
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_multiset.\n";
 
-    boost::unordered_multiset<test::minimal::movable1,
-        test::minimal::hash<test::minimal::movable1>,
-        test::minimal::equal_to<test::minimal::movable1>,
-        test::minimal::allocator<test::minimal::movable1> >
-        multiset;
+  boost::unordered_multiset<test::minimal::movable1,
+    test::minimal::hash<test::minimal::movable1>,
+    test::minimal::equal_to<test::minimal::movable1>,
+    test::minimal::allocator<test::minimal::movable1> >
+    multiset;
 
-    // unordered_equivalent_test(multiset, movable1);
-    unordered_set_test(multiset, movable1);
-    unordered_movable_test(multiset, movable1, movable1, hash, equal_to);
+  // unordered_equivalent_test(multiset, movable1);
+  unordered_set_test(multiset, movable1);
+  unordered_movable_test(multiset, movable1, movable1, hash, equal_to);
 }
 
-UNORDERED_AUTO_TEST(movable2_tests)
-{
-    test::minimal::constructor_param x;
+UNORDERED_AUTO_TEST (movable2_tests) {
+  test::minimal::constructor_param x;
 
-    test::minimal::movable2 movable2(x);
-    test::minimal::hash<test::minimal::movable2> hash(x);
-    test::minimal::equal_to<test::minimal::movable2> equal_to(x);
+  test::minimal::movable2 movable2(x);
+  test::minimal::hash<test::minimal::movable2> hash(x);
+  test::minimal::equal_to<test::minimal::movable2> equal_to(x);
 
-    std::cout << "Test unordered_set.\n";
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_set.\n";
 
-    boost::unordered_set<test::minimal::movable2,
-        test::minimal::hash<test::minimal::movable2>,
-        test::minimal::equal_to<test::minimal::movable2>,
-        test::minimal::allocator<test::minimal::movable2> >
-        set;
+  boost::unordered_set<test::minimal::movable2,
+    test::minimal::hash<test::minimal::movable2>,
+    test::minimal::equal_to<test::minimal::movable2>,
+    test::minimal::allocator<test::minimal::movable2> >
+    set;
 
-    // unordered_unique_test(set, movable2);
-    unordered_set_test(set, movable2);
-    unordered_movable_test(set, movable2, movable2, hash, equal_to);
+  // unordered_unique_test(set, movable2);
+  unordered_set_test(set, movable2);
+  unordered_movable_test(set, movable2, movable2, hash, equal_to);
 
-    std::cout << "Test unordered_multiset.\n";
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_multiset.\n";
 
-    boost::unordered_multiset<test::minimal::movable2,
-        test::minimal::hash<test::minimal::movable2>,
-        test::minimal::equal_to<test::minimal::movable2>,
-        test::minimal::allocator<test::minimal::movable2> >
-        multiset;
+  boost::unordered_multiset<test::minimal::movable2,
+    test::minimal::hash<test::minimal::movable2>,
+    test::minimal::equal_to<test::minimal::movable2>,
+    test::minimal::allocator<test::minimal::movable2> >
+    multiset;
 
-    // unordered_equivalent_test(multiset, movable2);
-    unordered_set_test(multiset, movable2);
-    unordered_movable_test(multiset, movable2, movable2, hash, equal_to);
+  // unordered_equivalent_test(multiset, movable2);
+  unordered_set_test(multiset, movable2);
+  unordered_movable_test(multiset, movable2, movable2, hash, equal_to);
 }
 
-UNORDERED_AUTO_TEST(destructible_tests)
+UNORDERED_AUTO_TEST (destructible_tests) {
+  test::minimal::constructor_param x;
+
+  test::minimal::destructible destructible(x);
+  test::minimal::hash<test::minimal::destructible> hash(x);
+  test::minimal::equal_to<test::minimal::destructible> equal_to(x);
+
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_set.\n";
+
+  boost::unordered_set<test::minimal::destructible,
+    test::minimal::hash<test::minimal::destructible>,
+    test::minimal::equal_to<test::minimal::destructible> >
+    set;
+
+  unordered_destructible_test(set);
+
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_multiset.\n";
+
+  boost::unordered_multiset<test::minimal::destructible,
+    test::minimal::hash<test::minimal::destructible>,
+    test::minimal::equal_to<test::minimal::destructible> >
+    multiset;
+
+  unordered_destructible_test(multiset);
+}
+
+// Test for ambiguity when using key convertible from iterator
+// See LWG2059
+
+struct lwg2059_key
 {
-    test::minimal::constructor_param x;
+  int value;
 
-    test::minimal::destructible destructible(x);
-    test::minimal::hash<test::minimal::destructible> hash(x);
-    test::minimal::equal_to<test::minimal::destructible> equal_to(x);
+  template <typename T> lwg2059_key(T v) : value(v) {}
+};
 
-    std::cout << "Test unordered_set.\n";
+std::size_t hash_value(lwg2059_key x)
+{
+  return static_cast<std::size_t>(x.value);
+}
 
-    boost::unordered_set<test::minimal::destructible,
-        test::minimal::hash<test::minimal::destructible>,
-        test::minimal::equal_to<test::minimal::destructible> >
-        set;
+bool operator==(lwg2059_key x, lwg2059_key y) { return x.value == y.value; }
 
-    unordered_destructible_test(set);
+UNORDERED_AUTO_TEST (lwg2059) {
+  {
+    boost::unordered_set<lwg2059_key> x;
+    x.emplace(lwg2059_key(10));
+    x.erase(x.begin());
+  }
 
-    std::cout << "Test unordered_multiset.\n";
-
-    boost::unordered_multiset<test::minimal::destructible,
-        test::minimal::hash<test::minimal::destructible>,
-        test::minimal::equal_to<test::minimal::destructible> >
-        multiset;
-
-    unordered_destructible_test(multiset);
+  {
+    boost::unordered_multiset<lwg2059_key> x;
+    x.emplace(lwg2059_key(10));
+    x.erase(x.begin());
+  }
 }
 
 RUN_TESTS()

test/unordered/constructor_tests.cpp

@@ -20,434 +20,427 @@
 
 namespace constructor_tests {
 
-test::seed_t initialize_seed(356730);
+  test::seed_t initialize_seed(356730);
 
-template <class T> void constructor_tests1(T*, test::random_generator generator)
-{
-    BOOST_DEDUCED_TYPENAME T::hasher hf;
-    BOOST_DEDUCED_TYPENAME T::key_equal eq;
-    BOOST_DEDUCED_TYPENAME T::allocator_type al;
+  template <class T>
+  void constructor_tests1(T*, test::random_generator generator)
+  {
+    typename T::hasher hf;
+    typename T::key_equal eq;
+    typename T::allocator_type al;
 
-    std::cerr << "Construct 1\n";
+    UNORDERED_SUB_TEST("Construct 1")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x(0, hf, eq);
-        BOOST_TEST(x.empty());
-        BOOST_TEST(test::equivalent(x.hash_function(), hf));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_equivalent_keys(x);
+      T x(0, hf, eq);
+      BOOST_TEST(x.empty());
+      BOOST_TEST(test::equivalent(x.hash_function(), hf));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_equivalent_keys(x);
     }
 
-    std::cerr << "Construct 2\n";
+    UNORDERED_SUB_TEST("Construct 2")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x(100, hf);
-        BOOST_TEST(x.empty());
-        BOOST_TEST(x.bucket_count() >= 100);
-        BOOST_TEST(test::equivalent(x.hash_function(), hf));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_equivalent_keys(x);
+      T x(100, hf);
+      BOOST_TEST(x.empty());
+      BOOST_TEST(x.bucket_count() >= 100);
+      BOOST_TEST(test::equivalent(x.hash_function(), hf));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_equivalent_keys(x);
     }
 
-    std::cerr << "Construct 3\n";
+    UNORDERED_SUB_TEST("Construct 3")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x(2000);
-        BOOST_TEST(x.empty());
-        BOOST_TEST(x.bucket_count() >= 2000);
-        BOOST_TEST(test::equivalent(x.hash_function(), hf));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_equivalent_keys(x);
+      T x(2000);
+      BOOST_TEST(x.empty());
+      BOOST_TEST(x.bucket_count() >= 2000);
+      BOOST_TEST(test::equivalent(x.hash_function(), hf));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_equivalent_keys(x);
     }
 
-    std::cerr << "Construct 4\n";
+    UNORDERED_SUB_TEST("Construct 4")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x;
-        BOOST_TEST(x.empty());
-        BOOST_TEST(test::equivalent(x.hash_function(), hf));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_equivalent_keys(x);
+      T x;
+      BOOST_TEST(x.empty());
+      BOOST_TEST(test::equivalent(x.hash_function(), hf));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_equivalent_keys(x);
     }
 
-    std::cerr << "Construct 5\n";
+    UNORDERED_SUB_TEST("Construct 5")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(1000, generator);
-        T x(v.begin(), v.end(), 10000, hf, eq);
-        BOOST_TEST(x.bucket_count() >= 10000);
-        BOOST_TEST(test::equivalent(x.hash_function(), hf));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_container(x, v);
-        test::check_equivalent_keys(x);
+      test::random_values<T> v(1000, generator);
+      T x(v.begin(), v.end(), 10000, hf, eq);
+      BOOST_TEST(x.bucket_count() >= 10000);
+      BOOST_TEST(test::equivalent(x.hash_function(), hf));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_container(x, v);
+      test::check_equivalent_keys(x);
     }
 
-    std::cerr << "Construct 6\n";
+    UNORDERED_SUB_TEST("Construct 6")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(10, generator);
-        T x(v.begin(), v.end(), 10000, hf);
-        BOOST_TEST(x.bucket_count() >= 10000);
-        BOOST_TEST(test::equivalent(x.hash_function(), hf));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_container(x, v);
-        test::check_equivalent_keys(x);
+      test::random_values<T> v(10, generator);
+      T x(v.begin(), v.end(), 10000, hf);
+      BOOST_TEST(x.bucket_count() >= 10000);
+      BOOST_TEST(test::equivalent(x.hash_function(), hf));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_container(x, v);
+      test::check_equivalent_keys(x);
     }
 
-    std::cerr << "Construct 7\n";
+    UNORDERED_SUB_TEST("Construct 7")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(100, generator);
-        T x(v.begin(), v.end(), 100);
-        BOOST_TEST(x.bucket_count() >= 100);
-        BOOST_TEST(test::equivalent(x.hash_function(), hf));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_container(x, v);
-        test::check_equivalent_keys(x);
+      test::random_values<T> v(100, generator);
+      T x(v.begin(), v.end(), 100);
+      BOOST_TEST(x.bucket_count() >= 100);
+      BOOST_TEST(test::equivalent(x.hash_function(), hf));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_container(x, v);
+      test::check_equivalent_keys(x);
     }
 
-    std::cerr << "Construct 8\n";
+    UNORDERED_SUB_TEST("Construct 8")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(1, generator);
-        T x(v.begin(), v.end());
-        BOOST_TEST(test::equivalent(x.hash_function(), hf));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_container(x, v);
-        test::check_equivalent_keys(x);
+      test::random_values<T> v(1, generator);
+      T x(v.begin(), v.end());
+      BOOST_TEST(test::equivalent(x.hash_function(), hf));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_container(x, v);
+      test::check_equivalent_keys(x);
     }
 
-    std::cerr << "Construct 9\n";
+    UNORDERED_SUB_TEST("Construct 9")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x(0, hf, eq, al);
-        BOOST_TEST(x.empty());
-        BOOST_TEST(test::equivalent(x.hash_function(), hf));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_equivalent_keys(x);
+      T x(0, hf, eq, al);
+      BOOST_TEST(x.empty());
+      BOOST_TEST(test::equivalent(x.hash_function(), hf));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_equivalent_keys(x);
     }
 
-    std::cerr << "Construct 10\n";
+    UNORDERED_SUB_TEST("Construct 10")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(1000, generator);
-        T x(v.begin(), v.end(), 10000, hf, eq, al);
-        BOOST_TEST(x.bucket_count() >= 10000);
-        BOOST_TEST(test::equivalent(x.hash_function(), hf));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_container(x, v);
-        test::check_equivalent_keys(x);
+      test::random_values<T> v(1000, generator);
+      T x(v.begin(), v.end(), 10000, hf, eq, al);
+      BOOST_TEST(x.bucket_count() >= 10000);
+      BOOST_TEST(test::equivalent(x.hash_function(), hf));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_container(x, v);
+      test::check_equivalent_keys(x);
     }
 
-    std::cerr << "Construct 11\n";
+    UNORDERED_SUB_TEST("Construct 11")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x(al);
-        BOOST_TEST(x.empty());
-        BOOST_TEST(test::equivalent(x.hash_function(), hf));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_equivalent_keys(x);
+      T x(al);
+      BOOST_TEST(x.empty());
+      BOOST_TEST(test::equivalent(x.hash_function(), hf));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_equivalent_keys(x);
     }
-}
+  }
 
-template <class T>
-void constructor_tests2(T*, test::random_generator const& generator)
-{
-    BOOST_DEDUCED_TYPENAME T::hasher hf;
-    BOOST_DEDUCED_TYPENAME T::hasher hf1(1);
-    BOOST_DEDUCED_TYPENAME T::hasher hf2(2);
-    BOOST_DEDUCED_TYPENAME T::key_equal eq;
-    BOOST_DEDUCED_TYPENAME T::key_equal eq1(1);
-    BOOST_DEDUCED_TYPENAME T::key_equal eq2(2);
-    BOOST_DEDUCED_TYPENAME T::allocator_type al;
-    BOOST_DEDUCED_TYPENAME T::allocator_type al1(1);
-    BOOST_DEDUCED_TYPENAME T::allocator_type al2(2);
+  template <class T>
+  void constructor_tests2(T*, test::random_generator const& generator)
+  {
+    typename T::hasher hf;
+    typename T::hasher hf1(1);
+    typename T::hasher hf2(2);
+    typename T::key_equal eq;
+    typename T::key_equal eq1(1);
+    typename T::key_equal eq2(2);
+    typename T::allocator_type al;
+    typename T::allocator_type al1(1);
+    typename T::allocator_type al2(2);
 
-    std::cerr << "Construct 1\n";
+    UNORDERED_SUB_TEST("Construct 1")
     {
-        test::check_instances check_;
-        T x(10000, hf1, eq1);
-        BOOST_TEST(x.bucket_count() >= 10000);
-        BOOST_TEST(test::equivalent(x.hash_function(), hf1));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq1));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_equivalent_keys(x);
+      test::check_instances check_;
+      T x(10000, hf1, eq1);
+      BOOST_TEST(x.bucket_count() >= 10000);
+      BOOST_TEST(test::equivalent(x.hash_function(), hf1));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq1));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_equivalent_keys(x);
     }
 
-    std::cerr << "Construct 2\n";
+    UNORDERED_SUB_TEST("Construct 2")
     {
-        test::check_instances check_;
-        T x(100, hf1);
-        BOOST_TEST(x.empty());
-        BOOST_TEST(x.bucket_count() >= 100);
-        BOOST_TEST(test::equivalent(x.hash_function(), hf1));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_equivalent_keys(x);
+      test::check_instances check_;
+      T x(100, hf1);
+      BOOST_TEST(x.empty());
+      BOOST_TEST(x.bucket_count() >= 100);
+      BOOST_TEST(test::equivalent(x.hash_function(), hf1));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_equivalent_keys(x);
     }
 
-    std::cerr << "Construct 3\n";
+    UNORDERED_SUB_TEST("Construct 3")
     {
-        test::check_instances check_;
-        test::random_values<T> v(100, generator);
-        T x(v.begin(), v.end(), 0, hf1, eq1);
-        BOOST_TEST(test::equivalent(x.hash_function(), hf1));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq1));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_container(x, v);
-        test::check_equivalent_keys(x);
+      test::check_instances check_;
+      test::random_values<T> v(100, generator);
+      T x(v.begin(), v.end(), 0, hf1, eq1);
+      BOOST_TEST(test::equivalent(x.hash_function(), hf1));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq1));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_container(x, v);
+      test::check_equivalent_keys(x);
     }
 
-    std::cerr << "Construct 4\n";
+    UNORDERED_SUB_TEST("Construct 4")
     {
-        test::check_instances check_;
-        test::random_values<T> v(5, generator);
-        T x(v.begin(), v.end(), 1000, hf1);
-        BOOST_TEST(x.bucket_count() >= 1000);
-        BOOST_TEST(test::equivalent(x.hash_function(), hf1));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
-        test::check_container(x, v);
-        test::check_equivalent_keys(x);
+      test::check_instances check_;
+      test::random_values<T> v(5, generator);
+      T x(v.begin(), v.end(), 1000, hf1);
+      BOOST_TEST(x.bucket_count() >= 1000);
+      BOOST_TEST(test::equivalent(x.hash_function(), hf1));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      test::check_container(x, v);
+      test::check_equivalent_keys(x);
     }
 
-    std::cerr << "Construct 5\n";
+    UNORDERED_SUB_TEST("Construct 5")
     {
-        test::check_instances check_;
-        test::random_values<T> v(100, generator);
-        T x(v.begin(), v.end(), 0, hf, eq, al1);
-        T y(x.begin(), x.end(), 0, hf1, eq1, al2);
-        test::check_container(x, v);
-        test::check_container(y, x);
-        test::check_equivalent_keys(x);
-        test::check_equivalent_keys(y);
+      test::check_instances check_;
+      test::random_values<T> v(100, generator);
+      T x(v.begin(), v.end(), 0, hf, eq, al1);
+      T y(x.begin(), x.end(), 0, hf1, eq1, al2);
+      test::check_container(x, v);
+      test::check_container(y, x);
+      test::check_equivalent_keys(x);
+      test::check_equivalent_keys(y);
     }
 
-    std::cerr << "Construct 6\n";
+    UNORDERED_SUB_TEST("Construct 6")
     {
-        test::check_instances check_;
-        test::random_values<T> v(100, generator);
-        T x(v.begin(), v.end(), 0, hf1, eq1);
-        T y(x.begin(), x.end(), 0, hf, eq);
-        test::check_container(x, v);
-        test::check_container(y, x);
-        test::check_equivalent_keys(x);
-        test::check_equivalent_keys(y);
+      test::check_instances check_;
+      test::random_values<T> v(100, generator);
+      T x(v.begin(), v.end(), 0, hf1, eq1);
+      T y(x.begin(), x.end(), 0, hf, eq);
+      test::check_container(x, v);
+      test::check_container(y, x);
+      test::check_equivalent_keys(x);
+      test::check_equivalent_keys(y);
     }
 
-    std::cerr << "Construct 7\n";
+    UNORDERED_SUB_TEST("Construct 7")
     {
-        test::check_instances check_;
-        test::random_values<T> v(100, generator);
-        T x(v.begin(), v.end(), 0, hf1, eq1);
-        T y(x.begin(), x.end(), 0, hf2, eq2);
-        test::check_container(x, v);
-        test::check_container(y, x);
-        test::check_equivalent_keys(x);
-        test::check_equivalent_keys(y);
+      test::check_instances check_;
+      test::random_values<T> v(100, generator);
+      T x(v.begin(), v.end(), 0, hf1, eq1);
+      T y(x.begin(), x.end(), 0, hf2, eq2);
+      test::check_container(x, v);
+      test::check_container(y, x);
+      test::check_equivalent_keys(x);
+      test::check_equivalent_keys(y);
     }
 
-    std::cerr << "Construct 8 - from input iterator\n";
+    UNORDERED_SUB_TEST("Construct 8 - from input iterator")
     {
-        test::check_instances check_;
-        test::random_values<T> v(100, generator);
-        BOOST_DEDUCED_TYPENAME test::random_values<T>::const_iterator
-            v_begin = v.begin(),
-            v_end = v.end();
-        T x(test::input_iterator(v_begin), test::input_iterator(v_end), 0, hf1,
-            eq1);
-        BOOST_DEDUCED_TYPENAME T::const_iterator x_begin = x.begin(),
-                                                 x_end = x.end();
-        T y(test::input_iterator(x_begin), test::input_iterator(x_end), 0, hf2,
-            eq2);
-        test::check_container(x, v);
-        test::check_container(y, x);
-        test::check_equivalent_keys(x);
-        test::check_equivalent_keys(y);
+      test::check_instances check_;
+      test::random_values<T> v(100, generator);
+      typename test::random_values<T>::const_iterator v_begin = v.begin(),
+                                                      v_end = v.end();
+      T x(test::input_iterator(v_begin), test::input_iterator(v_end), 0, hf1,
+        eq1);
+      typename T::const_iterator x_begin = x.begin(), x_end = x.end();
+      T y(test::input_iterator(x_begin), test::input_iterator(x_end), 0, hf2,
+        eq2);
+      test::check_container(x, v);
+      test::check_container(y, x);
+      test::check_equivalent_keys(x);
+      test::check_equivalent_keys(y);
     }
 
-    std::cerr << "Construct 8.5 - from copy iterator\n";
+    UNORDERED_SUB_TEST("Construct 8.5 - from copy iterator")
     {
-        test::check_instances check_;
-        test::random_values<T> v(100, generator);
-        T x(test::copy_iterator(v.begin()), test::copy_iterator(v.end()), 0,
-            hf1, eq1);
-        T y(test::copy_iterator(x.begin()), test::copy_iterator(x.end()), 0,
-            hf2, eq2);
-        test::check_container(x, v);
-        test::check_container(y, x);
-        test::check_equivalent_keys(x);
-        test::check_equivalent_keys(y);
+      test::check_instances check_;
+      test::random_values<T> v(100, generator);
+      T x(test::copy_iterator(v.begin()), test::copy_iterator(v.end()), 0, hf1,
+        eq1);
+      T y(test::copy_iterator(x.begin()), test::copy_iterator(x.end()), 0, hf2,
+        eq2);
+      test::check_container(x, v);
+      test::check_container(y, x);
+      test::check_equivalent_keys(x);
+      test::check_equivalent_keys(y);
     }
 
-    std::cerr << "Construct 9\n";
+    UNORDERED_SUB_TEST("Construct 9")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(100, generator);
-        T x(50);
-        BOOST_TEST(x.bucket_count() >= 50);
-        x.max_load_factor(10);
-        BOOST_TEST(x.bucket_count() >= 50);
-        x.insert(v.begin(), v.end());
-        BOOST_TEST(x.bucket_count() >= 50);
-        test::check_container(x, v);
-        test::check_equivalent_keys(x);
+      test::random_values<T> v(100, generator);
+      T x(50);
+      BOOST_TEST(x.bucket_count() >= 50);
+      x.max_load_factor(10);
+      BOOST_TEST(x.bucket_count() >= 50);
+      x.insert(v.begin(), v.end());
+      BOOST_TEST(x.bucket_count() >= 50);
+      test::check_container(x, v);
+      test::check_equivalent_keys(x);
     }
 
 #if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
-    std::initializer_list<BOOST_DEDUCED_TYPENAME T::value_type> list;
+    std::initializer_list<typename T::value_type> list;
 
-    std::cerr << "Initializer list construct 1\n";
+    UNORDERED_SUB_TEST("Initializer list construct 1")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x(list);
-        BOOST_TEST(x.empty());
-        BOOST_TEST(test::equivalent(x.hash_function(), hf));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      T x(list);
+      BOOST_TEST(x.empty());
+      BOOST_TEST(test::equivalent(x.hash_function(), hf));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
     }
 
-    std::cerr << "Initializer list construct 2\n";
+    UNORDERED_SUB_TEST("Initializer list construct 2")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x(list, 1000);
-        BOOST_TEST(x.empty());
-        BOOST_TEST(x.bucket_count() >= 1000);
-        BOOST_TEST(test::equivalent(x.hash_function(), hf));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      T x(list, 1000);
+      BOOST_TEST(x.empty());
+      BOOST_TEST(x.bucket_count() >= 1000);
+      BOOST_TEST(test::equivalent(x.hash_function(), hf));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
     }
 
-    std::cerr << "Initializer list construct 3\n";
+    UNORDERED_SUB_TEST("Initializer list construct 3")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x(list, 10, hf1);
-        BOOST_TEST(x.empty());
-        BOOST_TEST(x.bucket_count() >= 10);
-        BOOST_TEST(test::equivalent(x.hash_function(), hf1));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      T x(list, 10, hf1);
+      BOOST_TEST(x.empty());
+      BOOST_TEST(x.bucket_count() >= 10);
+      BOOST_TEST(test::equivalent(x.hash_function(), hf1));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
     }
 
-    std::cerr << "Initializer list construct 4\n";
+    UNORDERED_SUB_TEST("Initializer list construct 4")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x(list, 10, hf1, eq1);
-        BOOST_TEST(x.empty());
-        BOOST_TEST(x.bucket_count() >= 10);
-        BOOST_TEST(test::equivalent(x.hash_function(), hf1));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq1));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al));
+      T x(list, 10, hf1, eq1);
+      BOOST_TEST(x.empty());
+      BOOST_TEST(x.bucket_count() >= 10);
+      BOOST_TEST(test::equivalent(x.hash_function(), hf1));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq1));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al));
     }
 
-    std::cerr << "Initializer list construct 5\n";
+    UNORDERED_SUB_TEST("Initializer list construct 5")
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x(list, 10, hf1, eq1, al1);
-        BOOST_TEST(x.empty());
-        BOOST_TEST(x.bucket_count() >= 10);
-        BOOST_TEST(test::equivalent(x.hash_function(), hf1));
-        BOOST_TEST(test::equivalent(x.key_eq(), eq1));
-        BOOST_TEST(test::equivalent(x.get_allocator(), al1));
+      T x(list, 10, hf1, eq1, al1);
+      BOOST_TEST(x.empty());
+      BOOST_TEST(x.bucket_count() >= 10);
+      BOOST_TEST(test::equivalent(x.hash_function(), hf1));
+      BOOST_TEST(test::equivalent(x.key_eq(), eq1));
+      BOOST_TEST(test::equivalent(x.get_allocator(), al1));
     }
 #endif
-}
+  }
 
-template <class T>
-void map_constructor_test(T*, test::random_generator const& generator)
-{
-    std::cerr << "map_constructor_test\n";
-
-    typedef test::list<std::pair<BOOST_DEDUCED_TYPENAME T::key_type,
-        BOOST_DEDUCED_TYPENAME T::mapped_type> >
-        list;
+  template <class T>
+  void map_constructor_test(T*, test::random_generator const& generator)
+  {
+    typedef test::list<
+      std::pair<typename T::key_type, typename T::mapped_type> >
+      list;
     test::random_values<T> v(1000, generator);
     list l(v.begin(), v.end());
     T x(l.begin(), l.end());
 
     test::check_container(x, v);
     test::check_equivalent_keys(x);
-}
+  }
 
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     std::allocator<test::object> >* test_map_std_alloc;
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_set;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::allocator2<test::object> >* test_multiset;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::allocator2<test::object> >* test_map;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, test::allocator1<test::object> >* test_multimap;
 
-using test::default_generator;
-using test::generate_collisions;
-using test::limited_range;
+  using test::default_generator;
+  using test::generate_collisions;
+  using test::limited_range;
 
-UNORDERED_TEST(constructor_tests1,
+  UNORDERED_TEST(constructor_tests1,
     ((test_map_std_alloc)(test_set)(test_multiset)(test_map)(test_multimap))(
-                   (default_generator)(generate_collisions)(limited_range)))
+      (default_generator)(generate_collisions)(limited_range)))
 
-UNORDERED_TEST(constructor_tests2,
+  UNORDERED_TEST(constructor_tests2,
     ((test_set)(test_multiset)(test_map)(test_multimap))(
-                   (default_generator)(generate_collisions)(limited_range)))
+      (default_generator)(generate_collisions)(limited_range)))
 
-UNORDERED_TEST(map_constructor_test,
+  UNORDERED_TEST(map_constructor_test,
     ((test_map_std_alloc)(test_map)(test_multimap))(
-                   (default_generator)(generate_collisions)(limited_range)))
+      (default_generator)(generate_collisions)(limited_range)))
 
 #if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
 
-UNORDERED_AUTO_TEST(test_default_initializer_list)
-{
-    std::cerr << "Initializer List Tests\n";
+  UNORDERED_AUTO_TEST (test_default_initializer_list) {
     std::initializer_list<int> init;
     boost::unordered_set<int> x1 = init;
     BOOST_TEST(x1.empty());
-}
+  }
 
 #endif
 
 #if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
 
-UNORDERED_AUTO_TEST(test_initializer_list)
-{
-    std::cerr << "Initializer List Tests\n";
+  UNORDERED_AUTO_TEST (test_initializer_list) {
     boost::unordered_set<int> x1 = {2, 10, 45, -5};
     BOOST_TEST(x1.find(10) != x1.end());
     BOOST_TEST(x1.find(46) == x1.end());
-}
+  }
 
 #endif
 }
 
-RUN_TESTS()
+RUN_TESTS_QUIET()

test/unordered/copy_tests.cpp

@@ -22,188 +22,188 @@ test::seed_t initialize_seed(9063);
 
 namespace copy_tests {
 
-template <class T>
-void copy_construct_tests1(T*, test::random_generator const& generator)
-{
-    typedef BOOST_DEDUCED_TYPENAME T::allocator_type allocator_type;
+  template <class T>
+  void copy_construct_tests1(T*, test::random_generator const& generator)
+  {
+    typedef typename T::allocator_type allocator_type;
 
-    BOOST_DEDUCED_TYPENAME T::hasher hf;
-    BOOST_DEDUCED_TYPENAME T::key_equal eq;
-    BOOST_DEDUCED_TYPENAME T::allocator_type al;
+    typename T::hasher hf;
+    typename T::key_equal eq;
+    typename T::allocator_type al;
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x;
-        T y(x);
-        BOOST_TEST(y.empty());
-        BOOST_TEST(test::equivalent(y.hash_function(), hf));
-        BOOST_TEST(test::equivalent(y.key_eq(), eq));
-        BOOST_TEST(test::equivalent(y.get_allocator(), al));
-        BOOST_TEST(x.max_load_factor() == y.max_load_factor());
-        BOOST_TEST(test::selected_count(y.get_allocator()) ==
-                   (allocator_type::is_select_on_copy));
-        test::check_equivalent_keys(y);
+      T x;
+      T y(x);
+      BOOST_TEST(y.empty());
+      BOOST_TEST(test::equivalent(y.hash_function(), hf));
+      BOOST_TEST(test::equivalent(y.key_eq(), eq));
+      BOOST_TEST(test::equivalent(y.get_allocator(), al));
+      BOOST_TEST(x.max_load_factor() == y.max_load_factor());
+      BOOST_TEST(test::selected_count(y.get_allocator()) ==
+                 (allocator_type::is_select_on_copy));
+      test::check_equivalent_keys(y);
     }
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(1000, generator);
+      test::random_values<T> v(1000, generator);
 
-        T x(v.begin(), v.end());
-        T y(x);
-        test::unordered_equivalence_tester<T> equivalent(x);
-        BOOST_TEST(equivalent(y));
-        BOOST_TEST(test::selected_count(y.get_allocator()) ==
-                   (allocator_type::is_select_on_copy));
-        test::check_equivalent_keys(y);
+      T x(v.begin(), v.end());
+      T y(x);
+      test::unordered_equivalence_tester<T> equivalent(x);
+      BOOST_TEST(equivalent(y));
+      BOOST_TEST(test::selected_count(y.get_allocator()) ==
+                 (allocator_type::is_select_on_copy));
+      test::check_equivalent_keys(y);
     }
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        // In this test I drop the original containers max load factor, so it
-        // is much lower than the load factor. The hash table is not allowed
-        // to rehash, but the destination container should probably allocate
-        // enough buckets to decrease the load factor appropriately.
-        test::random_values<T> v(1000, generator);
-        T x(v.begin(), v.end());
-        x.max_load_factor(x.load_factor() / 4);
-        T y(x);
-        test::unordered_equivalence_tester<T> equivalent(x);
-        BOOST_TEST(equivalent(y));
-        // This isn't guaranteed:
-        BOOST_TEST(y.load_factor() < y.max_load_factor());
-        BOOST_TEST(test::selected_count(y.get_allocator()) ==
-                   (allocator_type::is_select_on_copy));
-        test::check_equivalent_keys(y);
+      // In this test I drop the original containers max load factor, so it
+      // is much lower than the load factor. The hash table is not allowed
+      // to rehash, but the destination container should probably allocate
+      // enough buckets to decrease the load factor appropriately.
+      test::random_values<T> v(1000, generator);
+      T x(v.begin(), v.end());
+      x.max_load_factor(x.load_factor() / 4);
+      T y(x);
+      test::unordered_equivalence_tester<T> equivalent(x);
+      BOOST_TEST(equivalent(y));
+      // This isn't guaranteed:
+      BOOST_TEST(y.load_factor() < y.max_load_factor());
+      BOOST_TEST(test::selected_count(y.get_allocator()) ==
+                 (allocator_type::is_select_on_copy));
+      test::check_equivalent_keys(y);
     }
-}
+  }
 
-template <class T>
-void copy_construct_tests2(T*, test::random_generator const& generator)
-{
-    BOOST_DEDUCED_TYPENAME T::hasher hf(1);
-    BOOST_DEDUCED_TYPENAME T::key_equal eq(1);
-    BOOST_DEDUCED_TYPENAME T::allocator_type al(1);
-    BOOST_DEDUCED_TYPENAME T::allocator_type al2(2);
+  template <class T>
+  void copy_construct_tests2(T*, test::random_generator const& generator)
+  {
+    typename T::hasher hf(1);
+    typename T::key_equal eq(1);
+    typename T::allocator_type al(1);
+    typename T::allocator_type al2(2);
 
-    typedef BOOST_DEDUCED_TYPENAME T::allocator_type allocator_type;
+    typedef typename T::allocator_type allocator_type;
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x(10000, hf, eq, al);
-        T y(x);
-        BOOST_TEST(y.empty());
-        BOOST_TEST(test::equivalent(y.hash_function(), hf));
-        BOOST_TEST(test::equivalent(y.key_eq(), eq));
-        BOOST_TEST(test::equivalent(y.get_allocator(), al));
-        BOOST_TEST(x.max_load_factor() == y.max_load_factor());
-        BOOST_TEST(test::selected_count(y.get_allocator()) ==
-                   (allocator_type::is_select_on_copy));
-        test::check_equivalent_keys(y);
+      T x(10000, hf, eq, al);
+      T y(x);
+      BOOST_TEST(y.empty());
+      BOOST_TEST(test::equivalent(y.hash_function(), hf));
+      BOOST_TEST(test::equivalent(y.key_eq(), eq));
+      BOOST_TEST(test::equivalent(y.get_allocator(), al));
+      BOOST_TEST(x.max_load_factor() == y.max_load_factor());
+      BOOST_TEST(test::selected_count(y.get_allocator()) ==
+                 (allocator_type::is_select_on_copy));
+      test::check_equivalent_keys(y);
     }
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T x(1000, hf, eq, al);
-        T y(x, al2);
-        BOOST_TEST(y.empty());
-        BOOST_TEST(test::equivalent(y.hash_function(), hf));
-        BOOST_TEST(test::equivalent(y.key_eq(), eq));
-        BOOST_TEST(test::equivalent(y.get_allocator(), al2));
-        BOOST_TEST(x.max_load_factor() == y.max_load_factor());
-        BOOST_TEST(test::selected_count(y.get_allocator()) == 0);
-        test::check_equivalent_keys(y);
+      T x(1000, hf, eq, al);
+      T y(x, al2);
+      BOOST_TEST(y.empty());
+      BOOST_TEST(test::equivalent(y.hash_function(), hf));
+      BOOST_TEST(test::equivalent(y.key_eq(), eq));
+      BOOST_TEST(test::equivalent(y.get_allocator(), al2));
+      BOOST_TEST(x.max_load_factor() == y.max_load_factor());
+      BOOST_TEST(test::selected_count(y.get_allocator()) == 0);
+      test::check_equivalent_keys(y);
     }
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(1000, generator);
+      test::random_values<T> v(1000, generator);
 
-        T x(v.begin(), v.end(), 0, hf, eq, al);
-        T y(x);
-        test::unordered_equivalence_tester<T> equivalent(x);
-        BOOST_TEST(equivalent(y));
-        test::check_equivalent_keys(y);
-        BOOST_TEST(test::selected_count(y.get_allocator()) ==
-                   (allocator_type::is_select_on_copy));
-        BOOST_TEST(test::equivalent(y.get_allocator(), al));
+      T x(v.begin(), v.end(), 0, hf, eq, al);
+      T y(x);
+      test::unordered_equivalence_tester<T> equivalent(x);
+      BOOST_TEST(equivalent(y));
+      test::check_equivalent_keys(y);
+      BOOST_TEST(test::selected_count(y.get_allocator()) ==
+                 (allocator_type::is_select_on_copy));
+      BOOST_TEST(test::equivalent(y.get_allocator(), al));
     }
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(500, generator);
+      test::random_values<T> v(500, generator);
 
