Rework as esp-idf component

GitHub Actions config

.github/workflows/ci.yml

@@ -0,0 +1,171 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+      - develop
+      - feature/**
+
+env:
+  UBSAN_OPTIONS: print_stacktrace=1
+
+jobs:
+  posix:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - toolset: gcc-7
+            cxxstd: "03,11,14,17"
+            os: ubuntu-18.04
+          - toolset: gcc-9
+            cxxstd: "03,11,14,17,2a"
+            os: ubuntu-18.04
+          - toolset: gcc-10
+            cxxstd: "03,11,14,17,2a"
+            os: ubuntu-18.04
+            cxxflags: "cxxflags=--coverage -fsanitize=address,leak,undefined -fno-sanitize-recover=undefined"
+            linkflags: "linkflags=--coverage -lasan -lubsan"
+            gcov_tool: "gcov-10"
+          - toolset: clang
+            compiler: clang++-10
+            cxxstd: "03,11,14,17,2a"
+            os: ubuntu-20.04
+            cxxflags: "cxxflags=-fsanitize=address,undefined,integer -fno-sanitize-recover=undefined"
+            linkflags: "linkflags=-fsanitize=address,undefined,integer"
+          - toolset: clang
+            cxxstd: "03,11,14,17,2a"
+            os: macos-10.15
+            cxxflags: "cxxflags=-fsanitize=address,undefined -fno-sanitize-recover=undefined"
+            linkflags: "linkflags=-fsanitize=address,undefined"
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install packages
+        if: matrix.install
+        run: sudo apt install ${{matrix.install}}
+
+      - name: Setup Boost
+        run: |
+          echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
+          LIBRARY=${GITHUB_REPOSITORY#*/}
+          echo LIBRARY: $LIBRARY
+          echo "LIBRARY=$LIBRARY" >> $GITHUB_ENV
+          echo GITHUB_BASE_REF: $GITHUB_BASE_REF
+          echo GITHUB_REF: $GITHUB_REF
+          REF=${GITHUB_BASE_REF:-$GITHUB_REF}
+          REF=${REF#refs/heads/}
+          echo REF: $REF
+          BOOST_BRANCH=develop && [ "$REF" == "master" ] && BOOST_BRANCH=master || true
+          echo BOOST_BRANCH: $BOOST_BRANCH
+          cd ..
+          git clone -b $BOOST_BRANCH --depth 10 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          git submodule update --init --depth 10 --jobs 2 tools/boostdep tools/inspect libs/filesystem
+          python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 3" filesystem
+          rm -rf libs/$LIBRARY/*
+          cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
+          python tools/boostdep/depinst/depinst.py --include benchmark --include example --include examples --include tools --git_args "--depth 10 --jobs 3" $LIBRARY
+          ./bootstrap.sh
+          ./b2 -d0 headers
+          ./b2 -j4 variant=debug tools/inspect/build
+
+      - name: Run tests
+        run: |
+          cd ../boost-root
+          ./b2 -j3 libs/$LIBRARY/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} variant=debug,release "${{matrix.cxxflags}}" "${{matrix.linkflags}}" "${{matrix.launcher}}"
+          dist/bin/inspect libs/$LIBRARY
+
+      - name: Prepare coverage data
+        if: matrix.gcov_tool
+        run: |
+          mkdir -p $GITHUB_WORKSPACE/coveralls
+
+          echo -e "#!/bin/bash\nexec ${{matrix.gcov_tool}} \"\$@\"" > $GITHUB_WORKSPACE/coveralls/gcov_wrapper.sh
+          chmod +x $GITHUB_WORKSPACE/coveralls/gcov_wrapper.sh
+          wget https://github.com/linux-test-project/lcov/archive/v1.15.zip
+          unzip v1.15.zip
+          LCOV="`pwd`/lcov-1.15/bin/lcov --gcov-tool $GITHUB_WORKSPACE/coveralls/gcov_wrapper.sh"
+
+          echo "$LCOV --directory ../boost-root/bin.v2/libs/$LIBRARY/ --base-directory `pwd`/libs/$LIBRARY/test --capture --output-file $GITHUB_WORKSPACE/coveralls/coverage.info"
+          $LCOV --directory ../boost-root/bin.v2/libs/$LIBRARY/ --base-directory ../boost-root/ --capture --output-file $GITHUB_WORKSPACE/coveralls/coverage.info
+          $LCOV --remove $GITHUB_WORKSPACE/coveralls/coverage.info "/usr*" "*/$LIBRARY/test/*" ${{matrix.ignore_coverage}} "*/$LIBRARY/tests/*" "*/$LIBRARY/examples/*" "*/$LIBRARY/example/*" -o $GITHUB_WORKSPACE/coveralls/coverage.info
+
+          cd ../boost-root
+          OTHER_LIBS=`grep "submodule .*" .gitmodules | sed 's/\[submodule\ "\(.*\)"\]/"\*\/boost\/\1\.hpp" "\*\/boost\/\1\/\*"/g'| sed "/\"\*\/boost\/$LIBRARY\/\*\"/d" | sed ':a;N;$!ba;s/\n/ /g'`
+          echo $OTHER_LIBS
+          eval "$LCOV --remove $GITHUB_WORKSPACE/coveralls/coverage.info $OTHER_LIBS -o $GITHUB_WORKSPACE/coveralls/coverage.info"
+
+      - name: Coveralls
+        uses: coverallsapp/github-action@master
+        if: matrix.gcov_tool
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          path-to-lcov: ./coveralls/coverage.info
+          parallel: true
+
+  windows:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - toolset: msvc-14.1
+            cxxstd: "14,17,latest"
+            addrmd: 32,64
+            os: windows-2016
+          - toolset: msvc-14.2
+            cxxstd: "14,17,latest"
+            addrmd: 32,64
+            os: windows-2019
+          - toolset: gcc
+            cxxstd: "03,11,14,17,2a"
+            addrmd: 64
+            os: windows-2019
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Setup Boost
+        shell: cmd
+        run: |
+          echo GITHUB_REPOSITORY: %GITHUB_REPOSITORY%
+          for /f %%i in ("%GITHUB_REPOSITORY%") do set LIBRARY=%%~nxi
+          echo LIBRARY: %LIBRARY%
+          echo LIBRARY=%LIBRARY%>>%GITHUB_ENV%
+          echo GITHUB_BASE_REF: %GITHUB_BASE_REF%
+          echo GITHUB_REF: %GITHUB_REF%
+          if "%GITHUB_BASE_REF%" == "" set GITHUB_BASE_REF=%GITHUB_REF%
+          set BOOST_BRANCH=develop
+          for /f %%i in ("%GITHUB_BASE_REF%") do if "%%~nxi" == "master" set BOOST_BRANCH=master
+          echo BOOST_BRANCH: %BOOST_BRANCH%
+          cd ..
+          git clone -b %BOOST_BRANCH% --depth 10 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --include benchmark --include example --include examples --include tools --git_args "--jobs 3" %LIBRARY%
+          cmd /c bootstrap
+          b2 -d0 headers
+
+      - name: Run tests
+        shell: cmd
+        run: |
+          cd ../boost-root
+          b2 -j3 libs/%LIBRARY%/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} address-model=${{matrix.addrmd}} variant=debug,release
+
+  finish:
+    needs: posix
+    runs-on: ubuntu-latest
+    steps:
+    - name: Coveralls Finished
+      uses: coverallsapp/github-action@master
+      with:
+        github-token: ${{ secrets.github_token }}
+        parallel-finished: true