-        T x(v.begin(), v.end(), 0, hf, eq, al);
-        T y(x, al2);
-        test::unordered_equivalence_tester<T> equivalent(x);
-        BOOST_TEST(equivalent(y));
-        test::check_equivalent_keys(y);
-        BOOST_TEST(test::selected_count(y.get_allocator()) == 0);
-        BOOST_TEST(test::equivalent(y.get_allocator(), al2));
+      T x(v.begin(), v.end(), 0, hf, eq, al);
+      T y(x, al2);
+      test::unordered_equivalence_tester<T> equivalent(x);
+      BOOST_TEST(equivalent(y));
+      test::check_equivalent_keys(y);
+      BOOST_TEST(test::selected_count(y.get_allocator()) == 0);
+      BOOST_TEST(test::equivalent(y.get_allocator(), al2));
     }
-}
+  }
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_set;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::allocator2<test::object> >* test_multiset;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_map;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, test::allocator2<test::object> >* test_multimap;
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::select_copy> >*
     test_set_select_copy;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::select_copy> >*
     test_multiset_select_copy;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::select_copy> >*
     test_map_select_copy;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, test::cxx11_allocator<test::object, test::select_copy> >*
     test_multimap_select_copy;
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::no_select_copy> >*
     test_set_no_select_copy;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::no_select_copy> >*
     test_multiset_no_select_copy;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::no_select_copy> >*
     test_map_no_select_copy;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, test::cxx11_allocator<test::object, test::no_select_copy> >*
     test_multimap_no_select_copy;
 
-using test::default_generator;
-using test::generate_collisions;
-using test::limited_range;
+  using test::default_generator;
+  using test::generate_collisions;
+  using test::limited_range;
 
-UNORDERED_TEST(copy_construct_tests1,
+  UNORDERED_TEST(copy_construct_tests1,
     ((test_set)(test_multiset)(test_map)(test_multimap)(test_set_select_copy)(
-        test_multiset_select_copy)(test_map_select_copy)(
-        test_multimap_select_copy)(test_set_no_select_copy)(
-        test_multiset_no_select_copy)(test_map_no_select_copy)(
-        test_multimap_no_select_copy))(
-                   (default_generator)(generate_collisions)(limited_range)))
+      test_multiset_select_copy)(test_map_select_copy)(
+      test_multimap_select_copy)(test_set_no_select_copy)(
+      test_multiset_no_select_copy)(test_map_no_select_copy)(
+      test_multimap_no_select_copy))(
+      (default_generator)(generate_collisions)(limited_range)))
 
-UNORDERED_TEST(copy_construct_tests2,
+  UNORDERED_TEST(copy_construct_tests2,
     ((test_set)(test_multiset)(test_map)(test_multimap)(test_set_select_copy)(
-        test_multiset_select_copy)(test_map_select_copy)(
-        test_multimap_select_copy)(test_set_no_select_copy)(
-        test_multiset_no_select_copy)(test_map_no_select_copy)(
-        test_multimap_no_select_copy))(
-                   (default_generator)(generate_collisions)(limited_range)))
+      test_multiset_select_copy)(test_map_select_copy)(
+      test_multimap_select_copy)(test_set_no_select_copy)(
+      test_multiset_no_select_copy)(test_map_no_select_copy)(
+      test_multimap_no_select_copy))(
+      (default_generator)(generate_collisions)(limited_range)))
 }
 
 RUN_TESTS()

test/unordered/deduction_tests.cpp

@@ -0,0 +1,352 @@
+
+// Copyright 2017-2018 Daniel James.
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/unordered_map.hpp>
+#include <iostream>
+#include <vector>
+
+#if BOOST_UNORDERED_TEMPLATE_DEDUCTION_GUIDES
+struct hash_equals
+{
+  template <typename T> bool operator()(T const& x) const
+  {
+    boost::hash<T> hf;
+    return hf(x);
+  }
+
+  template <typename T> bool operator()(T const& x, T const& y) const
+  {
+    std::equal_to<T> eq;
+    return eq(x, y);
+  }
+};
+
+template <typename T> struct test_allocator
+{
+  typedef T value_type;
+  test_allocator() = default;
+  template <typename T2> test_allocator(test_allocator<T2> const&) {}
+  T* allocate(std::size_t n) const { return (T*)malloc(sizeof(T) * n); }
+  void deallocate(T* ptr, std::size_t) const { free(ptr); }
+  bool operator==(test_allocator const&) { return true; }
+  bool operator!=(test_allocator const&) { return false; }
+};
+#endif
+
+int main()
+{
+  std::cout << "BOOST_UNORDERED_TEMPLATE_DEDUCTION_GUIDES: "
+            << BOOST_UNORDERED_TEMPLATE_DEDUCTION_GUIDES << std::endl;
+
+#if BOOST_UNORDERED_TEMPLATE_DEDUCTION_GUIDES
+  std::vector<std::pair<int, int> > x;
+  x.push_back(std::make_pair(1, 3));
+  x.push_back(std::make_pair(5, 10));
+  test_allocator<std::pair<const int, int> > pair_allocator;
+  hash_equals f;
+
+  // unordered_map
+
+  /*
+   template<class InputIterator,
+           class Hash = hash<iter_key_t<InputIterator>>,
+           class Pred = equal_to<iter_key_t<InputIterator>>,
+           class Allocator = allocator<iter_to_alloc_t<InputIterator>>>
+    unordered_map(InputIterator, InputIterator, typename see below::size_type =
+   see below,
+                  Hash = Hash(), Pred = Pred(), Allocator = Allocator())
+      -> unordered_map<iter_key_t<InputIterator>, iter_val_t<InputIterator>,
+   Hash, Pred,
+                       Allocator>;
+  */
+
+  {
+    boost::unordered_map m(x.begin(), x.end());
+    static_assert(
+      std::is_same<decltype(m), boost::unordered_map<int, int> >::value);
+  }
+
+  /* Ambiguous:
+  {
+    boost::unordered_map m(x.begin(), x.end(), 0, std::hash<int>());
+    static_assert(std::is_same<decltype(m),boost::unordered_map<int, int,
+  std::hash<int>>>::value);
+  }
+
+  {
+    boost::unordered_map m(x.begin(), x.end(), 0, std::hash<int>(),
+  std::equal_to<int>());
+    static_assert(std::is_same<decltype(m),boost::unordered_map<int, int,
+  std::hash<int>, std::equal_to<int>>>::value);
+  }
+  */
+
+  {
+    boost::unordered_map m(x.begin(), x.end(), 0, std::hash<int>(),
+      std::equal_to<int>(), pair_allocator);
+    static_assert(std::is_same<decltype(m),
+      boost::unordered_map<int, int, std::hash<int>, std::equal_to<int>,
+        test_allocator<std::pair<const int, int> > > >::value);
+  }
+
+  /*
+  template<class Key, class T, class Hash = hash<Key>,
+           class Pred = equal_to<Key>, class Allocator = allocator<pair<const
+  Key, T>>>
+    unordered_map(initializer_list<pair<const Key, T>>,
+                  typename see below::size_type = see below, Hash = Hash(),
+                  Pred = Pred(), Allocator = Allocator())
+      -> unordered_map<Key, T, Hash, Pred, Allocator>;
+  */
+
+  {
+    boost::unordered_map m({std::pair<int const, int>(1, 2)});
+    static_assert(
+      std::is_same<decltype(m), boost::unordered_map<int, int> >::value);
+  }
+
+  /* Ambiguous
+  {
+    boost::unordered_map m({std::pair<int const, int>(1,2)}, 0,
+  std::hash<int>());
+    static_assert(std::is_same<decltype(m),boost::unordered_map<int, int,
+  std::hash<int>>>::value);
+  }
+
+  {
+    boost::unordered_map m({std::pair<int const, int>(1,2)}, 0,
+  std::hash<int>(), std::equal_to<int>());
+    static_assert(std::is_same<decltype(m),boost::unordered_map<int, int,
+  std::hash<int>, std::equal_to<int>>>::value);
+  }
+  */
+
+  {
+    boost::unordered_map m(
+      {std::pair<int const, int>(1, 2)}, 0, f, f, pair_allocator);
+    static_assert(std::is_same<decltype(m),
+      boost::unordered_map<int, int, hash_equals, hash_equals,
+        test_allocator<std::pair<const int, int> > > >::value);
+  }
+
+  /*
+  template<class InputIterator, class Allocator>
+    unordered_map(InputIterator, InputIterator, typename see below::size_type,
+  Allocator)
+      -> unordered_map<iter_key_t<InputIterator>, iter_val_t<InputIterator>,
+                       hash<iter_key_t<InputIterator>>,
+  equal_to<iter_key_t<InputIterator>>,
+                       Allocator>;
+  */
+
+  /* Ambiguous
+  {
+    boost::unordered_map m(x.begin(), x.end(), 0u, pair_allocator);
+    static_assert(std::is_same<decltype(m), boost::unordered_map<int, int,
+  boost::hash<int>, std::equal_to<int>, test_allocator<std::pair<const int,
+  int>>>>::value);
+  }
+  */
+
+  /*
+    template<class InputIterator, class Allocator>
+    unordered_map(InputIterator, InputIterator, Allocator)
+      -> unordered_map<iter_key_t<InputIterator>, iter_val_t<InputIterator>,
+                       hash<iter_key_t<InputIterator>>,
+    equal_to<iter_key_t<InputIterator>>,
+                       Allocator>;
+  */
+
+  /* No constructor:
+  {
+    boost::unordered_map m(x.begin(), x.end(), pair_allocator);
+    static_assert(std::is_same<decltype(m), boost::unordered_map<int, int,
+  boost::hash<int>, std::equal_to<int>, test_allocator<std::pair<const int,
+  int>>>>::value);
+  }
+  */
+
+  /*
+  template<class InputIterator, class Hash, class Allocator>
+    unordered_map(InputIterator, InputIterator, typename see below::size_type,
+  Hash, Allocator)
+      -> unordered_map<iter_key_t<InputIterator>, iter_val_t<InputIterator>,
+  Hash,
+                       equal_to<iter_key_t<InputIterator>>, Allocator>;
+  */
+
+  /* Ambiguous
+  {
+    boost::unordered_map m(x.begin(), x.end(), 0u, f, pair_allocator);
+    static_assert(std::is_same<decltype(m), boost::unordered_map<int, int,
+  hash_equals, std::equal_to<int>, test_allocator<std::pair<const int,
+  int>>>>::value);
+  }
+  */
+
+  /*
+    template<class Key, class T, typename Allocator>
+    unordered_map(initializer_list<pair<const Key, T>>, typename see
+    below::size_type,
+                  Allocator)
+      -> unordered_map<Key, T, hash<Key>, equal_to<Key>, Allocator>;
+  */
+
+  /* Ambiguous
+  {
+    boost::unordered_map m({std::pair<int const, int>(1,2)}, 0, pair_allocator);
+    static_assert(std::is_same<decltype(m),boost::unordered_map<int, int,
+  boost::hash<int>, std::equal_to<int>, test_allocator<std::pair<const int,
+  int>>>>::value);
+  }
+  */
+
+  /*
+  template<class Key, class T, typename Allocator>
+    unordered_map(initializer_list<pair<const Key, T>>, Allocator)
+      -> unordered_map<Key, T, hash<Key>, equal_to<Key>, Allocator>;
+  */
+
+  {
+    boost::unordered_map m({std::pair<int const, int>(1, 2)}, pair_allocator);
+    static_assert(std::is_same<decltype(m),
+      boost::unordered_map<int, int, boost::hash<int>, std::equal_to<int>,
+        test_allocator<std::pair<const int, int> > > >::value);
+  }
+
+  /*
+  template<class Key, class T, class Hash, class Allocator>
+    unordered_map(initializer_list<pair<const Key, T>>, typename see
+  below::size_type, Hash,
+                  Allocator)
+      -> unordered_map<Key, T, Hash, equal_to<Key>, Allocator>;
+  */
+
+  /* Ambiguous
+  {
+    boost::unordered_map m({std::pair<int const, int>(1,2)}, 0, f,
+  pair_allocator);
+    static_assert(std::is_same<decltype(m),boost::unordered_map<int, int,
+  boost::hash<int>, std::equal_to<int>, test_allocator<std::pair<const int,
+  int>>>>::value);
+  }
+  */
+
+  // unordered_multimap
+
+  {
+    boost::unordered_multimap m(x.begin(), x.end());
+    static_assert(
+      std::is_same<decltype(m), boost::unordered_multimap<int, int> >::value);
+  }
+
+  /* Ambiguous:
+  {
+    boost::unordered_multimap m(x.begin(), x.end(), 0, std::hash<int>());
+    static_assert(std::is_same<decltype(m),boost::unordered_multimap<int, int,
+  std::hash<int>>>::value);
+  }
+
+  {
+    boost::unordered_multimap m(x.begin(), x.end(), 0, std::hash<int>(),
+  std::equal_to<int>());
+    static_assert(std::is_same<decltype(m),boost::unordered_multimap<int, int,
+  std::hash<int>, std::equal_to<int>>>::value);
+  }
+  */
+
+  {
+    boost::unordered_multimap m(x.begin(), x.end(), 0, std::hash<int>(),
+      std::equal_to<int>(), pair_allocator);
+    static_assert(std::is_same<decltype(m),
+      boost::unordered_multimap<int, int, std::hash<int>, std::equal_to<int>,
+        test_allocator<std::pair<const int, int> > > >::value);
+  }
+
+  {
+    boost::unordered_multimap m({std::pair<int const, int>(1, 2)});
+    static_assert(
+      std::is_same<decltype(m), boost::unordered_multimap<int, int> >::value);
+  }
+
+  /* Ambiguous
+  {
+    boost::unordered_multimap m({std::pair<int const, int>(1,2)}, 0,
+  std::hash<int>());
+    static_assert(std::is_same<decltype(m),boost::unordered_multimap<int, int,
+  std::hash<int>>>::value);
+  }
+
+  {
+    boost::unordered_multimap m({std::pair<int const, int>(1,2)}, 0,
+  std::hash<int>(), std::equal_to<int>());
+    static_assert(std::is_same<decltype(m),boost::unordered_multimap<int, int,
+  std::hash<int>, std::equal_to<int>>>::value);
+  }
+  */
+
+  {
+    boost::unordered_multimap m(
+      {std::pair<int const, int>(1, 2)}, 0, f, f, pair_allocator);
+    static_assert(std::is_same<decltype(m),
+      boost::unordered_multimap<int, int, hash_equals, hash_equals,
+        test_allocator<std::pair<const int, int> > > >::value);
+  }
+
+  /* Ambiguous
+  {
+    boost::unordered_multimap m(x.begin(), x.end(), 0u, pair_allocator);
+    static_assert(std::is_same<decltype(m), boost::unordered_multimap<int, int,
+  boost::hash<int>, std::equal_to<int>, test_allocator<std::pair<const int,
+  int>>>>::value);
+  }
+  */
+
+  /* No constructor:
+  {
+    boost::unordered_multimap m(x.begin(), x.end(), pair_allocator);
+    static_assert(std::is_same<decltype(m), boost::unordered_multimap<int, int,
+  boost::hash<int>, std::equal_to<int>, test_allocator<std::pair<const int,
+  int>>>>::value);
+  }
+  */
+
+  /* Ambiguous
+  {
+    boost::unordered_multimap m(x.begin(), x.end(), 0u, f, pair_allocator);
+    static_assert(std::is_same<decltype(m), boost::unordered_multimap<int, int,
+  hash_equals, std::equal_to<int>, test_allocator<std::pair<const int,
+  int>>>>::value);
+  }
+
+  {
+    boost::unordered_multimap m({std::pair<int const, int>(1,2)}, 0,
+  pair_allocator);
+    static_assert(std::is_same<decltype(m),boost::unordered_multimap<int, int,
+  boost::hash<int>, std::equal_to<int>, test_allocator<std::pair<const int,
+  int>>>>::value);
+  }
+  */
+
+  {
+    boost::unordered_multimap m(
+      {std::pair<int const, int>(1, 2)}, pair_allocator);
+    static_assert(std::is_same<decltype(m),
+      boost::unordered_multimap<int, int, boost::hash<int>, std::equal_to<int>,
+        test_allocator<std::pair<const int, int> > > >::value);
+  }
+
+/* Ambiguous
+{
+  boost::unordered_multimap m({std::pair<int const, int>(1,2)}, 0, f,
+pair_allocator);
+  static_assert(std::is_same<decltype(m),boost::unordered_multimap<int, int,
+boost::hash<int>, std::equal_to<int>, test_allocator<std::pair<const int,
+int>>>>::value);
+}
+*/
+
+#endif
+}

test/unordered/detail_tests.cpp

@@ -0,0 +1,101 @@
+
+// Copyright 2017 Daniel James.
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// clang-format off
+#include "../helpers/prefix.hpp"
+#include <boost/unordered_map.hpp>
+#include <boost/unordered_set.hpp>
+#include "../helpers/postfix.hpp"
+// clang-format on
+
+#include "../helpers/test.hpp"
+#include <map>
+
+// Pretty inefficient, but the test is fast enough.
+// Might be too slow if we had larger primes?
+bool is_prime(std::size_t x)
+{
+  if (x == 2) {
+    return true;
+  } else if (x == 1 || x % 2 == 0) {
+    return false;
+  } else {
+    // y*y <= x had rounding errors, so instead use y <= (x/y).
+    for (std::size_t y = 3; y <= (x / y); y += 2) {
+      if (x % y == 0) {
+        return false;
+        break;
+      }
+    }
+
+    return true;
+  }
+}
+
+void test_next_prime(std::size_t value)
+{
+  std::size_t x = boost::unordered::detail::next_prime(value);
+  BOOST_TEST(is_prime(x));
+  BOOST_TEST(x >= value);
+}
+
+void test_prev_prime(std::size_t value)
+{
+  std::size_t x = boost::unordered::detail::prev_prime(value);
+  BOOST_TEST(is_prime(x));
+  BOOST_TEST(x <= value);
+  if (x > value) {
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << x << "," << value << std::endl;
+  }
+}
+
+UNORDERED_AUTO_TEST (next_prime_test) {
+  BOOST_TEST(!is_prime(0));
+  BOOST_TEST(!is_prime(1));
+  BOOST_TEST(is_prime(2));
+  BOOST_TEST(is_prime(3));
+  BOOST_TEST(is_prime(13));
+  BOOST_TEST(!is_prime(4));
+  BOOST_TEST(!is_prime(100));
+
+  BOOST_TEST(boost::unordered::detail::next_prime(0) > 0);
+
+  // test_prev_prime doesn't work for values less than 17.
+  // Which should be okay, unless an allocator has a really tiny
+  // max_size?
+  const std::size_t min_prime = 17;
+
+  // test_next_prime doesn't work for values greater than this,
+  // which might be a problem if you've got terrabytes of memory?
+  // I seriously doubt the container would work well at such sizes
+  // regardless.
+  const std::size_t max_prime = 4294967291ul;
+
+  std::size_t i;
+
+  BOOST_TEST(is_prime(min_prime));
+  BOOST_TEST(is_prime(max_prime));
+
+  for (i = 0; i < 10000; ++i) {
+    if (i < min_prime) {
+      BOOST_TEST(boost::unordered::detail::prev_prime(i) == min_prime);
+    } else {
+      test_prev_prime(i);
+    }
+    test_next_prime(i);
+  }
+
+  std::size_t last = i - 1;
+  for (; i > last; last = i, i += i / 5) {
+    if (i > max_prime) {
+      BOOST_TEST(boost::unordered::detail::next_prime(i) == max_prime);
+    } else {
+      test_next_prime(i);
+    }
+    test_prev_prime(i);
+  }
+}
+
+RUN_TESTS()

test/unordered/emplace_tests.cpp

@@ -19,9 +19,9 @@
 // arguments.
 
 namespace emplace_tests {
-// Constructible with 2 to 10 arguments
-struct emplace_value : private test::counted_object
-{
+  // Constructible with 2 to 10 arguments
+  struct emplace_value : private test::counted_object
+  {
     typedef int A0;
     typedef std::string A1;
     typedef char A2;
@@ -59,40 +59,40 @@ struct emplace_value : private test::counted_object
     }
 
     emplace_value(
-        A0 const& b0, A1 const& b1, A2 const& b2, A3 const& b3, A4 const& b4)
+      A0 const& b0, A1 const& b1, A2 const& b2, A3 const& b3, A4 const& b4)
         : arg_count(5), a0(b0), a1(b1), a2(b2), a3(b3), a4(b4)
     {
     }
 
     emplace_value(A0 const& b0, A1 const& b1, A2 const& b2, A3 const& b3,
-        A4 const& b4, A5 const& b5)
+      A4 const& b4, A5 const& b5)
         : arg_count(6), a0(b0), a1(b1), a2(b2), a3(b3), a4(b4), a5(b5)
     {
     }
 
     emplace_value(A0 const& b0, A1 const& b1, A2 const& b2, A3 const& b3,
-        A4 const& b4, A5 const& b5, A6 const& b6)
+      A4 const& b4, A5 const& b5, A6 const& b6)
         : arg_count(7), a0(b0), a1(b1), a2(b2), a3(b3), a4(b4), a5(b5), a6(b6)
     {
     }
 
     emplace_value(A0 const& b0, A1 const& b1, A2 const& b2, A3 const& b3,
-        A4 const& b4, A5 const& b5, A6 const& b6, A7 const& b7)
+      A4 const& b4, A5 const& b5, A6 const& b6, A7 const& b7)
         : arg_count(8), a0(b0), a1(b1), a2(b2), a3(b3), a4(b4), a5(b5), a6(b6),
           a7(b7)
     {
     }
 
     emplace_value(A0 const& b0, A1 const& b1, A2 const& b2, A3 const& b3,
-        A4 const& b4, A5 const& b5, A6 const& b6, A7 const& b7, A8 const& b8)
+      A4 const& b4, A5 const& b5, A6 const& b6, A7 const& b7, A8 const& b8)
         : arg_count(9), a0(b0), a1(b1), a2(b2), a3(b3), a4(b4), a5(b5), a6(b6),
           a7(b7), a8(b8)
     {
     }
 
     emplace_value(A0 const& b0, A1 const& b1, A2 const& b2, A3 const& b3,
-        A4 const& b4, A5 const& b5, A6 const& b6, A7 const& b7, A8 const& b8,
-        A9 const& b9)
+      A4 const& b4, A5 const& b5, A6 const& b6, A7 const& b7, A8 const& b8,
+      A9 const& b9)
         : arg_count(10), a0(b0), a1(b1), a2(b2), a3(b3), a4(b4), a5(b5), a6(b6),
           a7(b7), a8(b8), a9(b9)
     {
@@ -100,79 +100,78 @@ struct emplace_value : private test::counted_object
 
     friend std::size_t hash_value(emplace_value const& x)
     {
-        std::size_t r1 = 23894278u;
-        if (x.arg_count >= 1)
-            boost::hash_combine(r1, x.a0);
-        if (x.arg_count >= 2)
-            boost::hash_combine(r1, x.a1);
-        if (x.arg_count >= 3)
-            boost::hash_combine(r1, x.a2);
-        if (x.arg_count >= 4)
-            boost::hash_combine(r1, x.a3);
-        if (x.arg_count >= 5)
-            boost::hash_combine(r1, x.a4);
-        if (x.arg_count >= 6)
-            boost::hash_combine(r1, x.a5);
-        if (x.arg_count >= 7)
-            boost::hash_combine(r1, x.a6);
-        if (x.arg_count >= 8)
-            boost::hash_combine(r1, x.a7);
-        if (x.arg_count >= 9)
-            boost::hash_combine(r1, x.a8);
-        if (x.arg_count >= 10)
-            boost::hash_combine(r1, x.a9);
-        return r1;
+      std::size_t r1 = 23894278u;
+      if (x.arg_count >= 1)
+        boost::hash_combine(r1, x.a0);
+      if (x.arg_count >= 2)
+        boost::hash_combine(r1, x.a1);
+      if (x.arg_count >= 3)
+        boost::hash_combine(r1, x.a2);
+      if (x.arg_count >= 4)
+        boost::hash_combine(r1, x.a3);
+      if (x.arg_count >= 5)
+        boost::hash_combine(r1, x.a4);
+      if (x.arg_count >= 6)
+        boost::hash_combine(r1, x.a5);
+      if (x.arg_count >= 7)
+        boost::hash_combine(r1, x.a6);
+      if (x.arg_count >= 8)
+        boost::hash_combine(r1, x.a7);
+      if (x.arg_count >= 9)
+        boost::hash_combine(r1, x.a8);
+      if (x.arg_count >= 10)
+        boost::hash_combine(r1, x.a9);
+      return r1;
     }
 
     friend bool operator==(emplace_value const& x, emplace_value const& y)
     {
-        if (x.arg_count != y.arg_count) {
-            return false;
-        }
-        if (x.arg_count >= 1 && x.a0 != y.a0) {
-            return false;
-        }
-        if (x.arg_count >= 2 && x.a1 != y.a1) {
-            return false;
-        }
-        if (x.arg_count >= 3 && x.a2 != y.a2) {
-            return false;
-        }
-        if (x.arg_count >= 4 && x.a3 != y.a3) {
-            return false;
-        }
-        if (x.arg_count >= 5 && x.a4 != y.a4) {
-            return false;
-        }
-        if (x.arg_count >= 6 && x.a5 != y.a5) {
-            return false;
-        }
-        if (x.arg_count >= 7 && x.a6 != y.a6) {
-            return false;
-        }
-        if (x.arg_count >= 8 && x.a7 != y.a7) {
-            return false;
-        }
-        if (x.arg_count >= 9 && x.a8 != y.a8) {
-            return false;
-        }
-        if (x.arg_count >= 10 && x.a9 != y.a9) {
-            return false;
-        }
-        return true;
+      if (x.arg_count != y.arg_count) {
+        return false;
+      }
+      if (x.arg_count >= 1 && x.a0 != y.a0) {
+        return false;
+      }
+      if (x.arg_count >= 2 && x.a1 != y.a1) {
+        return false;
+      }
+      if (x.arg_count >= 3 && x.a2 != y.a2) {
+        return false;
+      }
+      if (x.arg_count >= 4 && x.a3 != y.a3) {
+        return false;
+      }
+      if (x.arg_count >= 5 && x.a4 != y.a4) {
+        return false;
+      }
+      if (x.arg_count >= 6 && x.a5 != y.a5) {
+        return false;
+      }
+      if (x.arg_count >= 7 && x.a6 != y.a6) {
+        return false;
+      }
+      if (x.arg_count >= 8 && x.a7 != y.a7) {
+        return false;
+      }
+      if (x.arg_count >= 9 && x.a8 != y.a8) {
+        return false;
+      }
+      if (x.arg_count >= 10 && x.a9 != y.a9) {
+        return false;
+      }
+      return true;
     }
 
   private:
     emplace_value();
     emplace_value(emplace_value const&);
-};
+  };
 
-UNORDERED_AUTO_TEST(emplace_set)
-{
+  UNORDERED_AUTO_TEST (emplace_set) {
     test::check_instances check_;
 
     typedef boost::unordered_set<emplace_value, boost::hash<emplace_value> >
-        container;
+      container;
     typedef container::iterator iterator;
     typedef std::pair<iterator, bool> return_type;
     container x(10);
@@ -233,12 +232,12 @@ UNORDERED_AUTO_TEST(emplace_set)
     BOOST_TEST_EQ(check_.instances(), 8);
     BOOST_TEST_EQ(check_.constructions(), 9);
 
-    BOOST_TEST(r1.first ==
-               x.emplace_hint(r1.first, 10, "", 'a', 4, 5, 6, 7, 8, 9, 10));
-    BOOST_TEST(r1.first ==
-               x.emplace_hint(r2.first, 10, "", 'a', 4, 5, 6, 7, 8, 9, 10));
     BOOST_TEST(
-        r1.first == x.emplace_hint(x.end(), 10, "", 'a', 4, 5, 6, 7, 8, 9, 10));
+      r1.first == x.emplace_hint(r1.first, 10, "", 'a', 4, 5, 6, 7, 8, 9, 10));
+    BOOST_TEST(
+      r1.first == x.emplace_hint(r2.first, 10, "", 'a', 4, 5, 6, 7, 8, 9, 10));
+    BOOST_TEST(
+      r1.first == x.emplace_hint(x.end(), 10, "", 'a', 4, 5, 6, 7, 8, 9, 10));
     BOOST_TEST_EQ(check_.instances(), 8);
     BOOST_TEST_EQ(check_.constructions(), 12);
 
@@ -247,15 +246,14 @@ UNORDERED_AUTO_TEST(emplace_set)
     BOOST_TEST(x.count(v2) == 1);
     BOOST_TEST(x.count(v3) == 1);
     BOOST_TEST(x.count(v4) == 1);
-}
+  }
 
-UNORDERED_AUTO_TEST(emplace_multiset)
-{
+  UNORDERED_AUTO_TEST (emplace_multiset) {
     test::check_instances check_;
 
     typedef boost::unordered_multiset<emplace_value,
-        boost::hash<emplace_value> >
-        container;
+      boost::hash<emplace_value> >
+      container;
     typedef container::iterator iterator;
     container x(10);
     iterator i1, i2;
@@ -326,15 +324,14 @@ UNORDERED_AUTO_TEST(emplace_multiset)
     BOOST_TEST_EQ(x.count(v1), 1u);
     BOOST_TEST_EQ(x.count(v2), 2u);
     BOOST_TEST_EQ(x.count(v3), 2u);
-}
+  }
 
-UNORDERED_AUTO_TEST(emplace_map)
-{
+  UNORDERED_AUTO_TEST (emplace_map) {
     test::check_instances check_;
 
     typedef boost::unordered_map<emplace_value, emplace_value,
-        boost::hash<emplace_value> >
-        container;
+      boost::hash<emplace_value> >
+      container;
     typedef container::iterator iterator;
     typedef std::pair<iterator, bool> return_type;
     container x(10);
@@ -345,8 +342,8 @@ UNORDERED_AUTO_TEST(emplace_map)
     emplace_value k1(5, "", 'b', 4, 5);
     emplace_value m1(8, "xxx", 'z', 4, 5, 6, 7, 8);
     r1 = x.emplace(boost::unordered::piecewise_construct,
-        boost::make_tuple(5, "", 'b', 4, 5),
-        boost::make_tuple(8, "xxx", 'z', 4, 5, 6, 7, 8));
+      boost::make_tuple(5, "", 'b', 4, 5),
+      boost::make_tuple(8, "xxx", 'z', 4, 5, 6, 7, 8));
     BOOST_TEST_EQ(x.size(), 1u);
     BOOST_TEST(r1.second);
     BOOST_TEST(x.find(k1) == r1.first);
@@ -355,8 +352,8 @@ UNORDERED_AUTO_TEST(emplace_map)
     BOOST_TEST_EQ(check_.constructions(), 4);
 
     r2 = x.emplace(boost::unordered::piecewise_construct,
-        boost::make_tuple(5, "", 'b', 4, 5),
-        boost::make_tuple(8, "xxx", 'z', 4, 5, 6, 7, 8));
+      boost::make_tuple(5, "", 'b', 4, 5),
+      boost::make_tuple(8, "xxx", 'z', 4, 5, 6, 7, 8));
     BOOST_TEST_EQ(x.size(), 1u);
     BOOST_TEST(!r2.second);
     BOOST_TEST(r1.first == r2.first);
@@ -371,8 +368,8 @@ UNORDERED_AUTO_TEST(emplace_map)
     emplace_value k2(9, "", 'b', 4, 5, 6, 7, 8, 9);
     emplace_value m2(3, "aaa", 'm');
     r1 = x.emplace(boost::unordered::piecewise_construct,
-        boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
-        boost::make_tuple(3, "aaa", 'm'));
+      boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
+      boost::make_tuple(3, "aaa", 'm'));
     BOOST_TEST_EQ(x.size(), 2u);
     BOOST_TEST(r1.second);
     BOOST_TEST(r1.first->first.arg_count == 9);
@@ -384,29 +381,28 @@ UNORDERED_AUTO_TEST(emplace_map)
 
     BOOST_TEST(r1.first ==
                x.emplace_hint(r1.first, boost::unordered::piecewise_construct,
-                   boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
-                   boost::make_tuple(15, "jkjk")));
+                 boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
+                 boost::make_tuple(15, "jkjk")));
     BOOST_TEST(r1.first ==
                x.emplace_hint(r2.first, boost::unordered::piecewise_construct,
-                   boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
-                   boost::make_tuple(275, "xxx", 'm', 6)));
+                 boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
+                 boost::make_tuple(275, "xxx", 'm', 6)));
     BOOST_TEST(r1.first ==
                x.emplace_hint(x.end(), boost::unordered::piecewise_construct,
-                   boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
-                   boost::make_tuple(-10, "blah blah", '\0')));
+                 boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
+                 boost::make_tuple(-10, "blah blah", '\0')));
     BOOST_TEST_EQ(x.size(), 2u);
     BOOST_TEST(x.find(k2)->second == m2);
     BOOST_TEST_EQ(check_.instances(), 8);
     BOOST_TEST_EQ(check_.constructions(), 16);
-}
+  }
 
-UNORDERED_AUTO_TEST(emplace_multimap)
-{
+  UNORDERED_AUTO_TEST (emplace_multimap) {
     test::check_instances check_;
 
     typedef boost::unordered_multimap<emplace_value, emplace_value,
-        boost::hash<emplace_value> >
-        container;
+      boost::hash<emplace_value> >
+      container;
     typedef container::iterator iterator;
     container x(10);
     iterator i1, i2, i3, i4;
@@ -416,8 +412,8 @@ UNORDERED_AUTO_TEST(emplace_multimap)
     emplace_value k1(5, "", 'b', 4, 5);
     emplace_value m1(8, "xxx", 'z', 4, 5, 6, 7, 8);
     i1 = x.emplace(boost::unordered::piecewise_construct,
-        boost::make_tuple(5, "", 'b', 4, 5),
-        boost::make_tuple(8, "xxx", 'z', 4, 5, 6, 7, 8));
+      boost::make_tuple(5, "", 'b', 4, 5),
+      boost::make_tuple(8, "xxx", 'z', 4, 5, 6, 7, 8));
     BOOST_TEST_EQ(x.size(), 1u);
     BOOST_TEST(x.find(k1) == i1);
     BOOST_TEST(x.find(k1)->second == m1);
@@ -426,8 +422,8 @@ UNORDERED_AUTO_TEST(emplace_multimap)
 
     emplace_value m1a(8, "xxx", 'z', 4, 5, 6, 7, 8);
     i2 = x.emplace(boost::unordered::piecewise_construct,
-        boost::make_tuple(5, "", 'b', 4, 5),
-        boost::make_tuple(8, "xxx", 'z', 4, 5, 6, 7, 8));
+      boost::make_tuple(5, "", 'b', 4, 5),
+      boost::make_tuple(8, "xxx", 'z', 4, 5, 6, 7, 8));
     BOOST_TEST_EQ(x.size(), 2u);
     BOOST_TEST(i1 != i2);
     BOOST_TEST(i1->second == m1);
@@ -440,8 +436,8 @@ UNORDERED_AUTO_TEST(emplace_multimap)
     emplace_value k2(9, "", 'b', 4, 5, 6, 7, 8, 9);
     emplace_value m2(3, "aaa", 'm');
     i1 = x.emplace(boost::unordered::piecewise_construct,
-        boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
-        boost::make_tuple(3, "aaa", 'm'));
+      boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
+      boost::make_tuple(3, "aaa", 'm'));
     BOOST_TEST_EQ(x.size(), 3u);
     BOOST_TEST(i1->first.arg_count == 9);
     BOOST_TEST(i1->second.arg_count == 3);
@@ -450,24 +446,23 @@ UNORDERED_AUTO_TEST(emplace_multimap)
 
     emplace_value m2a(15, "jkjk");
     i2 = x.emplace_hint(i2, boost::unordered::piecewise_construct,
-        boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
-        boost::make_tuple(15, "jkjk"));
+      boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
+      boost::make_tuple(15, "jkjk"));
     emplace_value m2b(275, "xxx", 'm', 6);
     i3 = x.emplace_hint(i1, boost::unordered::piecewise_construct,
-        boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
-        boost::make_tuple(275, "xxx", 'm', 6));
+      boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
+      boost::make_tuple(275, "xxx", 'm', 6));
     emplace_value m2c(-10, "blah blah", '\0');
     i4 = x.emplace_hint(x.end(), boost::unordered::piecewise_construct,
-        boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
-        boost::make_tuple(-10, "blah blah", '\0'));
+      boost::make_tuple(9, "", 'b', 4, 5, 6, 7, 8, 9),
+      boost::make_tuple(-10, "blah blah", '\0'));
     BOOST_TEST_EQ(x.size(), 6u);
     BOOST_TEST(x.find(k2)->second == m2);
     BOOST_TEST_EQ(check_.instances(), 20);
     BOOST_TEST_EQ(check_.constructions(), 20);
-}
+  }
 
-UNORDERED_AUTO_TEST(try_emplace)
-{
+  UNORDERED_AUTO_TEST (try_emplace) {
     test::check_instances check_;
 
     typedef boost::unordered_map<int, emplace_value> container;
@@ -509,11 +504,11 @@ UNORDERED_AUTO_TEST(try_emplace)
 
     BOOST_TEST(r2.first == x.try_emplace(r2.first, k2, 808709, "what"));
     BOOST_TEST(
-        r2.first ==
-        x.try_emplace(r2.first, k2, 10, "xxx", 'a', 4, 5, 6, 7, 8, 9, 10));
+      r2.first ==
+      x.try_emplace(r2.first, k2, 10, "xxx", 'a', 4, 5, 6, 7, 8, 9, 10));
     BOOST_TEST(r2.first->second == m2);
     BOOST_TEST_EQ(x.size(), 2u);
-}
+  }
 }
 
 RUN_TESTS()

test/unordered/equality_tests.cpp

@@ -15,8 +15,8 @@
 #include "../helpers/test.hpp"
 
 namespace equality_tests {
-struct mod_compare
-{
+  struct mod_compare
+  {
     bool alt_hash_;
 
     explicit mod_compare(bool alt_hash = false) : alt_hash_(alt_hash) {}
@@ -25,50 +25,48 @@ struct mod_compare
 
     std::size_t operator()(int x) const
     {
-        return alt_hash_ ? static_cast<std::size_t>(x % 250)
-                         : static_cast<std::size_t>((x + 5) % 250);
+      return alt_hash_ ? static_cast<std::size_t>(x % 250)
+                       : static_cast<std::size_t>((x + 5) % 250);
     }
-};
+  };
 
 #define UNORDERED_EQUALITY_SET_TEST(seq1, op, seq2)                            \
-    {                                                                          \
-        boost::unordered_set<int, mod_compare, mod_compare> set1, set2;        \
-        BOOST_PP_SEQ_FOR_EACH(UNORDERED_SET_INSERT, set1, seq1)                \
-        BOOST_PP_SEQ_FOR_EACH(UNORDERED_SET_INSERT, set2, seq2)                \
-        BOOST_TEST(set1 op set2);                                              \
-    }
+  {                                                                            \
+    boost::unordered_set<int, mod_compare, mod_compare> set1, set2;            \
+    BOOST_PP_SEQ_FOR_EACH(UNORDERED_SET_INSERT, set1, seq1)                    \
+    BOOST_PP_SEQ_FOR_EACH(UNORDERED_SET_INSERT, set2, seq2)                    \
+    BOOST_TEST(set1 op set2);                                                  \
+  }
 
 #define UNORDERED_EQUALITY_MULTISET_TEST(seq1, op, seq2)                       \
-    {                                                                          \
-        boost::unordered_multiset<int, mod_compare, mod_compare> set1, set2;   \
-        BOOST_PP_SEQ_FOR_EACH(UNORDERED_SET_INSERT, set1, seq1)                \
-        BOOST_PP_SEQ_FOR_EACH(UNORDERED_SET_INSERT, set2, seq2)                \
-        BOOST_TEST(set1 op set2);                                              \
-    }
+  {                                                                            \
+    boost::unordered_multiset<int, mod_compare, mod_compare> set1, set2;       \
+    BOOST_PP_SEQ_FOR_EACH(UNORDERED_SET_INSERT, set1, seq1)                    \
+    BOOST_PP_SEQ_FOR_EACH(UNORDERED_SET_INSERT, set2, seq2)                    \
+    BOOST_TEST(set1 op set2);                                                  \
+  }
 
 #define UNORDERED_EQUALITY_MAP_TEST(seq1, op, seq2)                            \
-    {                                                                          \
-        boost::unordered_map<int, int, mod_compare, mod_compare> map1, map2;   \
-        BOOST_PP_SEQ_FOR_EACH(UNORDERED_MAP_INSERT, map1, seq1)                \
-        BOOST_PP_SEQ_FOR_EACH(UNORDERED_MAP_INSERT, map2, seq2)                \
-        BOOST_TEST(map1 op map2);                                              \
-    }
+  {                                                                            \
+    boost::unordered_map<int, int, mod_compare, mod_compare> map1, map2;       \
+    BOOST_PP_SEQ_FOR_EACH(UNORDERED_MAP_INSERT, map1, seq1)                    \
+    BOOST_PP_SEQ_FOR_EACH(UNORDERED_MAP_INSERT, map2, seq2)                    \
+    BOOST_TEST(map1 op map2);                                                  \
+  }
 
 #define UNORDERED_EQUALITY_MULTIMAP_TEST(seq1, op, seq2)                       \
-    {                                                                          \
-        boost::unordered_multimap<int, int, mod_compare, mod_compare> map1,    \
-            map2;                                                              \
-        BOOST_PP_SEQ_FOR_EACH(UNORDERED_MAP_INSERT, map1, seq1)                \
-        BOOST_PP_SEQ_FOR_EACH(UNORDERED_MAP_INSERT, map2, seq2)                \
-        BOOST_TEST(map1 op map2);                                              \
-    }
+  {                                                                            \
+    boost::unordered_multimap<int, int, mod_compare, mod_compare> map1, map2;  \
+    BOOST_PP_SEQ_FOR_EACH(UNORDERED_MAP_INSERT, map1, seq1)                    \
+    BOOST_PP_SEQ_FOR_EACH(UNORDERED_MAP_INSERT, map2, seq2)                    \
+    BOOST_TEST(map1 op map2);                                                  \
+  }
 
 #define UNORDERED_SET_INSERT(r, set, item) set.insert(item);
 #define UNORDERED_MAP_INSERT(r, map, item)                                     \
-    map.insert(std::pair<int const, int> BOOST_PP_SEQ_TO_TUPLE(item));
+  map.insert(std::pair<int const, int> BOOST_PP_SEQ_TO_TUPLE(item));
 
-UNORDERED_AUTO_TEST(equality_size_tests)
-{
+  UNORDERED_AUTO_TEST (equality_size_tests) {
     boost::unordered_set<int> x1, x2;
     BOOST_TEST(x1 == x2);
     BOOST_TEST(!(x1 != x2));
@@ -88,61 +86,54 @@ UNORDERED_AUTO_TEST(equality_size_tests)
     BOOST_TEST(!(x1 == x2));
     BOOST_TEST(x2 != x1);
     BOOST_TEST(!(x2 == x1));
-}
+  }
 
-UNORDERED_AUTO_TEST(equality_key_value_tests)
-{
+  UNORDERED_AUTO_TEST (equality_key_value_tests) {
     UNORDERED_EQUALITY_MULTISET_TEST((1), !=, (2))
     UNORDERED_EQUALITY_SET_TEST((2), ==, (2))
     UNORDERED_EQUALITY_MAP_TEST(((1)(1))((2)(1)), !=, ((1)(1))((3)(1)))
-}
+  }
 
-UNORDERED_AUTO_TEST(equality_collision_test)
-{
+  UNORDERED_AUTO_TEST (equality_collision_test) {
     UNORDERED_EQUALITY_MULTISET_TEST((1), !=, (501))
     UNORDERED_EQUALITY_MULTISET_TEST((1)(251), !=, (1)(501))
     UNORDERED_EQUALITY_MULTIMAP_TEST(((251)(1))((1)(1)), !=, ((501)(1))((1)(1)))
     UNORDERED_EQUALITY_MULTISET_TEST((1)(501), ==, (1)(501))
     UNORDERED_EQUALITY_SET_TEST((1)(501), ==, (501)(1))
-}
+  }
 
-UNORDERED_AUTO_TEST(equality_group_size_test)
-{
+  UNORDERED_AUTO_TEST (equality_group_size_test) {
     UNORDERED_EQUALITY_MULTISET_TEST((10)(20)(20), !=, (10)(10)(20))
     UNORDERED_EQUALITY_MULTIMAP_TEST(
-        ((10)(1))((20)(1))((20)(1)), !=, ((10)(1))((20)(1))((10)(1)))
+      ((10)(1))((20)(1))((20)(1)), !=, ((10)(1))((20)(1))((10)(1)))
     UNORDERED_EQUALITY_MULTIMAP_TEST(
-        ((20)(1))((10)(1))((10)(1)), ==, ((10)(1))((20)(1))((10)(1)))
-}
+      ((20)(1))((10)(1))((10)(1)), ==, ((10)(1))((20)(1))((10)(1)))
+  }
 
-UNORDERED_AUTO_TEST(equality_map_value_test)
-{
+  UNORDERED_AUTO_TEST (equality_map_value_test) {
     UNORDERED_EQUALITY_MAP_TEST(((1)(1)), !=, ((1)(2)))
     UNORDERED_EQUALITY_MAP_TEST(((1)(1)), ==, ((1)(1)))
     UNORDERED_EQUALITY_MULTIMAP_TEST(((1)(1)), !=, ((1)(2)))
     UNORDERED_EQUALITY_MULTIMAP_TEST(((1)(1))((1)(1)), !=, ((1)(1))((1)(2)))
     UNORDERED_EQUALITY_MULTIMAP_TEST(((1)(2))((1)(1)), ==, ((1)(1))((1)(2)))
     UNORDERED_EQUALITY_MULTIMAP_TEST(((1)(2))((1)(1)), !=, ((1)(1))((1)(3)))
-}
+  }
 
-UNORDERED_AUTO_TEST(equality_predicate_test)
-{
+  UNORDERED_AUTO_TEST (equality_predicate_test) {
     UNORDERED_EQUALITY_SET_TEST((1), !=, (1001))
     UNORDERED_EQUALITY_MAP_TEST(((1)(2))((1001)(1)), !=, ((1001)(2))((1)(1)))
-}
+  }
 
-UNORDERED_AUTO_TEST(equality_multiple_group_test)
-{
+  UNORDERED_AUTO_TEST (equality_multiple_group_test) {
     UNORDERED_EQUALITY_MULTISET_TEST(
-        (1)(1)(1)(1001)(2001)(2001)(2)(1002)(3)(1003)(2003), ==,
-        (3)(1003)(2003)(1002)(2)(2001)(2001)(1)(1001)(1)(1));
-}
+      (1)(1)(1)(1001)(2001)(2001)(2)(1002)(3)(1003)(2003), ==,
+      (3)(1003)(2003)(1002)(2)(2001)(2001)(1)(1001)(1)(1))
+  }
 
-// Test that equality still works when the two containers have
-// different hash functions but the same equality predicate.
+  // Test that equality still works when the two containers have
+  // different hash functions but the same equality predicate.
 
-UNORDERED_AUTO_TEST(equality_different_hash_test)
-{
+  UNORDERED_AUTO_TEST (equality_different_hash_test) {
     typedef boost::unordered_set<int, mod_compare, mod_compare> set;
     set set1(0, mod_compare(false), mod_compare(false));
     set set2(0, mod_compare(true), mod_compare(true));
@@ -159,7 +150,7 @@ UNORDERED_AUTO_TEST(equality_different_hash_test)
     set1.insert(20);
     set2.insert(10);
     BOOST_TEST(set1 == set2);
-}
+  }
 }
 
 RUN_TESTS()

test/unordered/equivalent_keys_tests.cpp

@@ -17,65 +17,61 @@
 #include "../helpers/tracker.hpp"
 #include "../helpers/invariants.hpp"
 
-#include <iostream>
-
 template <class Container, class Iterator>
 void test_equal_insertion(Iterator begin, Iterator end)
 {
-    typedef test::ordered<Container> tracker;
+  typedef test::ordered<Container> tracker;
 
-    Container x1;
-    tracker x2 = test::create_ordered(x1);
+  Container x1;
+  tracker x2 = test::create_ordered(x1);
 
-    for (Iterator it = begin; it != end; ++it) {
-        x1.insert(*it);
-        x2.insert(*it);
-        x2.compare_key(x1, *it);
-    }
+  for (Iterator it = begin; it != end; ++it) {
+    x1.insert(*it);
+    x2.insert(*it);
+    x2.compare_key(x1, *it);
+  }
 
-    x2.compare(x1);
-    test::check_equivalent_keys(x1);
+  x2.compare(x1);
+  test::check_equivalent_keys(x1);
 }
 
-UNORDERED_AUTO_TEST(set_tests)
-{
-    int values[][5] = {{1}, {54, 23}, {-13, 65}, {77, 77}, {986, 25, 986}};
+UNORDERED_AUTO_TEST (set_tests) {
+  int values[][5] = {{1}, {54, 23}, {-13, 65}, {77, 77}, {986, 25, 986}};
 
-    typedef boost::unordered_set<int> set;
-    typedef boost::unordered_multiset<int> multiset;
+  typedef boost::unordered_set<int> set;
+  typedef boost::unordered_multiset<int> multiset;
 
-    test_equal_insertion<set>(values[0], values[0] + 1);
-    test_equal_insertion<set>(values[1], values[1] + 2);
-    test_equal_insertion<set>(values[2], values[2] + 2);
-    test_equal_insertion<set>(values[3], values[3] + 2);
-    test_equal_insertion<set>(values[4], values[4] + 3);
+  test_equal_insertion<set>(values[0], values[0] + 1);
+  test_equal_insertion<set>(values[1], values[1] + 2);
+  test_equal_insertion<set>(values[2], values[2] + 2);
+  test_equal_insertion<set>(values[3], values[3] + 2);
+  test_equal_insertion<set>(values[4], values[4] + 3);
 
-    test_equal_insertion<multiset>(values[0], values[0] + 1);
-    test_equal_insertion<multiset>(values[1], values[1] + 2);
-    test_equal_insertion<multiset>(values[2], values[2] + 2);
-    test_equal_insertion<multiset>(values[3], values[3] + 2);
-    test_equal_insertion<multiset>(values[4], values[4] + 3);
+  test_equal_insertion<multiset>(values[0], values[0] + 1);
+  test_equal_insertion<multiset>(values[1], values[1] + 2);
+  test_equal_insertion<multiset>(values[2], values[2] + 2);
+  test_equal_insertion<multiset>(values[3], values[3] + 2);
+  test_equal_insertion<multiset>(values[4], values[4] + 3);
 }
 
-UNORDERED_AUTO_TEST(map_tests)
-{
-    typedef test::list<std::pair<int const, int> > values_type;
-    values_type v[5];
-    v[0].push_back(std::pair<int const, int>(1, 1));
-    v[1].push_back(std::pair<int const, int>(28, 34));
-    v[1].push_back(std::pair<int const, int>(16, 58));
-    v[1].push_back(std::pair<int const, int>(-124, 62));
-    v[2].push_back(std::pair<int const, int>(432, 12));
-    v[2].push_back(std::pair<int const, int>(9, 13));
-    v[2].push_back(std::pair<int const, int>(432, 24));
+UNORDERED_AUTO_TEST (map_tests) {
+  typedef test::list<std::pair<int const, int> > values_type;
+  values_type v[5];
+  v[0].push_back(std::pair<int const, int>(1, 1));
+  v[1].push_back(std::pair<int const, int>(28, 34));
+  v[1].push_back(std::pair<int const, int>(16, 58));
+  v[1].push_back(std::pair<int const, int>(-124, 62));
+  v[2].push_back(std::pair<int const, int>(432, 12));
+  v[2].push_back(std::pair<int const, int>(9, 13));
+  v[2].push_back(std::pair<int const, int>(432, 24));
 
-    for (int i = 0; i < 5; ++i)
-        test_equal_insertion<boost::unordered_map<int, int> >(
-            v[i].begin(), v[i].end());
+  for (int i = 0; i < 5; ++i)
+    test_equal_insertion<boost::unordered_map<int, int> >(
+      v[i].begin(), v[i].end());
 
-    for (int i2 = 0; i2 < 5; ++i2)
-        test_equal_insertion<boost::unordered_multimap<int, int> >(
-            v[i2].begin(), v[i2].end());
+  for (int i2 = 0; i2 < 5; ++i2)
+    test_equal_insertion<boost::unordered_multimap<int, int> >(
+      v[i2].begin(), v[i2].end());
 }
 
 RUN_TESTS()

test/unordered/erase_equiv_tests.cpp

@@ -17,7 +17,6 @@
 #include "../helpers/invariants.hpp"
 #include "../helpers/helpers.hpp"
 #include <set>
-#include <iostream>
 #include <iterator>
 #include "../objects/test.hpp"
 
@@ -28,108 +27,105 @@
 
 struct write_pair_type
 {
-    template <class X1, class X2>
-    void operator()(std::pair<X1, X2> const& x) const
-    {
-        std::cout << "(" << x.first << "," << x.second << ")";
-    }
+  template <class X1, class X2>
+  void operator()(std::pair<X1, X2> const& x) const
+  {
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "(" << x.first << "," << x.second << ")";
+  }
 } write_pair;
 
 template <class Container> void write_container(Container const& x)
 {
-    std::for_each(x.begin(), x.end(), write_pair);
-    std::cout << "\n";
+  std::for_each(x.begin(), x.end(), write_pair);
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "\n";
 }
 
 // Make everything collide - for testing erase in a single bucket.
 struct collision_hash
 {
-    std::size_t operator()(int) const { return 0; }
+  std::size_t operator()(int) const { return 0; }
 };
 
 // For testing erase in 2 buckets.
 struct collision2_hash
 {
-    std::size_t operator()(int x) const
-    {
-        return static_cast<std::size_t>(x & 1);
-    }
+  std::size_t operator()(int x) const
+  {
+    return static_cast<std::size_t>(x & 1);
+  }
 };
 
 // For testing erase in lots of buckets.
 struct collision3_hash
 {
-    std::size_t operator()(int x) const { return static_cast<std::size_t>(x); }
+  std::size_t operator()(int x) const { return static_cast<std::size_t>(x); }
 };
 
 typedef boost::unordered_multimap<int, int, collision_hash, std::equal_to<int>,
-    test::allocator1<std::pair<int const, int> > >
-    collide_map;
+  test::allocator1<std::pair<int const, int> > >
+  collide_map;
 typedef boost::unordered_multimap<int, int, collision2_hash, std::equal_to<int>,
-    test::allocator2<std::pair<int const, int> > >
-    collide_map2;
+  test::allocator2<std::pair<int const, int> > >
+  collide_map2;
 typedef boost::unordered_multimap<int, int, collision3_hash, std::equal_to<int>,
-    test::allocator2<std::pair<int const, int> > >
-    collide_map3;
+  test::allocator2<std::pair<int const, int> > >
+  collide_map3;
 typedef collide_map::value_type collide_value;
 typedef test::list<collide_value> collide_list;
 
-UNORDERED_AUTO_TEST(empty_range_tests)
-{
-    collide_map x;
-    x.erase(x.begin(), x.end());
-    x.erase(x.begin(), x.begin());
-    x.erase(x.end(), x.end());
-    test::check_equivalent_keys(x);
+UNORDERED_AUTO_TEST (empty_range_tests) {
+  collide_map x;
+  x.erase(x.begin(), x.end());
+  x.erase(x.begin(), x.begin());
+  x.erase(x.end(), x.end());
+  test::check_equivalent_keys(x);
 }
 
-UNORDERED_AUTO_TEST(single_item_tests)
-{
-    collide_list init;
-    init.push_back(collide_value(1, 1));
+UNORDERED_AUTO_TEST (single_item_tests) {
+  collide_list init;
+  init.push_back(collide_value(1, 1));
 
+  collide_map x(init.begin(), init.end());
+  x.erase(x.begin(), x.begin());
+  BOOST_TEST(x.count(1) == 1 && x.size() == 1);
+  test::check_equivalent_keys(x);
+  x.erase(x.end(), x.end());
+  BOOST_TEST(x.count(1) == 1 && x.size() == 1);
+  test::check_equivalent_keys(x);
+  x.erase(x.begin(), x.end());
+  BOOST_TEST(x.count(1) == 0 && x.size() == 0);
+  test::check_equivalent_keys(x);
+}
+
+UNORDERED_AUTO_TEST (two_equivalent_item_tests) {
+  collide_list init;
+  init.push_back(collide_value(1, 1));
+  init.push_back(collide_value(1, 2));
+
+  {
     collide_map x(init.begin(), init.end());
-    x.erase(x.begin(), x.begin());
-    BOOST_TEST(x.count(1) == 1 && x.size() == 1);
-    test::check_equivalent_keys(x);
-    x.erase(x.end(), x.end());
-    BOOST_TEST(x.count(1) == 1 && x.size() == 1);
-    test::check_equivalent_keys(x);
     x.erase(x.begin(), x.end());
     BOOST_TEST(x.count(1) == 0 && x.size() == 0);
     test::check_equivalent_keys(x);
-}
+  }
 
-UNORDERED_AUTO_TEST(two_equivalent_item_tests)
-{
-    collide_list init;
-    init.push_back(collide_value(1, 1));
-    init.push_back(collide_value(1, 2));
+  {
+    collide_map x(init.begin(), init.end());
+    int value = test::next(x.begin())->second;
+    x.erase(x.begin(), test::next(x.begin()));
+    BOOST_TEST(x.count(1) == 1 && x.size() == 1 && x.begin()->first == 1 &&
+               x.begin()->second == value);
+    test::check_equivalent_keys(x);
+  }
 
-    {
-        collide_map x(init.begin(), init.end());
-        x.erase(x.begin(), x.end());
-        BOOST_TEST(x.count(1) == 0 && x.size() == 0);
-        test::check_equivalent_keys(x);
-    }
-
-    {
-        collide_map x(init.begin(), init.end());
-        int value = test::next(x.begin())->second;
-        x.erase(x.begin(), test::next(x.begin()));
-        BOOST_TEST(x.count(1) == 1 && x.size() == 1 && x.begin()->first == 1 &&
-                   x.begin()->second == value);
-        test::check_equivalent_keys(x);
-    }
-
-    {
-        collide_map x(init.begin(), init.end());
-        int value = x.begin()->second;
-        x.erase(test::next(x.begin()), x.end());
-        BOOST_TEST(x.count(1) == 1 && x.size() == 1 && x.begin()->first == 1 &&
-                   x.begin()->second == value);
-        test::check_equivalent_keys(x);
-    }
+  {
+    collide_map x(init.begin(), init.end());
+    int value = x.begin()->second;
+    x.erase(test::next(x.begin()), x.end());
+    BOOST_TEST(x.count(1) == 1 && x.size() == 1 && x.begin()->first == 1 &&
+               x.begin()->second == value);
+    test::check_equivalent_keys(x);
+  }
 }
 
 // More automated tests...
@@ -137,88 +133,85 @@ UNORDERED_AUTO_TEST(two_equivalent_item_tests)
 template <class Range1, class Range2>
 bool compare(Range1 const& x, Range2 const& y)
 {
-    collide_list a(x.begin(), x.end());
-    collide_list b(y.begin(), y.end());
-    a.sort();
-    b.sort();
-    return a == b;
+  collide_list a(x.begin(), x.end());
+  collide_list b(y.begin(), y.end());
+  a.sort();
+  b.sort();
+  return a == b;
 }
 
 template <class Container>
 bool general_erase_range_test(Container& x, std::size_t start, std::size_t end)
 {
-    collide_list l(x.begin(), x.end());
+  collide_list l(x.begin(), x.end());
 
-    l.erase(test::next(l.begin(), start), test::next(l.begin(), end));
-    x.erase(test::next(x.begin(), start), test::next(x.begin(), end));
+  l.erase(test::next(l.begin(), start), test::next(l.begin(), end));
+  x.erase(test::next(x.begin(), start), test::next(x.begin(), end));
 
-    test::check_equivalent_keys(x);
-    return compare(l, x);
+  test::check_equivalent_keys(x);
+  return compare(l, x);
 }
 
 template <class Container> void erase_subrange_tests(Container const& x)
 {
-    for (std::size_t length = 0; length < x.size(); ++length) {
-        for (std::size_t position = 0; position < x.size() - length;
-             ++position) {
-            Container y(x);
-            collide_list init(y.begin(), y.end());
-            if (!general_erase_range_test(y, position, position + length)) {
-                BOOST_ERROR("general_erase_range_test failed.");
-                std::cout << "Erase: [" << position << "," << position + length
-                          << ")\n";
-                write_container(init);
-                write_container(y);
-            }
-        }
+  for (std::size_t length = 0; length < x.size(); ++length) {
+    for (std::size_t position = 0; position < x.size() - length; ++position) {
+      Container y(x);
+      collide_list init(y.begin(), y.end());
+      if (!general_erase_range_test(y, position, position + length)) {
+        BOOST_ERROR("general_erase_range_test failed.");
+        BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Erase: [" << position << ","
+                                       << position + length << ")\n";
+        write_container(init);
+        write_container(y);
+      }
     }
+  }
 }
 
 template <class Container>
 void x_by_y_erase_range_tests(Container*, int values, int duplicates)
 {
-    Container y;
+  Container y;
 
-    for (int i = 0; i < values; ++i) {
-        for (int j = 0; j < duplicates; ++j) {
-            y.insert(collide_value(i, j));
-        }
+  for (int i = 0; i < values; ++i) {
+    for (int j = 0; j < duplicates; ++j) {
+      y.insert(collide_value(i, j));
     }
+  }
 
-    std::cout << "Values: " << values << ", Duplicates: " << duplicates << "\n";
-    erase_subrange_tests(y);
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Values: " << values
+                                 << ", Duplicates: " << duplicates << "\n";
+  erase_subrange_tests(y);
 }
 
 template <class Container>
 void exhaustive_erase_tests(Container* x, int num_values, int num_duplicated)
 {
-    for (int i = 0; i < num_values; ++i) {
-        for (int j = 0; j < num_duplicated; ++j) {
-            x_by_y_erase_range_tests(x, i, j);
-        }
+  for (int i = 0; i < num_values; ++i) {
+    for (int j = 0; j < num_duplicated; ++j) {
+      x_by_y_erase_range_tests(x, i, j);
     }
+  }
 }
 
-UNORDERED_AUTO_TEST(exhaustive_collide_tests)
-{
-    std::cout << "exhaustive_collide_tests:\n";
-    collide_map m;
-    exhaustive_erase_tests((collide_map*)0, 4, 4);
-    std::cout << "\n";
+UNORDERED_AUTO_TEST (exhaustive_collide_tests) {
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "exhaustive_collide_tests:\n";
+  collide_map m;
+  exhaustive_erase_tests((collide_map*)0, 4, 4);
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "\n";
 }
 
-UNORDERED_AUTO_TEST(exhaustive_collide2_tests)
-{
-    std::cout << "exhaustive_collide2_tests:\n";
-    exhaustive_erase_tests((collide_map2*)0, 8, 4);
-    std::cout << "\n";
+UNORDERED_AUTO_TEST (exhaustive_collide2_tests) {
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "exhaustive_collide2_tests:\n";
+  exhaustive_erase_tests((collide_map2*)0, 8, 4);
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "\n";
 }
 
-UNORDERED_AUTO_TEST(exhaustive_collide3_tests)
-{
-    std::cout << "exhaustive_collide3_tests:\n";
-    exhaustive_erase_tests((collide_map3*)0, 8, 4);
-    std::cout << "\n";
+UNORDERED_AUTO_TEST (exhaustive_collide3_tests) {
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "exhaustive_collide3_tests:\n";
+  exhaustive_erase_tests((collide_map3*)0, 8, 4);
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "\n";
 }
 
 RUN_TESTS()

test/unordered/erase_tests.cpp

@@ -18,257 +18,250 @@
 #include "../helpers/helpers.hpp"
 #include "../helpers/invariants.hpp"
 #include <vector>
-#include <iostream>
 #include <cstdlib>
 
 namespace erase_tests {
 
-test::seed_t initialize_seed(85638);
+  test::seed_t initialize_seed(85638);
 
-template <class Container>
-void erase_tests1(Container*, test::random_generator generator)
-{
-    typedef BOOST_DEDUCED_TYPENAME Container::iterator iterator;
-    typedef BOOST_DEDUCED_TYPENAME Container::const_iterator c_iterator;
+  template <class Container>
+  void erase_tests1(Container*, test::random_generator generator)
+  {
+    typedef typename Container::iterator iterator;
+    typedef typename Container::const_iterator c_iterator;
 
-    std::cerr << "Erase by key.\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Erase by key.\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<Container> v(1000, generator);
-        Container x(v.begin(), v.end());
-        int iterations = 0;
-        for (BOOST_DEDUCED_TYPENAME test::random_values<Container>::iterator
-                 it = v.begin();
-             it != v.end(); ++it) {
-            std::size_t count = x.count(test::get_key<Container>(*it));
-            std::size_t old_size = x.size();
-            BOOST_TEST(count == x.erase(test::get_key<Container>(*it)));
-            BOOST_TEST(x.size() == old_size - count);
-            BOOST_TEST(x.count(test::get_key<Container>(*it)) == 0);
-            BOOST_TEST(x.find(test::get_key<Container>(*it)) == x.end());
-            if (++iterations % 20 == 0)
-                test::check_equivalent_keys(x);
-        }
+      test::random_values<Container> v(1000, generator);
+      Container x(v.begin(), v.end());
+      int iterations = 0;
+      for (typename test::random_values<Container>::iterator it = v.begin();
+           it != v.end(); ++it) {
+        std::size_t count = x.count(test::get_key<Container>(*it));
+        std::size_t old_size = x.size();
+        BOOST_TEST(count == x.erase(test::get_key<Container>(*it)));
+        BOOST_TEST(x.size() == old_size - count);
+        BOOST_TEST(x.count(test::get_key<Container>(*it)) == 0);
+        BOOST_TEST(x.find(test::get_key<Container>(*it)) == x.end());
+        if (++iterations % 20 == 0)
+          test::check_equivalent_keys(x);
+      }
     }
 
-    std::cerr << "erase(begin()).\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "erase(begin()).\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<Container> v(1000, generator);
-        Container x(v.begin(), v.end());
-        std::size_t size = x.size();
-        int iterations = 0;
-        while (size > 0 && !x.empty()) {
-            BOOST_DEDUCED_TYPENAME Container::key_type key =
-                test::get_key<Container>(*x.begin());
-            std::size_t count = x.count(key);
-            iterator pos = x.erase(x.begin());
-            --size;
-            BOOST_TEST(pos == x.begin());
-            BOOST_TEST(x.count(key) == count - 1);
-            BOOST_TEST(x.size() == size);
-            if (++iterations % 20 == 0)
-                test::check_equivalent_keys(x);
-        }
-        BOOST_TEST(x.empty());
-    }
-
-    std::cerr << "erase(random position).\n";
-    {
-        test::check_instances check_;
-
-        test::random_values<Container> v(1000, generator);
-        Container x(v.begin(), v.end());
-        std::size_t size = x.size();
-        int iterations = 0;
-        while (size > 0 && !x.empty()) {
-            std::size_t index = test::random_value(x.size());
-            c_iterator prev, pos, next;
-            if (index == 0) {
-                prev = pos = x.begin();
-            } else {
-                prev = test::next(x.begin(), index - 1);
-                pos = test::next(prev);
-            }
-            next = test::next(pos);
-            BOOST_DEDUCED_TYPENAME Container::key_type key =
-                test::get_key<Container>(*pos);
-            std::size_t count = x.count(key);
-            BOOST_TEST(count > 0);
-            BOOST_TEST(next == x.erase(pos));
-            --size;
-            if (size > 0)
-                BOOST_TEST(
-                    index == 0 ? next == x.begin() : next == test::next(prev));
-            BOOST_TEST(x.count(key) == count - 1);
-            if (x.count(key) != count - 1) {
-                std::cerr << count << " => " << x.count(key) << std::endl;
-            }
-            BOOST_TEST(x.size() == size);
-            if (++iterations % 20 == 0)
-                test::check_equivalent_keys(x);
-        }
-        BOOST_TEST(x.empty());
-    }
-
-    std::cerr << "erase(ranges).\n";
-    {
-        test::check_instances check_;
-
-        test::random_values<Container> v(500, generator);
-        Container x(v.begin(), v.end());
-
-        std::size_t size = x.size();
-
-        // I'm actually stretching it a little here, as the standard says it
-        // returns 'the iterator immediately following the erase elements'
-        // and if nothing is erased, then there's nothing to follow. But I
-        // think this is the only sensible option...
-        BOOST_TEST(x.erase(x.end(), x.end()) == x.end());
-        BOOST_TEST(x.erase(x.begin(), x.begin()) == x.begin());
+      test::random_values<Container> v(1000, generator);
+      Container x(v.begin(), v.end());
+      std::size_t size = x.size();
+      int iterations = 0;
+      while (size > 0 && !x.empty()) {
+        typename Container::key_type key = test::get_key<Container>(*x.begin());
+        std::size_t count = x.count(key);
+        iterator pos = x.erase(x.begin());
+        --size;
+        BOOST_TEST(pos == x.begin());
+        BOOST_TEST(x.count(key) == count - 1);
         BOOST_TEST(x.size() == size);
-        test::check_equivalent_keys(x);
-
-        BOOST_TEST(x.erase(x.begin(), x.end()) == x.end());
-        BOOST_TEST(x.empty());
-        BOOST_TEST(x.begin() == x.end());
-        test::check_equivalent_keys(x);
-
-        BOOST_TEST(x.erase(x.begin(), x.end()) == x.begin());
-        test::check_equivalent_keys(x);
+        if (++iterations % 20 == 0)
+          test::check_equivalent_keys(x);
+      }
+      BOOST_TEST(x.empty());
     }
 
-    std::cerr << "erase(random ranges).\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "erase(random position).\n";
     {
-        test::check_instances check_;
-        Container x;
+      test::check_instances check_;
 
-        for (int i = 0; i < 100; ++i) {
-            test::random_values<Container> v(1000, generator);
-            x.insert(v.begin(), v.end());
-
-            // Note that erase only invalidates the erased iterators.
-            std::vector<c_iterator> iterators;
-            for (c_iterator it = x.cbegin(); it != x.cend(); ++it) {
-                iterators.push_back(it);
-            }
-            iterators.push_back(x.cend());
-
-            while (iterators.size() > 1) {
-                std::size_t start = test::random_value(iterators.size());
-                std::size_t length =
-                    test::random_value(iterators.size() - start);
-                x.erase(iterators[start], iterators[start + length]);
-                iterators.erase(test::next(iterators.begin(), start),
-                    test::next(iterators.begin(), start + length));
-
-                BOOST_TEST(x.size() == iterators.size() - 1);
-                BOOST_DEDUCED_TYPENAME std::vector<c_iterator>::const_iterator
-                    i2 = iterators.begin();
-                for (c_iterator i1 = x.cbegin(); i1 != x.cend(); ++i1) {
-                    BOOST_TEST(i1 == *i2);
-                    ++i2;
-                }
-                BOOST_TEST(x.cend() == *i2);
-
-                test::check_equivalent_keys(x);
-            }
-            BOOST_TEST(x.empty());
+      test::random_values<Container> v(1000, generator);
+      Container x(v.begin(), v.end());
+      std::size_t size = x.size();
+      int iterations = 0;
+      while (size > 0 && !x.empty()) {
+        std::size_t index = test::random_value(x.size());
+        c_iterator prev, pos, next;
+        if (index == 0) {
+          prev = pos = x.begin();
+        } else {
+          prev = test::next(x.begin(), index - 1);
+          pos = test::next(prev);
         }
+        next = test::next(pos);
+        typename Container::key_type key = test::get_key<Container>(*pos);
+        std::size_t count = x.count(key);
+        BOOST_TEST(count > 0);
+        BOOST_TEST(next == x.erase(pos));
+        --size;
+        if (size > 0)
+          BOOST_TEST(index == 0 ? next == x.begin() : next == test::next(prev));
+        BOOST_TEST(x.count(key) == count - 1);
+        if (x.count(key) != count - 1) {
+          BOOST_LIGHTWEIGHT_TEST_OSTREAM << count << " => " << x.count(key)
+                                         << std::endl;
+        }
+        BOOST_TEST(x.size() == size);
+        if (++iterations % 20 == 0)
+          test::check_equivalent_keys(x);
+      }
+      BOOST_TEST(x.empty());
     }
 