CMakeLists.txt

@@ -0,0 +1,45 @@
+# Copyright 2019 Mike Dev
+# Distributed under the Boost Software License, Version 1.0.
+# See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
+
+if(NOT DEFINED IDF_TARGET)
+
+cmake_minimum_required( VERSION 3.5...3.20 )
+project( boost_conversion VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX )
+
+add_library( boost_conversion INTERFACE )
+add_library( Boost::conversion ALIAS boost_conversion )
+
+target_include_directories( boost_conversion INTERFACE include )
+
+target_link_libraries( boost_conversion
+    INTERFACE
+        Boost::assert
+        Boost::config
+        Boost::core
+        Boost::smart_ptr
+        Boost::throw_exception
+        Boost::type_traits
+        Boost::typeof
+)
+
+else()
+
+FILE(GLOB_RECURSE headers include/*.h include/*.hpp)
+
+idf_component_register(
+    SRCS
+        ${headers}
+    INCLUDE_DIRS
+        include
+    REQUIRES
+        boost_assert
+        boost_config
+        boost_core
+        boost_smart_ptr
+        boost_throw_exception
+        boost_type_traits
+        boost_typeof
+)
+
+endif()

README.md

@@ -0,0 +1,15 @@
+# [Boost.Conversion](https://boost.org/libs/conversion)
+Boost.Conversion is one of the [Boost C++ Libraries](https://github.com/boostorg). This library improves program safety and clarity by performing otherwise messy conversions. 
+
+### Test results
+
+@               | Build         | Tests coverage | More info
+----------------|-------------- | -------------- |-----------
+Develop branch: | [![CI](https://github.com/boostorg/conversion/actions/workflows/ci.yml/badge.svg?branch=develop)](https://github.com/boostorg/conversion/actions/workflows/ci.yml) [![Build status](https://ci.appveyor.com/api/projects/status/1cky1hrunfa46bdx/branch/develop?svg=true)](https://ci.appveyor.com/project/apolukhin/conversion/branch/develop) | [![Coverage Status](https://coveralls.io/repos/github/boostorg/conversion/badge.svg?branch=develop)](https://coveralls.io/github/boostorg/conversion?branch=develop) | [details...](https://www.boost.org/development/tests/develop/developer/conversion.html)
+Master branch:  | [![CI](https://github.com/boostorg/conversion/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/boostorg/conversion/actions/workflows/ci.yml) [![Build status](https://ci.appveyor.com/api/projects/status/1cky1hrunfa46bdx/branch/master?svg=true)](https://ci.appveyor.com/project/apolukhin/conversion/branch/master) | [![Coverage Status](https://coveralls.io/repos/github/boostorg/conversion/badge.svg?branch=master)](https://coveralls.io/github/boostorg/conversion?branch=master) | [details...](https://www.boost.org/development/tests/master/developer/conversion.html)
+
+[Latest developer documentation](https://www.boost.org/doc/libs/develop/doc/html/conversion.html)
+
+### License
+
+Distributed under the [Boost Software License, Version 1.0](https://boost.org/LICENSE_1_0.txt).

cast.htm

@@ -1,140 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
-
-<html>
-  <head>
-    <meta name="generator" content=
-    "Microsoft FrontPage 5.0">
-    <meta http-equiv="Content-Type" content=
-    "text/html; charset=windows-1252">
-    <meta name="GENERATOR" content="Microsoft FrontPage 4.0">
-    <meta name="ProgId" content="FrontPage.Editor.Document">
-
-    <title>Header boost/cast.hpp Documentation</title>
-  </head>
-
-  <body bgcolor="#FFFFFF" text="#000000">
-    <h1><img src="../../boost.png" alt="boost.png (6897 bytes)" align=
-    "middle" width="277" height="86">Header <a href=
-    "../../boost/cast.hpp">boost/cast.hpp</a></h1>
-
-    <h2><a name="Cast Functions">Cast Functions</a></h2>
-
-    <p>The header <a href="../../boost/cast.hpp">boost/cast.hpp</a> provides <code>
-    <a href="#Polymorphic_cast">polymorphic_cast</a> and</code> <a href=
-    "#Polymorphic_cast"><code>polymorphic_downcast</code></a> function templates designed to
-    complement the C++ built-in casts.</p>
-
-    <p>The program <a href="cast_test.cpp">cast_test.cpp</a> can be used to
-    verify these function templates work as expected.</p>
-
-    <h3><a name="Polymorphic_cast">Polymorphic casts</a></h3>
-
-    <p>Pointers to polymorphic objects (objects of classes which define at
-    least one virtual function) are sometimes downcast or crosscast.
-    Downcasting means casting from a base class to a derived class.
-    Crosscasting means casting across an inheritance hierarchy diagram, such
-    as from one base to the other in a <code>Y</code> diagram hierarchy.</p>
-
-    <p>Such casts can be done with old-style casts, but this approach is
-    never to be recommended. Old-style casts are sorely lacking in type
-    safety, suffer poor readability, and are difficult to locate with search
-    tools.</p>
-
-    <p>The C++ built-in <code>static_cast</code> can be used for efficiently
-    downcasting pointers to polymorphic objects, but provides no error
-    detection for the case where the pointer being cast actually points to
-    the wrong derived class. The <code>polymorphic_downcast</code> template retains
-    the efficiency of <code>static_cast</code> for non-debug compilations, but for
-    debug compilations adds safety via an assert() that a <code>dynamic_cast</code>
-    succeeds.</p>
-
-    <p>The C++ built-in <code>dynamic_cast</code> can be used for downcasts and
-    crosscasts of pointers to polymorphic objects, but error notification in
-    the form of a returned value of 0 is inconvenient to test, or worse yet,
-    easy to forget to test. The throwing form of <code>dynamic_cast</code>, which
-    works on references, can be used on pointers through the ugly expression
-    &amp;<code>dynamic_cast&lt;T&amp;&gt;(*p)</code>, which causes undefined
-    behavior if <code>p</code> is <code>0</code>. The <code>polymorphic_cast</code>
-    template performs a <code>dynamic_cast</code> on a pointer, and throws an
-    exception if the <code>dynamic_cast</code> returns 0.</p>
-
-    <p>A <code>polymorphic_downcast</code> should be used for
-    downcasts that you are certain should succeed.  Error checking is
-    only performed in translation units where <code>NDEBUG</code> is
-    not defined, via
-<pre>  assert( dynamic_cast&lt;Derived&gt;(x) == x )
-</pre> where <code>x</code> is the source pointer.  This approach
-    ensures that not only is a non-zero pointer returned, but also
-    that it is correct in the presence of multiple inheritance.
-    Attempts to crosscast using <code>polymorphic_downcast</code> will
-    fail to compile.
-    <b>Warning:</b> Because <code>polymorphic_downcast</code> uses assert(), it
-    violates the One Definition Rule (ODR) if NDEBUG is inconsistently
-    defined across translation units. [See ISO Std 3.2]
-</p><p>
-    For crosscasts, or when the success of a cast can only be known at
-    runtime, or when efficiency is not important,
-    <code>polymorphic_cast</code> is preferred. </p>
-
-    <p>The C++ built-in <code>dynamic_cast</code> must be used to cast references
-    rather than pointers. It is also the only cast that can be used to check
-    whether a given interface is supported; in that case a return of 0 isn't
-    an error condition.</p>
-
-    <h3>polymorphic_cast and polymorphic_downcast synopsis</h3>
-
-    <blockquote>
-<pre>namespace boost {
-
-template &lt;class Derived, class Base&gt;
-inline Derived polymorphic_cast(Base* x);
-// Throws: std::bad_cast if ( dynamic_cast&lt;Derived&gt;(x) == 0 )
-// Returns: dynamic_cast&lt;Derived&gt;(x)
-
-template &lt;class Derived, class Base&gt;
-inline Derived polymorphic_downcast(Base* x);
-// Effects: assert( dynamic_cast&lt;Derived&gt;(x) == x );
-// Returns: static_cast&lt;Derived&gt;(x)
-
-}
-</pre>
-    </blockquote>
-
-    <h3>polymorphic_downcast example</h3>
-
-    <blockquote>
-<pre>#include &lt;boost/cast.hpp&gt;
-...
-class Fruit { public: virtual ~Fruit(){}; ... };
-class Banana : public Fruit { ... };
-...
-void f( Fruit * fruit ) {
-// ... logic which leads us to believe it is a Banana
-  Banana * banana = boost::polymorphic_downcast&lt;Banana*&gt;(fruit);
-  ...
-</pre>
-    </blockquote>
-
-    <h3>History</h3>
-
-    <p><code>polymorphic_cast</code> was suggested by Bjarne Stroustrup in "The C++
-    Programming Language".<br>
-     <code>polymorphic_downcast</code> was contributed by <a href=
-    "http://www.boost.org/people/dave_abrahams.htm">Dave Abrahams</a>.<code><br>
-     An old
-     numeric_cast</code> that was contributed by <a href=
-    "http://www.boost.org/people/kevlin_henney.htm">Kevlin Henney</a> is now superseeded by the <a href="../numeric/conversion/doc/html/index.html">Boost Numeric Conversion Library</a></p>
-    <hr>
-
-    <p>Revised
-    <!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan
-                    -->June 23, 2005<!--webbot bot="Timestamp" endspan i-checksum="30348"
-                    --></p>
-
-    <p>&copy; Copyright boost.org 1999. Permission to copy, use, modify, sell
-    and distribute this document is granted provided this copyright notice
-    appears in all copies. This document is provided "as is" without express
-    or implied warranty, and with no claim as to its suitability for any
-    purpose.</p>
-  </body>
-</html>