-    std::cerr << "quick_erase(begin()).\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "erase(ranges).\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
+      test::random_values<Container> v(500, generator);
+      Container x(v.begin(), v.end());
+
+      std::size_t size = x.size();
+
+      // I'm actually stretching it a little here, as the standard says it
+      // returns 'the iterator immediately following the erase elements'
+      // and if nothing is erased, then there's nothing to follow. But I
+      // think this is the only sensible option...
+      BOOST_TEST(x.erase(x.end(), x.end()) == x.end());
+      BOOST_TEST(x.erase(x.begin(), x.begin()) == x.begin());
+      BOOST_TEST(x.size() == size);
+      test::check_equivalent_keys(x);
+
+      BOOST_TEST(x.erase(x.begin(), x.end()) == x.end());
+      BOOST_TEST(x.empty());
+      BOOST_TEST(x.begin() == x.end());
+      test::check_equivalent_keys(x);
+
+      BOOST_TEST(x.erase(x.begin(), x.end()) == x.begin());
+      test::check_equivalent_keys(x);
+    }
+
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "erase(random ranges).\n";
+    {
+      test::check_instances check_;
+      Container x;
+
+      for (int i = 0; i < 100; ++i) {
         test::random_values<Container> v(1000, generator);
-        Container x(v.begin(), v.end());
-        std::size_t size = x.size();
-        int iterations = 0;
-        while (size > 0 && !x.empty()) {
-            BOOST_DEDUCED_TYPENAME Container::key_type key =
-                test::get_key<Container>(*x.begin());
-            std::size_t count = x.count(key);
-            x.quick_erase(x.begin());
-            --size;
-            BOOST_TEST(x.count(key) == count - 1);
-            BOOST_TEST(x.size() == size);
-            if (++iterations % 20 == 0)
-                test::check_equivalent_keys(x);
+        x.insert(v.begin(), v.end());
+
+        // Note that erase only invalidates the erased iterators.
+        std::vector<c_iterator> iterators;
+        for (c_iterator it = x.cbegin(); it != x.cend(); ++it) {
+          iterators.push_back(it);
+        }
+        iterators.push_back(x.cend());
+
+        while (iterators.size() > 1) {
+          std::size_t start = test::random_value(iterators.size());
+          std::size_t length = test::random_value(iterators.size() - start);
+          x.erase(iterators[start], iterators[start + length]);
+          iterators.erase(test::next(iterators.begin(), start),
+            test::next(iterators.begin(), start + length));
+
+          BOOST_TEST(x.size() == iterators.size() - 1);
+          typename std::vector<c_iterator>::const_iterator i2 =
+            iterators.begin();
+          for (c_iterator i1 = x.cbegin(); i1 != x.cend(); ++i1) {
+            BOOST_TEST(i1 == *i2);
+            ++i2;
+          }
+          BOOST_TEST(x.cend() == *i2);
+
+          test::check_equivalent_keys(x);
         }
         BOOST_TEST(x.empty());
+      }
     }
 
-    std::cerr << "quick_erase(random position).\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "quick_erase(begin()).\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<Container> v(1000, generator);
-        Container x(v.begin(), v.end());
-        std::size_t size = x.size();
-        int iterations = 0;
-        while (size > 0 && !x.empty()) {
-            std::size_t index = test::random_value(x.size());
-            BOOST_DEDUCED_TYPENAME Container::const_iterator prev, pos, next;
-            if (index == 0) {
-                prev = pos = x.begin();
-            } else {
-                prev = test::next(x.begin(), index - 1);
-                pos = test::next(prev);
-            }
-            next = test::next(pos);
-            BOOST_DEDUCED_TYPENAME Container::key_type key =
-                test::get_key<Container>(*pos);
-            std::size_t count = x.count(key);
-            BOOST_TEST(count > 0);
-            x.quick_erase(pos);
-            --size;
-            if (size > 0)
-                BOOST_TEST(
-                    index == 0 ? next == x.begin() : next == test::next(prev));
-            BOOST_TEST(x.count(key) == count - 1);
-            if (x.count(key) != count - 1) {
-                std::cerr << count << " => " << x.count(key) << std::endl;
-            }
-            BOOST_TEST(x.size() == size);
-            if (++iterations % 20 == 0)
-                test::check_equivalent_keys(x);
+      test::random_values<Container> v(1000, generator);
+      Container x(v.begin(), v.end());
+      std::size_t size = x.size();
+      int iterations = 0;
+      while (size > 0 && !x.empty()) {
+        typename Container::key_type key = test::get_key<Container>(*x.begin());
+        std::size_t count = x.count(key);
+        x.quick_erase(x.begin());
+        --size;
+        BOOST_TEST(x.count(key) == count - 1);
+        BOOST_TEST(x.size() == size);
+        if (++iterations % 20 == 0)
+          test::check_equivalent_keys(x);
+      }
+      BOOST_TEST(x.empty());
+    }
+
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "quick_erase(random position).\n";
+    {
+      test::check_instances check_;
+
+      test::random_values<Container> v(1000, generator);
+      Container x(v.begin(), v.end());
+      std::size_t size = x.size();
+      int iterations = 0;
+      while (size > 0 && !x.empty()) {
+        std::size_t index = test::random_value(x.size());
+        typename Container::const_iterator prev, pos, next;
+        if (index == 0) {
+          prev = pos = x.begin();
+        } else {
+          prev = test::next(x.begin(), index - 1);
+          pos = test::next(prev);
         }
-        BOOST_TEST(x.empty());
+        next = test::next(pos);
+        typename Container::key_type key = test::get_key<Container>(*pos);
+        std::size_t count = x.count(key);
+        BOOST_TEST(count > 0);
+        x.quick_erase(pos);
+        --size;
+        if (size > 0)
+          BOOST_TEST(index == 0 ? next == x.begin() : next == test::next(prev));
+        BOOST_TEST(x.count(key) == count - 1);
+        if (x.count(key) != count - 1) {
+          BOOST_LIGHTWEIGHT_TEST_OSTREAM << count << " => " << x.count(key)
+                                         << std::endl;
+        }
+        BOOST_TEST(x.size() == size);
+        if (++iterations % 20 == 0)
+          test::check_equivalent_keys(x);
+      }
+      BOOST_TEST(x.empty());
     }
 
-    std::cerr << "clear().\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "clear().\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<Container> v(500, generator);
-        Container x(v.begin(), v.end());
-        x.clear();
-        BOOST_TEST(x.empty());
-        BOOST_TEST(x.begin() == x.end());
+      test::random_values<Container> v(500, generator);
+      Container x(v.begin(), v.end());
+      x.clear();
+      BOOST_TEST(x.empty());
+      BOOST_TEST(x.begin() == x.end());
     }
 
-    std::cerr << "\n";
-}
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "\n";
+  }
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_set;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::allocator2<test::object> >* test_multiset;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_map;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, test::allocator2<test::object> >* test_multimap;
 
-using test::default_generator;
-using test::generate_collisions;
-using test::limited_range;
+  using test::default_generator;
+  using test::generate_collisions;
+  using test::limited_range;
 
-UNORDERED_TEST(
+  UNORDERED_TEST(
     erase_tests1, ((test_set)(test_multiset)(test_map)(test_multimap))(
-                      (default_generator)(generate_collisions)(limited_range)))
+                    (default_generator)(generate_collisions)(limited_range)))
 }
 
 RUN_TESTS()

test/unordered/extract_tests.cpp

@@ -17,124 +17,117 @@
 #include "../helpers/test.hpp"
 #include "../helpers/tracker.hpp"
 #include "../objects/test.hpp"
-#include <boost/next_prior.hpp>
-
-#include <iostream>
 
 namespace extract_tests {
 
-test::seed_t initialize_seed(85638);
+  test::seed_t initialize_seed(85638);
 
-template <class Container>
-void extract_tests1(Container*, test::random_generator generator)
-{
-    std::cerr << "Extract by key.\n";
+  template <class Container>
+  void extract_tests1(Container*, test::random_generator generator)
+  {
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Extract by key.\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<Container> v(1000, generator);
-        Container x(v.begin(), v.end());
-        int iterations = 0;
-        for (BOOST_DEDUCED_TYPENAME test::random_values<Container>::iterator
-                 it = v.begin();
-             it != v.end(); ++it) {
-            std::size_t count = x.count(test::get_key<Container>(*it));
-            std::size_t old_size = x.size();
-            std::size_t new_count = count ? count - 1 : count;
-            std::size_t new_size = count ? old_size - 1 : old_size;
-            typename Container::node_type n =
-                x.extract(test::get_key<Container>(*it));
-            BOOST_TEST((n ? true : false) == (count ? true : false));
-            BOOST_TEST(x.size() == new_size);
-            BOOST_TEST(x.count(test::get_key<Container>(*it)) == new_count);
-            if (!new_count) {
-                BOOST_TEST(x.find(test::get_key<Container>(*it)) == x.end());
-            } else {
-                BOOST_TEST(x.find(test::get_key<Container>(*it)) != x.end());
-            }
-            if (++iterations % 20 == 0)
-                test::check_equivalent_keys(x);
+      test::random_values<Container> v(1000, generator);
+      Container x(v.begin(), v.end());
+      int iterations = 0;
+      for (typename test::random_values<Container>::iterator it = v.begin();
+           it != v.end(); ++it) {
+        std::size_t count = x.count(test::get_key<Container>(*it));
+        std::size_t old_size = x.size();
+        std::size_t new_count = count ? count - 1 : count;
+        std::size_t new_size = count ? old_size - 1 : old_size;
+        typename Container::node_type n =
+          x.extract(test::get_key<Container>(*it));
+        BOOST_TEST((n ? true : false) == (count ? true : false));
+        BOOST_TEST(x.size() == new_size);
+        BOOST_TEST(x.count(test::get_key<Container>(*it)) == new_count);
+        if (!new_count) {
+          BOOST_TEST(x.find(test::get_key<Container>(*it)) == x.end());
+        } else {
+          BOOST_TEST(x.find(test::get_key<Container>(*it)) != x.end());
         }
-        BOOST_TEST(x.empty());
+        if (++iterations % 20 == 0)
+          test::check_equivalent_keys(x);
+      }
+      BOOST_TEST(x.empty());
     }
 
-    std::cerr << "extract(begin()).\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "extract(begin()).\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<Container> v(1000, generator);
-        Container x(v.begin(), v.end());
-        std::size_t size = x.size();
-        int iterations = 0;
-        while (size > 0 && !x.empty()) {
-            BOOST_DEDUCED_TYPENAME Container::key_type key =
-                test::get_key<Container>(*x.begin());
-            std::size_t count = x.count(key);
-            typename Container::node_type n = x.extract(x.begin());
-            BOOST_TEST(n);
-            --size;
-            BOOST_TEST(x.count(key) == count - 1);
-            BOOST_TEST(x.size() == size);
-            if (++iterations % 20 == 0)
-                test::check_equivalent_keys(x);
-        }
-        BOOST_TEST(x.empty());
+      test::random_values<Container> v(1000, generator);
+      Container x(v.begin(), v.end());
+      std::size_t size = x.size();
+      int iterations = 0;
+      while (size > 0 && !x.empty()) {
+        typename Container::key_type key = test::get_key<Container>(*x.begin());
+        std::size_t count = x.count(key);
+        typename Container::node_type n = x.extract(x.begin());
+        BOOST_TEST(n);
+        --size;
+        BOOST_TEST(x.count(key) == count - 1);
+        BOOST_TEST(x.size() == size);
+        if (++iterations % 20 == 0)
+          test::check_equivalent_keys(x);
+      }
+      BOOST_TEST(x.empty());
     }
 
-    std::cerr << "extract(random position).\n";
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "extract(random position).\n";
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<Container> v(1000, generator);
-        Container x(v.begin(), v.end());
-        std::size_t size = x.size();
-        int iterations = 0;
-        while (size > 0 && !x.empty()) {
-            using namespace std;
-            int index = rand() % (int)x.size();
-            BOOST_DEDUCED_TYPENAME Container::const_iterator prev, pos, next;
-            if (index == 0) {
-                prev = pos = x.begin();
-            } else {
-                prev = boost::next(x.begin(), index - 1);
-                pos = boost::next(prev);
-            }
-            next = boost::next(pos);
-            BOOST_DEDUCED_TYPENAME Container::key_type key =
-                test::get_key<Container>(*pos);
-            std::size_t count = x.count(key);
-            typename Container::node_type n = x.extract(pos);
-            BOOST_TEST(n);
-            --size;
-            if (size > 0)
-                BOOST_TEST(
-                    index == 0 ? next == x.begin() : next == boost::next(prev));
-            BOOST_TEST(x.count(key) == count - 1);
-            BOOST_TEST(x.size() == size);
-            if (++iterations % 20 == 0)
-                test::check_equivalent_keys(x);
+      test::random_values<Container> v(1000, generator);
+      Container x(v.begin(), v.end());
+      std::size_t size = x.size();
+      int iterations = 0;
+      while (size > 0 && !x.empty()) {
+        using namespace std;
+        int index = rand() % (int)x.size();
+        typename Container::const_iterator prev, pos, next;
+        if (index == 0) {
+          prev = pos = x.begin();
+        } else {
+          prev = test::next(x.begin(), index - 1);
+          pos = test::next(prev);
         }
-        BOOST_TEST(x.empty());
+        next = test::next(pos);
+        typename Container::key_type key = test::get_key<Container>(*pos);
+        std::size_t count = x.count(key);
+        typename Container::node_type n = x.extract(pos);
+        BOOST_TEST(n);
+        --size;
+        if (size > 0)
+          BOOST_TEST(index == 0 ? next == x.begin() : next == test::next(prev));
+        BOOST_TEST(x.count(key) == count - 1);
+        BOOST_TEST(x.size() == size);
+        if (++iterations % 20 == 0)
+          test::check_equivalent_keys(x);
+      }
+      BOOST_TEST(x.empty());
     }
 
-    std::cerr << "\n";
-}
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM << "\n";
+  }
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_set;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::allocator2<test::object> >* test_multiset;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_map;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, test::allocator2<test::object> >* test_multimap;
 
-using test::default_generator;
-using test::generate_collisions;
+  using test::default_generator;
+  using test::generate_collisions;
 
-UNORDERED_TEST(
+  UNORDERED_TEST(
     extract_tests1, ((test_set)(test_multiset)(test_map)(test_multimap))(
-                        (default_generator)(generate_collisions)))
+                      (default_generator)(generate_collisions)))
 }
 
 RUN_TESTS()

test/unordered/find_tests.cpp

@@ -18,109 +18,102 @@
 
 namespace find_tests {
 
-test::seed_t initialize_seed(78937);
+  test::seed_t initialize_seed(78937);
 
-template <class X> void find_tests1(X*, test::random_generator generator)
-{
-    typedef BOOST_DEDUCED_TYPENAME X::iterator iterator;
+  template <class X> void find_tests1(X*, test::random_generator generator)
+  {
+    typedef typename X::iterator iterator;
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<X> v(500, generator);
-        X x(v.begin(), v.end());
-        X const& x_const = x;
-        test::ordered<X> tracker = test::create_ordered(x);
-        tracker.insert_range(v.begin(), v.end());
+      test::random_values<X> v(500, generator);
+      X x(v.begin(), v.end());
+      X const& x_const = x;
+      test::ordered<X> tracker = test::create_ordered(x);
+      tracker.insert_range(v.begin(), v.end());
 
-        for (BOOST_DEDUCED_TYPENAME test::ordered<X>::const_iterator it1 =
-                 tracker.begin();
-             it1 != tracker.end(); ++it1) {
-            BOOST_DEDUCED_TYPENAME X::key_type key = test::get_key<X>(*it1);
-            BOOST_DEDUCED_TYPENAME X::const_iterator const_pos =
-                x_const.find(key);
-            iterator pos = x.find(key);
-            BOOST_TEST(const_pos != x_const.end());
-            BOOST_TEST(const_pos != x_const.end() &&
-                       x_const.key_eq()(key, test::get_key<X>(*const_pos)));
-            BOOST_TEST(pos != x.end());
-            BOOST_TEST(
-                pos != x.end() && x.key_eq()(key, test::get_key<X>(*pos)));
+      for (typename test::ordered<X>::const_iterator it1 = tracker.begin();
+           it1 != tracker.end(); ++it1) {
+        typename X::key_type key = test::get_key<X>(*it1);
+        typename X::const_iterator const_pos = x_const.find(key);
+        iterator pos = x.find(key);
+        BOOST_TEST(const_pos != x_const.end());
+        BOOST_TEST(const_pos != x_const.end() &&
+                   x_const.key_eq()(key, test::get_key<X>(*const_pos)));
+        BOOST_TEST(pos != x.end());
+        BOOST_TEST(pos != x.end() && x.key_eq()(key, test::get_key<X>(*pos)));
 
-            BOOST_TEST(x.count(key) == tracker.count(key));
+        BOOST_TEST(x.count(key) == tracker.count(key));
 
-            test::compare_pairs(x.equal_range(key), tracker.equal_range(key),
-                (BOOST_DEDUCED_TYPENAME X::value_type*)0);
-            test::compare_pairs(x_const.equal_range(key),
-                tracker.equal_range(key),
-                (BOOST_DEDUCED_TYPENAME X::value_type*)0);
-        }
+        test::compare_pairs(x.equal_range(key), tracker.equal_range(key),
+          (typename X::value_type*)0);
+        test::compare_pairs(x_const.equal_range(key), tracker.equal_range(key),
+          (typename X::value_type*)0);
+      }
 
-        test::random_values<X> v2(500, generator);
-        for (BOOST_DEDUCED_TYPENAME test::random_values<X>::const_iterator it2 =
-                 v2.begin();
-             it2 != v2.end(); ++it2) {
-            BOOST_DEDUCED_TYPENAME X::key_type key = test::get_key<X>(*it2);
-            if (tracker.find(test::get_key<X>(key)) == tracker.end()) {
-                BOOST_TEST(x.find(key) == x.end());
-                BOOST_TEST(x_const.find(key) == x_const.end());
-                BOOST_TEST(x.count(key) == 0);
-                std::pair<iterator, iterator> range = x.equal_range(key);
-                BOOST_TEST(range.first == range.second);
-            }
+      test::random_values<X> v2(500, generator);
+      for (typename test::random_values<X>::const_iterator it2 = v2.begin();
+           it2 != v2.end(); ++it2) {
+        typename X::key_type key = test::get_key<X>(*it2);
+        if (tracker.find(test::get_key<X>(key)) == tracker.end()) {
+          BOOST_TEST(x.find(key) == x.end());
+          BOOST_TEST(x_const.find(key) == x_const.end());
+          BOOST_TEST(x.count(key) == 0);
+          std::pair<iterator, iterator> range = x.equal_range(key);
+          BOOST_TEST(range.first == range.second);
         }
+      }
     }
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        X x;
+      X x;
 
-        test::random_values<X> v2(5, generator);
-        for (BOOST_DEDUCED_TYPENAME test::random_values<X>::const_iterator it3 =
-                 v2.begin();
-             it3 != v2.end(); ++it3) {
-            BOOST_DEDUCED_TYPENAME X::key_type key = test::get_key<X>(*it3);
-            BOOST_TEST(x.find(key) == x.end());
-            BOOST_TEST(x.count(key) == 0);
-            std::pair<iterator, iterator> range = x.equal_range(key);
-            BOOST_TEST(range.first == range.second);
-        }
+      test::random_values<X> v2(5, generator);
+      for (typename test::random_values<X>::const_iterator it3 = v2.begin();
+           it3 != v2.end(); ++it3) {
+        typename X::key_type key = test::get_key<X>(*it3);
+        BOOST_TEST(x.find(key) == x.end());
+        BOOST_TEST(x.count(key) == 0);
+        std::pair<iterator, iterator> range = x.equal_range(key);
+        BOOST_TEST(range.first == range.second);
+      }
     }
-}
+  }
 
-struct compatible_key
-{
+  struct compatible_key
+  {
     test::object o_;
 
     compatible_key(test::object const& o) : o_(o) {}
-};
+  };
 
-struct compatible_hash
-{
+  struct compatible_hash
+  {
     test::hash hash_;
 
     std::size_t operator()(compatible_key const& k) const
     {
-        return hash_(k.o_);
+      return hash_(k.o_);
     }
-};
+  };
 
-struct compatible_predicate
-{
+  struct compatible_predicate
+  {
     test::equal_to equal_;
 
     bool operator()(compatible_key const& k1, compatible_key const& k2) const
     {
-        return equal_(k1.o_, k2.o_);
+      return equal_(k1.o_, k2.o_);
     }
-};
+  };
 
-template <class X>
-void find_compatible_keys_test(X*, test::random_generator generator)
-{
-    typedef BOOST_DEDUCED_TYPENAME test::random_values<X>::iterator
-        value_iterator;
+  template <class X>
+  void find_compatible_keys_test(X*, test::random_generator generator)
+  {
+    typedef typename test::random_values<X>::iterator value_iterator;
     test::random_values<X> v(500, generator);
     X x(v.begin(), v.end());
 
@@ -128,37 +121,37 @@ void find_compatible_keys_test(X*, test::random_generator generator)
     compatible_predicate eq;
 
     for (value_iterator it = v.begin(), end = v.end(); it != end; ++it) {
-        BOOST_DEDUCED_TYPENAME X::key_type key = test::get_key<X>(*it);
-        BOOST_TEST(x.find(key) == x.find(compatible_key(key), h, eq));
+      typename X::key_type key = test::get_key<X>(*it);
+      BOOST_TEST(x.find(key) == x.find(compatible_key(key), h, eq));
     }
 
     test::random_values<X> v2(20, generator);
 
     for (value_iterator it = v2.begin(), end = v2.end(); it != end; ++it) {
-        BOOST_DEDUCED_TYPENAME X::key_type key = test::get_key<X>(*it);
-        BOOST_TEST(x.find(key) == x.find(compatible_key(key), h, eq));
+      typename X::key_type key = test::get_key<X>(*it);
+      BOOST_TEST(x.find(key) == x.find(compatible_key(key), h, eq));
     }
-}
+  }
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::allocator2<test::object> >* test_set;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_multiset;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::allocator2<test::object> >* test_map;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, test::allocator1<test::object> >* test_multimap;
 
-using test::default_generator;
-using test::generate_collisions;
-using test::limited_range;
+  using test::default_generator;
+  using test::generate_collisions;
+  using test::limited_range;
 
-UNORDERED_TEST(
+  UNORDERED_TEST(
     find_tests1, ((test_set)(test_multiset)(test_map)(test_multimap))(
-                     (default_generator)(generate_collisions)(limited_range)))
-UNORDERED_TEST(find_compatible_keys_test,
-    ((test_set)(test_multiset)(test_map)(test_multimap))(
                    (default_generator)(generate_collisions)(limited_range)))
+  UNORDERED_TEST(find_compatible_keys_test,
+    ((test_set)(test_multiset)(test_map)(test_multimap))(
+      (default_generator)(generate_collisions)(limited_range)))
 }
 
 RUN_TESTS()

test/unordered/fwd_map_test.cpp

@@ -12,41 +12,41 @@
 template <typename T>
 void call_swap(boost::unordered_map<T, T>& x, boost::unordered_map<T, T>& y)
 {
-    swap(x, y);
+  swap(x, y);
 }
 
 template <typename T>
 bool call_equals(boost::unordered_map<T, T>& x, boost::unordered_map<T, T>& y)
 {
-    return x == y;
+  return x == y;
 }
 
 template <typename T>
 bool call_not_equals(
-    boost::unordered_map<T, T>& x, boost::unordered_map<T, T>& y)
+  boost::unordered_map<T, T>& x, boost::unordered_map<T, T>& y)
 {
-    return x != y;
+  return x != y;
 }
 
 template <typename T>
 void call_swap(
-    boost::unordered_multimap<T, T>& x, boost::unordered_multimap<T, T>& y)
+  boost::unordered_multimap<T, T>& x, boost::unordered_multimap<T, T>& y)
 {
-    swap(x, y);
+  swap(x, y);
 }
 
 template <typename T>
 bool call_equals(
-    boost::unordered_multimap<T, T>& x, boost::unordered_multimap<T, T>& y)
+  boost::unordered_multimap<T, T>& x, boost::unordered_multimap<T, T>& y)
 {
-    return x == y;
+  return x == y;
 }
 
 template <typename T>
 bool call_not_equals(
-    boost::unordered_multimap<T, T>& x, boost::unordered_multimap<T, T>& y)
+  boost::unordered_multimap<T, T>& x, boost::unordered_multimap<T, T>& y)
 {
-    return x != y;
+  return x != y;
 }
 
 #include <boost/unordered_map.hpp>
@@ -55,29 +55,27 @@ bool call_not_equals(
 typedef boost::unordered_map<int, int> int_map;
 typedef boost::unordered_multimap<int, int> int_multimap;
 
-UNORDERED_AUTO_TEST(use_map_fwd_declared_function)
-{
-    int_map x, y;
-    x[1] = 2;
-    y[2] = 1;
-    call_swap(x, y);
+UNORDERED_AUTO_TEST (use_map_fwd_declared_function) {
+  int_map x, y;
+  x[1] = 2;
+  y[2] = 1;
+  call_swap(x, y);
 
-    BOOST_TEST(y.find(1) != y.end() && y.find(1)->second == 2);
-    BOOST_TEST(y.find(2) == y.end());
+  BOOST_TEST(y.find(1) != y.end() && y.find(1)->second == 2);
+  BOOST_TEST(y.find(2) == y.end());
 
-    BOOST_TEST(x.find(1) == x.end());
-    BOOST_TEST(x.find(2) != x.end() && x.find(2)->second == 1);
+  BOOST_TEST(x.find(1) == x.end());
+  BOOST_TEST(x.find(2) != x.end() && x.find(2)->second == 1);
 
-    BOOST_TEST(!call_equals(x, y));
-    BOOST_TEST(call_not_equals(x, y));
+  BOOST_TEST(!call_equals(x, y));
+  BOOST_TEST(call_not_equals(x, y));
 }
 
-UNORDERED_AUTO_TEST(use_multimap_fwd_declared_function)
-{
-    int_multimap x, y;
-    call_swap(x, y);
-    BOOST_TEST(call_equals(x, y));
-    BOOST_TEST(!call_not_equals(x, y));
+UNORDERED_AUTO_TEST (use_multimap_fwd_declared_function) {
+  int_multimap x, y;
+  call_swap(x, y);
+  BOOST_TEST(call_equals(x, y));
+  BOOST_TEST(!call_not_equals(x, y));
 }
 
 RUN_TESTS()

test/unordered/fwd_set_test.cpp

@@ -11,55 +11,55 @@
 
 struct true_type
 {
-    char x[100];
+  char x[100];
 };
 struct false_type
 {
-    char x;
+  char x;
 };
 
 false_type is_unordered_set_impl(void*);
 
 template <class Value, class Hash, class Pred, class Alloc>
 true_type is_unordered_set_impl(
-    boost::unordered_set<Value, Hash, Pred, Alloc>*);
+  boost::unordered_set<Value, Hash, Pred, Alloc>*);
 
 template <typename T>
 void call_swap(boost::unordered_set<T>& x, boost::unordered_set<T>& y)
 {
-    swap(x, y);
+  swap(x, y);
 }
 
 template <typename T>
 bool call_equals(boost::unordered_set<T>& x, boost::unordered_set<T>& y)
 {
-    return x == y;
+  return x == y;
 }
 
 template <typename T>
 bool call_not_equals(boost::unordered_set<T>& x, boost::unordered_set<T>& y)
 {
-    return x != y;
+  return x != y;
 }
 
 template <typename T>
 void call_swap(boost::unordered_multiset<T>& x, boost::unordered_multiset<T>& y)
 {
-    swap(x, y);
+  swap(x, y);
 }
 
 template <typename T>
 bool call_equals(
-    boost::unordered_multiset<T>& x, boost::unordered_multiset<T>& y)
+  boost::unordered_multiset<T>& x, boost::unordered_multiset<T>& y)
 {
-    return x == y;
+  return x == y;
 }
 
 template <typename T>
 bool call_not_equals(
-    boost::unordered_multiset<T>& x, boost::unordered_multiset<T>& y)
+  boost::unordered_multiset<T>& x, boost::unordered_multiset<T>& y)
 {
-    return x != y;
+  return x != y;
 }
 
 #include "../helpers/test.hpp"
@@ -67,44 +67,40 @@ bool call_not_equals(
 typedef boost::unordered_set<int> int_set;
 typedef boost::unordered_multiset<int> int_multiset;
 
-UNORDERED_AUTO_TEST(use_fwd_declared_trait_without_definition)
-{
-    BOOST_TEST(sizeof(is_unordered_set_impl((int_set*)0)) == sizeof(true_type));
+UNORDERED_AUTO_TEST (use_fwd_declared_trait_without_definition) {
+  BOOST_TEST(sizeof(is_unordered_set_impl((int_set*)0)) == sizeof(true_type));
 }
 
 #include <boost/unordered_set.hpp>
 
-UNORDERED_AUTO_TEST(use_fwd_declared_trait)
-{
-    boost::unordered_set<int> x;
-    BOOST_TEST(sizeof(is_unordered_set_impl(&x)) == sizeof(true_type));
+UNORDERED_AUTO_TEST (use_fwd_declared_trait) {
+  boost::unordered_set<int> x;
+  BOOST_TEST(sizeof(is_unordered_set_impl(&x)) == sizeof(true_type));
 
-    BOOST_TEST(sizeof(is_unordered_set_impl((int*)0)) == sizeof(false_type));
+  BOOST_TEST(sizeof(is_unordered_set_impl((int*)0)) == sizeof(false_type));
 }
 
-UNORDERED_AUTO_TEST(use_set_fwd_declared_function)
-{
-    int_set x, y;
-    x.insert(1);
-    y.insert(2);
-    call_swap(x, y);
+UNORDERED_AUTO_TEST (use_set_fwd_declared_function) {
+  int_set x, y;
+  x.insert(1);
+  y.insert(2);
+  call_swap(x, y);
 
-    BOOST_TEST(y.find(1) != y.end());
-    BOOST_TEST(y.find(2) == y.end());
+  BOOST_TEST(y.find(1) != y.end());
+  BOOST_TEST(y.find(2) == y.end());
 
-    BOOST_TEST(x.find(1) == x.end());
-    BOOST_TEST(x.find(2) != x.end());
+  BOOST_TEST(x.find(1) == x.end());
+  BOOST_TEST(x.find(2) != x.end());
 
-    BOOST_TEST(!call_equals(x, y));
-    BOOST_TEST(call_not_equals(x, y));
+  BOOST_TEST(!call_equals(x, y));
+  BOOST_TEST(call_not_equals(x, y));
 }
 
-UNORDERED_AUTO_TEST(use_multiset_fwd_declared_function)
-{
-    int_multiset x, y;
-    call_swap(x, y);
-    BOOST_TEST(call_equals(x, y));
-    BOOST_TEST(!call_not_equals(x, y));
+UNORDERED_AUTO_TEST (use_multiset_fwd_declared_function) {
+  int_multiset x, y;
+  call_swap(x, y);
+  BOOST_TEST(call_equals(x, y));
+  BOOST_TEST(!call_not_equals(x, y));
 }
 
 RUN_TESTS()

test/unordered/incomplete_test.cpp

@@ -13,124 +13,129 @@
 #include <utility>
 
 namespace x {
-struct D
-{
+  struct D
+  {
     boost::unordered_map<D, D> x;
-};
+  };
 }
 
 namespace incomplete_test {
-// Declare, but don't define some types.
+  // Declare, but don't define some types.
 
-struct value;
-struct hash;
-struct equals;
-template <class T> struct allocator;
+  struct value;
+  struct hash;
+  struct equals;
+  template <class T> struct allocator;
 
-// Declare some instances
+  // Declare some instances
 
-typedef boost::unordered_map<value, value, hash, equals,
+  typedef boost::unordered_map<value, value, hash, equals,
     allocator<std::pair<value const, value> > >
     map;
-typedef boost::unordered_multimap<value, value, hash, equals,
+  typedef boost::unordered_multimap<value, value, hash, equals,
     allocator<std::pair<value const, value> > >
     multimap;
-typedef boost::unordered_set<value, hash, equals, allocator<value> > set;
-typedef boost::unordered_multiset<value, hash, equals, allocator<value> >
+  typedef boost::unordered_set<value, hash, equals, allocator<value> > set;
+  typedef boost::unordered_multiset<value, hash, equals, allocator<value> >
     multiset;
 
-// Now define the types which are stored as members, as they are needed for
-// declaring struct members.
+  // Now define the types which are stored as members, as they are needed for
+  // declaring struct members.
 
-struct hash
-{
+  struct hash
+  {
     template <typename T> std::size_t operator()(T const&) const { return 0; }
-};
+  };
 
-struct equals
-{
+  struct equals
+  {
     template <typename T> bool operator()(T const&, T const&) const
     {
-        return true;
+      return true;
     }
-};
+  };
 
-// This is a dubious way to implement an allocator, but good enough
-// for this test.
-template <typename T> struct allocator : std::allocator<T>
-{
+  // This is a dubious way to implement an allocator, but good enough
+  // for this test.
+  template <typename T> struct allocator : std::allocator<T>
+  {
     allocator() {}
 
     template <typename T2>
     allocator(const allocator<T2>& other) : std::allocator<T>(other)
     {
     }
-};
 
-// Declare some members of a structs.
-//
-// Incomplete hash, equals and allocator aren't here supported at the
-// moment.
+    template <typename T2>
+    allocator(const std::allocator<T2>& other) : std::allocator<T>(other)
+    {
+    }
+  };
 
-struct struct1
-{
+  // Declare some members of a structs.
+  //
+  // Incomplete hash, equals and allocator aren't here supported at the
+  // moment.
+
+  struct struct1
+  {
     boost::unordered_map<struct1, struct1, hash, equals,
-        allocator<std::pair<struct1 const, struct1> > >
-        x;
-};
-struct struct2
-{
+      allocator<std::pair<struct1 const, struct1> > >
+      x;
+  };
+  struct struct2
+  {
     boost::unordered_multimap<struct2, struct2, hash, equals,
-        allocator<std::pair<struct2 const, struct2> > >
-        x;
-};
-struct struct3
-{
+      allocator<std::pair<struct2 const, struct2> > >
+      x;
+  };
+  struct struct3
+  {
     boost::unordered_set<struct3, hash, equals, allocator<struct3> > x;
-};
-struct struct4
-{
+  };
+  struct struct4
+  {
     boost::unordered_multiset<struct4, hash, equals, allocator<struct4> > x;
-};
+  };
 
-// Now define the value type.
+  // Now define the value type.
 
-struct value
-{
-};
+  struct value
+  {
+  };
 
-// Create some instances.
+  // Create some instances.
 
-incomplete_test::map m1;
-incomplete_test::multimap m2;
-incomplete_test::set s1;
-incomplete_test::multiset s2;
+  incomplete_test::map m1;
+  incomplete_test::multimap m2;
+  incomplete_test::set s1;
+  incomplete_test::multiset s2;
 
-incomplete_test::struct1 c1;
-incomplete_test::struct2 c2;
-incomplete_test::struct3 c3;
-incomplete_test::struct4 c4;
+  incomplete_test::struct1 c1;
+  incomplete_test::struct2 c2;
+  incomplete_test::struct3 c3;
+  incomplete_test::struct4 c4;
 
-// Now declare, but don't define, the operators required for comparing
-// elements.
+  // Now declare, but don't define, the operators required for comparing
+  // elements.
 
-std::size_t hash_value(value const&);
-bool operator==(value const&, value const&);
+  std::size_t hash_value(value const&);
+  bool operator==(value const&, value const&);
 
-std::size_t hash_value(struct1 const&);
-std::size_t hash_value(struct2 const&);
-std::size_t hash_value(struct3 const&);
-std::size_t hash_value(struct4 const&);
+  std::size_t hash_value(struct1 const&);
+  std::size_t hash_value(struct2 const&);
+  std::size_t hash_value(struct3 const&);
+  std::size_t hash_value(struct4 const&);
 
-bool operator==(struct1 const&, struct1 const&);
-bool operator==(struct2 const&, struct2 const&);
-bool operator==(struct3 const&, struct3 const&);
-bool operator==(struct4 const&, struct4 const&);
+  bool operator==(struct1 const&, struct1 const&);
+  bool operator==(struct2 const&, struct2 const&);
+  bool operator==(struct3 const&, struct3 const&);
+  bool operator==(struct4 const&, struct4 const&);
 
-// And finally use these
+  // And finally use these
 
-void use_types()
-{
+  void use_types()
+  {
     incomplete_test::value x;
     m1[x] = x;
     m2.insert(std::make_pair(x, x));
@@ -141,28 +146,28 @@ void use_types()
     c2.x.insert(std::make_pair(c2, c2));
     c3.x.insert(c3);
     c4.x.insert(c4);
-}
+  }
 
-// And finally define the operators required for comparing elements.
+  // And finally define the operators required for comparing elements.
 
-std::size_t hash_value(value const&) { return 0; }
-bool operator==(value const&, value const&) { return true; }
+  std::size_t hash_value(value const&) { return 0; }
+  bool operator==(value const&, value const&) { return true; }
 
-std::size_t hash_value(struct1 const&) { return 0; }
-std::size_t hash_value(struct2 const&) { return 0; }
-std::size_t hash_value(struct3 const&) { return 0; }
-std::size_t hash_value(struct4 const&) { return 0; }
+  std::size_t hash_value(struct1 const&) { return 0; }
+  std::size_t hash_value(struct2 const&) { return 0; }
+  std::size_t hash_value(struct3 const&) { return 0; }
+  std::size_t hash_value(struct4 const&) { return 0; }
 
-bool operator==(struct1 const&, struct1 const&) { return true; }
-bool operator==(struct2 const&, struct2 const&) { return true; }
-bool operator==(struct3 const&, struct3 const&) { return true; }
-bool operator==(struct4 const&, struct4 const&) { return true; }
+  bool operator==(struct1 const&, struct1 const&) { return true; }
+  bool operator==(struct2 const&, struct2 const&) { return true; }
+  bool operator==(struct3 const&, struct3 const&) { return true; }
+  bool operator==(struct4 const&, struct4 const&) { return true; }
 }
 
 int main()
 {
-    // This could just be a compile test, but I like to be able to run these
-    // things. It's probably irrational, but I find it reassuring.
+  // This could just be a compile test, but I like to be able to run these
+  // things. It's probably irrational, but I find it reassuring.
 
-    incomplete_test::use_types();
+  incomplete_test::use_types();
 }

test/unordered/insert_hint_tests.cpp

@@ -15,21 +15,18 @@
 
 #include <map>
 #include <set>
-#include <iostream>
 
 namespace insert_hint {
-UNORDERED_AUTO_TEST(insert_hint_empty)
-{
+  UNORDERED_AUTO_TEST (insert_hint_empty) {
     typedef boost::unordered_multiset<int> container;
     container x;
     x.insert(x.cbegin(), 10);
     BOOST_TEST_EQ(x.size(), 1u);
     BOOST_TEST_EQ(x.count(10), 1u);
     test::check_equivalent_keys(x);
-}
+  }
 
-UNORDERED_AUTO_TEST(insert_hint_empty2)
-{
+  UNORDERED_AUTO_TEST (insert_hint_empty2) {
     typedef boost::unordered_multimap<std::string, int> container;
     container x;
     x.emplace_hint(x.cbegin(), "hello", 50);
@@ -37,10 +34,9 @@ UNORDERED_AUTO_TEST(insert_hint_empty2)
     BOOST_TEST_EQ(x.count("hello"), 1u);
     BOOST_TEST_EQ(x.find("hello")->second, 50);
     test::check_equivalent_keys(x);
-}
+  }
 
-UNORDERED_AUTO_TEST(insert_hint_single)
-{
+  UNORDERED_AUTO_TEST (insert_hint_single) {
     typedef boost::unordered_multiset<std::string> container;
     container x;
     x.insert("equal");
@@ -48,10 +44,9 @@ UNORDERED_AUTO_TEST(insert_hint_single)
     BOOST_TEST_EQ(x.size(), 2u);
     BOOST_TEST_EQ(x.count("equal"), 2u);
     test::check_equivalent_keys(x);
-}
+  }
 
-UNORDERED_AUTO_TEST(insert_hint_single2)
-{
+  UNORDERED_AUTO_TEST (insert_hint_single2) {
     typedef boost::unordered_multimap<int, std::string> container;
     container x;
     x.emplace(10, "one");
@@ -68,47 +63,44 @@ UNORDERED_AUTO_TEST(insert_hint_single2)
     BOOST_TEST(v0 != v1);
 
     test::check_equivalent_keys(x);
-}
+  }
 
-UNORDERED_AUTO_TEST(insert_hint_multiple)
-{
+  UNORDERED_AUTO_TEST (insert_hint_multiple) {
     for (unsigned int size = 0; size < 10; ++size) {
-        for (unsigned int offset = 0; offset <= size; ++offset) {
-            typedef boost::unordered_multiset<std::string> container;
-            container x;
+      for (unsigned int offset = 0; offset <= size; ++offset) {
+        typedef boost::unordered_multiset<std::string> container;
+        container x;
 
-            for (unsigned int i = 0; i < size; ++i) {
-                x.insert("multiple");
-            }
-
-            BOOST_TEST_EQ(x.size(), size);
-
-            container::const_iterator position = x.cbegin();
-            for (unsigned int i = 0; i < offset; ++i) {
-                ++position;
-            }
-
-            x.insert(position, "multiple");
-
-            BOOST_TEST_EQ(x.size(), size + 1u);
-            BOOST_TEST_EQ(x.count("multiple"), size + 1u);
-            test::check_equivalent_keys(x);
+        for (unsigned int i = 0; i < size; ++i) {
+          x.insert("multiple");
         }
-    }
-}
 
-UNORDERED_AUTO_TEST(insert_hint_unique)
-{
+        BOOST_TEST_EQ(x.size(), size);
+
+        container::const_iterator position = x.cbegin();
+        for (unsigned int i = 0; i < offset; ++i) {
+          ++position;
+        }
+
+        x.insert(position, "multiple");
+
+        BOOST_TEST_EQ(x.size(), size + 1u);
+        BOOST_TEST_EQ(x.count("multiple"), size + 1u);
+        test::check_equivalent_keys(x);
+      }
+    }
+  }
+
+  UNORDERED_AUTO_TEST (insert_hint_unique) {
     typedef boost::unordered_set<int> container;
     container x;
     x.insert(x.cbegin(), 10);
     BOOST_TEST_EQ(x.size(), 1u);
     BOOST_TEST_EQ(x.count(10), 1u);
     test::check_equivalent_keys(x);
-}
+  }
 
-UNORDERED_AUTO_TEST(insert_hint_unique_single)
-{
+  UNORDERED_AUTO_TEST (insert_hint_unique_single) {
     typedef boost::unordered_set<int> container;
     container x;
     x.insert(10);
@@ -123,7 +115,7 @@ UNORDERED_AUTO_TEST(insert_hint_unique_single)
     BOOST_TEST_EQ(x.count(10), 1u);
     BOOST_TEST_EQ(x.count(20), 1u);
     test::check_equivalent_keys(x);
-}
+  }
 }
 
 RUN_TESTS()

test/unordered/insert_node_type_fail.cpp

@@ -9,26 +9,26 @@
 int main()
 {
 #if defined(UNORDERED_TEST_MAP)
-    typedef boost::unordered_map<int, int> container;
-    container x;
-    x.emplace(1, 1);
+  typedef boost::unordered_map<int, int> container;
+  container x;
+  x.emplace(1, 1);
 #elif defined(UNORDERED_TEST_MULTIMAP)
-    typedef boost::unordered_multimap<int, int> container;
-    container x;
+  typedef boost::unordered_multimap<int, int> container;
+  container x;
 #elif defined(UNORDERED_TEST_SET)
-    typedef boost::unordered_set<int> container;
-    container x;
-    x.emplace(1);
+  typedef boost::unordered_set<int> container;
+  container x;
+  x.emplace(1);
 #elif defined(UNORDERED_TEST_MULTISET)
-    typedef boost::unordered_multiset<int> container;
-    container x;
-    x.emplace(1);
+  typedef boost::unordered_multiset<int> container;
+  container x;
+  x.emplace(1);
 #else
 #define UNORDERED_ERROR
 #endif
 
 #if !defined(UNORDERED_ERROR)
-    container::node_type n = x.extract(x.begin());
-    x.insert(n);
+  container::node_type n = x.extract(x.begin());
+  x.insert(n);
 #endif
 }

test/unordered/insert_stable_tests.cpp

@@ -12,11 +12,9 @@
 
 #include "../helpers/test.hpp"
 
-#include <iostream>
-
 namespace insert_stable {
-struct member
-{
+  struct member
+  {
     int tag1_;
     int tag2_;
 
@@ -25,14 +23,14 @@ struct member
 
     friend bool operator==(member const& x, member const& y)
     {
-        return x.tag1_ == y.tag1_;
+      return x.tag1_ == y.tag1_;
     }
 
     friend bool operator!=(member const& x, member const& y)
     {
-        return x.tag1_ != y.tag1_;
+      return x.tag1_ != y.tag1_;
     }
-};
+  };
 }
 
 #ifdef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
@@ -41,15 +39,15 @@ namespace boost
 namespace insert_stable
 #endif
 {
-std::size_t hash_value(insert_stable::member const& x)
-{
+  std::size_t hash_value(insert_stable::member const& x)
+  {
     return static_cast<std::size_t>(x.tag1_);
-}
+  }
 }
 
-// This is now only supported when using grouped nodes. I can't see any
-// efficient way to do it otherwise.
-#if !BOOST_UNORDERED_INTEROPERABLE_NODES
+// This is no longer supported, as there's no longer an efficient way to get to
+// the end of a group of equivalent nodes.
+#if 0
 
 UNORDERED_AUTO_TEST(stable_insert_test1)
 {

test/unordered/link_test_1.cpp

@@ -11,16 +11,16 @@
 // clang-format on
 
 void foo(boost::unordered_set<int>&, boost::unordered_map<int, int>&,
-    boost::unordered_multiset<int>&, boost::unordered_multimap<int, int>&);
+  boost::unordered_multiset<int>&, boost::unordered_multimap<int, int>&);
 
 int main()
 {
-    boost::unordered_set<int> x1;
-    boost::unordered_map<int, int> x2;
-    boost::unordered_multiset<int> x3;
-    boost::unordered_multimap<int, int> x4;
+  boost::unordered_set<int> x1;
+  boost::unordered_map<int, int> x2;
+  boost::unordered_multiset<int> x3;
+  boost::unordered_multimap<int, int> x4;
 
-    foo(x1, x2, x3, x4);
+  foo(x1, x2, x3, x4);
 
-    return 0;
+  return 0;
 }

test/unordered/link_test_2.cpp

@@ -11,20 +11,20 @@
 // clang-format on
 
 void foo(boost::unordered_set<int>& x1, boost::unordered_map<int, int>& x2,
-    boost::unordered_multiset<int>& x3, boost::unordered_multimap<int, int>& x4)
+  boost::unordered_multiset<int>& x3, boost::unordered_multimap<int, int>& x4)
 {
-#if BOOST_WORKAROUND(__CODEGEARC__, BOOST_TESTED_AT(0x0613))
-    struct dummy
-    {
-        boost::unordered_set<int> x1;
-        boost::unordered_map<int, int> x2;
-        boost::unordered_multiset<int> x3;
-        boost::unordered_multimap<int, int> x4;
-    };
+#if BOOST_WORKAROUND(BOOST_CODEGEARC, BOOST_TESTED_AT(0x0613))
+  struct dummy
+  {
+    boost::unordered_set<int> x1;
+    boost::unordered_map<int, int> x2;
+    boost::unordered_multiset<int> x3;
+    boost::unordered_multimap<int, int> x4;
+  };
 #endif
 
-    x1.insert(1);
-    x2[2] = 2;
-    x3.insert(3);
-    x4.insert(std::make_pair(4, 5));
+  x1.insert(1);
+  x2[2] = 2;
+  x3.insert(3);
+  x4.insert(std::make_pair(4, 5));
 }

test/unordered/load_factor_tests.cpp

@@ -21,10 +21,10 @@
 
 namespace load_factor_tests {
 
-test::seed_t initialize_seed(783656);
+  test::seed_t initialize_seed(783656);
 
-template <class X> void set_load_factor_tests(X*)
-{
+  template <class X> void set_load_factor_tests(X*)
+  {
     X x;
 
     BOOST_TEST(x.max_load_factor() == 1.0);
@@ -36,33 +36,32 @@ template <class X> void set_load_factor_tests(X*)
     BOOST_TEST(x.max_load_factor() == 2.0);
     x.max_load_factor(0.5);
     BOOST_TEST(x.max_load_factor() == 0.5);
-}
+  }
 
-template <class X>
-void insert_test(X*, float mlf, test::random_generator generator)
-{
+  template <class X>
+  void insert_test(X*, float mlf, test::random_generator generator)
+  {
     X x;
     x.max_load_factor(mlf);
     float b = x.max_load_factor();
 
     test::random_values<X> values(1000, generator);
 
-    for (BOOST_DEDUCED_TYPENAME test::random_values<X>::const_iterator
-             it = values.begin(),
-             end = values.end();
+    for (typename test::random_values<X>::const_iterator it = values.begin(),
+                                                         end = values.end();
          it != end; ++it) {
-        BOOST_DEDUCED_TYPENAME X::size_type old_size = x.size(),
-                                            old_bucket_count = x.bucket_count();
-        x.insert(*it);
-        if (static_cast<double>(old_size + 1) <=
-            b * static_cast<double>(old_bucket_count))
-            BOOST_TEST(x.bucket_count() == old_bucket_count);
+      typename X::size_type old_size = x.size(),
+                            old_bucket_count = x.bucket_count();
+      x.insert(*it);
+      if (static_cast<double>(old_size + 1) <=
+          b * static_cast<double>(old_bucket_count))
+        BOOST_TEST(x.bucket_count() == old_bucket_count);
     }
-}
+  }
 
-template <class X>
-void load_factor_insert_tests(X* ptr, test::random_generator generator)
-{
+  template <class X>
+  void load_factor_insert_tests(X* ptr, test::random_generator generator)
+  {
     insert_test(ptr, 1.0f, generator);
     insert_test(ptr, 0.1f, generator);
     insert_test(ptr, 100.0f, generator);
@@ -70,24 +69,24 @@ void load_factor_insert_tests(X* ptr, test::random_generator generator)
     insert_test(ptr, (std::numeric_limits<float>::min)(), generator);
 
     if (std::numeric_limits<float>::has_infinity)
-        insert_test(ptr, std::numeric_limits<float>::infinity(), generator);
-}
+      insert_test(ptr, std::numeric_limits<float>::infinity(), generator);
+  }
 
-boost::unordered_set<int>* int_set_ptr;
-boost::unordered_multiset<int>* int_multiset_ptr;
-boost::unordered_map<int, int>* int_map_ptr;
-boost::unordered_multimap<int, int>* int_multimap_ptr;
+  boost::unordered_set<int>* int_set_ptr;
+  boost::unordered_multiset<int>* int_multiset_ptr;
+  boost::unordered_map<int, int>* int_map_ptr;
+  boost::unordered_multimap<int, int>* int_multimap_ptr;
 
-using test::default_generator;
-using test::generate_collisions;
-using test::limited_range;
+  using test::default_generator;
+  using test::generate_collisions;
+  using test::limited_range;
 
-UNORDERED_TEST(set_load_factor_tests,
+  UNORDERED_TEST(set_load_factor_tests,
     ((int_set_ptr)(int_multiset_ptr)(int_map_ptr)(int_multimap_ptr)))
 
-UNORDERED_TEST(load_factor_insert_tests,
+  UNORDERED_TEST(load_factor_insert_tests,
     ((int_set_ptr)(int_multiset_ptr)(int_map_ptr)(int_multimap_ptr))(
-                   (default_generator)(generate_collisions)(limited_range)))
+      (default_generator)(generate_collisions)(limited_range)))
 }
 
 RUN_TESTS()

test/unordered/merge_tests.cpp

@@ -15,12 +15,10 @@
 #include "../helpers/test.hpp"
 #include "../helpers/tracker.hpp"
 #include "../objects/test.hpp"
-#include <boost/next_prior.hpp>
 
 namespace merge_tests {
 
-UNORDERED_AUTO_TEST(merge_set)
-{
+  UNORDERED_AUTO_TEST (merge_set) {
     boost::unordered_set<int> x;
     boost::unordered_set<int> y;
 
@@ -57,10 +55,9 @@ UNORDERED_AUTO_TEST(merge_set)
 
     test::check_equivalent_keys(x);
     test::check_equivalent_keys(y);
-}
+  }
 
-UNORDERED_AUTO_TEST(merge_multiset)
-{
+  UNORDERED_AUTO_TEST (merge_multiset) {
     boost::unordered_multiset<int> x;
     boost::unordered_multiset<int> y;
 
@@ -97,11 +94,9 @@ UNORDERED_AUTO_TEST(merge_multiset)
 
     test::check_equivalent_keys(x);
     test::check_equivalent_keys(y);
-}
+  }
 
-#if BOOST_UNORDERED_INTEROPERABLE_NODES
-UNORDERED_AUTO_TEST(merge_set_and_multiset)
-{
+  UNORDERED_AUTO_TEST (merge_set_and_multiset) {
     boost::unordered_set<int> x;
     boost::unordered_multiset<int> y;
 
@@ -138,119 +133,205 @@ UNORDERED_AUTO_TEST(merge_set_and_multiset)
 
     test::check_equivalent_keys(x);
     test::check_equivalent_keys(y);
-}
-#endif
+  }
 
-template <class X> void merge_empty_test(X*, test::random_generator generator)
-{
+  template <class X1, class X2>
+  void merge_empty_test(X1*, X2*, test::random_generator generator)
+  {
     test::check_instances check_;
 
-    test::random_values<X> v(1000, generator);
-    X x1(v.begin(), v.end()), x2;
+    test::random_values<X1> v(1000, generator);
+    X1 x1(v.begin(), v.end());
+    X2 x2;
     x1.merge(x2);
     test::check_container(x1, v);
     BOOST_TEST(x2.empty());
     test::check_equivalent_keys(x1);
     test::check_equivalent_keys(x2);
-}
+  }
 
-template <class X>
-void merge_into_empty_test(X*, test::random_generator generator)
-{
+  template <class X>
+  void merge_into_empty_test(X*, test::random_generator generator)
+  {
     test::check_instances check_;
 
     test::random_values<X> v(1000, generator);
-    X x1, x2(v.begin(), v.end());
+    X x1;
+    X x2(v.begin(), v.end());
     x1.merge(x2);
     test::check_container(x1, v);
     BOOST_TEST(x2.empty());
     test::check_equivalent_keys(x1);
     test::check_equivalent_keys(x2);
-}
+  }
 
-template <class X> void unique_merge_test(X*, test::random_generator generator)
-{
+  template <class X1, class X2>
+  void merge_into_unique_keys_test(X1*, X2*, int hash_equal1, int hash_equal2,
+    test::random_generator generator)
+  {
     test::check_instances check_;
 
-    test::random_values<X> v1(1000, generator);
-    test::random_values<X> v2(1000, generator);
-    v1.insert(v2.begin(), boost::next(v2.begin(), 100));
-    v2.insert(v1.begin(), boost::next(v1.begin(), 100));
+    test::random_values<X1> v1(1000, generator);
+    test::random_values<X2> v2(1000, generator);
+    v1.insert(v2.begin(), test::next(v2.begin(), 100));
+    v2.insert(v1.begin(), test::next(v1.begin(), 100));
 
-    X x1(v1.begin(), v1.end()), x2(v2.begin(), v2.end());
-    x1.merge(x2);
+    X1 x1(v1.begin(), v1.end(), 0, test::hash(hash_equal1),
+      test::equal_to(hash_equal1));
+    X2 x2(v2.begin(), v2.end(), 0, test::hash(hash_equal2),
+      test::equal_to(hash_equal2));
 
-    test::ordered<X> tracker1 = test::create_ordered(x1);
-    test::ordered<X> tracker2 = test::create_ordered(x2);
-    test::ordered<X> tracker_tmp = test::create_ordered(x2);
+    test::ordered<X1> tracker1 = test::create_ordered(x1);
+    test::ordered<X2> tracker2 = test::create_ordered(x2);
     tracker1.insert(v1.begin(), v1.end());
-    tracker_tmp.insert(v2.begin(), v2.end());
-    for (BOOST_DEDUCED_TYPENAME test::ordered<X>::iterator it =
-             tracker_tmp.begin();
-         it != tracker_tmp.end(); ++it) {
-        if (!tracker1.insert(*it).second) {
-            tracker2.insert(*it);
-        }
+    for (typename X2::iterator it = x2.begin(); it != x2.end(); ++it) {
+      if (!tracker1.insert(*it).second) {
+        tracker2.insert(*it);
+      }
     }
 
+    x1.merge(x2);
+
     tracker1.compare(x1);
     tracker2.compare(x2);
     test::check_equivalent_keys(x1);
     test::check_equivalent_keys(x2);
-}
+  }
 
-template <class X> void equiv_merge_test(X*, test::random_generator generator)
-{
+  template <class X1, class X2>
+  void merge_into_equiv_keys_test(X1*, X2*, int hash_equal1, int hash_equal2,
+    test::random_generator generator)
+  {
     test::check_instances check_;
 
-    test::random_values<X> v1(1000, generator);
-    test::random_values<X> v2(1000, generator);
-    v1.insert(v2.begin(), boost::next(v2.begin(), 100));
-    v2.insert(v1.begin(), boost::next(v1.begin(), 100));
+    test::random_values<X1> v1(1000, generator);
+    test::random_values<X2> v2(1000, generator);
+    v1.insert(v2.begin(), test::next(v2.begin(), 100));
+    v2.insert(v1.begin(), test::next(v1.begin(), 100));
 
-    X x1(v1.begin(), v1.end()), x2(v2.begin(), v2.end());
+    X1 x1(v1.begin(), v1.end(), 0, test::hash(hash_equal1),
+      test::equal_to(hash_equal1));
+    X2 x2(v2.begin(), v2.end(), 0, test::hash(hash_equal2),
+      test::equal_to(hash_equal2));
     x1.merge(x2);
 
-    test::ordered<X> tracker1 = test::create_ordered(x1);
+    test::ordered<X1> tracker1 = test::create_ordered(x1);
+    test::ordered<X2> tracker2 = test::create_ordered(x2);
     tracker1.insert(v1.begin(), v1.end());
-    tracker1.insert(v2.begin(), v2.end());
+    tracker2.insert(v2.begin(), v2.end());
+    tracker1.insert(tracker2.begin(), tracker2.end());
+    tracker2.clear();
 
     tracker1.compare(x1);
-    BOOST_TEST(x2.empty());
+    tracker2.compare(x2);
     test::check_equivalent_keys(x1);
     test::check_equivalent_keys(x2);
-}
+  }
 
-boost::unordered_set<test::movable, test::hash, test::equal_to,
+  boost::unordered_set<test::movable, test::hash, test::equal_to,
     std::allocator<test::movable> >* test_set_std_alloc;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multiset<test::movable, test::hash, test::equal_to,
+    std::allocator<test::movable> >* test_multiset_std_alloc;
+
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+    std::allocator<test::object> >* test_map_std_alloc;
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, std::allocator<test::object> >* test_multimap_std_alloc;
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_set;
-boost::unordered_multiset<test::movable, test::hash, test::equal_to,
-    test::allocator2<test::movable> >* test_multiset;
-boost::unordered_map<test::movable, test::movable, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
+    test::allocator1<test::object> >* test_multiset;
+
+  boost::unordered_map<test::movable, test::movable, test::hash, test::equal_to,
     test::allocator2<test::movable> >* test_map;
-boost::unordered_multimap<test::object, test::object, test::hash,
-    test::equal_to, test::allocator1<test::object> >* test_multimap;
+  boost::unordered_multimap<test::movable, test::movable, test::hash,
+    test::equal_to, test::allocator2<test::movable> >* test_multimap;
 
-using test::default_generator;
-using test::generate_collisions;
+  using test::default_generator;
+  using test::generate_collisions;
 
+  // clang-format off
 UNORDERED_TEST(merge_empty_test,
-    ((test_set_std_alloc)(test_multimap_std_alloc)(test_set)(test_multiset)(
-        test_map)(test_multimap))((default_generator)(generate_collisions)))
+    ((test_set_std_alloc)(test_multiset_std_alloc))
+    ((test_set_std_alloc)(test_multiset_std_alloc))
+    ((default_generator)(generate_collisions)))
+UNORDERED_TEST(merge_empty_test,
+    ((test_map_std_alloc)(test_multimap_std_alloc))
+    ((test_map_std_alloc)(test_multimap_std_alloc))
+    ((default_generator)(generate_collisions)))
+UNORDERED_TEST(merge_empty_test,
+    ((test_set)(test_multiset))
+    ((test_set)(test_multiset))
+    ((default_generator)(generate_collisions)))
+UNORDERED_TEST(merge_empty_test,
+    ((test_map)(test_multimap))
+    ((test_map)(test_multimap))
+    ((default_generator)(generate_collisions)))
 
 UNORDERED_TEST(merge_into_empty_test,
-    ((test_set_std_alloc)(test_multimap_std_alloc)(test_set)(test_multiset)(
-        test_map)(test_multimap))((default_generator)(generate_collisions)))
+    ((test_set_std_alloc)(test_multiset_std_alloc))
+    ((default_generator)(generate_collisions)))
+UNORDERED_TEST(merge_into_empty_test,
+    ((test_map_std_alloc)(test_multimap_std_alloc))
+    ((default_generator)(generate_collisions)))
+UNORDERED_TEST(merge_into_empty_test,
+    ((test_set)(test_multiset))
+    ((default_generator)(generate_collisions)))
+UNORDERED_TEST(merge_into_empty_test,
+    ((test_map)(test_multimap))
+    ((default_generator)(generate_collisions)))
 
-UNORDERED_TEST(unique_merge_test,
-    ((test_set_std_alloc)(test_set)(test_map))((default_generator)))
+UNORDERED_TEST(merge_into_unique_keys_test,
+    ((test_set_std_alloc))
+    ((test_set_std_alloc)(test_multiset_std_alloc))
+    ((0)(1)(2))
+    ((0)(1)(2))
+    ((default_generator)(generate_collisions)))
+UNORDERED_TEST(merge_into_unique_keys_test,
+    ((test_map_std_alloc))
+    ((test_map_std_alloc)(test_multimap_std_alloc))
+    ((0)(1)(2))
+    ((0)(1)(2))
+    ((default_generator)(generate_collisions)))
+UNORDERED_TEST(merge_into_unique_keys_test,
+    ((test_set))
+    ((test_set)(test_multiset))
+    ((0)(1)(2))
+    ((0)(1)(2))
+    ((default_generator)(generate_collisions)))
+UNORDERED_TEST(merge_into_unique_keys_test,
+    ((test_map))
+    ((test_map)(test_multimap))
+    ((0)(1)(2))
+    ((0)(1)(2))
+    ((default_generator)(generate_collisions)))
 
-UNORDERED_TEST(equiv_merge_test, ((test_multimap_std_alloc)(test_multiset)(
-                                     test_multimap))((default_generator)))
+UNORDERED_TEST(merge_into_equiv_keys_test,
+    ((test_multiset_std_alloc))
+    ((test_set_std_alloc)(test_multiset_std_alloc))
+    ((0)(1)(2))
+    ((0)(1)(2))
+    ((default_generator)(generate_collisions)))
+UNORDERED_TEST(merge_into_equiv_keys_test,
+    ((test_multimap_std_alloc))
+    ((test_map_std_alloc)(test_multimap_std_alloc))
+    ((0)(1)(2))
+    ((0)(1)(2))
+    ((default_generator)(generate_collisions)))
+UNORDERED_TEST(merge_into_equiv_keys_test,
+    ((test_multiset))
+    ((test_set)(test_multiset))
+    ((0)(1)(2))
+    ((0)(1)(2))
+    ((default_generator)(generate_collisions)))
+UNORDERED_TEST(merge_into_equiv_keys_test,
+    ((test_multimap))
+    ((test_map)(test_multimap))
+    ((0)(1)(2))
+    ((0)(1)(2))
+    ((default_generator)(generate_collisions)))
+  // clang-format on
 }
 
 RUN_TESTS()

test/unordered/minimal_allocator.cpp

@@ -4,90 +4,89 @@
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
 #include "../objects/test.hpp"
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/static_assert.hpp>
 #include <boost/type_traits/is_same.hpp>
 #include <boost/unordered/detail/implementation.hpp>
 
 template <class Tp> struct SimpleAllocator
 {
-    typedef Tp value_type;
+  typedef Tp value_type;
 
-    SimpleAllocator() {}
+  SimpleAllocator() {}
 
-    template <class T> SimpleAllocator(const SimpleAllocator<T>&) {}
+  template <class T> SimpleAllocator(const SimpleAllocator<T>&) {}
 
-    Tp* allocate(std::size_t n)
-    {
-        return static_cast<Tp*>(::operator new(n * sizeof(Tp)));
-    }
+  Tp* allocate(std::size_t n)
+  {
+    return static_cast<Tp*>(::operator new(n * sizeof(Tp)));
+  }
 
-    void deallocate(Tp* p, std::size_t) { ::operator delete((void*)p); }
+  void deallocate(Tp* p, std::size_t) { ::operator delete((void*)p); }
 };
 
 template <typename T> void test_simple_allocator()
 {
-    test::check_instances check_;
+  test::check_instances check_;
 
-    typedef boost::unordered::detail::allocator_traits<SimpleAllocator<T> >
-        traits;
+  typedef boost::unordered::detail::allocator_traits<SimpleAllocator<T> >
+    traits;
 
-    BOOST_STATIC_ASSERT((boost::is_same<typename traits::allocator_type,
-        SimpleAllocator<T> >::value));
+  BOOST_STATIC_ASSERT((boost::is_same<typename traits::allocator_type,
+    SimpleAllocator<T> >::value));
 
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<typename traits::value_type, T>::value));
+  BOOST_STATIC_ASSERT((boost::is_same<typename traits::value_type, T>::value));
 
-    BOOST_STATIC_ASSERT((boost::is_same<typename traits::pointer, T*>::value));
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<typename traits::const_pointer, T const*>::value));
-    // BOOST_STATIC_ASSERT((boost::is_same<typename traits::void_pointer, void*
-    // >::value));
-    // BOOST_STATIC_ASSERT((boost::is_same<typename traits::const_void_pointer,
-    // void const*>::value));
+  BOOST_STATIC_ASSERT((boost::is_same<typename traits::pointer, T*>::value));
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<typename traits::const_pointer, T const*>::value));
+  // BOOST_STATIC_ASSERT((boost::is_same<typename traits::void_pointer, void*
+  // >::value));
+  // BOOST_STATIC_ASSERT((boost::is_same<typename traits::const_void_pointer,
+  // void const*>::value));
 
-    BOOST_STATIC_ASSERT((boost::is_same<typename traits::difference_type,
-        std::ptrdiff_t>::value));
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<typename traits::difference_type, std::ptrdiff_t>::value));
 
 #if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 1
-    BOOST_STATIC_ASSERT((boost::is_same<typename traits::size_type,
-        std::make_unsigned<std::ptrdiff_t>::type>::value));
+  BOOST_STATIC_ASSERT((boost::is_same<typename traits::size_type,
+    std::make_unsigned<std::ptrdiff_t>::type>::value));
 #else
-    BOOST_STATIC_ASSERT(
-        (boost::is_same<typename traits::size_type, std::size_t>::value));
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<typename traits::size_type, std::size_t>::value));
 #endif
 
-    BOOST_TEST(!traits::propagate_on_container_copy_assignment::value);
-    BOOST_TEST(!traits::propagate_on_container_move_assignment::value);
-    BOOST_TEST(!traits::propagate_on_container_swap::value);
+  BOOST_TEST(!traits::propagate_on_container_copy_assignment::value);
+  BOOST_TEST(!traits::propagate_on_container_move_assignment::value);
+  BOOST_TEST(!traits::propagate_on_container_swap::value);
 
-    // rebind_alloc
-    // rebind_traits
+  // rebind_alloc
+  // rebind_traits
 
-    SimpleAllocator<T> a;
+  SimpleAllocator<T> a;
 
-    T* ptr1 = traits::allocate(a, 1);
-    // T* ptr2 = traits::allocate(a, 1, static_cast<void const*>(ptr1));
+  T* ptr1 = traits::allocate(a, 1);
+  // T* ptr2 = traits::allocate(a, 1, static_cast<void const*>(ptr1));
 
-    traits::construct(a, ptr1, T(10));
-    // traits::construct(a, ptr2, T(30), ptr1);
+  traits::construct(a, ptr1, T(10));
+  // traits::construct(a, ptr2, T(30), ptr1);
 
-    BOOST_TEST(*ptr1 == T(10));
-    // BOOST_TEST(*ptr2 == T(30));
+  BOOST_TEST(*ptr1 == T(10));
+  // BOOST_TEST(*ptr2 == T(30));
 
-    traits::destroy(a, ptr1);
-    // traits::destroy(a, ptr2);
+  traits::destroy(a, ptr1);
+  // traits::destroy(a, ptr2);
 
-    // traits::deallocate(a, ptr2, 1);
-    traits::deallocate(a, ptr1, 1);
+  // traits::deallocate(a, ptr2, 1);
+  traits::deallocate(a, ptr1, 1);
 
-    traits::max_size(a);
+  traits::max_size(a);
 }
 
 int main()
 {
-    test_simple_allocator<int>();
-    test_simple_allocator<test::object>();
+  test_simple_allocator<int>();
+  test_simple_allocator<test::object>();
 
-    return boost::report_errors();
+  return boost::report_errors();
 }

test/unordered/move_tests.cpp

@@ -23,353 +23,350 @@
 #endif
 
 namespace move_tests {
-test::seed_t initialize_seed(98624);
+  test::seed_t initialize_seed(98624);
 #if defined(BOOST_UNORDERED_USE_MOVE) ||                                       \
-    !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+  !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
 #define BOOST_UNORDERED_TEST_MOVING 1
 #else
 #define BOOST_UNORDERED_TEST_MOVING 0
 #endif
 
-template <class T> T empty(T*) { return T(); }
+  template <class T> T empty(T*) { return T(); }
 
-template <class T>
-T create(test::random_values<T> const& v, test::object_count& count)
-{
+  template <class T>
+  T create(test::random_values<T> const& v, test::object_count& count)
+  {
     T x(v.begin(), v.end());
     count = test::global_object_count;
     return x;
-}
+  }
 
-template <class T>
-T create(test::random_values<T> const& v, test::object_count& count,
-    BOOST_DEDUCED_TYPENAME T::hasher hf, BOOST_DEDUCED_TYPENAME T::key_equal eq,
-    BOOST_DEDUCED_TYPENAME T::allocator_type al, float mlf)
-{
+  template <class T>
+  T create(test::random_values<T> const& v, test::object_count& count,
+    typename T::hasher hf, typename T::key_equal eq,
+    typename T::allocator_type al, float mlf)
+  {
     T x(0, hf, eq, al);
     x.max_load_factor(mlf);
     x.insert(v.begin(), v.end());
     count = test::global_object_count;
     return x;
-}
+  }
 
-template <class T>
-void move_construct_tests1(T* ptr, test::random_generator const& generator)
-{
-    BOOST_DEDUCED_TYPENAME T::hasher hf;
-    BOOST_DEDUCED_TYPENAME T::key_equal eq;
-    BOOST_DEDUCED_TYPENAME T::allocator_type al;
+  template <class T>
+  void move_construct_tests1(T* ptr, test::random_generator const& generator)
+  {
+    typename T::hasher hf;
+    typename T::key_equal eq;
+    typename T::allocator_type al;
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        T y(empty(ptr));
-        BOOST_TEST(y.empty());
-        BOOST_TEST(test::equivalent(y.hash_function(), hf));
-        BOOST_TEST(test::equivalent(y.key_eq(), eq));
-        BOOST_TEST(test::equivalent(y.get_allocator(), al));
-        BOOST_TEST(y.max_load_factor() == 1.0);
-        test::check_equivalent_keys(y);
+      T y(empty(ptr));
+      BOOST_TEST(y.empty());
+      BOOST_TEST(test::equivalent(y.hash_function(), hf));
+      BOOST_TEST(test::equivalent(y.key_eq(), eq));
+      BOOST_TEST(test::equivalent(y.get_allocator(), al));
+      BOOST_TEST(y.max_load_factor() == 1.0);
+      test::check_equivalent_keys(y);
     }
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(1000, generator);
-        test::object_count count;
-        T y(create(v, count));
+      test::random_values<T> v(1000, generator);
+      test::object_count count;
+      T y(create(v, count));
 #if defined(BOOST_HAS_NRVO)
-        BOOST_TEST(count == test::global_object_count);
+      BOOST_TEST(count == test::global_object_count);
 #endif
-        test::check_container(y, v);
-        test::check_equivalent_keys(y);
+      test::check_container(y, v);
+      test::check_equivalent_keys(y);
     }
-}
+  }
 
-template <class T>
-void move_assign_tests1(T*, test::random_generator const& generator)
-{
+  template <class T>
+  void move_assign_tests1(T*, test::random_generator const& generator)
+  {
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(500, generator);
-        test::object_count count;
-        T y;
-        y = create(v, count);
+      test::random_values<T> v(500, generator);
+      test::object_count count;
+      T y;
+      y = create(v, count);
 #if BOOST_UNORDERED_TEST_MOVING && defined(BOOST_HAS_NRVO)
-        BOOST_TEST(count == test::global_object_count);
+      BOOST_TEST(count == test::global_object_count);
 #endif
-        test::check_container(y, v);
-        test::check_equivalent_keys(y);
+      test::check_container(y, v);
+      test::check_equivalent_keys(y);
     }
-}
+  }
 