doc/Jamfile.v2

@@ -0,0 +1,38 @@
+#   Copyright (c) 2016 Mikhail Maximov <vigorous.activity -at- gmail.com>
+
+#   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)
+
+project doc/conversion ;
+
+using quickbook ;
+import boostbook ;
+
+xml conversion : conversion.qbk ;
+boostbook standalone
+    :
+        conversion
+    :
+        <xsl:param>boost.root=../../../..
+        # File name of HTML output:
+        <xsl:param>root.filename=conversion
+        # How far down we chunk nested sections, basically all of them:
+        <xsl:param>chunk.section.depth=0
+        # Don't put the first section on the same page as the TOC:
+        <xsl:param>chunk.first.sections=0
+        # How far down sections get TOC's
+        <xsl:param>toc.section.depth=2
+        # Max depth in each TOC:
+        <xsl:param>toc.max.depth=2
+        # How far down we go with TOC's
+        <xsl:param>generate.section.toc.level=0
+
+        <xsl:param>generate.manifest=0
+     ;
+
+###############################################################################
+alias boostdoc : conversion ;
+explicit boostdoc ;
+alias boostrelease ;
+explicit boostrelease ;

doc/conversion.qbk

@@ -0,0 +1,218 @@
+[/
+    Copyright 2016 Mikhail Maximov.
+    Copyright Antony Polukhin, 2020-2022.
+
+    Distributed under the Boost Software License, Version 1.0. (See accompanying
+    file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</a>)
+]
+
+[article The Conversion Library
+    [quickbook 1.6]
+    [compatibility-mode 1.5]
+    [id conversion]
+    [version 1.7]
+    [authors [Stroustrup, Bjarne], [Abrahams, Dave], [Rasin, Boris], [Polukhin, Antony]]
+    [copyright 2001 Beman Dawes, 2014-2022 Antony Polukhin]
+    [license
+        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])
+    ]
+    [source-mode c++]
+]
+
+[/ QuickBook Document version 1.5 ]
+[/ Dec, 2016 ]
+
+[section Description]
+
+The Conversion Library improves program safety and clarity by performing
+otherwise messy conversions. It includes cast-style function templates designed 
+to complement the C++ Standard's built-in casts.
+
+To reduce coupling, particularly to standard library IOStreams, 
+the Boost Conversion Library is supplied by several headers:
+
+# The [@boost:boost/polymorphic_cast.hpp boost/polymorphic_cast.hpp] header
+  provides [link polymorphic_cast `polymorphic_cast<>`] and
+  [link polymorphic_downcast `polymorphic_downcast<>`]
+  to perform safe casting between polymorphic types.
+# The [@boost:boost/polymorphic_pointer_cast.hpp boost/polymorphic_pointer_cast.hpp] header
+  provides [link polymorphic_pointer_cast `polymorphic_pointer_cast<>`] and
+  [link polymorphic_pointer_cast `polymorphic_pointer_downcast<>`]
+# The [@boost:boost/implicit_cast.hpp boost/implicit_cast.hpp] header provides `implicit_cast<>` 
+  to perform implicit casts only (no down-cast, no void*->T*, no U->T if T has only explicit constructors for U).
+# The [@boost:boost/lexical_cast.hpp boost/lexical_cast.hpp] header 
+  provides [@boost:doc/libs/release/libs/lexical_cast/ `lexical_cast<>`] general literal text conversions, such as an `int` represented as a `string`, or vice-versa. 
+
+[endsect]
+
+[section Polymorphic casts]
+Pointers to polymorphic objects (objects of classes which define at
+least one virtual function) are sometimes downcast or crosscast.
+Downcasting means casting from a base class to a derived class.
+Crosscasting means casting across an inheritance hierarchy diagram, such
+as from one base to the other in a [^Y] diagram hierarchy.
+
+Such casts can be done with old-style casts, but this approach is
+never to be recommended. Old-style casts are sorely lacking in type
+safety, suffer poor readability, and are difficult to locate with search
+tools.
+
+[#polymorphic_downcast]
+[section polymorphic_downcast]
+
+The C++ built-in `static_cast` can be used for efficiently
+downcasting pointers to polymorphic objects, but provides no error
+detection for the case where the pointer being cast actually points to
+the wrong derived class. The `polymorphic_downcast` template retains
+the efficiency of `static_cast` for non-debug compilations, but for
+debug compilations adds safety via an `assert()` that a `dynamic_cast`
+succeeds.
+
+A `polymorphic_downcast` should be used for
+downcasts that you are certain should succeed. Error checking is
+only performed in translation units where `NDEBUG` is
+not defined, via
+```
+    assert( dynamic_cast<Derived>(x) == x )
+```
+where `x` is the source pointer.  This approach
+ensures that not only is a non-zero pointer returned, but also
+that it is correct in the presence of multiple inheritance.
+Attempts to crosscast using `polymorphic_downcast` will
+fail to compile.
+
+[warning Because `polymorphic_downcast` uses `assert()`, it
+violates the One Definition Rule (ODR) if `NDEBUG` is inconsistently
+defined across translation units. See ISO Std 3.2]
+
+[h4 Example:]
+```
+    #include <boost/polymorphic_cast.hpp>
+    ...
+    class Fruit { public: virtual ~Fruit(){}; ... };
+    class Banana : public Fruit { ... };
+    ...
+    void f( Fruit * fruit ) {
+      // ... logic which leads us to believe it is a Banana
+      Banana * banana = boost::polymorphic_downcast<Banana*>(fruit);
+      ...
+    }
+```
+[endsect]
+
+[#polymorphic_cast]
+[section polymorphic_cast]
+
+The C++ built-in `dynamic_cast` can be used for downcasts and
+crosscasts of pointers to polymorphic objects, but error notification in
+the form of a returned value of 0 is inconvenient to test, or worse yet,
+easy to forget to test. The throwing form of `dynamic_cast`, which
+works on references, can be used on pointers through the ugly expression
+`&dynamic_cast<T&>(*p)`, which causes undefined
+behavior if `p` is `0`. The `polymorphic_cast`
+template performs a `dynamic_cast` on a pointer, and throws an
+exception if the `dynamic_cast` returns 0.
+
+For crosscasts, or when the success of a cast can only be known at runtime, 
+or when efficiency is not important, `polymorphic_cast` is preferred.
+
+The C++ built-in `dynamic_cast` must be used to cast references rather than pointers.
+It is also the only cast that can be used to check whether a given interface is supported; in that case a return of 0 isn't an error condition.
+
+[endsect]
+
+
+[#polymorphic_pointer_cast]
+[section polymorphic_pointer_cast]
+While `polymorphic_downcast` and `polymorphic_cast` work with built-in pointer types only,
+`polymorphic_pointer_downcast` and `polymorphic_pointer_cast` are more generic versions
+with support for any pointer type for which the following expressions would be valid:
+
+For `polymorphic_pointer_downcast`:
+```
+    static_pointer_cast<Derived>(p);
+    dynamic_pointer_cast<Derived>(p);
+```
+For `polymorphic_pointer_cast`:
+```
+    dynamic_pointer_cast<Derived>(p);
+    !p; // conversion to bool with negation
+```
+
+This includes C++ built-in pointers, `std::shared_ptr`,
+`boost::shared_ptr`, `boost::intrusive_ptr`, etc.
+
+
+[h4 Example:]
+```
+    #include <boost/polymorphic_pointer_cast.hpp>
+
+    class Fruit { public: virtual ~Fruit(){} };
+    class Banana : public Fruit {};
+
+    // Use one of these:
+    typedef Fruit* FruitPtr;
+    typedef std::shared_ptr<Fruit> FruitPtr;
+    typedef boost::shared_ptr<Fruit> FruitPtr;
+    typedef boost::intrusive_ptr<Fruit> FruitPtr;
+
+    void f(FruitPtr fruit) {
+      // ... logic which leads us to believe it is a banana
+      auto banana = boost::polymorphic_pointer_downcast<Banana>(fruit);
+      ...
+    }
+```
+
+[endsect]
+
+[endsect]
+
+[section Synopsis]
+```
+    namespace boost {
+
+    // Throws: std::bad_cast if ( dynamic_cast<Derived>(x) == 0 )
+    // Returns: dynamic_cast<Derived>(x)
+    template <class Derived, class Base>
+    inline Derived polymorphic_cast(Base* x);
+
+    // Effects: assert( dynamic_cast<Derived>(x) == x );
+    // Returns: static_cast<Derived>(x)
+    template <class Derived, class Base>
+    inline Derived polymorphic_downcast(Base* x);
+
+    // Effects: assert( dynamic_cast<Derived>(&x) == &x );
+    // Returns: static_cast<Derived>(x)
+    template <class Derived, class Base>
+    inline Derived polymorphic_downcast(Base& x);
+
+    // Throws: std::bad_cast if ( dynamic_pointer_cast<Derived>(x) == 0 )
+    // Returns: dynamic_pointer_cast<Derived>(x)
+    template <class Derived, class Base>
+    inline auto polymorphic_pointer_cast(Base x);
+
+    // Effects: assert( dynamic_pointer_cast<Derived>(x) == x );
+    // Returns: static_pointer_cast<Derived>(x)
+    template <class Derived, class Base>
+    inline auto polymorphic_pointer_downcast(Base x);
+
+    }
+```
+[endsect]
+
+
+[section History]
+`polymorphic_cast` was suggested by Bjarne Stroustrup in "The C++ Programming Language".
+
+`polymorphic_downcast` was contributed by [@http://www.boost.org/people/dave_abrahams.htm Dave Abrahams].
+
+`polymorphic_pointer_downcast` was contributed by [@http://www.boost.org/people/boris_rasin.htm Boris Rasin]
+and `polymorphic_pointer_cast` by Antony Polukhin.
+
+`polymorphic_downcast` overload for references was contributed by Julien Delacroix.
+
+An old `numeric_cast` that was contributed by [@http://www.boost.org/people/kevlin_henney.htm Kevlin Henney]
+is now superseded by the [@boost:numeric_conversion/doc/html/html/boost_numericconversion/improved_numeric_cast__.html Boost Numeric Conversion Library]
+[endsect]