-template <class T>
-void move_construct_tests2(T*, test::random_generator const& generator)
-{
-    BOOST_DEDUCED_TYPENAME T::hasher hf(1);
-    BOOST_DEDUCED_TYPENAME T::key_equal eq(1);
-    BOOST_DEDUCED_TYPENAME T::allocator_type al(1);
-    BOOST_DEDUCED_TYPENAME T::allocator_type al2(2);
+  template <class T>
+  void move_construct_tests2(T*, test::random_generator const& generator)
+  {
+    typename T::hasher hf(1);
+    typename T::key_equal eq(1);
+    typename T::allocator_type al(1);
+    typename T::allocator_type al2(2);
 
     test::object_count count;
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(500, generator);
-        T y(create(v, count, hf, eq, al, 0.5));
+      test::random_values<T> v(500, generator);
+      T y(create(v, count, hf, eq, al, 0.5));
 #if defined(BOOST_HAS_NRVO)
-        BOOST_TEST(count == test::global_object_count);
+      BOOST_TEST(count == test::global_object_count);
 #endif
-        test::check_container(y, v);
-        BOOST_TEST(test::equivalent(y.hash_function(), hf));
-        BOOST_TEST(test::equivalent(y.key_eq(), eq));
-        BOOST_TEST(test::equivalent(y.get_allocator(), al));
-        BOOST_TEST(y.max_load_factor() == 0.5); // Not necessarily required.
-        test::check_equivalent_keys(y);
+      test::check_container(y, v);
+      BOOST_TEST(test::equivalent(y.hash_function(), hf));
+      BOOST_TEST(test::equivalent(y.key_eq(), eq));
+      BOOST_TEST(test::equivalent(y.get_allocator(), al));
+      BOOST_TEST(y.max_load_factor() == 0.5); // Not necessarily required.
+      test::check_equivalent_keys(y);
     }
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        // TODO: To do this correctly requires the fancy new allocator
-        // stuff.
-        test::random_values<T> v(500, generator);
-        T y(create(v, count, hf, eq, al, 2.0), al2);
-        BOOST_TEST(count != test::global_object_count);
-        test::check_container(y, v);
-        BOOST_TEST(test::equivalent(y.hash_function(), hf));
-        BOOST_TEST(test::equivalent(y.key_eq(), eq));
-        BOOST_TEST(test::equivalent(y.get_allocator(), al2));
-        BOOST_TEST(y.max_load_factor() == 2.0); // Not necessarily required.
-        test::check_equivalent_keys(y);
+      // TODO: To do this correctly requires the fancy new allocator
+      // stuff.
+      test::random_values<T> v(500, generator);
+      T y(create(v, count, hf, eq, al, 2.0), al2);
+      BOOST_TEST(count != test::global_object_count);
+      test::check_container(y, v);
+      BOOST_TEST(test::equivalent(y.hash_function(), hf));
+      BOOST_TEST(test::equivalent(y.key_eq(), eq));
+      BOOST_TEST(test::equivalent(y.get_allocator(), al2));
+      BOOST_TEST(y.max_load_factor() == 2.0); // Not necessarily required.
+      test::check_equivalent_keys(y);
     }
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<T> v(25, generator);
-        T y(create(v, count, hf, eq, al, 1.0), al);
+      test::random_values<T> v(25, generator);
+      T y(create(v, count, hf, eq, al, 1.0), al);
 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
-        BOOST_TEST(count == test::global_object_count);
+      BOOST_TEST(count == test::global_object_count);
 #elif defined(BOOST_HAS_NRVO)
-        BOOST_TEST(
-            static_cast<std::size_t>(test::global_object_count.constructions -
-                                     count.constructions) <=
-            (test::is_set<T>::value ? 1 : 2) *
-                (test::has_unique_keys<T>::value ? 25 : v.size()));
-        BOOST_TEST(count.instances == test::global_object_count.instances);
+      BOOST_TEST(
+        static_cast<std::size_t>(
+          test::global_object_count.constructions - count.constructions) <=
+        (test::is_set<T>::value ? 1 : 2) *
+          (test::has_unique_keys<T>::value ? 25 : v.size()));
+      BOOST_TEST(count.instances == test::global_object_count.instances);
 #else
+      BOOST_TEST(
+        static_cast<std::size_t>(
+          test::global_object_count.constructions - count.constructions) <=
+        (test::is_set<T>::value ? 2 : 4) *
+          (test::has_unique_keys<T>::value ? 25 : v.size()));
+      BOOST_TEST(count.instances == test::global_object_count.instances);
+#endif
+      test::check_container(y, v);
+      BOOST_TEST(test::equivalent(y.hash_function(), hf));
+      BOOST_TEST(test::equivalent(y.key_eq(), eq));
+      BOOST_TEST(test::equivalent(y.get_allocator(), al));
+      BOOST_TEST(y.max_load_factor() == 1.0); // Not necessarily required.
+      test::check_equivalent_keys(y);
+    }
+  }
+
+  template <class T>
+  void move_assign_tests2(T*, test::random_generator const& generator)
+  {
+    typename T::hasher hf(1);
+    typename T::key_equal eq(1);
+    typename T::allocator_type al1(1);
+    typename T::allocator_type al2(2);
+    typedef typename T::allocator_type allocator_type;
+
+    {
+      test::random_values<T> v(500, generator);
+      test::random_values<T> v2(0, generator);
+      T y(v.begin(), v.end(), 0, hf, eq, al1);
+      test::object_count count;
+      y = create(v2, count, hf, eq, al2, 2.0);
+      BOOST_TEST(y.empty());
+      test::check_container(y, v2);
+      test::check_equivalent_keys(y);
+      BOOST_TEST(y.max_load_factor() == 2.0);
+
+#if defined(BOOST_HAS_NRVO)
+      if (BOOST_UNORDERED_TEST_MOVING
+            ? (bool)allocator_type::is_propagate_on_move
+            : (bool)allocator_type::is_propagate_on_assign) {
+        BOOST_TEST(test::equivalent(y.get_allocator(), al2));
+      } else {
+        BOOST_TEST(test::equivalent(y.get_allocator(), al1));
+      }
+#endif
+    }
+
+    {
+      test::random_values<T> v(500, generator);
+      test::object_count count;
+      T y(0, hf, eq, al1);
+      y = create(v, count, hf, eq, al2, 0.5);
+#if defined(BOOST_HAS_NRVO)
+      if (BOOST_UNORDERED_TEST_MOVING && allocator_type::is_propagate_on_move) {
+        BOOST_TEST(count == test::global_object_count);
+      }
+#endif
+      test::check_container(y, v);
+      test::check_equivalent_keys(y);
+      BOOST_TEST(y.max_load_factor() == 0.5);
+
+#if defined(BOOST_HAS_NRVO)
+      if (BOOST_UNORDERED_TEST_MOVING
+            ? (bool)allocator_type::is_propagate_on_move
+            : (bool)allocator_type::is_propagate_on_assign) {
+        BOOST_TEST(test::equivalent(y.get_allocator(), al2));
+      } else {
+        BOOST_TEST(test::equivalent(y.get_allocator(), al1));
+      }
+#endif
+    }
+
+    {
+      test::check_instances check_;
+
+      test::random_values<T> v(500, generator);
+      T y(0, hf, eq, al1);
+
+      T x(0, hf, eq, al2);
+      x.max_load_factor(0.25);
+      x.insert(v.begin(), v.end());
+
+      test::object_count count = test::global_object_count;
+      y = boost::move(x);
+      if (BOOST_UNORDERED_TEST_MOVING && allocator_type::is_propagate_on_move) {
+        BOOST_TEST(count == test::global_object_count);
+      }
+      test::check_container(y, v);
+      test::check_equivalent_keys(y);
+      BOOST_TEST(y.max_load_factor() == 0.25);
+
+      if (BOOST_UNORDERED_TEST_MOVING
+            ? (bool)allocator_type::is_propagate_on_move
+            : (bool)allocator_type::is_propagate_on_assign) {
+        BOOST_TEST(test::equivalent(y.get_allocator(), al2));
+      } else {
+        BOOST_TEST(test::equivalent(y.get_allocator(), al1));
+      }
+    }
+
+    {
+      test::check_instances check_;
+
+      test::random_values<T> v1(1000, generator);
+      test::random_values<T> v2(200, generator);
+
+      T x(0, hf, eq, al2);
+      x.max_load_factor(0.5);
+      x.insert(v2.begin(), v2.end());
+
+      test::object_count count1 = test::global_object_count;
+
+      T y(v1.begin(), v1.end(), 0, hf, eq, al1);
+      y = boost::move(x);
+
+      test::object_count count2 = test::global_object_count;
+
+      if (BOOST_UNORDERED_TEST_MOVING && allocator_type::is_propagate_on_move) {
+        BOOST_TEST(count1.instances == test::global_object_count.instances);
         BOOST_TEST(
-            static_cast<std::size_t>(test::global_object_count.constructions -
-                                     count.constructions) <=
-            (test::is_set<T>::value ? 2 : 4) *
-                (test::has_unique_keys<T>::value ? 25 : v.size()));
-        BOOST_TEST(count.instances == test::global_object_count.instances);
-#endif
-        test::check_container(y, v);
-        BOOST_TEST(test::equivalent(y.hash_function(), hf));
-        BOOST_TEST(test::equivalent(y.key_eq(), eq));
-        BOOST_TEST(test::equivalent(y.get_allocator(), al));
-        BOOST_TEST(y.max_load_factor() == 1.0); // Not necessarily required.
-        test::check_equivalent_keys(y);
+          count2.constructions == test::global_object_count.constructions);
+      }
+
+      test::check_container(y, v2);
+      test::check_equivalent_keys(y);
+      BOOST_TEST(y.max_load_factor() == 0.5);
+
+      if (BOOST_UNORDERED_TEST_MOVING
+            ? (bool)allocator_type::is_propagate_on_move
+            : (bool)allocator_type::is_propagate_on_assign) {
+        BOOST_TEST(test::equivalent(y.get_allocator(), al2));
+      } else {
+        BOOST_TEST(test::equivalent(y.get_allocator(), al1));
+      }
     }
-}
+  }
 
-template <class T>
-void move_assign_tests2(T*, test::random_generator const& generator)
-{
-    BOOST_DEDUCED_TYPENAME T::hasher hf(1);
-    BOOST_DEDUCED_TYPENAME T::key_equal eq(1);
-    BOOST_DEDUCED_TYPENAME T::allocator_type al1(1);
-    BOOST_DEDUCED_TYPENAME T::allocator_type al2(2);
-    typedef BOOST_DEDUCED_TYPENAME T::allocator_type allocator_type;
-
-    {
-        test::random_values<T> v(500, generator);
-        test::random_values<T> v2(0, generator);
-        T y(v.begin(), v.end(), 0, hf, eq, al1);
-        test::object_count count;
-        y = create(v2, count, hf, eq, al2, 2.0);
-        BOOST_TEST(y.empty());
-        test::check_container(y, v2);
-        test::check_equivalent_keys(y);
-        BOOST_TEST(y.max_load_factor() == 2.0);
-
-#if defined(BOOST_HAS_NRVO)
-        if (BOOST_UNORDERED_TEST_MOVING
-                ? (bool)allocator_type::is_propagate_on_move
-                : (bool)allocator_type::is_propagate_on_assign) {
-            BOOST_TEST(test::equivalent(y.get_allocator(), al2));
-        } else {
-            BOOST_TEST(test::equivalent(y.get_allocator(), al1));
-        }
-#endif
-    }
-
-    {
-        test::random_values<T> v(500, generator);
-        test::object_count count;
-        T y(0, hf, eq, al1);
-        y = create(v, count, hf, eq, al2, 0.5);
-#if defined(BOOST_HAS_NRVO)
-        if (BOOST_UNORDERED_TEST_MOVING &&
-            allocator_type::is_propagate_on_move) {
-            BOOST_TEST(count == test::global_object_count);
-        }
-#endif
-        test::check_container(y, v);
-        test::check_equivalent_keys(y);
-        BOOST_TEST(y.max_load_factor() == 0.5);
-
-#if defined(BOOST_HAS_NRVO)
-        if (BOOST_UNORDERED_TEST_MOVING
-                ? (bool)allocator_type::is_propagate_on_move
-                : (bool)allocator_type::is_propagate_on_assign) {
-            BOOST_TEST(test::equivalent(y.get_allocator(), al2));
-        } else {
-            BOOST_TEST(test::equivalent(y.get_allocator(), al1));
-        }
-#endif
-    }
-
-    {
-        test::check_instances check_;
-
-        test::random_values<T> v(500, generator);
-        T y(0, hf, eq, al1);
-
-        T x(0, hf, eq, al2);
-        x.max_load_factor(0.25);
-        x.insert(v.begin(), v.end());
-
-        test::object_count count = test::global_object_count;
-        y = boost::move(x);
-        if (BOOST_UNORDERED_TEST_MOVING &&
-            allocator_type::is_propagate_on_move) {
-            BOOST_TEST(count == test::global_object_count);
-        }
-        test::check_container(y, v);
-        test::check_equivalent_keys(y);
-        BOOST_TEST(y.max_load_factor() == 0.25);
-
-        if (BOOST_UNORDERED_TEST_MOVING
-                ? (bool)allocator_type::is_propagate_on_move
-                : (bool)allocator_type::is_propagate_on_assign) {
-            BOOST_TEST(test::equivalent(y.get_allocator(), al2));
-        } else {
-            BOOST_TEST(test::equivalent(y.get_allocator(), al1));
-        }
-    }
-
-    {
-        test::check_instances check_;
-
-        test::random_values<T> v1(1000, generator);
-        test::random_values<T> v2(200, generator);
-
-        T x(0, hf, eq, al2);
-        x.max_load_factor(0.5);
-        x.insert(v2.begin(), v2.end());
-
-        test::object_count count1 = test::global_object_count;
-
-        T y(v1.begin(), v1.end(), 0, hf, eq, al1);
-        y = boost::move(x);
-
-        test::object_count count2 = test::global_object_count;
-
-        if (BOOST_UNORDERED_TEST_MOVING &&
-            allocator_type::is_propagate_on_move) {
-            BOOST_TEST(count1.instances == test::global_object_count.instances);
-            BOOST_TEST(count2.constructions ==
-                       test::global_object_count.constructions);
-        }
-
-        test::check_container(y, v2);
-        test::check_equivalent_keys(y);
-        BOOST_TEST(y.max_load_factor() == 0.5);
-
-        if (BOOST_UNORDERED_TEST_MOVING
-                ? (bool)allocator_type::is_propagate_on_move
-                : (bool)allocator_type::is_propagate_on_assign) {
-            BOOST_TEST(test::equivalent(y.get_allocator(), al2));
-        } else {
-            BOOST_TEST(test::equivalent(y.get_allocator(), al1));
-        }
-    }
-}
-
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     std::allocator<test::object> >* test_map_std_alloc;
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::allocator2<test::object> >* test_set;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_multiset;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_map;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, test::allocator2<test::object> >* test_multimap;
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::propagate_move> >*
     test_set_prop_move;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::propagate_move> >*
     test_multiset_prop_move;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::propagate_move> >*
     test_map_prop_move;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, test::cxx11_allocator<test::object, test::propagate_move> >*
     test_multimap_prop_move;
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::no_propagate_move> >*
     test_set_no_prop_move;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::no_propagate_move> >*
     test_multiset_no_prop_move;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::no_propagate_move> >*
     test_map_no_prop_move;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to,
     test::cxx11_allocator<test::object, test::no_propagate_move> >*
     test_multimap_no_prop_move;
 
-using test::default_generator;
-using test::generate_collisions;
-using test::limited_range;
+  using test::default_generator;
+  using test::generate_collisions;
+  using test::limited_range;
 
-UNORDERED_TEST(move_construct_tests1,
+  UNORDERED_TEST(move_construct_tests1,
     ((test_map_std_alloc)(test_set)(test_multiset)(test_map)(test_multimap)(
-        test_set_prop_move)(test_multiset_prop_move)(test_map_prop_move)(
-        test_multimap_prop_move)(test_set_no_prop_move)(
-        test_multiset_no_prop_move)(test_map_no_prop_move)(
-        test_multimap_no_prop_move))(
-                   (default_generator)(generate_collisions)(limited_range)))
-UNORDERED_TEST(move_assign_tests1,
+      test_set_prop_move)(test_multiset_prop_move)(test_map_prop_move)(
+      test_multimap_prop_move)(test_set_no_prop_move)(
+      test_multiset_no_prop_move)(test_map_no_prop_move)(
+      test_multimap_no_prop_move))(
+      (default_generator)(generate_collisions)(limited_range)))
+  UNORDERED_TEST(move_assign_tests1,
     ((test_map_std_alloc)(test_set)(test_multiset)(test_map)(test_multimap)(
-        test_set_prop_move)(test_multiset_prop_move)(test_map_prop_move)(
-        test_multimap_prop_move)(test_set_no_prop_move)(
-        test_multiset_no_prop_move)(test_map_no_prop_move)(
-        test_multimap_no_prop_move))(
-                   (default_generator)(generate_collisions)(limited_range)))
-UNORDERED_TEST(move_construct_tests2,
+      test_set_prop_move)(test_multiset_prop_move)(test_map_prop_move)(
+      test_multimap_prop_move)(test_set_no_prop_move)(
+      test_multiset_no_prop_move)(test_map_no_prop_move)(
+      test_multimap_no_prop_move))(
+      (default_generator)(generate_collisions)(limited_range)))
+  UNORDERED_TEST(move_construct_tests2,
     ((test_set)(test_multiset)(test_map)(test_multimap)(test_set_prop_move)(
-        test_multiset_prop_move)(test_map_prop_move)(test_multimap_prop_move)(
-        test_set_no_prop_move)(test_multiset_no_prop_move)(
-        test_map_no_prop_move)(test_multimap_no_prop_move))(
-                   (default_generator)(generate_collisions)(limited_range)))
-UNORDERED_TEST(move_assign_tests2,
+      test_multiset_prop_move)(test_map_prop_move)(test_multimap_prop_move)(
+      test_set_no_prop_move)(test_multiset_no_prop_move)(test_map_no_prop_move)(
+      test_multimap_no_prop_move))(
+      (default_generator)(generate_collisions)(limited_range)))
+  UNORDERED_TEST(move_assign_tests2,
     ((test_set)(test_multiset)(test_map)(test_multimap)(test_set_prop_move)(
-        test_multiset_prop_move)(test_map_prop_move)(test_multimap_prop_move)(
-        test_set_no_prop_move)(test_multiset_no_prop_move)(
-        test_map_no_prop_move)(test_multimap_no_prop_move))(
-                   (default_generator)(generate_collisions)(limited_range)))
+      test_multiset_prop_move)(test_map_prop_move)(test_multimap_prop_move)(
+      test_set_no_prop_move)(test_multiset_no_prop_move)(test_map_no_prop_move)(
+      test_multimap_no_prop_move))(
+      (default_generator)(generate_collisions)(limited_range)))
 }
 
 RUN_TESTS()

test/unordered/node_handle_tests.cpp

@@ -11,426 +11,414 @@
 #include "../helpers/helpers.hpp"
 #include "../helpers/metafunctions.hpp"
 #include "../helpers/test.hpp"
+#include <boost/core/pointer_traits.hpp>
 #include <boost/static_assert.hpp>
 #include <boost/type_traits/is_same.hpp>
 #include <set>
 #include <string>
 
-UNORDERED_AUTO_TEST(example1)
-{
-    typedef boost::unordered_map<int, std::string>::insert_return_type
-        insert_return_type;
+UNORDERED_AUTO_TEST (example1) {
+  typedef boost::unordered_map<int, std::string>::insert_return_type
+    insert_return_type;
 
-    boost::unordered_map<int, std::string> src;
-    src.emplace(1, "one");
-    src.emplace(2, "two");
-    src.emplace(3, "buckle my shoe");
-    boost::unordered_map<int, std::string> dst;
-    dst.emplace(3, "three");
+  boost::unordered_map<int, std::string> src;
+  src.emplace(1, "one");
+  src.emplace(2, "two");
+  src.emplace(3, "buckle my shoe");
+  boost::unordered_map<int, std::string> dst;
+  dst.emplace(3, "three");
 
-    dst.insert(src.extract(src.find(1)));
-    dst.insert(src.extract(2));
-    insert_return_type r = dst.insert(src.extract(3));
+  dst.insert(src.extract(src.find(1)));
+  dst.insert(src.extract(2));
+  insert_return_type r = dst.insert(src.extract(3));
 
-    BOOST_TEST(src.empty());
-    BOOST_TEST(dst.size() == 3);
-    BOOST_TEST(dst[1] == "one");
-    BOOST_TEST(dst[2] == "two");
-    BOOST_TEST(dst[3] == "three");
-    BOOST_TEST(!r.inserted);
-    BOOST_TEST(r.position == dst.find(3));
-    BOOST_TEST(r.node.mapped() == "buckle my shoe");
+  BOOST_TEST(src.empty());
+  BOOST_TEST(dst.size() == 3);
+  BOOST_TEST(dst[1] == "one");
+  BOOST_TEST(dst[2] == "two");
+  BOOST_TEST(dst[3] == "three");
+  BOOST_TEST(!r.inserted);
+  BOOST_TEST(r.position == dst.find(3));
+  BOOST_TEST(r.node.mapped() == "buckle my shoe");
 }
 
-UNORDERED_AUTO_TEST(example2)
-{
+UNORDERED_AUTO_TEST (example2) {
+  boost::unordered_set<int> src;
+  src.insert(1);
+  src.insert(3);
+  src.insert(5);
+  boost::unordered_set<int> dst;
+  dst.insert(2);
+  dst.insert(4);
+  dst.insert(5);
+  // dst.merge(src);
+  // Merge src into dst.
+  // src == {5}
+  // dst == {1, 2, 3, 4, 5}
+}
+
+UNORDERED_AUTO_TEST (example3) {
+  typedef boost::unordered_set<int>::iterator iterator;
+
+  boost::unordered_set<int> src;
+  src.insert(1);
+  src.insert(3);
+  src.insert(5);
+  boost::unordered_set<int> dst;
+  dst.insert(2);
+  dst.insert(4);
+  dst.insert(5);
+  for (iterator i = src.begin(); i != src.end();) {
+    std::pair<iterator, iterator> p = dst.equal_range(*i);
+    if (p.first == p.second)
+      dst.insert(p.first, src.extract(i++));
+    else
+      ++i;
+  }
+  BOOST_TEST(src.size() == 1);
+  BOOST_TEST(*src.begin() == 5);
+
+  std::set<int> dst2(dst.begin(), dst.end());
+  std::set<int>::iterator it = dst2.begin();
+  BOOST_TEST(*it++ == 1);
+  BOOST_TEST(*it++ == 2);
+  BOOST_TEST(*it++ == 3);
+  BOOST_TEST(*it++ == 4);
+  BOOST_TEST(*it++ == 5);
+  BOOST_TEST(it == dst2.end());
+}
+
+UNORDERED_AUTO_TEST (failed_insertion_with_hint) {
+  {
     boost::unordered_set<int> src;
-    src.insert(1);
-    src.insert(3);
-    src.insert(5);
     boost::unordered_set<int> dst;
-    dst.insert(2);
-    dst.insert(4);
-    dst.insert(5);
-    // dst.merge(src);
-    // Merge src into dst.
-    // src == {5}
-    // dst == {1, 2, 3, 4, 5}
-}
+    src.emplace(10);
+    src.emplace(20);
+    dst.emplace(10);
+    dst.emplace(20);
 
-UNORDERED_AUTO_TEST(example3)
-{
-    typedef boost::unordered_set<int>::iterator iterator;
+    boost::unordered_set<int>::node_type nh = src.extract(10);
 
-    boost::unordered_set<int> src;
-    src.insert(1);
-    src.insert(3);
-    src.insert(5);
-    boost::unordered_set<int> dst;
-    dst.insert(2);
-    dst.insert(4);
-    dst.insert(5);
-    for (iterator i = src.begin(); i != src.end();) {
-        std::pair<iterator, iterator> p = dst.equal_range(*i);
-        if (p.first == p.second)
-            dst.insert(p.first, src.extract(i++));
-        else
-            ++i;
-    }
-    BOOST_TEST(src.size() == 1);
-    BOOST_TEST(*src.begin() == 5);
+    BOOST_TEST(dst.insert(dst.find(10), boost::move(nh)) == dst.find(10));
+    BOOST_TEST(nh);
+    BOOST_TEST(!nh.empty());
+    BOOST_TEST(nh.value() == 10);
 
-    std::set<int> dst2(dst.begin(), dst.end());
-    std::set<int>::iterator it = dst2.begin();
-    BOOST_TEST(*it++ == 1);
-    BOOST_TEST(*it++ == 2);
-    BOOST_TEST(*it++ == 3);
-    BOOST_TEST(*it++ == 4);
-    BOOST_TEST(*it++ == 5);
-    BOOST_TEST(it == dst2.end());
-}
+    BOOST_TEST(dst.insert(dst.find(20), boost::move(nh)) == dst.find(10));
+    BOOST_TEST(nh);
+    BOOST_TEST(!nh.empty());
+    BOOST_TEST(nh.value() == 10);
 
-UNORDERED_AUTO_TEST(failed_insertion_with_hint)
-{
-    {
-        boost::unordered_set<int> src;
-        boost::unordered_set<int> dst;
-        src.emplace(10);
-        src.emplace(20);
-        dst.emplace(10);
-        dst.emplace(20);
+    BOOST_TEST(src.count(10) == 0);
+    BOOST_TEST(src.count(20) == 1);
+    BOOST_TEST(dst.count(10) == 1);
+    BOOST_TEST(dst.count(20) == 1);
+  }
 
-        boost::unordered_set<int>::node_type nh = src.extract(10);
+  {
+    boost::unordered_map<int, int> src;
+    boost::unordered_map<int, int> dst;
+    src.emplace(10, 30);
+    src.emplace(20, 5);
+    dst.emplace(10, 20);
+    dst.emplace(20, 2);
 
-        BOOST_TEST(dst.insert(dst.find(10), boost::move(nh)) == dst.find(10));
-        BOOST_TEST(nh);
-        BOOST_TEST(!nh.empty());
-        BOOST_TEST(nh.value() == 10);
+    boost::unordered_map<int, int>::node_type nh = src.extract(10);
+    BOOST_TEST(dst.insert(dst.find(10), boost::move(nh)) == dst.find(10));
+    BOOST_TEST(nh);
+    BOOST_TEST(!nh.empty());
+    BOOST_TEST(nh.key() == 10);
+    BOOST_TEST(nh.mapped() == 30);
+    BOOST_TEST(dst[10] == 20);
 
-        BOOST_TEST(dst.insert(dst.find(20), boost::move(nh)) == dst.find(10));
-        BOOST_TEST(nh);
-        BOOST_TEST(!nh.empty());
-        BOOST_TEST(nh.value() == 10);
+    BOOST_TEST(dst.insert(dst.find(20), boost::move(nh)) == dst.find(10));
+    BOOST_TEST(nh);
+    BOOST_TEST(!nh.empty());
+    BOOST_TEST(nh.key() == 10);
+    BOOST_TEST(nh.mapped() == 30);
+    BOOST_TEST(dst[10] == 20);
 
-        BOOST_TEST(src.count(10) == 0);
-        BOOST_TEST(src.count(20) == 1);
-        BOOST_TEST(dst.count(10) == 1);
-        BOOST_TEST(dst.count(20) == 1);
-    }
-
-    {
-        boost::unordered_map<int, int> src;
-        boost::unordered_map<int, int> dst;
-        src.emplace(10, 30);
-        src.emplace(20, 5);
-        dst.emplace(10, 20);
-        dst.emplace(20, 2);
-
-        boost::unordered_map<int, int>::node_type nh = src.extract(10);
-        BOOST_TEST(dst.insert(dst.find(10), boost::move(nh)) == dst.find(10));
-        BOOST_TEST(nh);
-        BOOST_TEST(!nh.empty());
-        BOOST_TEST(nh.key() == 10);
-        BOOST_TEST(nh.mapped() == 30);
-        BOOST_TEST(dst[10] == 20);
-
-        BOOST_TEST(dst.insert(dst.find(20), boost::move(nh)) == dst.find(10));
-        BOOST_TEST(nh);
-        BOOST_TEST(!nh.empty());
-        BOOST_TEST(nh.key() == 10);
-        BOOST_TEST(nh.mapped() == 30);
-        BOOST_TEST(dst[10] == 20);
-
-        BOOST_TEST(src.count(10) == 0);
-        BOOST_TEST(src.count(20) == 1);
-        BOOST_TEST(dst.count(10) == 1);
-        BOOST_TEST(dst.count(20) == 1);
-    }
-}
-
-template <typename NodeHandle>
-bool node_handle_compare(NodeHandle const& nh,
-    BOOST_DEDUCED_TYPENAME NodeHandle::value_type const& x)
-{
-    return x == nh.value();
+    BOOST_TEST(src.count(10) == 0);
+    BOOST_TEST(src.count(20) == 1);
+    BOOST_TEST(dst.count(10) == 1);
+    BOOST_TEST(dst.count(20) == 1);
+  }
 }
 
 template <typename NodeHandle>
 bool node_handle_compare(
-    NodeHandle const& nh,
-    std::pair<BOOST_DEDUCED_TYPENAME NodeHandle::key_type const,
-        BOOST_DEDUCED_TYPENAME NodeHandle::mapped_type> const& x)
+  NodeHandle const& nh, typename NodeHandle::value_type const& x)
 {
-    return x.first == nh.key() && x.second == nh.mapped();
+  return x == nh.value();
+}
+
+template <typename NodeHandle>
+bool node_handle_compare(
+  NodeHandle const& nh, std::pair<typename NodeHandle::key_type const,
+                          typename NodeHandle::mapped_type> const& x)
+{
+  return x.first == nh.key() && x.second == nh.mapped();
 }
 
 template <typename Container> void node_handle_tests_impl(Container& c)
 {
-    typedef BOOST_DEDUCED_TYPENAME Container::node_type node_type;
+  typedef typename Container::node_type node_type;
 
-    BOOST_DEDUCED_TYPENAME Container::value_type value = *c.begin();
+  typename Container::value_type value = *c.begin();
 
-    node_type n1;
-    BOOST_TEST(!n1);
-    BOOST_TEST(n1.empty());
+  node_type n1;
+  BOOST_TEST(!n1);
+  BOOST_TEST(n1.empty());
 
-    node_type n2 = c.extract(c.begin());
-    BOOST_TEST(n2);
-    BOOST_TEST(!n2.empty());
-    node_handle_compare(n2, value);
+  node_type n2 = c.extract(c.begin());
+  BOOST_TEST(n2);
+  BOOST_TEST(!n2.empty());
+  node_handle_compare(n2, value);
 
-    node_type n3 = boost::move(n2);
-    BOOST_TEST(n3);
-    BOOST_TEST(!n2);
-    node_handle_compare(n3, value);
-    // TODO: Check that n2 doesn't have an allocator?
-    //       Maybe by swapping and observing that the allocator is
-    //       swapped rather than moved?
+  node_type n3 = boost::move(n2);
+  BOOST_TEST(n3);
+  BOOST_TEST(!n2);
+  node_handle_compare(n3, value);
+  // TODO: Check that n2 doesn't have an allocator?
+  //       Maybe by swapping and observing that the allocator is
+  //       swapped rather than moved?
 