include/boost/detail/lcast_precision.hpp

@@ -1,184 +0,0 @@
-// Copyright Alexander Nasonov & Paul A. Bristow 2006.
-
-// Use, modification and distribution are subject to 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)
-
-#ifndef BOOST_DETAIL_LCAST_PRECISION_HPP_INCLUDED
-#define BOOST_DETAIL_LCAST_PRECISION_HPP_INCLUDED
-
-#include <climits>
-#include <ios>
-#include <limits>
-
-#include <boost/config.hpp>
-#include <boost/integer_traits.hpp>
-
-#ifndef BOOST_NO_IS_ABSTRACT
-// Fix for SF:1358600 - lexical_cast & pure virtual functions & VC 8 STL
-#include <boost/mpl/if.hpp>
-#include <boost/type_traits/is_abstract.hpp>
-#endif
-
-#if defined(BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS) || \
-  (defined(BOOST_MSVC) && (BOOST_MSVC<1310))
-
-#define BOOST_LCAST_NO_COMPILE_TIME_PRECISION
-#endif
-
-#ifdef BOOST_LCAST_NO_COMPILE_TIME_PRECISION
-#include <boost/assert.hpp>
-#else
-#include <boost/static_assert.hpp>
-#endif
-
-namespace boost { namespace detail {
-
-class lcast_abstract_stub {};
-
-#ifndef BOOST_LCAST_NO_COMPILE_TIME_PRECISION
-// Calculate an argument to pass to std::ios_base::precision from
-// lexical_cast. See alternative implementation for broken standard
-// libraries in lcast_get_precision below. Keep them in sync, please.
-template<class T>
-struct lcast_precision
-{
-#ifdef BOOST_NO_IS_ABSTRACT
-    typedef std::numeric_limits<T> limits; // No fix for SF:1358600.
-#else
-    typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_<
-        boost::is_abstract<T>
-      , std::numeric_limits<lcast_abstract_stub>
-      , std::numeric_limits<T>
-      >::type limits;
-#endif
-
-    BOOST_STATIC_CONSTANT(bool, use_default_precision =
-            !limits::is_specialized || limits::is_exact
-        );
-
-    BOOST_STATIC_CONSTANT(bool, is_specialized_bin =
-            !use_default_precision &&
-            limits::radix == 2 && limits::digits > 0
-        );
-
-    BOOST_STATIC_CONSTANT(bool, is_specialized_dec =
-            !use_default_precision &&
-            limits::radix == 10 && limits::digits10 > 0
-        );
-
-    BOOST_STATIC_CONSTANT(std::streamsize, streamsize_max =
-            boost::integer_traits<std::streamsize>::const_max
-        );
-
-    BOOST_STATIC_CONSTANT(unsigned int, precision_dec = limits::digits10 + 1U);
-
-    BOOST_STATIC_ASSERT(!is_specialized_dec ||
-            precision_dec <= streamsize_max + 0UL
-        );
-
-    BOOST_STATIC_CONSTANT(unsigned long, precision_bin =
-            2UL + limits::digits * 30103UL / 100000UL
-        );
-
-    BOOST_STATIC_ASSERT(!is_specialized_bin ||
-            (limits::digits + 0UL < ULONG_MAX / 30103UL &&
-            precision_bin > limits::digits10 + 0UL &&
-            precision_bin <= streamsize_max + 0UL)
-        );
-
-    BOOST_STATIC_CONSTANT(std::streamsize, value =
-            is_specialized_bin ? precision_bin
-                               : is_specialized_dec ? precision_dec : 6
-        );
-};
-#endif
-
-template<class T>
-inline std::streamsize lcast_get_precision(T* = 0)
-{
-#ifndef BOOST_LCAST_NO_COMPILE_TIME_PRECISION
-    return lcast_precision<T>::value;
-#else // Follow lcast_precision algorithm at run-time:
-
-#ifdef BOOST_NO_IS_ABSTRACT
-    typedef std::numeric_limits<T> limits; // No fix for SF:1358600.
-#else
-    typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_<
-        boost::is_abstract<T>
-      , std::numeric_limits<lcast_abstract_stub>
-      , std::numeric_limits<T>
-      >::type limits;
-#endif
-
-    bool const use_default_precision =
-        !limits::is_specialized || limits::is_exact;
-
-    if(!use_default_precision)
-    { // Includes all built-in floating-point types, float, double ...
-      // and UDT types for which digits (significand bits) is defined (not zero)
-
-        bool const is_specialized_bin =
-            limits::radix == 2 && limits::digits > 0;
-        bool const is_specialized_dec =
-            limits::radix == 10 && limits::digits10 > 0;
-        std::streamsize const streamsize_max =
-            (boost::integer_traits<std::streamsize>::max)();
-
-        if(is_specialized_bin)
-        { // Floating-point types with
-          // limits::digits defined by the specialization.
-
-            unsigned long const digits = limits::digits;
-            unsigned long const precision = 2UL + digits * 30103UL / 100000UL;
-            // unsigned long is selected because it is at least 32-bits
-            // and thus ULONG_MAX / 30103UL is big enough for all types.
-            BOOST_ASSERT(
-                    digits < ULONG_MAX / 30103UL &&
-                    precision > limits::digits10 + 0UL &&
-                    precision <= streamsize_max + 0UL
-                );
-            return precision;
-        }
-        else if(is_specialized_dec)
-        {   // Decimal Floating-point type, most likely a User Defined Type
-            // rather than a real floating-point hardware type.
-            unsigned int const precision = limits::digits10 + 1U;
-            BOOST_ASSERT(precision <= streamsize_max + 0UL);
-            return precision;
-        }
-    }
-
-    // Integral type (for which precision has no effect)
-    // or type T for which limits is NOT specialized,
-    // so assume stream precision remains the default 6 decimal digits.
-    // Warning: if your User-defined Floating-point type T is NOT specialized,
-    // then you may lose accuracy by only using 6 decimal digits.
-    // To avoid this, you need to specialize T with either
-    // radix == 2 and digits == the number of significand bits,
-    // OR
-    // radix = 10 and digits10 == the number of decimal digits.
-
-    return 6;
-#endif
-}
-
-template<class T>
-inline void lcast_set_precision(std::ios_base& stream, T*)
-{
-    stream.precision(lcast_get_precision<T>());
-}
-
-template<class Source, class Target>
-inline void lcast_set_precision(std::ios_base& stream, Source*, Target*)
-{
-    std::streamsize const s = lcast_get_precision(static_cast<Source*>(0));
-    std::streamsize const t = lcast_get_precision(static_cast<Target*>(0));
-    stream.precision(s > t ? s : t);
-}
-
-}}
-
-#endif //  BOOST_DETAIL_LCAST_PRECISION_HPP_INCLUDED
-

include/boost/implicit_cast.hpp

@@ -2,28 +2,37 @@
 // 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)
-#ifndef IMPLICIT_CAST_DWA200356_HPP
-# define IMPLICIT_CAST_DWA200356_HPP
 
-# include <boost/mpl/identity.hpp>
+#ifndef BOOST_IMPLICIT_CAST_DWA200356_HPP
+#define BOOST_IMPLICIT_CAST_DWA200356_HPP
+
+#include <boost/config.hpp>
+#ifdef BOOST_HAS_PRAGMA_ONCE
+# pragma once
+#endif
 
 namespace boost {
 
+namespace detail {
+
+template<class T> struct icast_identity
+{
+    typedef T type;
+};
+
+} // namespace detail
+
 // implementation originally suggested by C. Green in
 // http://lists.boost.org/MailArchives/boost/msg00886.php
 
 // The use of identity creates a non-deduced form, so that the
 // explicit template argument must be supplied
 template <typename T>
-inline T implicit_cast (typename mpl::identity<T>::type x) {
+BOOST_CONSTEXPR inline T implicit_cast (typename boost::detail::icast_identity<T>::type x) {
     return x;
 }
 
-// incomplete return type now is here
-//template <typename T>
-//void implicit_cast (...);
-
 } // namespace boost
 
 
-#endif // IMPLICIT_CAST_DWA200356_HPP
+#endif // BOOST_IMPLICIT_CAST_DWA200356_HPP

include/boost/polymorphic_cast.hpp

@@ -1,6 +1,7 @@
-//  boost cast.hpp header file  ----------------------------------------------//
+//  boost polymorphic_cast.hpp header file  ----------------------------------------------//
 
 //  (C) Copyright Kevlin Henney and Dave Abrahams 1999.
+//  (C) Copyright Boris Rasin 2014.
 //  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)
@@ -8,7 +9,12 @@
 //  See http://www.boost.org/libs/conversion for Documentation.
 
 //  Revision History
-//  23 JUn 05  numeric_cast removed and redirected to the new verion (Fernando Cacciola)
+//  10 Nov 14  polymorphic_pointer_downcast moved to a separate header,
+//             minor improvements to stisfy latest Boost coding style
+//  08 Nov 14  Add polymorphic_pointer_downcast (Boris Rasin)
+//  09 Jun 14  "cast.hpp" was renamed to "polymorphic_cast.hpp" and
+//             inclusion of numeric_cast was removed (Antony Polukhin)
+//  23 Jun 05  numeric_cast removed and redirected to the new verion (Fernando Cacciola)
 //  02 Apr 01  Removed BOOST_NO_LIMITS workarounds and included
 //             <boost/limits.hpp> instead (the workaround did not
 //             actually compile when BOOST_NO_LIMITS was defined in
@@ -40,26 +46,23 @@
 //             place in nested namespace.
 //   3 Aug 99  Initial version
 
-#ifndef BOOST_CAST_HPP
-#define BOOST_CAST_HPP
+#ifndef BOOST_POLYMORPHIC_CAST_HPP
+#define BOOST_POLYMORPHIC_CAST_HPP
 
 # include <boost/config.hpp>
-# include <boost/assert.hpp>
-# include <typeinfo>
-# include <boost/type.hpp>
-# include <boost/limits.hpp>
-# include <boost/detail/select_type.hpp>
 
-//  It has been demonstrated numerous times that MSVC 6.0 fails silently at link
-//  time if you use a template function which has template parameters that don't
-//  appear in the function's argument list.
-//
-//  TODO: Add this to config.hpp?
-# if defined(BOOST_MSVC) && BOOST_MSVC < 1300
-#  define BOOST_EXPLICIT_DEFAULT_TARGET , ::boost::type<Target>* = 0
-# else
-#  define BOOST_EXPLICIT_DEFAULT_TARGET
-# endif
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#   pragma once
+#endif
+
+# include <boost/assert.hpp>
+# include <boost/core/addressof.hpp>
+# include <boost/core/enable_if.hpp>
+# include <boost/throw_exception.hpp>
+# include <boost/type_traits/is_reference.hpp> 
+# include <boost/type_traits/remove_reference.hpp>
+
+# include <typeinfo>
 
 namespace boost
 {
@@ -73,16 +76,16 @@ namespace boost
     //  section 15.8 exercise 1, page 425.
 
     template <class Target, class Source>
-    inline Target polymorphic_cast(Source* x BOOST_EXPLICIT_DEFAULT_TARGET)
+    inline Target polymorphic_cast(Source* x)
     {
         Target tmp = dynamic_cast<Target>(x);
-        if ( tmp == 0 ) throw std::bad_cast();
+        if ( tmp == 0 ) boost::throw_exception( std::bad_cast() );
         return tmp;
     }
 
 //  polymorphic_downcast  ----------------------------------------------------//
 
-    //  BOOST_ASSERT() checked polymorphic downcast.  Crosscasts prohibited.
+    //  BOOST_ASSERT() checked raw pointer polymorphic downcast.  Crosscasts prohibited.
 