-    n1 = boost::move(n3);
-    BOOST_TEST(n1);
-    BOOST_TEST(!n3);
-    node_handle_compare(n1, value);
+  n1 = boost::move(n3);
+  BOOST_TEST(n1);
+  BOOST_TEST(!n3);
+  node_handle_compare(n1, value);
 
-    // Self move-assignment empties the node_handle.
-    n1 = boost::move(n1);
-    BOOST_TEST(!n1);
+  // Self move-assignment empties the node_handle.
+  n1 = boost::move(n1);
+  BOOST_TEST(!n1);
 
-    n3 = boost::move(n3);
-    BOOST_TEST(!n3);
+  n3 = boost::move(n3);
+  BOOST_TEST(!n3);
 
-    BOOST_DEDUCED_TYPENAME Container::value_type value1 = *c.begin();
-    n1 = c.extract(c.begin());
-    BOOST_DEDUCED_TYPENAME Container::value_type value2 = *c.begin();
-    n2 = c.extract(c.begin());
-    n3 = node_type();
+  typename Container::value_type value1 = *c.begin();
+  n1 = c.extract(c.begin());
+  typename Container::value_type value2 = *c.begin();
+  n2 = c.extract(c.begin());
+  n3 = node_type();
 
-    node_handle_compare(n1, value1);
-    node_handle_compare(n2, value2);
-    n1.swap(n2);
-    BOOST_TEST(n1);
-    BOOST_TEST(n2);
-    node_handle_compare(n1, value2);
-    node_handle_compare(n2, value1);
+  node_handle_compare(n1, value1);
+  node_handle_compare(n2, value2);
+  n1.swap(n2);
+  BOOST_TEST(n1);
+  BOOST_TEST(n2);
+  node_handle_compare(n1, value2);
+  node_handle_compare(n2, value1);
 
-    BOOST_TEST(n1);
-    BOOST_TEST(!n3);
-    n1.swap(n3);
-    BOOST_TEST(!n1);
-    BOOST_TEST(n3);
-    node_handle_compare(n3, value2);
+  BOOST_TEST(n1);
+  BOOST_TEST(!n3);
+  n1.swap(n3);
+  BOOST_TEST(!n1);
+  BOOST_TEST(n3);
+  node_handle_compare(n3, value2);
 
-    BOOST_TEST(!n1);
-    BOOST_TEST(n2);
-    n1.swap(n2);
-    BOOST_TEST(n1);
-    BOOST_TEST(!n2);
-    node_handle_compare(n1, value1);
+  BOOST_TEST(!n1);
+  BOOST_TEST(n2);
+  n1.swap(n2);
+  BOOST_TEST(n1);
+  BOOST_TEST(!n2);
+  node_handle_compare(n1, value1);
 
-    node_type n4;
-    BOOST_TEST(!n2);
-    BOOST_TEST(!n4);
-    n2.swap(n4);
-    BOOST_TEST(!n2);
-    BOOST_TEST(!n4);
+  node_type n4;
+  BOOST_TEST(!n2);
+  BOOST_TEST(!n4);
+  n2.swap(n4);
+  BOOST_TEST(!n2);
+  BOOST_TEST(!n4);
 }
 
-UNORDERED_AUTO_TEST(node_handle_tests)
-{
-    boost::unordered_set<int> x1;
-    x1.emplace(100);
-    x1.emplace(140);
-    x1.emplace(-55);
-    node_handle_tests_impl(x1);
+UNORDERED_AUTO_TEST (node_handle_tests) {
+  boost::unordered_set<int> x1;
+  x1.emplace(100);
+  x1.emplace(140);
+  x1.emplace(-55);
+  node_handle_tests_impl(x1);
 
-    boost::unordered_map<int, std::string> x2;
-    x2.emplace(10, "ten");
-    x2.emplace(-23, "twenty");
-    x2.emplace(-76, "thirty");
-    node_handle_tests_impl(x2);
+  boost::unordered_map<int, std::string> x2;
+  x2.emplace(10, "ten");
+  x2.emplace(-23, "twenty");
+  x2.emplace(-76, "thirty");
+  node_handle_tests_impl(x2);
 }
 
 template <typename Container1, typename Container2>
 void insert_node_handle_unique(Container1& c1, Container2& c2)
 {
-    typedef BOOST_DEDUCED_TYPENAME Container1::node_type node_type;
-    typedef BOOST_DEDUCED_TYPENAME Container1::value_type value_type;
-    BOOST_STATIC_ASSERT(boost::is_same<node_type,
-        BOOST_DEDUCED_TYPENAME Container2::node_type>::value);
+  typedef typename Container1::node_type node_type;
+  typedef typename Container1::value_type value_type;
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<node_type, typename Container2::node_type>::value));
 
-    typedef BOOST_DEDUCED_TYPENAME Container1::insert_return_type
-        insert_return_type1;
-    typedef BOOST_DEDUCED_TYPENAME Container2::insert_return_type
-        insert_return_type2;
+  typedef typename Container1::insert_return_type insert_return_type1;
+  typedef typename Container2::insert_return_type insert_return_type2;
 
-    insert_return_type1 r1 = c1.insert(node_type());
-    insert_return_type2 r2 = c2.insert(node_type());
-    BOOST_TEST(!r1.inserted);
-    BOOST_TEST(!r1.node);
-    BOOST_TEST(r1.position == c1.end());
-    BOOST_TEST(!r2.inserted);
-    BOOST_TEST(!r2.node);
-    BOOST_TEST(r2.position == c2.end());
+  insert_return_type1 r1 = c1.insert(node_type());
+  insert_return_type2 r2 = c2.insert(node_type());
+  BOOST_TEST(!r1.inserted);
+  BOOST_TEST(!r1.node);
+  BOOST_TEST(r1.position == c1.end());
+  BOOST_TEST(!r2.inserted);
+  BOOST_TEST(!r2.node);
+  BOOST_TEST(r2.position == c2.end());
 
-    while (!c1.empty()) {
-        value_type v = *c1.begin();
-        value_type const* v_ptr = boost::addressof(*c1.begin());
-        std::size_t count = c2.count(test::get_key<Container1>(v));
-        insert_return_type2 r = c2.insert(c1.extract(c1.begin()));
-        if (!count) {
-            BOOST_TEST(r.inserted);
-            BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count + 1);
-            BOOST_TEST(r.position != c2.end());
-            BOOST_TEST(boost::addressof(*r.position) == v_ptr);
-            BOOST_TEST(!r.node);
-        } else {
-            BOOST_TEST(!r.inserted);
-            BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count);
-            BOOST_TEST(r.position != c2.end());
-            BOOST_TEST(test::get_key<Container2>(*r.position) ==
-                       test::get_key<Container2>(v));
-            BOOST_TEST(r.node);
-            node_handle_compare(r.node, v);
-        }
+  while (!c1.empty()) {
+    value_type v = *c1.begin();
+    value_type const* v_ptr = boost::to_address(c1.begin());
+    std::size_t count = c2.count(test::get_key<Container1>(v));
+    insert_return_type2 r = c2.insert(c1.extract(c1.begin()));
+    if (!count) {
+      BOOST_TEST(r.inserted);
+      BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count + 1);
+      BOOST_TEST(r.position != c2.end());
+      BOOST_TEST(boost::to_address(r.position) == v_ptr);
+      BOOST_TEST(!r.node);
+    } else {
+      BOOST_TEST(!r.inserted);
+      BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count);
+      BOOST_TEST(r.position != c2.end());
+      BOOST_TEST(
+        test::get_key<Container2>(*r.position) == test::get_key<Container2>(v));
+      BOOST_TEST(r.node);
+      node_handle_compare(r.node, v);
     }
+  }
 }
 
 template <typename Container1, typename Container2>
 void insert_node_handle_unique2(Container1& c1, Container2& c2)
 {
-    typedef BOOST_DEDUCED_TYPENAME Container1::node_type node_type;
-    typedef BOOST_DEDUCED_TYPENAME Container1::value_type value_type;
-    BOOST_STATIC_ASSERT(boost::is_same<node_type,
-        BOOST_DEDUCED_TYPENAME Container2::node_type>::value);
+  typedef typename Container1::node_type node_type;
+  typedef typename Container1::value_type value_type;
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<node_type, typename Container2::node_type>::value));
 
-    // typedef BOOST_DEDUCED_TYPENAME Container1::insert_return_type
-    // insert_return_type1;
-    typedef BOOST_DEDUCED_TYPENAME Container2::insert_return_type
-        insert_return_type2;
+  // typedef typename Container1::insert_return_type
+  // insert_return_type1;
+  typedef typename Container2::insert_return_type insert_return_type2;
 
-    while (!c1.empty()) {
-        value_type v = *c1.begin();
-        value_type const* v_ptr = boost::addressof(*c1.begin());
-        std::size_t count = c2.count(test::get_key<Container1>(v));
-        insert_return_type2 r =
-            c2.insert(c1.extract(test::get_key<Container1>(v)));
-        if (r.inserted) {
-            BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count + 1);
-            BOOST_TEST(r.position != c2.end());
-            BOOST_TEST(boost::addressof(*r.position) == v_ptr);
-            BOOST_TEST(!r.node);
-        } else {
-            BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count);
-            BOOST_TEST(r.position != c2.end());
-            BOOST_TEST(test::get_key<Container2>(*r.position) ==
-                       test::get_key<Container2>(v));
-            BOOST_TEST(r.node);
-            node_handle_compare(r.node, v);
-        }
+  while (!c1.empty()) {
+    value_type v = *c1.begin();
+    value_type const* v_ptr = boost::to_address(c1.begin());
+    std::size_t count = c2.count(test::get_key<Container1>(v));
+    insert_return_type2 r = c2.insert(c1.extract(test::get_key<Container1>(v)));
+    if (r.inserted) {
+      BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count + 1);
+      BOOST_TEST(r.position != c2.end());
+      BOOST_TEST(boost::to_address(r.position) == v_ptr);
+      BOOST_TEST(!r.node);
+    } else {
+      BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count);
+      BOOST_TEST(r.position != c2.end());
+      BOOST_TEST(
+        test::get_key<Container2>(*r.position) == test::get_key<Container2>(v));
+      BOOST_TEST(r.node);
+      node_handle_compare(r.node, v);
     }
+  }
 }
 
 template <typename Container1, typename Container2>
 void insert_node_handle_equiv(Container1& c1, Container2& c2)
 {
-    typedef BOOST_DEDUCED_TYPENAME Container1::node_type node_type;
-    typedef BOOST_DEDUCED_TYPENAME Container1::value_type value_type;
-    BOOST_STATIC_ASSERT(boost::is_same<node_type,
-        BOOST_DEDUCED_TYPENAME Container2::node_type>::value);
+  typedef typename Container1::node_type node_type;
+  typedef typename Container1::value_type value_type;
+  BOOST_STATIC_ASSERT(
+    (boost::is_same<node_type, typename Container2::node_type>::value));
 
-    typedef BOOST_DEDUCED_TYPENAME Container1::iterator iterator1;
-    typedef BOOST_DEDUCED_TYPENAME Container2::iterator iterator2;
+  typedef typename Container1::iterator iterator1;
+  typedef typename Container2::iterator iterator2;
 
-    iterator1 r1 = c1.insert(node_type());
-    iterator2 r2 = c2.insert(node_type());
-    BOOST_TEST(r1 == c1.end());
-    BOOST_TEST(r2 == c2.end());
+  iterator1 r1 = c1.insert(node_type());
+  iterator2 r2 = c2.insert(node_type());
+  BOOST_TEST(r1 == c1.end());
+  BOOST_TEST(r2 == c2.end());
 
-    while (!c1.empty()) {
-        value_type v = *c1.begin();
-        value_type const* v_ptr = boost::addressof(*c1.begin());
-        std::size_t count = c2.count(test::get_key<Container1>(v));
-        iterator2 r = c2.insert(c1.extract(c1.begin()));
-        BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count + 1);
-        BOOST_TEST(r != c2.end());
-        BOOST_TEST(boost::addressof(*r) == v_ptr);
-    }
+  while (!c1.empty()) {
+    value_type v = *c1.begin();
+    value_type const* v_ptr = boost::to_address(c1.begin());
+    std::size_t count = c2.count(test::get_key<Container1>(v));
+    iterator2 r = c2.insert(c1.extract(c1.begin()));
+    BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count + 1);
+    BOOST_TEST(r != c2.end());
+    BOOST_TEST(boost::to_address(r) == v_ptr);
+  }
 }
 
 struct hash_thing
 {
-    std::size_t operator()(int x) const
-    {
-        return static_cast<std::size_t>(x * 13 + 5);
-    }
+  std::size_t operator()(int x) const
+  {
+    return static_cast<std::size_t>(x * 13 + 5);
+  }
 };
 
-UNORDERED_AUTO_TEST(insert_node_handle_unique_tests)
-{
-    {
-        boost::unordered_set<int> x1;
-        boost::unordered_set<int> x2;
-        x1.emplace(100);
-        x1.emplace(140);
-        x1.emplace(-55);
-        x2.emplace(140);
-        insert_node_handle_unique(x1, x2);
-        BOOST_TEST(x2.size() == 3);
-    }
+UNORDERED_AUTO_TEST (insert_node_handle_unique_tests) {
+  {
+    boost::unordered_set<int> x1;
+    boost::unordered_set<int> x2;
+    x1.emplace(100);
+    x1.emplace(140);
+    x1.emplace(-55);
+    x2.emplace(140);
+    insert_node_handle_unique(x1, x2);
+    BOOST_TEST(x2.size() == 3);
+  }
 
-    {
-        boost::unordered_map<int, int, hash_thing> x1;
-        boost::unordered_map<int, int> x2;
-        x1.emplace(67, 50);
-        x1.emplace(23, 45);
-        x1.emplace(18, 19);
-        x2.emplace(23, 50);
-        x2.emplace(12, 49);
-        insert_node_handle_unique(x1, x2);
-        BOOST_TEST(x2.size() == 4);
-    }
+  {
+    boost::unordered_map<int, int, hash_thing> x1;
+    boost::unordered_map<int, int> x2;
+    x1.emplace(67, 50);
+    x1.emplace(23, 45);
+    x1.emplace(18, 19);
+    x2.emplace(23, 50);
+    x2.emplace(12, 49);
+    insert_node_handle_unique(x1, x2);
+    BOOST_TEST(x2.size() == 4);
+  }
 }
 
-UNORDERED_AUTO_TEST(insert_node_handle_equiv_tests)
-{
-    {
-        boost::unordered_multimap<int, int, hash_thing> x1;
-        boost::unordered_multimap<int, int> x2;
-        x1.emplace(67, 50);
-        x1.emplace(67, 100);
-        x1.emplace(23, 45);
-        x1.emplace(18, 19);
-        x2.emplace(23, 50);
-        x2.emplace(12, 49);
-        insert_node_handle_equiv(x1, x2);
-        BOOST_TEST(x2.size() == 6);
-    }
+UNORDERED_AUTO_TEST (insert_node_handle_equiv_tests) {
+  {
+    boost::unordered_multimap<int, int, hash_thing> x1;
+    boost::unordered_multimap<int, int> x2;
+    x1.emplace(67, 50);
+    x1.emplace(67, 100);
+    x1.emplace(23, 45);
+    x1.emplace(18, 19);
+    x2.emplace(23, 50);
+    x2.emplace(12, 49);
+    insert_node_handle_equiv(x1, x2);
+    BOOST_TEST(x2.size() == 6);
+  }
 }
 
-UNORDERED_AUTO_TEST(insert_node_handle_unique_tests2)
-{
-    {
-        boost::unordered_set<int> x1;
-        boost::unordered_set<int> x2;
-        x1.emplace(100);
-        x1.emplace(140);
-        x1.emplace(-55);
-        x2.emplace(140);
-        insert_node_handle_unique2(x1, x2);
-        BOOST_TEST(x2.size() == 3);
-    }
+UNORDERED_AUTO_TEST (insert_node_handle_unique_tests2) {
+  {
+    boost::unordered_set<int> x1;
+    boost::unordered_set<int> x2;
+    x1.emplace(100);
+    x1.emplace(140);
+    x1.emplace(-55);
+    x2.emplace(140);
+    insert_node_handle_unique2(x1, x2);
+    BOOST_TEST(x2.size() == 3);
+  }
 
-    {
-        boost::unordered_map<int, int, hash_thing> x1;
-        boost::unordered_map<int, int> x2;
-        x1.emplace(67, 50);
-        x1.emplace(23, 45);
-        x1.emplace(18, 19);
-        x2.emplace(23, 50);
-        x2.emplace(12, 49);
-        insert_node_handle_unique2(x1, x2);
-        BOOST_TEST(x2.size() == 4);
-    }
+  {
+    boost::unordered_map<int, int, hash_thing> x1;
+    boost::unordered_map<int, int> x2;
+    x1.emplace(67, 50);
+    x1.emplace(23, 45);
+    x1.emplace(18, 19);
+    x2.emplace(23, 50);
+    x2.emplace(12, 49);
+    insert_node_handle_unique2(x1, x2);
+    BOOST_TEST(x2.size() == 4);
+  }
 }
 
 RUN_TESTS()

test/unordered/noexcept_tests.cpp

@@ -12,159 +12,309 @@
 
 #include "../helpers/test.hpp"
 
+#if defined(BOOST_MSVC)
+#pragma warning(push)
+// conditional expression is constant
+#pragma warning(disable : 4127)
+#endif
+
 namespace noexcept_tests {
-// Test the noexcept is set correctly for the move constructor.
+  // Test the noexcept is set correctly for the move constructor.
 
-struct hash_possible_exception : boost::hash<int>
-{
+  struct hash_possible_exception : boost::hash<int>
+  {
     hash_possible_exception(hash_possible_exception const&) {}
-};
-
-struct equal_to_possible_exception : std::equal_to<int>
-{
-    equal_to_possible_exception(equal_to_possible_exception const&) {}
-};
-
-// Test that the move constructor does actually move without throwing
-// an exception when it claims to.
-
-struct test_exception
-{
-};
-
-bool throwing_test_exception = false;
-void test_throw(char const* name)
-{
-    if (throwing_test_exception) {
-        std::cerr << "Throw exception in: " << name << std::endl;
-        throw test_exception();
+    hash_possible_exception& operator=(hash_possible_exception const&)
+    {
+      return *this;
     }
-}
+  };
 
-class hash_nothrow_move : boost::hash<int>
-{
-    BOOST_COPYABLE_AND_MOVABLE(hash_nothrow_move)
+  struct equal_to_possible_exception : std::equal_to<int>
+  {
+    equal_to_possible_exception(equal_to_possible_exception const&) {}
+    equal_to_possible_exception& operator=(equal_to_possible_exception const&)
+    {
+      return *this;
+    }
+  };
+
+  // Test that the move constructor does actually move without throwing
+  // an exception when it claims to.
+
+  struct test_exception
+  {
+  };
+
+  bool throwing_test_exception = false;
+  void test_throw(char const* name)
+  {
+    if (throwing_test_exception) {
+      BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Throw exception in: " << name
+                                     << std::endl;
+      throw test_exception();
+    }
+  }
+
+  template <bool nothrow_move_construct, bool nothrow_move_assign,
+    bool nothrow_swap>
+  class hash_nothrow : boost::hash<int>
+  {
+    BOOST_COPYABLE_AND_MOVABLE(hash_nothrow)
 
     typedef boost::hash<int> base;
 
   public:
-    hash_nothrow_move(BOOST_RV_REF(hash_nothrow_move)) BOOST_NOEXCEPT {}
-
-    hash_nothrow_move() { test_throw("Constructor"); }
-    hash_nothrow_move(hash_nothrow_move const&) { test_throw("Copy"); }
-    hash_nothrow_move& operator=(BOOST_COPY_ASSIGN_REF(hash_nothrow_move))
+    hash_nothrow(BOOST_RV_REF(hash_nothrow))
+      BOOST_NOEXCEPT_IF(nothrow_move_construct)
     {
-        test_throw("Assign");
-        return *this;
+      if (!nothrow_move_construct) {
+        test_throw("Move Constructor");
+      }
     }
-    hash_nothrow_move& operator=(BOOST_RV_REF(hash_nothrow_move))
+
+    hash_nothrow() { test_throw("Constructor"); }
+    hash_nothrow(hash_nothrow const&) { test_throw("Copy"); }
+    hash_nothrow& operator=(BOOST_COPY_ASSIGN_REF(hash_nothrow))
     {
+      test_throw("Assign");
+      return *this;
+    }
+    hash_nothrow& operator=(BOOST_RV_REF(hash_nothrow))
+      BOOST_NOEXCEPT_IF(nothrow_move_assign)
+    {
+      if (!nothrow_move_assign) {
         test_throw("Move Assign");
-        return *this;
+      }
+      return *this;
     }
     std::size_t operator()(int x) const
     {
-        test_throw("Operator");
-        return static_cast<base const&>(*this)(x);
+      test_throw("Operator");
+      return static_cast<base const&>(*this)(x);
     }
-};
+    friend void swap(hash_nothrow&, hash_nothrow&)
+      BOOST_NOEXCEPT_IF(nothrow_swap)
+    {
+      if (!nothrow_swap) {
+        test_throw("Swap");
+      }
+    }
+  };
 
-class equal_to_nothrow_move : std::equal_to<int>
-{
-    BOOST_COPYABLE_AND_MOVABLE(equal_to_nothrow_move)
+  typedef hash_nothrow<true, false, false> hash_nothrow_move_construct;
+  typedef hash_nothrow<false, true, false> hash_nothrow_move_assign;
+  typedef hash_nothrow<false, false, true> hash_nothrow_swap;
 
-    typedef std::equal_to<int> base;
+  template <bool nothrow_move_construct, bool nothrow_move_assign,
+    bool nothrow_swap>
+  class equal_to_nothrow
+  {
+    BOOST_COPYABLE_AND_MOVABLE(equal_to_nothrow)
+
+    typedef boost::hash<int> base;
 
   public:
-    equal_to_nothrow_move(BOOST_RV_REF(equal_to_nothrow_move)) BOOST_NOEXCEPT {}
-    equal_to_nothrow_move() { test_throw("Constructor"); }
-    equal_to_nothrow_move(equal_to_nothrow_move const&) { test_throw("Copy"); }
-    equal_to_nothrow_move& operator=(
-        BOOST_COPY_ASSIGN_REF(equal_to_nothrow_move))
+    equal_to_nothrow(BOOST_RV_REF(equal_to_nothrow))
+      BOOST_NOEXCEPT_IF(nothrow_move_construct)
     {
-        test_throw("Assign");
-        return *this;
+      if (!nothrow_move_construct) {
+        test_throw("Move Constructor");
+      }
     }
-    equal_to_nothrow_move& operator=(BOOST_RV_REF(equal_to_nothrow_move))
+
+    equal_to_nothrow() { test_throw("Constructor"); }
+    equal_to_nothrow(equal_to_nothrow const&) { test_throw("Copy"); }
+    equal_to_nothrow& operator=(BOOST_COPY_ASSIGN_REF(equal_to_nothrow))
     {
+      test_throw("Assign");
+      return *this;
+    }
+    equal_to_nothrow& operator=(BOOST_RV_REF(equal_to_nothrow))
+      BOOST_NOEXCEPT_IF(nothrow_move_assign)
+    {
+      if (!nothrow_move_assign) {
         test_throw("Move Assign");
-        return *this;
+      }
+      return *this;
     }
     std::size_t operator()(int x, int y) const
     {
-        test_throw("Operator");
-        return static_cast<base const&>(*this)(x, y);
+      test_throw("Operator");
+      return x == y;
     }
-};
+    friend void swap(equal_to_nothrow&, equal_to_nothrow&)
+      BOOST_NOEXCEPT_IF(nothrow_swap)
+    {
+      if (!nothrow_swap) {
+        test_throw("Swap");
+      }
+    }
+  };
 
-bool have_is_nothrow_move = false;
+  typedef equal_to_nothrow<true, false, false> equal_to_nothrow_move_construct;
+  typedef equal_to_nothrow<false, true, false> equal_to_nothrow_move_assign;
+  typedef equal_to_nothrow<false, false, true> equal_to_nothrow_swap;
 
-UNORDERED_AUTO_TEST(check_is_nothrow_move)
-{
+  bool have_is_nothrow_move = false;
+  bool have_is_nothrow_move_assign = false;
+  bool have_is_nothrow_swap = false;
+
+  UNORDERED_AUTO_TEST (check_is_nothrow_move) {
     BOOST_TEST(
-        !boost::is_nothrow_move_constructible<hash_possible_exception>::value);
+      !boost::is_nothrow_move_constructible<hash_possible_exception>::value);
+    BOOST_TEST(
+      !boost::is_nothrow_move_assignable<hash_possible_exception>::value);
+    BOOST_TEST(!boost::is_nothrow_swappable<hash_possible_exception>::value);
+    BOOST_TEST((!boost::is_nothrow_move_constructible<
+                equal_to_nothrow<false, false, false> >::value));
+    BOOST_TEST((!boost::is_nothrow_move_assignable<
+                equal_to_nothrow<false, false, false> >::value));
+    BOOST_TEST((!boost::is_nothrow_swappable<
+                equal_to_nothrow<false, false, false> >::value));
+
     have_is_nothrow_move =
-        boost::is_nothrow_move_constructible<hash_nothrow_move>::value;
+      boost::is_nothrow_move_constructible<hash_nothrow_move_construct>::value;
+    have_is_nothrow_move_assign =
+      boost::is_nothrow_move_assignable<hash_nothrow_move_assign>::value;
+    have_is_nothrow_swap =
+      boost::is_nothrow_swappable<hash_nothrow_swap>::value;
 
-// Copied from boost::is_nothrow_move_constructible implementation
-// to make sure this does actually detect it when expected.
-//
-// The type trait is also available when BOOST_IS_NOTHROW_MOVE_CONSTRUCT
-// is defined (for some versions of Visual C++?) but detects 'throw()',
-// not noexcept.
+// Check that the traits work when expected.
 #if !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_SFINAE_EXPR) &&     \
-    !BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40800)
+  !BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40800)
     BOOST_TEST(have_is_nothrow_move);
+    BOOST_TEST(have_is_nothrow_move_assign);
 #endif
-}
 
-UNORDERED_AUTO_TEST(test_noexcept)
-{
+#if !defined(BOOST_NO_SFINAE_EXPR) && !defined(BOOST_NO_CXX11_NOEXCEPT) &&     \
+  !defined(BOOST_NO_CXX11_DECLTYPE) &&                                         \
+  !defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS)
+    BOOST_TEST(have_is_nothrow_swap);
+#endif
+
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM
+      << "have_is_nothrow_move: " << have_is_nothrow_move << std::endl
+      << "have_is_nothrow_swap: " << have_is_nothrow_swap << std::endl;
+  }
+
+  UNORDERED_AUTO_TEST (test_noexcept) {
     if (have_is_nothrow_move) {
-        BOOST_TEST((boost::is_nothrow_move_constructible<
-            boost::unordered_set<int> >::value));
-        BOOST_TEST((boost::is_nothrow_move_constructible<
-            boost::unordered_multiset<int> >::value));
-        BOOST_TEST((boost::is_nothrow_move_constructible<
-            boost::unordered_map<int, int> >::value));
-        BOOST_TEST((boost::is_nothrow_move_constructible<
-            boost::unordered_multimap<int, int> >::value));
+      BOOST_TEST((boost::is_nothrow_move_constructible<
+        boost::unordered_set<int> >::value));
+      BOOST_TEST((boost::is_nothrow_move_constructible<
+        boost::unordered_multiset<int> >::value));
+      BOOST_TEST((boost::is_nothrow_move_constructible<
+        boost::unordered_map<int, int> >::value));
+      BOOST_TEST((boost::is_nothrow_move_constructible<
+        boost::unordered_multimap<int, int> >::value));
     }
 
     BOOST_TEST((!boost::is_nothrow_move_constructible<
                 boost::unordered_set<int, hash_possible_exception> >::value));
     BOOST_TEST(
-        (!boost::is_nothrow_move_constructible<boost::unordered_multiset<int,
-                boost::hash<int>, equal_to_possible_exception> >::value));
-}
+      (!boost::is_nothrow_move_constructible<boost::unordered_multiset<int,
+          boost::hash<int>, equal_to_possible_exception> >::value));
+  }
 
-UNORDERED_AUTO_TEST(test_no_throw_when_noexcept)
-{
-    typedef boost::unordered_set<int, hash_nothrow_move, equal_to_nothrow_move>
-        throwing_set;
+  UNORDERED_AUTO_TEST (test_nothrow_move_when_noexcept) {
+    typedef boost::unordered_set<int, hash_nothrow_move_construct,
+      equal_to_nothrow_move_construct>
+      throwing_set;
 
     if (have_is_nothrow_move) {
-        BOOST_TEST(boost::is_nothrow_move_constructible<throwing_set>::value);
-
-        throwing_test_exception = false;
-
-        throwing_set x1;
-        x1.insert(10);
-        x1.insert(50);
-
-        try {
-            throwing_test_exception = true;
-
-            throwing_set x2 = boost::move(x1);
-            BOOST_TEST(x2.size() == 2);
-            BOOST_TEST(*x2.begin() == 10 || *x2.begin() == 50);
-        } catch (test_exception) {
-            BOOST_TEST(false);
-        }
-
-        throwing_test_exception = false;
+      BOOST_TEST(boost::is_nothrow_move_constructible<throwing_set>::value);
     }
+
+    throwing_test_exception = false;
+
+    throwing_set x1;
+    x1.insert(10);
+    x1.insert(50);
+
+    try {
+      throwing_test_exception = true;
+
+      throwing_set x2 = boost::move(x1);
+      BOOST_TEST(x2.size() == 2);
+      BOOST_TEST(*x2.begin() == 10 || *x2.begin() == 50);
+      BOOST_TEST(have_is_nothrow_move);
+    } catch (test_exception) {
+      BOOST_TEST(!have_is_nothrow_move);
+    }
+
+    throwing_test_exception = false;
+  }
+
+  UNORDERED_AUTO_TEST (test_nothrow_move_assign_when_noexcept) {
+    typedef boost::unordered_set<int, hash_nothrow_move_assign,
+      equal_to_nothrow_move_assign>
+      throwing_set;
+
+    if (have_is_nothrow_move_assign) {
+      BOOST_TEST(boost::is_nothrow_move_assignable<throwing_set>::value);
+    }
+
+    throwing_test_exception = false;
+
+    throwing_set x1;
+    throwing_set x2;
+    x1.insert(10);
+    x1.insert(50);
+    for (int i = 0; i < 100; ++i) {
+      x2.insert(i);
+    }
+
+    try {
+      throwing_test_exception = true;
+
+      x2 = boost::move(x1);
+      BOOST_TEST(x2.size() == 2);
+      BOOST_TEST(*x2.begin() == 10 || *x2.begin() == 50);
+      BOOST_TEST(have_is_nothrow_move_assign);
+    } catch (test_exception) {
+      BOOST_TEST(!have_is_nothrow_move_assign);
+    }
+
+    throwing_test_exception = false;
+  }
+
+  UNORDERED_AUTO_TEST (test_nothrow_swap_when_noexcept) {
+    typedef boost::unordered_set<int, hash_nothrow_swap, equal_to_nothrow_swap>
+      throwing_set;
+
+    if (have_is_nothrow_swap) {
+      BOOST_TEST(boost::is_nothrow_swappable<throwing_set>::value);
+    }
+
+    throwing_test_exception = false;
+
+    throwing_set x1;
+    throwing_set x2;
+    x1.insert(10);
+    x1.insert(50);
+    for (int i = 0; i < 100; ++i) {
+      x2.insert(i);
+    }
+
+    try {
+      throwing_test_exception = true;
+
+      x1.swap(x2);
+      BOOST_TEST(x1.size() == 100);
+      BOOST_TEST(x2.size() == 2);
+      BOOST_TEST(*x2.begin() == 10 || *x2.begin() == 50);
+      BOOST_TEST(have_is_nothrow_swap);
+    } catch (test_exception) {
+      BOOST_TEST(!have_is_nothrow_swap);
+    }
+
+    throwing_test_exception = false;
+  }
 }
-}
+
+#if defined(BOOST_MSVC)
+#pragma warning(pop)
+#endif
 
 RUN_TESTS()

test/unordered/rehash_tests.cpp

@@ -18,18 +18,17 @@
 
 namespace rehash_tests {
 
-test::seed_t initialize_seed(2974);
+  test::seed_t initialize_seed(2974);
 
-template <class X>
-bool postcondition(X const& x, BOOST_DEDUCED_TYPENAME X::size_type n)
-{
+  template <class X> bool postcondition(X const& x, typename X::size_type n)
+  {
     return static_cast<double>(x.bucket_count()) >=
-               static_cast<double>(x.size()) / x.max_load_factor() &&
+             static_cast<double>(x.size()) / x.max_load_factor() &&
            x.bucket_count() >= n;
-}
+  }
 
-template <class X> void rehash_empty_test1(X*)
-{
+  template <class X> void rehash_empty_test1(X*)
+  {
     X x;
 
     x.rehash(10000);
@@ -40,10 +39,11 @@ template <class X> void rehash_empty_test1(X*)
 
     x.rehash(10000000);
     BOOST_TEST(postcondition(x, 10000000));
-}
+  }
 
-template <class X> void rehash_empty_test2(X*, test::random_generator generator)
-{
+  template <class X>
+  void rehash_empty_test2(X*, test::random_generator generator)
+  {
     test::random_values<X> v(1000, generator);
     test::ordered<X> tracker;
 
@@ -61,10 +61,11 @@ template <class X> void rehash_empty_test2(X*, test::random_generator generator)
     x.rehash(10000000);
     tracker.compare(x);
     BOOST_TEST(postcondition(x, 10000000));
-}
+  }
 
-template <class X> void rehash_empty_test3(X*, test::random_generator generator)
-{
+  template <class X>
+  void rehash_empty_test3(X*, test::random_generator generator)
+  {
     test::random_values<X> v(1000, generator);
     test::ordered<X> tracker;
 
@@ -78,10 +79,10 @@ template <class X> void rehash_empty_test3(X*, test::random_generator generator)
     tracker.compare(x);
 
     BOOST_TEST(postcondition(x, 0));
-}
+  }
 
-template <class X> void rehash_test1(X*, test::random_generator generator)
-{
+  template <class X> void rehash_test1(X*, test::random_generator generator)
+  {
     test::random_values<X> v(1000, generator);
     test::ordered<X> tracker;
     tracker.insert_range(v.begin(), v.end());
@@ -104,10 +105,10 @@ template <class X> void rehash_test1(X*, test::random_generator generator)
     x.rehash(1000);
     BOOST_TEST(postcondition(x, 1000));
     tracker.compare(x);
-}
+  }
 
-template <class X> void reserve_empty_test1(X*)
-{
+  template <class X> void reserve_empty_test1(X*)
+  {
     X x;
 
     x.reserve(10000);
@@ -117,10 +118,10 @@ template <class X> void reserve_empty_test1(X*)
 
     x.reserve(10000000);
     BOOST_TEST(x.bucket_count() >= 10000000);
-}
+  }
 
-template <class X> void reserve_empty_test2(X*)
-{
+  template <class X> void reserve_empty_test2(X*)
+  {
     X x;
     x.max_load_factor(0.25);
 
@@ -131,100 +132,98 @@ template <class X> void reserve_empty_test2(X*)
 
     x.reserve(10000000);
     BOOST_TEST(x.bucket_count() >= 40000000);
-}
+  }
 
-template <class X> void reserve_test1(X*, test::random_generator generator)
-{
+  template <class X> void reserve_test1(X*, test::random_generator generator)
+  {
     for (int random_mlf = 0; random_mlf < 2; ++random_mlf) {
-        for (std::size_t i = 1; i < 2000; i += i < 50 ? 1 : 13) {
-            test::random_values<X> v(i, generator);
+      for (std::size_t i = 1; i < 2000; i += i < 50 ? 1 : 13) {
+        test::random_values<X> v(i, generator);
 
-            test::ordered<X> tracker;
-            tracker.insert_range(v.begin(), v.end());
+        test::ordered<X> tracker;
+        tracker.insert_range(v.begin(), v.end());
 
-            X x;
-            x.max_load_factor(
-                random_mlf
-                    ? static_cast<float>(std::rand() % 1000) / 500.0f + 0.5f
-                    : 1.0f);
-            x.reserve(test::has_unique_keys<X>::value ? i : v.size());
+        X x;
+        x.max_load_factor(
+          random_mlf ? static_cast<float>(std::rand() % 1000) / 500.0f + 0.5f
+                     : 1.0f);
+        x.reserve(test::has_unique_keys<X>::value ? i : v.size());
 
-            // Insert an element before the range insert, otherwise there are
-            // no iterators to invalidate in the range insert, and it can
-            // rehash.
-            typename test::random_values<X>::iterator it = v.begin();
-            x.insert(*it);
-            ++it;
+        // Insert an element before the range insert, otherwise there are
+        // no iterators to invalidate in the range insert, and it can
+        // rehash.
+        typename test::random_values<X>::iterator it = v.begin();
+        x.insert(*it);
+        ++it;
 
-            std::size_t bucket_count = x.bucket_count();
-            x.insert(it, v.end());
-            BOOST_TEST(bucket_count == x.bucket_count());
-            tracker.compare(x);
-        }
+        std::size_t bucket_count = x.bucket_count();
+        x.insert(it, v.end());
+        BOOST_TEST(bucket_count == x.bucket_count());
+        tracker.compare(x);
+      }
     }
-}
+  }
 
-template <class X> void reserve_test2(X*, test::random_generator generator)
-{
+  template <class X> void reserve_test2(X*, test::random_generator generator)
+  {
     for (int random_mlf = 0; random_mlf < 2; ++random_mlf) {
-        for (std::size_t i = 0; i < 2000; i += i < 50 ? 1 : 13) {
-            test::random_values<X> v(i, generator);
+      for (std::size_t i = 0; i < 2000; i += i < 50 ? 1 : 13) {
+        test::random_values<X> v(i, generator);
 
-            test::ordered<X> tracker;
-            tracker.insert_range(v.begin(), v.end());
+        test::ordered<X> tracker;
+        tracker.insert_range(v.begin(), v.end());
 
-            X x;
-            x.max_load_factor(
-                random_mlf
-                    ? static_cast<float>(std::rand() % 1000) / 500.0f + 0.5f
-                    : 1.0f);
+        X x;
+        x.max_load_factor(
+          random_mlf ? static_cast<float>(std::rand() % 1000) / 500.0f + 0.5f
+                     : 1.0f);
 
-            x.reserve(test::has_unique_keys<X>::value ? i : v.size());
+        x.reserve(test::has_unique_keys<X>::value ? i : v.size());
 
-            std::size_t bucket_count = x.bucket_count();
-            for (typename test::random_values<X>::iterator it = v.begin();
-                 it != v.end(); ++it) {
-                x.insert(*it);
-            }
-
-            BOOST_TEST(bucket_count == x.bucket_count());
-            tracker.compare(x);
+        std::size_t bucket_count = x.bucket_count();
+        for (typename test::random_values<X>::iterator it = v.begin();
+             it != v.end(); ++it) {
+          x.insert(*it);
         }
-    }
-}
 
-boost::unordered_set<int>* int_set_ptr;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+        BOOST_TEST(bucket_count == x.bucket_count());
+        tracker.compare(x);
+      }
+    }
+  }
+
+  boost::unordered_set<int>* int_set_ptr;
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::allocator2<test::object> >* test_multiset_ptr;
-boost::unordered_map<test::movable, test::movable, test::hash, test::equal_to,
+  boost::unordered_map<test::movable, test::movable, test::hash, test::equal_to,
     test::allocator2<test::movable> >* test_map_ptr;
-boost::unordered_multimap<int, int>* int_multimap_ptr;
+  boost::unordered_multimap<int, int>* int_multimap_ptr;
 
-using test::default_generator;
-using test::generate_collisions;
-using test::limited_range;
+  using test::default_generator;
+  using test::generate_collisions;
+  using test::limited_range;
 
-UNORDERED_TEST(rehash_empty_test1,
+  UNORDERED_TEST(rehash_empty_test1,
     ((int_set_ptr)(test_multiset_ptr)(test_map_ptr)(int_multimap_ptr)))
-UNORDERED_TEST(rehash_empty_test2,
+  UNORDERED_TEST(rehash_empty_test2,
     ((int_set_ptr)(test_multiset_ptr)(test_map_ptr)(int_multimap_ptr))(
-                   (default_generator)(generate_collisions)(limited_range)))
-UNORDERED_TEST(rehash_empty_test3,
+      (default_generator)(generate_collisions)(limited_range)))
+  UNORDERED_TEST(rehash_empty_test3,
     ((int_set_ptr)(test_multiset_ptr)(test_map_ptr)(int_multimap_ptr))(
-                   (default_generator)(generate_collisions)(limited_range)))
-UNORDERED_TEST(rehash_test1,
+      (default_generator)(generate_collisions)(limited_range)))
+  UNORDERED_TEST(rehash_test1,
     ((int_set_ptr)(test_multiset_ptr)(test_map_ptr)(int_multimap_ptr))(
-                   (default_generator)(generate_collisions)(limited_range)))
-UNORDERED_TEST(reserve_empty_test1,
+      (default_generator)(generate_collisions)(limited_range)))
+  UNORDERED_TEST(reserve_empty_test1,
     ((int_set_ptr)(test_multiset_ptr)(test_map_ptr)(int_multimap_ptr)))
-UNORDERED_TEST(reserve_empty_test2,
+  UNORDERED_TEST(reserve_empty_test2,
     ((int_set_ptr)(test_multiset_ptr)(test_map_ptr)(int_multimap_ptr)))
-UNORDERED_TEST(reserve_test1,
+  UNORDERED_TEST(reserve_test1,
     ((int_set_ptr)(test_multiset_ptr)(test_map_ptr)(int_multimap_ptr))(
-                   (default_generator)(generate_collisions)(limited_range)))
-UNORDERED_TEST(reserve_test2,
+      (default_generator)(generate_collisions)(limited_range)))
+  UNORDERED_TEST(reserve_test2,
     ((int_set_ptr)(test_multiset_ptr)(test_map_ptr)(int_multimap_ptr))(
-                   (default_generator)(generate_collisions)(limited_range)))
+      (default_generator)(generate_collisions)(limited_range)))
 }
 