     //  WARNING: Because this cast uses BOOST_ASSERT(), it violates
     //  the One Definition Rule if used in multiple translation units
@@ -92,16 +95,32 @@ namespace boost
     //  Contributed by Dave Abrahams
 
     template <class Target, class Source>
-    inline Target polymorphic_downcast(Source* x BOOST_EXPLICIT_DEFAULT_TARGET)
+    inline Target polymorphic_downcast(Source* x)
     {
         BOOST_ASSERT( dynamic_cast<Target>(x) == x );  // detect logic error
         return static_cast<Target>(x);
     }
 
-#  undef BOOST_EXPLICIT_DEFAULT_TARGET
+    //  BOOST_ASSERT() checked reference polymorphic downcast.  Crosscasts prohibited.
+
+    //  WARNING: Because this cast uses BOOST_ASSERT(), it violates
+    //  the One Definition Rule if used in multiple translation units
+    //  where BOOST_DISABLE_ASSERTS, BOOST_ENABLE_ASSERT_HANDLER
+    //  NDEBUG are defined inconsistently.
+
+    //  Contributed by Julien Delacroix
+
+    template <class Target, class Source>
+    inline typename boost::enable_if_c<
+        boost::is_reference<Target>::value, Target
+    >::type polymorphic_downcast(Source& x)
+    {
+        typedef typename boost::remove_reference<Target>::type* target_pointer_type;
+        return *boost::polymorphic_downcast<target_pointer_type>(
+            boost::addressof(x)
+        );
+    }
 
 } // namespace boost
 
-# include <boost/numeric/conversion/cast.hpp>
-
-#endif  // BOOST_CAST_HPP
+#endif  // BOOST_POLYMORPHIC_CAST_HPP

include/boost/polymorphic_pointer_cast.hpp

@@ -0,0 +1,79 @@
+//  boost polymorphic_pointer_cast.hpp header file  ----------------------------------------------//
+//  (C) Copyright Boris Rasin, 2014-2021.
+//  (C) Copyright Antony Polukhin, 2014-2022.
+//  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)
+
+//  See http://www.boost.org/libs/conversion for Documentation.
+
+#ifndef BOOST_CONVERSION_POLYMORPHIC_POINTER_CAST_HPP
+#define BOOST_CONVERSION_POLYMORPHIC_POINTER_CAST_HPP
+
+# include <boost/config.hpp>
+# include <boost/assert.hpp>
+# include <boost/pointer_cast.hpp>
+# include <boost/throw_exception.hpp>
+# include <boost/utility/declval.hpp>
+# ifdef BOOST_NO_CXX11_DECLTYPE
+#   include <boost/typeof/typeof.hpp>
+# endif
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#   pragma once
+#endif
+
+namespace boost
+{
+//  See the documentation for descriptions of how to choose between
+//  static_pointer_cast<>, dynamic_pointer_cast<>, polymorphic_pointer_cast<> and polymorphic_pointer_downcast<>
+
+//  polymorphic_pointer_downcast  --------------------------------------------//
+
+    //  BOOST_ASSERT() checked polymorphic downcast.  Crosscasts prohibited.
+    //  Supports any type with static_pointer_cast/dynamic_pointer_cast functions:
+    //  built-in pointers, std::shared_ptr, boost::shared_ptr, boost::intrusive_ptr, etc.
+
+    //  WARNING: Because this cast uses BOOST_ASSERT(), it violates
+    //  the One Definition Rule if used in multiple translation units
+    //  where BOOST_DISABLE_ASSERTS, BOOST_ENABLE_ASSERT_HANDLER
+    //  NDEBUG are defined inconsistently.
+
+    //  Contributed by Boris Rasin
+
+    namespace detail
+    {
+        template <typename Target, typename Source>
+        struct dynamic_pointer_cast_result
+        {
+#ifdef BOOST_NO_CXX11_DECLTYPE
+            BOOST_TYPEOF_NESTED_TYPEDEF_TPL(nested, dynamic_pointer_cast<Target>(boost::declval<Source>()))
+            typedef typename nested::type type;
+#else
+            typedef decltype(dynamic_pointer_cast<Target>(boost::declval<Source>())) type;
+#endif
+        };
+    }
+
+    template <typename Target, typename Source>
+    inline typename detail::dynamic_pointer_cast_result<Target, Source>::type
+    polymorphic_pointer_downcast (const Source& x)
+    {
+        BOOST_ASSERT(dynamic_pointer_cast<Target> (x) == x);
+        return static_pointer_cast<Target> (x);
+    }
+
+    template <typename Target, typename Source>
+    inline typename detail::dynamic_pointer_cast_result<Target, Source>::type
+    polymorphic_pointer_cast (const Source& x)
+    {
+        typename detail::dynamic_pointer_cast_result<Target, Source>::type tmp
+            = dynamic_pointer_cast<Target> (x);
+        if ( !tmp ) boost::throw_exception( std::bad_cast() );
+
+        return tmp;
+    }
+
+} // namespace boost
+
+#endif  // BOOST_CONVERSION_POLYMORPHIC_POINTER_CAST_HPP

index.html

@@ -1,38 +1,37 @@
+<!DOCTYPE html>
+<!--
+ Copyright (c) 2016 Mikhail Maximov
+ vigorous.activity at gmail dot com
+
+ Copyright (c) Antony Polukhin, 2021-2022
+
+ 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)
+-->
 <html>
-
 <head>
-<meta http-equiv="Content-Language" content="en-us">
-<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
-<meta name="GENERATOR" content="Microsoft FrontPage 5.0">
-<meta name="ProgId" content="FrontPage.Editor.Document">
-<title>Boost Conversion Library</title>
+<meta charset="utf-8">
+<meta http-equiv="refresh" content="0; url=https://www.boost.org/doc/libs/master/doc/html/conversion.html">
+<title>Boost.Conversion</title>
+<style>
+  body {
+    background: #fff;
+    color: #000;
+  }
+  a {
+    color: #00f;
+    text-decoration: none;
+  }
+</style>
 </head>
-
-<body bgcolor="#FFFFFF" text="#000000">
-
-<h1><img border="0" src="../../boost.png" align="center" width="277" height="86">Boost
-Conversion Library</h1>
-
-<p>The Conversion Library improves program safety and clarity by performing
-otherwise messy conversions.&nbsp; It includes cast-style function templates designed to complement the C++
-Standard's built-in casts.</p>
-<p>To reduce coupling, particularly to standard library IOStreams, the Boost
-Conversion Library is
-supplied by several headers:</p>
-<ul>
-  <li>The <a href="cast.htm">boost/cast</a> header provides <b>polymorphic_cast&lt;&gt;</b>
-    and <b>polymorphic_downcast&lt;&gt;</b> to perform safe casting between
-  polymorphic types.<br>
-  </li>
-  <li>The <a href="lexical_cast.htm">boost/lexical_cast</a> header provides <b>lexical_cast&lt;&gt;</b>
-    general literal text conversions, such as an <code>int</code> represented as
-    a <code>string</code>, or vice-versa.</li>
-</ul>
-<hr>
-<p>Revised <!--webbot bot="Timestamp" S-Type="EDITED"
-S-Format="%d %B, %Y" startspan -->June 23, 2005<!--webbot bot="Timestamp" endspan i-checksum="30348" -->
-</p>
-
+<body>
+  <p>
+    Automatic redirection failed, please go to
+    <a href="https://www.boost.org/doc/libs/master/doc/html/conversion.html">https://www.boost.org/doc/libs/master/doc/html/conversion.html</a>
+  </p>
+  <p>
+    &copy; Antony Polukhin, 2014-2022
+  </p>
 </body>
-
-</html>
+</html>