 RUN_TESTS()

test/unordered/simple_tests.cpp

@@ -19,117 +19,116 @@
 
 template <class X> void simple_test(X const& a)
 {
-    test::unordered_equivalence_tester<X> equivalent(a);
+  test::unordered_equivalence_tester<X> equivalent(a);
 
-    {
-        X u;
-        BOOST_TEST(u.size() == 0);
-        BOOST_TEST(X().size() == 0);
-    }
+  {
+    X u;
+    BOOST_TEST(u.size() == 0);
+    BOOST_TEST(X().size() == 0);
+  }
 
-    {
-        BOOST_TEST(equivalent(X(a)));
-    }
+  {
+    BOOST_TEST(equivalent(X(a)));
+  }
 
-    {
-        X u(a);
-        BOOST_TEST(equivalent(u));
-    }
+  {
+    X u(a);
+    BOOST_TEST(equivalent(u));
+  }
 
-    {
-        X u = a;
-        BOOST_TEST(equivalent(u));
-    }
+  {
+    X u = a;
+    BOOST_TEST(equivalent(u));
+  }
 
-    {
-        X b(a);
-        BOOST_TEST(b.begin() == const_cast<X const&>(b).cbegin());
-        BOOST_TEST(b.end() == const_cast<X const&>(b).cend());
-    }
+  {
+    X b(a);
+    BOOST_TEST(b.begin() == const_cast<X const&>(b).cbegin());
+    BOOST_TEST(b.end() == const_cast<X const&>(b).cend());
+  }
 
-    {
-        X b(a);
-        X c;
-        BOOST_TEST(equivalent(b));
-        BOOST_TEST(c.empty());
-        b.swap(c);
-        BOOST_TEST(b.empty());
-        BOOST_TEST(equivalent(c));
-        b.swap(c);
-        BOOST_TEST(c.empty());
-        BOOST_TEST(equivalent(b));
-    }
+  {
+    X b(a);
+    X c;
+    BOOST_TEST(equivalent(b));
+    BOOST_TEST(c.empty());
+    b.swap(c);
+    BOOST_TEST(b.empty());
+    BOOST_TEST(equivalent(c));
+    b.swap(c);
+    BOOST_TEST(c.empty());
+    BOOST_TEST(equivalent(b));
+  }
 
-    {
-        X u;
-        X& r = u;
-        BOOST_TEST(&(r = r) == &r);
+  {
+    X u;
+    X& r = u;
+    BOOST_TEST(&(r = r) == &r);
 
-        BOOST_TEST(r.empty());
-        BOOST_TEST(&(r = a) == &r);
-        BOOST_TEST(equivalent(r));
-        BOOST_TEST(&(r = r) == &r);
-        BOOST_TEST(equivalent(r));
-    }
+    BOOST_TEST(r.empty());
+    BOOST_TEST(&(r = a) == &r);
+    BOOST_TEST(equivalent(r));
+    BOOST_TEST(&(r = r) == &r);
+    BOOST_TEST(equivalent(r));
+  }
 
-    {
-        BOOST_TEST(a.size() == static_cast<BOOST_DEDUCED_TYPENAME X::size_type>(
-                                   std::distance(a.begin(), a.end())));
-    }
+  {
+    BOOST_TEST(a.size() == static_cast<typename X::size_type>(
+                             std::distance(a.begin(), a.end())));
+  }
 
-    {
-        BOOST_TEST(a.empty() == (a.size() == 0));
-    }
+  {
+    BOOST_TEST(a.empty() == (a.size() == 0));
+  }
 
-    {
-        BOOST_TEST(a.empty() == (a.begin() == a.end()));
-        X u;
-        BOOST_TEST(u.begin() == u.end());
-    }
+  {
+    BOOST_TEST(a.empty() == (a.begin() == a.end()));
+    X u;
+    BOOST_TEST(u.begin() == u.end());
+  }
 }
 
-UNORDERED_AUTO_TEST(simple_tests)
-{
-    using namespace std;
-    srand(14878);
+UNORDERED_AUTO_TEST (simple_tests) {
+  using namespace std;
+  srand(14878);
 
-    std::cout << "Test unordered_set.\n";
-    boost::unordered_set<int> set;
-    simple_test(set);
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_set.\n";
+  boost::unordered_set<int> set;
+  simple_test(set);
 
-    set.insert(1);
-    set.insert(2);
-    set.insert(1456);
-    simple_test(set);
+  set.insert(1);
+  set.insert(2);
+  set.insert(1456);
+  simple_test(set);
 
-    std::cout << "Test unordered_multiset.\n";
-    boost::unordered_multiset<int> multiset;
-    simple_test(multiset);
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_multiset.\n";
+  boost::unordered_multiset<int> multiset;
+  simple_test(multiset);
 
-    for (int i1 = 0; i1 < 1000; ++i1) {
-        int count = rand() % 10, index = rand();
-        for (int j = 0; j < count; ++j)
-            multiset.insert(index);
-    }
-    simple_test(multiset);
+  for (int i1 = 0; i1 < 1000; ++i1) {
+    int count = rand() % 10, index = rand();
+    for (int j = 0; j < count; ++j)
+      multiset.insert(index);
+  }
+  simple_test(multiset);
 
-    std::cout << "Test unordered_map.\n";
-    boost::unordered_map<int, int> map;
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_map.\n";
+  boost::unordered_map<int, int> map;
 
-    for (int i2 = 0; i2 < 1000; ++i2) {
-        map.insert(std::pair<const int, int>(rand(), rand()));
-    }
-    simple_test(map);
+  for (int i2 = 0; i2 < 1000; ++i2) {
+    map.insert(std::pair<const int, int>(rand(), rand()));
+  }
+  simple_test(map);
 
-    std::cout << "Test unordered_multimap.\n";
-    boost::unordered_multimap<int, int> multimap;
+  BOOST_LIGHTWEIGHT_TEST_OSTREAM << "Test unordered_multimap.\n";
+  boost::unordered_multimap<int, int> multimap;
 
-    for (int i3 = 0; i3 < 1000; ++i3) {
-        int count = rand() % 10, index = rand();
-        for (int j = 0; j < count; ++j)
-            multimap.insert(std::pair<const int, int>(index, rand()));
-    }
-    simple_test(multimap);
+  for (int i3 = 0; i3 < 1000; ++i3) {
+    int count = rand() % 10, index = rand();
+    for (int j = 0; j < count; ++j)
+      multimap.insert(std::pair<const int, int>(index, rand()));
+  }
+  simple_test(multimap);
 }
 
 RUN_TESTS()

test/unordered/swap_tests.cpp

@@ -26,10 +26,10 @@
 
 namespace swap_tests {
 
-test::seed_t initialize_seed(783472);
+  test::seed_t initialize_seed(783472);
 
-template <class X> void swap_test_impl(X& x1, X& x2)
-{
+  template <class X> void swap_test_impl(X& x1, X& x2)
+  {
     test::ordered<X> tracker1 = test::create_ordered(x1);
     test::ordered<X> tracker2 = test::create_ordered(x2);
     tracker1.insert_range(x1.begin(), x1.end());
@@ -37,180 +37,175 @@ template <class X> void swap_test_impl(X& x1, X& x2)
     x1.swap(x2);
     tracker1.compare(x2);
     tracker2.compare(x1);
-}
+  }
 
-template <class X> void swap_tests1(X*, test::random_generator generator)
-{
+  template <class X> void swap_tests1(X*, test::random_generator generator)
+  {
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        X x;
-        swap_test_impl(x, x);
+      X x;
+      swap_test_impl(x, x);
     }
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        X x, y;
-        swap_test_impl(x, y);
+      X x, y;
+      swap_test_impl(x, y);
     }
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<X> v(1000, generator);
-        X x, y(v.begin(), v.end());
-        swap_test_impl(x, y);
-        swap_test_impl(x, y);
+      test::random_values<X> v(1000, generator);
+      X x, y(v.begin(), v.end());
+      swap_test_impl(x, y);
+      swap_test_impl(x, y);
     }
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<X> vx(1000, generator), vy(1000, generator);
-        X x(vx.begin(), vx.end()), y(vy.begin(), vy.end());
-        swap_test_impl(x, y);
-        swap_test_impl(x, y);
+      test::random_values<X> vx(1000, generator), vy(1000, generator);
+      X x(vx.begin(), vx.end()), y(vy.begin(), vy.end());
+      swap_test_impl(x, y);
+      swap_test_impl(x, y);
     }
-}
+  }
 
-template <class X> void swap_tests2(X* ptr, test::random_generator generator)
-{
+  template <class X> void swap_tests2(X* ptr, test::random_generator generator)
+  {
     swap_tests1(ptr, generator);
 
-    typedef BOOST_DEDUCED_TYPENAME X::hasher hasher;
-    typedef BOOST_DEDUCED_TYPENAME X::key_equal key_equal;
-    typedef BOOST_DEDUCED_TYPENAME X::allocator_type allocator_type;
+    typedef typename X::hasher hasher;
+    typedef typename X::key_equal key_equal;
+    typedef typename X::allocator_type allocator_type;
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        X x(0, hasher(1), key_equal(1));
-        X y(0, hasher(2), key_equal(2));
-        swap_test_impl(x, y);
+      X x(0, hasher(1), key_equal(1));
+      X y(0, hasher(2), key_equal(2));
+      swap_test_impl(x, y);
     }
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<X> v(1000, generator);
-        X x(v.begin(), v.end(), 0, hasher(1), key_equal(1));
-        X y(0, hasher(2), key_equal(2));
-        swap_test_impl(x, y);
+      test::random_values<X> v(1000, generator);
+      X x(v.begin(), v.end(), 0, hasher(1), key_equal(1));
+      X y(0, hasher(2), key_equal(2));
+      swap_test_impl(x, y);
     }
 
     {
-        test::check_instances check_;
+      test::check_instances check_;
 
-        test::random_values<X> vx(100, generator), vy(50, generator);
-        X x(vx.begin(), vx.end(), 0, hasher(1), key_equal(1));
-        X y(vy.begin(), vy.end(), 0, hasher(2), key_equal(2));
+      test::random_values<X> vx(100, generator), vy(50, generator);
+      X x(vx.begin(), vx.end(), 0, hasher(1), key_equal(1));
+      X y(vy.begin(), vy.end(), 0, hasher(2), key_equal(2));
+      swap_test_impl(x, y);
+      swap_test_impl(x, y);
+    }
+
+    {
+      test::force_equal_allocator force_(!allocator_type::is_propagate_on_swap);
+      test::check_instances check_;
+
+      test::random_values<X> vx(50, generator), vy(100, generator);
+      X x(vx.begin(), vx.end(), 0, hasher(), key_equal(), allocator_type(1));
+      X y(vy.begin(), vy.end(), 0, hasher(), key_equal(), allocator_type(2));
+
+      if (allocator_type::is_propagate_on_swap ||
+          x.get_allocator() == y.get_allocator()) {
+        swap_test_impl(x, y);
+      }
+    }
+
+    {
+      test::force_equal_allocator force_(!allocator_type::is_propagate_on_swap);
+      test::check_instances check_;
+
+      test::random_values<X> vx(100, generator), vy(100, generator);
+      X x(vx.begin(), vx.end(), 0, hasher(1), key_equal(1), allocator_type(1));
+      X y(vy.begin(), vy.end(), 0, hasher(2), key_equal(2), allocator_type(2));
+
+      if (allocator_type::is_propagate_on_swap ||
+          x.get_allocator() == y.get_allocator()) {
         swap_test_impl(x, y);
         swap_test_impl(x, y);
+      }
     }
+  }
 
-    {
-        test::force_equal_allocator force_(
-            !allocator_type::is_propagate_on_swap);
-        test::check_instances check_;
-
-        test::random_values<X> vx(50, generator), vy(100, generator);
-        X x(vx.begin(), vx.end(), 0, hasher(), key_equal(), allocator_type(1));
-        X y(vy.begin(), vy.end(), 0, hasher(), key_equal(), allocator_type(2));
-
-        if (allocator_type::is_propagate_on_swap ||
-            x.get_allocator() == y.get_allocator()) {
-            swap_test_impl(x, y);
-        }
-    }
-
-    {
-        test::force_equal_allocator force_(
-            !allocator_type::is_propagate_on_swap);
-        test::check_instances check_;
-
-        test::random_values<X> vx(100, generator), vy(100, generator);
-        X x(vx.begin(), vx.end(), 0, hasher(1), key_equal(1),
-            allocator_type(1));
-        X y(vy.begin(), vy.end(), 0, hasher(2), key_equal(2),
-            allocator_type(2));
-
-        if (allocator_type::is_propagate_on_swap ||
-            x.get_allocator() == y.get_allocator()) {
-            swap_test_impl(x, y);
-            swap_test_impl(x, y);
-        }
-    }
-}
-
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     std::allocator<test::object> >* test_map_std_alloc;
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_set;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::allocator2<test::object> >* test_multiset;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::allocator1<test::object> >* test_map;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, test::allocator2<test::object> >* test_multimap;
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::propagate_swap> >*
     test_set_prop_swap;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::propagate_swap> >*
     test_multiset_prop_swap;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::propagate_swap> >*
     test_map_prop_swap;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to, test::cxx11_allocator<test::object, test::propagate_swap> >*
     test_multimap_prop_swap;
 
-boost::unordered_set<test::object, test::hash, test::equal_to,
+  boost::unordered_set<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::no_propagate_swap> >*
     test_set_no_prop_swap;
-boost::unordered_multiset<test::object, test::hash, test::equal_to,
+  boost::unordered_multiset<test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::no_propagate_swap> >*
     test_multiset_no_prop_swap;
-boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
+  boost::unordered_map<test::object, test::object, test::hash, test::equal_to,
     test::cxx11_allocator<test::object, test::no_propagate_swap> >*
     test_map_no_prop_swap;
-boost::unordered_multimap<test::object, test::object, test::hash,
+  boost::unordered_multimap<test::object, test::object, test::hash,
     test::equal_to,
     test::cxx11_allocator<test::object, test::no_propagate_swap> >*
     test_multimap_no_prop_swap;
 
-template <typename T> bool is_propagate(T*)
-{
+  template <typename T> bool is_propagate(T*)
+  {
     return T::allocator_type::is_propagate_on_swap;
-}
+  }
 
-using test::default_generator;
-using test::generate_collisions;
-using test::limited_range;
+  using test::default_generator;
+  using test::generate_collisions;
+  using test::limited_range;
 
-UNORDERED_AUTO_TEST(check_traits)
-{
+  UNORDERED_AUTO_TEST (check_traits) {
     BOOST_TEST(!is_propagate(test_set));
     BOOST_TEST(is_propagate(test_set_prop_swap));
     BOOST_TEST(!is_propagate(test_set_no_prop_swap));
-}
+  }
 
-UNORDERED_TEST(swap_tests1,
-    ((test_map_std_alloc)(test_set)(test_multiset)(test_map)(test_multimap)(
-        test_set_prop_swap)(test_multiset_prop_swap)(test_map_prop_swap)(
-        test_multimap_prop_swap)(test_set_no_prop_swap)(
-        test_multiset_no_prop_swap)(test_map_no_prop_swap)(
-        test_multimap_no_prop_swap))(
+  UNORDERED_TEST(
+    swap_tests1, ((test_map_std_alloc)(test_set)(test_multiset)(test_map)(
+                   test_multimap)(test_set_prop_swap)(test_multiset_prop_swap)(
+                   test_map_prop_swap)(test_multimap_prop_swap)(
+                   test_set_no_prop_swap)(test_multiset_no_prop_swap)(
+                   test_map_no_prop_swap)(test_multimap_no_prop_swap))(
                    (default_generator)(generate_collisions)(limited_range)))
 
-UNORDERED_TEST(swap_tests2,
+  UNORDERED_TEST(swap_tests2,
     ((test_set)(test_multiset)(test_map)(test_multimap)(test_set_prop_swap)(
-        test_multiset_prop_swap)(test_map_prop_swap)(test_multimap_prop_swap)(
-        test_set_no_prop_swap)(test_multiset_no_prop_swap)(
-        test_map_no_prop_swap)(test_multimap_no_prop_swap))(
-                   (default_generator)(generate_collisions)(limited_range)))
+      test_multiset_prop_swap)(test_map_prop_swap)(test_multimap_prop_swap)(
+      test_set_no_prop_swap)(test_multiset_no_prop_swap)(test_map_no_prop_swap)(
+      test_multimap_no_prop_swap))(
+      (default_generator)(generate_collisions)(limited_range)))
 }
 RUN_TESTS()

test/unordered/unnecessary_copy_tests.cpp

@@ -10,12 +10,11 @@
 #include "../helpers/postfix.hpp"
 // clang-format on
 
-#include <iostream>
 #include "../helpers/test.hpp"
 
 namespace unnecessary_copy_tests {
-struct count_copies
-{
+  struct count_copies
+  {
   private:
     BOOST_COPYABLE_AND_MOVABLE(count_copies)
   public:
@@ -25,14 +24,14 @@ struct count_copies
 
     count_copies() : tag_(0), id_(++id_count)
     {
-        ++copies;
-        trace_op("Default construct");
+      ++copies;
+      trace_op("Default construct");
     }
 
     explicit count_copies(int tag) : tag_(tag), id_(++id_count)
     {
-        ++copies;
-        trace_op("Tag construct");
+      ++copies;
+      trace_op("Tag construct");
     }
 
     // This bizarre constructor is an attempt to confuse emplace.
@@ -47,66 +46,66 @@ struct count_copies
     count_copies(count_copies const&, count_copies const& x)
         : tag_(x.tag_), id_(++id_count)
     {
-        ++copies;
-        trace_op("Pair construct");
+      ++copies;
+      trace_op("Pair construct");
     }
 
     count_copies(count_copies const& x) : tag_(x.tag_), id_(++id_count)
     {
-        ++copies;
-        trace_op("Copy construct");
+      ++copies;
+      trace_op("Copy construct");
     }
 
     count_copies(BOOST_RV_REF(count_copies) x) : tag_(x.tag_), id_(++id_count)
     {
-        x.tag_ = -1;
-        ++moves;
-        trace_op("Move construct");
+      x.tag_ = -1;
+      ++moves;
+      trace_op("Move construct");
     }
 
     count_copies& operator=(
-        BOOST_COPY_ASSIGN_REF(count_copies) p) // Copy assignment
+      BOOST_COPY_ASSIGN_REF(count_copies) p) // Copy assignment
     {
-        tag_ = p.tag_;
-        ++copies;
-        trace_op("Copy assign");
-        return *this;
+      tag_ = p.tag_;
+      ++copies;
+      trace_op("Copy assign");
+      return *this;
     }
 
     count_copies& operator=(BOOST_RV_REF(count_copies) p) // Move assignment
     {
-        tag_ = p.tag_;
-        ++moves;
-        trace_op("Move assign");
-        return *this;
+      tag_ = p.tag_;
+      ++moves;
+      trace_op("Move assign");
+      return *this;
     }
 
     ~count_copies() { trace_op("Destruct"); }
 
     void trace_op(char const* str)
     {
-        BOOST_LIGHTWEIGHT_TEST_OSTREAM << str << ": " << tag_ << " (#" << id_
-                                       << ")" << std::endl;
+      BOOST_LIGHTWEIGHT_TEST_OSTREAM << str << ": " << tag_ << " (#" << id_
+                                     << ")" << std::endl;
     }
 
     int tag_;
     int id_;
-};
+  };
 
-bool operator==(count_copies const& x, count_copies const& y)
-{
+  bool operator==(count_copies const& x, count_copies const& y)
+  {
     return x.tag_ == y.tag_;
-}
+  }
 
-template <class T> T source() { return T(); }
+  template <class T> T source() { return T(); }
 
-void reset()
-{
+  void reset()
+  {
     count_copies::copies = 0;
     count_copies::moves = 0;
 
     BOOST_LIGHTWEIGHT_TEST_OSTREAM << "\nReset\n" << std::endl;
-}
+  }
 }
 
 #if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
@@ -115,10 +114,10 @@ namespace boost
 namespace unnecessary_copy_tests
 #endif
 {
-std::size_t hash_value(unnecessary_copy_tests::count_copies const& x)
-{
+  std::size_t hash_value(unnecessary_copy_tests::count_copies const& x)
+  {
     return static_cast<std::size_t>(x.tag_);
-}
+  }
 }
 
 // Boost.Move doesn't seem to work very well on this compiler.
@@ -136,107 +135,159 @@ std::size_t hash_value(unnecessary_copy_tests::count_copies const& x)
 #endif
 
 #define COPY_COUNT(n)                                                          \
-    if (::unnecessary_copy_tests::count_copies::copies != n) {                 \
-        BOOST_ERROR("Wrong number of copies.");                                \
-        std::cerr << "Number of copies: "                                      \
-                  << ::unnecessary_copy_tests::count_copies::copies            \
-                  << " expecting: " << n << std::endl;                         \
-    }
+  if (::unnecessary_copy_tests::count_copies::copies != n) {                   \
+    BOOST_ERROR("Wrong number of copies.");                                    \
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM                                             \
+      << "Number of copies: "                                                  \
+      << ::unnecessary_copy_tests::count_copies::copies << " expecting: " << n \
+      << std::endl;                                                            \
+  }
 #define MOVE_COUNT(n)                                                          \
-    if (::unnecessary_copy_tests::count_copies::moves != n) {                  \
-        BOOST_ERROR("Wrong number of moves.");                                 \
-        std::cerr << "Number of moves: "                                       \
-                  << ::unnecessary_copy_tests::count_copies::moves             \
-                  << " expecting: " << n << std::endl;                         \
-    }
+  if (::unnecessary_copy_tests::count_copies::moves != n) {                    \
+    BOOST_ERROR("Wrong number of moves.");                                     \
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM                                             \
+      << "Number of moves: " << ::unnecessary_copy_tests::count_copies::moves  \
+      << " expecting: " << n << std::endl;                                     \
+  }
 #define COPY_COUNT_RANGE(a, b)                                                 \
-    if (::unnecessary_copy_tests::count_copies::copies < a ||                  \
-        ::unnecessary_copy_tests::count_copies::copies > b) {                  \
-        BOOST_ERROR("Wrong number of copies.");                                \
-        std::cerr << "Number of copies: "                                      \
-                  << ::unnecessary_copy_tests::count_copies::copies            \
-                  << " expecting: [" << a << ", " << b << "]" << std::endl;    \
-    }
+  if (::unnecessary_copy_tests::count_copies::copies < a ||                    \
+      ::unnecessary_copy_tests::count_copies::copies > b) {                    \
+    BOOST_ERROR("Wrong number of copies.");                                    \
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM                                             \
+      << "Number of copies: "                                                  \
+      << ::unnecessary_copy_tests::count_copies::copies << " expecting: ["     \
+      << a << ", " << b << "]" << std::endl;                                   \
+  }
 #define MOVE_COUNT_RANGE(a, b)                                                 \
-    if (::unnecessary_copy_tests::count_copies::moves < a ||                   \
-        ::unnecessary_copy_tests::count_copies::moves > b) {                   \
-        BOOST_ERROR("Wrong number of moves.");                                 \
-        std::cerr << "Number of moves: "                                       \
-                  << ::unnecessary_copy_tests::count_copies::moves             \
-                  << " expecting: [" << a << ", " << b << "]" << std::endl;    \
-    }
+  if (::unnecessary_copy_tests::count_copies::moves < a ||                     \
+      ::unnecessary_copy_tests::count_copies::moves > b) {                     \
+    BOOST_ERROR("Wrong number of moves.");                                     \
+    BOOST_LIGHTWEIGHT_TEST_OSTREAM                                             \
+      << "Number of moves: " << ::unnecessary_copy_tests::count_copies::moves  \
+      << " expecting: [" << a << ", " << b << "]" << std::endl;                \
+  }
 #define COPY_COUNT_EXTRA(a, b) COPY_COUNT_RANGE(a, a + b * EXTRA_CONSTRUCT_COST)
 #define MOVE_COUNT_EXTRA(a, b) MOVE_COUNT_RANGE(a, a + b * EXTRA_CONSTRUCT_COST)
 
 namespace unnecessary_copy_tests {
-int count_copies::copies;
-int count_copies::moves;
-int count_copies::id_count;
+  int count_copies::copies;
+  int count_copies::moves;
+  int count_copies::id_count;
 
-template <class T> void unnecessary_copy_insert_test(T*)
-{
+  template <class T> void unnecessary_copy_insert_test(T*)
+  {
     T x;
-    BOOST_DEDUCED_TYPENAME T::value_type a;
+    typename T::value_type a;
     reset();
     x.insert(a);
     COPY_COUNT(1);
-}
+    MOVE_COUNT(0);
+  }
 
-boost::unordered_set<count_copies>* set;
-boost::unordered_multiset<count_copies>* multiset;
-boost::unordered_map<int, count_copies>* map;
-boost::unordered_multimap<int, count_copies>* multimap;
+  template <class T> void unnecessary_copy_insert_rvalue_set_test(T*)
+  {
+    T x;
+    typename T::value_type a;
+    reset();
+    x.insert(boost::move(a));
+    COPY_COUNT(0);
+    MOVE_COUNT(1);
 
-UNORDERED_TEST(unnecessary_copy_insert_test, ((set)(multiset)(map)(multimap)))
+    typename T::value_type a2;
+    reset();
+    x.insert(boost::move(a));
+    COPY_COUNT(0);
+    MOVE_COUNT((x.size() == 2 ? 1 : 0));
+  }
 
-template <class T> void unnecessary_copy_emplace_test(T*)
-{
+  template <class T> void unnecessary_copy_insert_rvalue_map_test(T*)
+  {
+    // Doesn't currently try to emulate std::pair move construction,
+    // so std::pair's require a copy. Could try emulating it in
+    // construct_from_args.
+
+    T x;
+    typename T::value_type a;
+    reset();
+    x.insert(boost::move(a));
+#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+    COPY_COUNT(1);
+    MOVE_COUNT(0);
+#else
+    COPY_COUNT(0);
+    MOVE_COUNT(1);
+#endif
+
+    typename T::value_type a2;
+    reset();
+    x.insert(boost::move(a));
+#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+    COPY_COUNT((x.size() == 2 ? 1 : 0));
+    MOVE_COUNT(0);
+#else
+    COPY_COUNT(0);
+    MOVE_COUNT((x.size() == 2 ? 1 : 0));
+#endif
+  }
+
+  boost::unordered_set<count_copies>* set;
+  boost::unordered_multiset<count_copies>* multiset;
+  boost::unordered_map<int, count_copies>* map;
+  boost::unordered_multimap<int, count_copies>* multimap;
+
+  UNORDERED_TEST(unnecessary_copy_insert_test, ((set)(multiset)(map)(multimap)))
+  UNORDERED_TEST(unnecessary_copy_insert_rvalue_set_test, ((set)(multiset)))
+  UNORDERED_TEST(unnecessary_copy_insert_rvalue_map_test, ((map)(multimap)))
+
+  template <class T> void unnecessary_copy_emplace_test(T*)
+  {
     reset();
     T x;
-    BOOST_DEDUCED_TYPENAME T::value_type a;
+    typename T::value_type a;
     COPY_COUNT(1);
     x.emplace(a);
     COPY_COUNT(2);
-}
+  }
 
-template <class T> void unnecessary_copy_emplace_rvalue_test(T*)
-{
+  template <class T> void unnecessary_copy_emplace_rvalue_test(T*)
+  {
     reset();
     T x;
-    x.emplace(source<BOOST_DEDUCED_TYPENAME T::value_type>());
+    x.emplace(source<typename T::value_type>());
 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
     COPY_COUNT(1);
 #else
     COPY_COUNT(2);
 #endif
-}
+  }
 
-UNORDERED_TEST(unnecessary_copy_emplace_test, ((set)(multiset)(map)(multimap)))
-UNORDERED_TEST(
+  UNORDERED_TEST(
+    unnecessary_copy_emplace_test, ((set)(multiset)(map)(multimap)))
+  UNORDERED_TEST(
     unnecessary_copy_emplace_rvalue_test, ((set)(multiset)(map)(multimap)))
 
 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
-template <class T> void unnecessary_copy_emplace_std_move_test(T*)
-{
+  template <class T> void unnecessary_copy_emplace_std_move_test(T*)
+  {
     reset();
     T x;
-    BOOST_DEDUCED_TYPENAME T::value_type a;
+    typename T::value_type a;
     COPY_COUNT(1);
     MOVE_COUNT(0);
     x.emplace(std::move(a));
     COPY_COUNT(1);
     MOVE_COUNT(1);
-}
+  }
 
-UNORDERED_TEST(
+  UNORDERED_TEST(
     unnecessary_copy_emplace_std_move_test, ((set)(multiset)(map)(multimap)))
 #endif
 
-template <class T> void unnecessary_copy_emplace_boost_move_test(T*)
-{
+  template <class T> void unnecessary_copy_emplace_boost_move_test(T*)
+  {
     reset();
     T x;
-    BOOST_DEDUCED_TYPENAME T::value_type a;
+    typename T::value_type a;
     COPY_COUNT(1);
     MOVE_COUNT_EXTRA(0, 1);
     x.emplace(boost::move(a));
@@ -248,32 +299,33 @@ template <class T> void unnecessary_copy_emplace_boost_move_test(T*)
     COPY_COUNT_RANGE(1, 2);
     MOVE_COUNT_RANGE(0, 1);
 #endif
-}
+  }
 
-UNORDERED_TEST(
+  UNORDERED_TEST(
     unnecessary_copy_emplace_boost_move_test, ((set)(multiset)(map)(multimap)))
 
-template <class T> void unnecessary_copy_emplace_boost_move_set_test(T*)
-{
+  template <class T> void unnecessary_copy_emplace_boost_move_set_test(T*)
+  {
     reset();
     T x;
-    BOOST_DEDUCED_TYPENAME T::value_type a;
+    typename T::value_type a;
     COPY_COUNT(1);
     MOVE_COUNT(0);
     x.emplace(boost::move(a));
     COPY_COUNT(1);
     MOVE_COUNT(1);
-}
+  }
 
-UNORDERED_TEST(unnecessary_copy_emplace_boost_move_set_test, ((set)(multiset)))
+  UNORDERED_TEST(
+    unnecessary_copy_emplace_boost_move_set_test, ((set)(multiset)))
 
-template <class T> void unnecessary_copy_emplace_boost_move_map_test(T*)
-{
+  template <class T> void unnecessary_copy_emplace_boost_move_map_test(T*)
+  {
     reset();
     T x;
     COPY_COUNT(0);
     MOVE_COUNT(0);
-    BOOST_DEDUCED_TYPENAME T::value_type a;
+    typename T::value_type a;
     COPY_COUNT(1);
     MOVE_COUNT_EXTRA(0, 1);
     x.emplace(boost::move(a));
@@ -284,12 +336,12 @@ template <class T> void unnecessary_copy_emplace_boost_move_map_test(T*)
     COPY_COUNT(1);
     MOVE_COUNT(1);
 #endif
-}
+  }
 
-UNORDERED_TEST(unnecessary_copy_emplace_boost_move_map_test, ((map)(multimap)))
+  UNORDERED_TEST(
+    unnecessary_copy_emplace_boost_move_map_test, ((map)(multimap)))
 
-UNORDERED_AUTO_TEST(unnecessary_copy_emplace_set_test)
-{
+  UNORDERED_AUTO_TEST (unnecessary_copy_emplace_set_test) {
     // When calling 'source' the object is moved on some compilers, but not
     // others. So count that here to adjust later.
 
@@ -310,20 +362,15 @@ UNORDERED_AUTO_TEST(unnecessary_copy_emplace_set_test)
 // 0 arguments
 //
 
-#if !BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x5100))
+#if !BOOST_UNORDERED_SUN_WORKAROUNDS1
     // The container will have to create a copy in order to compare with
     // the existing element.
     reset();
     x.emplace();
-#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) ||                             \
-    !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+
     // source_cost doesn't make much sense here, but it seems to fit.
     COPY_COUNT(1);
     MOVE_COUNT(source_cost);
-#else
-    COPY_COUNT(1);
-    MOVE_COUNT(1 + source_cost);
-#endif
 #endif
 
     //
@@ -347,13 +394,8 @@ UNORDERED_AUTO_TEST(unnecessary_copy_emplace_set_test)
     // No move should take place.
     reset();
     x.emplace(boost::move(a));
-#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
     COPY_COUNT(0);
     MOVE_COUNT(0);
-#else
-    COPY_COUNT(0);
-    MOVE_COUNT(1);
-#endif
 
     // Use a new value for cases where a did get moved...
     count_copies b;
@@ -380,10 +422,9 @@ UNORDERED_AUTO_TEST(unnecessary_copy_emplace_set_test)
     x.emplace(b, b);
     COPY_COUNT(1);
     MOVE_COUNT(0);
-}
+  }
 
-UNORDERED_AUTO_TEST(unnecessary_copy_emplace_map_test)
-{
+  UNORDERED_AUTO_TEST (unnecessary_copy_emplace_map_test) {
     // When calling 'source' the object is moved on some compilers, but not
     // others. So count that here to adjust later.
 
@@ -409,7 +450,7 @@ UNORDERED_AUTO_TEST(unnecessary_copy_emplace_map_test)
 // 0 arguments
 //
 
-#if !BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x5100))
+#if !BOOST_UNORDERED_SUN_WORKAROUNDS1
     // COPY_COUNT(1) would be okay here.
     reset();
     x.emplace();
@@ -429,7 +470,7 @@ UNORDERED_AUTO_TEST(unnecessary_copy_emplace_map_test)
 
     reset();
     x.emplace(boost::unordered::piecewise_construct, boost::make_tuple(),
-        boost::make_tuple());
+      boost::make_tuple());
     COPY_COUNT(2);
     MOVE_COUNT(0);
 
@@ -450,7 +491,7 @@ UNORDERED_AUTO_TEST(unnecessary_copy_emplace_map_test)
     MOVE_COUNT(source_pair_cost);
 
 #if !(defined(__GNUC__) && __cplusplus < 199900L) &&                           \
-    !(defined(_MSC_VER) && _MSC_VER < 1600)
+  !(defined(_MSC_VER) && _MSC_VER < 1600)
     count_copies part;
     reset();
     std::pair<count_copies const&, count_copies const&> a_ref(part, part);
@@ -496,17 +537,16 @@ UNORDERED_AUTO_TEST(unnecessary_copy_emplace_map_test)
 
     reset();
     x.emplace(boost::unordered::piecewise_construct,
-        boost::make_tuple(boost::ref(b.first)),
-        boost::make_tuple(boost::ref(b.second)));
+      boost::make_tuple(boost::ref(b.first)),
+      boost::make_tuple(boost::ref(b.second)));
     COPY_COUNT(0);
     MOVE_COUNT(0);
 
-#if !defined(BOOST_NO_CXX11_HDR_TUPLE) || defined(BOOST_HAS_TR1_TUPLE)
+#if BOOST_UNORDERED_TUPLE_ARGS
 
     reset();
     x.emplace(boost::unordered::piecewise_construct,
-        std::make_tuple(std::ref(b.first)),
-        std::make_tuple(std::ref(b.second)));
+      std::make_tuple(std::ref(b.first)), std::make_tuple(std::ref(b.second)));
     COPY_COUNT(0);
     MOVE_COUNT(0);
 
@@ -520,23 +560,23 @@ UNORDERED_AUTO_TEST(unnecessary_copy_emplace_map_test)
     std::pair<count_copies const, count_copies> move_source;
     reset();
     x.emplace(boost::unordered::piecewise_construct,
-        std::make_tuple(std::move(move_source.first)),
-        std::make_tuple(std::move(move_source.second)));
+      std::make_tuple(std::move(move_source.first)),
+      std::make_tuple(std::move(move_source.second)));
     COPY_COUNT(tuple_copy_cost);
     MOVE_COUNT(tuple_move_cost);
 
 #if !defined(BOOST_NO_CXX11_HDR_TUPLE) &&                                      \
-    !(defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ < 6) &&             \
-    !(defined(BOOST_MSVC) && BOOST_MSVC < 1700)
+  !(defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ < 6) &&               \
+  !(defined(BOOST_MSVC) && BOOST_MSVC < 1700)
     reset();
     x.emplace(boost::unordered::piecewise_construct,
-        std::forward_as_tuple(b.first), std::forward_as_tuple(b.second));
+      std::forward_as_tuple(b.first), std::forward_as_tuple(b.second));
     COPY_COUNT(0);
     MOVE_COUNT(0);
 #endif
 
 #endif
-}
+  }
 }
 
 RUN_TESTS()