lexical_cast.htm

@@ -1,270 +0,0 @@
-<!-- saved from url=(0022)http://internet.e-mail -->
-<!doctype html public "-//W3C//DTD HTML Transitional 4.0//EN">
-<html>
-	<head>
-		<title>lexical_cast</title>
-		<meta name="author" content="Kevlin Henney, mailto:kevlin@curbralan.com">
-		<meta name="generator" content="Microsoft FrontPage 5.0">
-	</head>
-	<body bgcolor="#FFFFFF" text="#000000">
-		<h1><img src="../../boost.png" alt="boost.png (6897 bytes)" align="center" width="277" height="86">Header
-			<a href="../../boost/lexical_cast.hpp">boost/lexical_cast.hpp</a></h1>
-		<ul type="square">
-			<li>
-				<a href="#motivation">Motivation</a></li>
-			<li>
-				<a href="#examples">Examples</a></li>
-			<li>
-				<a href="#synopsis">Synopsis</a></li>
-			<li>
-				<a href="#lexical_cast"><code>lexical_cast</code></a></li>
-			<li>
-				<a href="#bad_lexical_cast"><code>bad_lexical_cast</code></a></li>
-			<li>
-				<a href="#faq">Frequently Asked Questions</a></li>
-			<li>
-				<a href="#references">References</a></li>
-			<li>
-				<a href="#changes">Changes</a></li>
-		</ul>
-		<hr>
-		<h2><a name="motivation">Motivation</a></h2>
-		Sometimes a value must be converted to a literal text form, such as an <code>int</code>
-		represented as a <code>string</code>, or vice-versa, when a <code>string</code> 
-		is interpreted as an <code>int</code>. Such examples are common when converting 
-		between data types internal to a program and representation external to a 
-		program, such as windows and configuration files.
-		<p>
-		The standard C and C++ libraries offer a number of facilities for performing 
-		such conversions. However, they vary with their ease of use, extensibility, and 
-		safety.
-		<p>
-			For instance, there are a number of limitations with the family of standard C 
-			functions typified by <code>atoi</code>:
-			<ul type="square">
-				<li>
-					Conversion is supported in one direction only: from text to internal data type. 
-					Converting the other way using the C library requires either the inconvenience 
-					and compromised safety of the <code>sprintf</code> function, or the loss of 
-					portability associated with non-standard functions such as <code>itoa</code>.
-				</li>
-				<li>
-					The range of types supported is only a subset of the built-in numeric types, 
-					namely <code>int</code>, <code>long</code>, and <code>double</code>.
-				</li>
-				<li>
-					The range of types cannot be extended in a uniform manner. For instance, 
-					conversion from string representation to <code>complex</code> or <code>rational</code>.
-				</li>
-			</ul>
-			The standard C functions typified by <code>strtol</code> have the same basic 
-			limitations, but offer finer control over the conversion process. However, for 
-			the common case such control is often either not required or not used. The <code>scanf</code>
-		family of functions offer even greater control, but also lack safety and ease 
-		of use.
-		<p>
-			The standard C++ library offers <code>stringstream</code> for the kind of 
-			in-core formatting being discussed. It offers a great deal of control over the 
-			formatting and conversion of I/O to and from arbitrary types through text. 
-			However, for simple conversions direct use of <code>stringstream</code> can be 
-			either clumsy (with the introduction of extra local variables and the loss of 
-			infix-expression convenience) or obscure (where <code>stringstream</code>
-		objects are created as temporary objects in an expression). Facets provide a 
-		comprehensive concept and facility for controlling textual representation, but 
-		their perceived complexity and high entry level requires an extreme degree of 
-		involvement for simple conversions, and excludes all but a few programmers.
-		<p>
-			The <code>lexical_cast</code> function template offers a convenient and 
-			consistent form for supporting common conversions to and from arbitrary types 
-			when they are represented as text. The simplification it offers is in 
-			expression-level convenience for such conversions. For more involved 
-			conversions, such as where precision or formatting need tighter control than is 
-			offered by the default behavior of <code>lexical_cast</code>, the conventional <code>
-				stringstream</code> approach is recommended. Where the conversions are 
-			numeric to numeric, <code><a href="../numeric/conversion/doc/html/boost_numericconversion/improved_numeric_cast__.html">numeric_cast</a></code>
-			may offer more reasonable behavior than <code>lexical_cast</code>.
-		<p>
-			For a good discussion of the options and issues involved in string-based 
-			formatting, including comparison of <code>stringstream</code>, <code>lexical_cast</code>, 
-			and others, see Herb Sutter's article, <a href="http://www.gotw.ca/publications/mill19.htm">
-				<i>The String Formatters of Manor Farm</i></a>.
-		<p>
-			<hr>
-			<h2><a name="examples">Examples</a></h2>
-			The following example treats command line arguments as a sequence of numeric 
-			data: <blockquote>
-				<pre>int main(int argc, char * argv[])
-{
-    using boost::lexical_cast;
-    using boost::bad_lexical_cast;
-
-    std::vector&lt;short&gt; args;
-
-    while(*++argv)
-    {
-        try
-        {
-            args.push_back(lexical_cast&lt;short&gt;(*argv));
-        }
-        catch(bad_lexical_cast &amp;)
-        {
-            args.push_back(0);
-        }
-    }
-    ...
-}
-</pre>
-			</blockquote>The following example uses numeric data in a string expression: <blockquote>
-				<pre>void log_message(const std::string &amp;);
-
-void log_errno(int yoko)
-{
-    log_message(&quot;Error &quot; + boost::lexical_cast&lt;std::string&gt;(yoko) + &quot;: &quot; + strerror(yoko));
-}
-</pre>
-			</blockquote>
-			<hr>
-			<h2><a name="synopsis">Synopsis</a></h2>
-			Library features defined in <a href="../../boost/lexical_cast.hpp"><code>&quot;boost/lexical_cast.hpp&quot;</code></a>:
-			<blockquote>
-				<pre>namespace boost
-{
-    class <a href="#bad_lexical_cast">bad_lexical_cast</a>;
-    template&lt;typename Target, typename Source&gt;
-      Target <a href="#lexical_cast">lexical_cast</a>(const Source&amp; arg);
-}
-</pre>
-			</blockquote>Unit test defined in <a href="lexical_cast_test.cpp"><code>&quot;lexical_cast_test.cpp&quot;</code></a>.
-		<p>
-			<hr>
-			<h2><a name="lexical_cast"><code>lexical_cast</code></a></h2>
-			<blockquote>
-				<pre>template&lt;typename Target, typename Source&gt;
-  Target lexical_cast(const Source&amp; arg);
-</pre>
-			</blockquote>Returns the result of streaming <code>arg</code> into a
-			standard library string-based stream and then out as a <code>Target</code> object.
-			Where <code>Target</code> is either <code>std::string</code>
-			or <code>std::wstring</code>, stream extraction takes the whole content
-			of the string, including spaces, rather than relying on the default
-			<code>operator&gt;&gt;</code> behavior.
-			If the conversion is unsuccessful, a <a href="#bad_lexical_cast">
-				<code>bad_lexical_cast</code></a> exception is thrown.
-		<p>
-			The requirements on the argument and result types are:
-			<ul type="square">
-				<li>
-					<code>Source</code> is <i>OutputStreamable</i>, meaning that an <code>operator&lt;&lt;</code>
-					is defined that takes a <code>std::ostream</code> or <code>std::wostream</code> object on the
-					left hand side and an instance of the argument type on the right.
-				</li>
-				<li>
-					<code>Target</code> is <i>InputStreamable</i>, meaning that an <code>operator&gt;&gt;</code>
-					is defined that takes a <code>std::istream</code> or <code>std::wistream</code> object on the left hand side 
-					and an instance of the result type on the right.
-				</li>
-				<li>
-					<code>Target</code> is <i>CopyConstructible</i> [20.1.3].
-				</li>
-				<li>
-					<code>Target</code> is <i>DefaultConstructible</i>, meaning that it is possible 
-					to <i>default-initialize</i> an object of that type [8.5, 20.1.4].
-				</li>
-			</ul>
-			The character type of the underlying stream is assumed to be <code>char</code> unless
-			either the <code>Source</code> or the <code>Target</code> requires wide-character
-			streaming, in which case the underlying stream uses <code>wchar_t</code>.
-			<code>Source</code> types that require wide-character streaming are <code>wchar_t</code>,
-			<code>wchar_t *</code>, and <code>std::wstring</code>. <code>Target</code> types that
-			require wide-character streaming are <code>wchar_t</code> and <code>std::wstring</code>.
-			<p>
-			Where a higher degree of control is required over conversions, <code>std::stringstream</code>
-			and <code>std::wstringstream</code> offer a more appropriate path. Where non-stream-based conversions are 
-			required, <code>lexical_cast</code>
-		is the wrong tool for the job and is not special-cased for such scenarios.
-		<p>
-			<hr>
-			<h2><a name="bad_lexical_cast"><code>bad_lexical_cast</code></a></h2>
-			<blockquote>
-				<pre>class bad_lexical_cast : public std::bad_cast
-{
-public:
-    ... // <i>same member function interface as</i> std::exception
-};
-</pre>
-			</blockquote>Exception used to indicate runtime <a href="#lexical_cast"><code>lexical_cast</code></a>
-		failure.
-			<hr>
-		
-<h2><a name="faq">Frequently Asked Questions</h2>
-    <p> Q: Why does <code>lexical_cast&lt;int8_t&gt;("127")</code> throw <code>bad_lexical_cast</code>?
-    <br> A: The type <code>int8_t</code> is a typedef to <code>char</code> or <code>signed char</code>.
-    Lexical conversion to these types is simply reading a byte from source but since the source has
-    more than one byte, the exception is thrown.
-    <p>Please use other integer types such as <code>int</code> or <code>short int</code>. If bounds checking
-    is important, you can also call <a href="../../libs/numeric/conversion/doc/html/boost_numericconversion/improved_numeric_cast__.html">numeric_cast</a>:
-
-<pre><a href="../../libs/numeric/conversion/doc/html/boost_numericconversion/improved_numeric_cast__.html">numeric_cast</a>&lt;int8_t&gt;(lexical_cast&lt;int&gt;("127"));</pre>
-
-    <p> Q: What does <code>lexical_cast&lt;std::string&gt;</code> of an <code>int8_t</code> or <code>uint8_t</code> not do what I expect?
-    <br> A: As above, note that <code>int8_t</code> and <code>uint8_t</code> are actually chars and are formatted as such.  To avoid this, cast to an integer type first:
-
-<pre>lexical_cast&lt;std::string&gt;(static_cast&lt;int&gt;(n));</pre>
-
-    <p> Q: The implementation always resets the <code>ios_base::skipws</code> flag of an underlying stream object. It breaks my <code>operator&gt;&gt;</code> that works only in presence of this flag. Can you remove code that resets the flag?
-    <br> A: May be in a future version. There is no requirement in <a href="#n1973">[N1973]</a> to reset the flag but remember that <a href="#n1973">[N1973]</a> is not yet accepted by the committee. By the way, it's a great opportunity to make your <code>operator&gt;&gt;</code> conform to the standard. Read a good C++ book, study <code>std::sentry</code> and <a href="../../libs/io/doc/ios_state.html">ios_state_saver</a>.
-</ul>
-<h2><a name="references">References</h2>
-<ul type="square">
-    <a name="n1973"></a><li> [N1973] Kevlin Henney, Beman Dawes, Lexical Conversion Library Proposal for TR2,
-      <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1973.html">N1973</a>.
-      <a name="tuning"></a><li> [Tuning] Alexander Nasonov, Fine Tuning for lexical_cast,
-      <a href="http://www.accu.org/var/uploads/journals/overload74.pdf">Overload #74</a>,
-      August 2006.</li>
-</ul>
-<h2><a name="changes">Changes</a></h2>
-<h3>August, October 2006:</h3>
-<ul type="square">
-    <li>Better performance for many combinations of <code>Source</code> and <code>Target</code>
-    types. Refer to <a href="#tuning">[Tuning]</a> for more details.
-  </li>
-</ul>
-<h3>June 2005:</h3>
-<ul type="square">
-  <li>Call-by-const reference for the parameters. This requires partial specialization 
-    of class templates, so it doesn't work for MSVC 6, and it uses the original 
-    pass by value there.<br>
-  </li>
-  <li>The MSVC 6 support is deprecated, and will be removed in a future Boost 
-    version. </li>
-</ul>
-<h3>Earlier:</h3>
-	
-<ul type="square">
-  <li>The previous version of <code>lexical_cast</code> used the default stream 
-    precision for reading and writing floating-point numbers. For numerics that 
-    have a corresponding specialization of <code>std::numeric_limits</code>, the 
-    current version now chooses a precision to match. <br>
-  <li>The previous version of <code>lexical_cast</code> did not support conversion 
-    to or from any wide-character-based types. For compilers with full language 
-    and library support for wide characters, <code>lexical_cast</code> now supports 
-    conversions from <code>wchar_t</code>, <code>wchar_t *</code>, and <code>std::wstring</code> 
-    and to <code>wchar_t</code> and <code>std::wstring</code>. <br>
-  <li>The previous version of <code>lexical_cast</code> assumed that the conventional 
-    stream extractor operators were sufficient for reading values. However, string 
-    I/O is asymmetric, with the result that spaces play the role of I/O separators 
-    rather than string content. The current version fixes this error for <code>std::string</code> 
-    and, where supported, <code>std::wstring</code>: <code>lexical_cast&lt;std::string&gt;("Hello, 
-    World")</code> succeeds instead of failing with a <code>bad_lexical_cast</code> 
-    exception. <br>
-  <li>The previous version of <code>lexical_cast</code> allowed unsafe and meaningless 
-    conversions to pointers. The current version now throws a <code>bad_lexical_cast</code> 
-    for conversions to pointers: <code>lexical_cast&lt;char *&gt;("Goodbye, World")</code> 
-    now throws an exception instead of causing undefined behavior. 
-</ul>
-	<p>
-			<hr>
-			
-<div align="right"><small><i>&copy; Copyright Kevlin Henney, 2000&#150;2005</i></small></div>
-	</body>
-</html>

lexical_cast_test.cpp

@@ -1,783 +0,0 @@
-//  Unit test for boost::lexical_cast.
-//
-//  See http://www.boost.org for most recent version, including documentation.
-//
-//  Copyright Terje Sletteb<65> and Kevlin Henney, 2005.
-//  Copyright Alexander Nasonov, 2006.
-//
-//  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).
-//
-// Note: The unit test no longer compile on MSVC 6, but lexical_cast itself works for it.
-
-#include <boost/config.hpp>
-
-#if defined(__INTEL_COMPILER)
-#pragma warning(disable: 193 383 488 981 1418 1419)
-#elif defined(BOOST_MSVC)
-#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
-#endif
-
-#include <boost/lexical_cast.hpp>
-
-#include <boost/cstdint.hpp>
-#include <boost/test/unit_test.hpp>
-#include <boost/test/floating_point_comparison.hpp>
-
-#include <string>
-#include <memory>
-
-#if (defined(BOOST_HAS_LONG_LONG) || defined(BOOST_HAS_MS_INT64)) \
-    && !(defined(BOOST_MSVC) && BOOST_MSVC < 1300)
-#define LCAST_TEST_LONGLONG
-#endif
-
-template<class CharT>
-struct my_traits : std::char_traits<CharT>
-{
-};
-
-template<class CharT>
-struct my_allocator : std::allocator<CharT>
-{
-};
-
-// Test all 65536 values if true:
-bool const lcast_test_small_integral_types_completely = false;
-
-// lcast_integral_test_counter: use when testing all values of an integral
-// types is not possible. Max. portable value is 32767.
-int const lcast_integral_test_counter=1000;
-
-using namespace boost;
-
-void test_conversion_to_char();
-void test_conversion_to_int();
-void test_conversion_to_double();
-void test_conversion_to_bool();
-void test_conversion_to_string();
-void test_conversion_from_to_wchar_t_alias();
-void test_conversion_to_pointer();
-void test_conversion_from_wchar_t();
-void test_conversion_to_wchar_t();
-void test_conversion_from_wstring();
-void test_conversion_to_wstring();
-void test_bad_lexical_cast();
-void test_no_whitespace_stripping();
-void test_conversion_from_to_short();
-void test_conversion_from_to_ushort();
-void test_conversion_from_to_int();
-void test_conversion_from_to_uint();
-void test_conversion_from_to_long();
-void test_conversion_from_to_ulong();
-void test_conversion_from_to_intmax_t();
-void test_conversion_from_to_uintmax_t();
-#ifdef LCAST_TEST_LONGLONG
-void test_conversion_from_to_longlong();
-void test_conversion_from_to_ulonglong();
-#endif
-#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
-void test_traits();
-void test_wtraits();
-void test_allocator();
-void test_wallocator();
-#endif
-
-unit_test::test_suite *init_unit_test_suite(int, char *[])
-{
-    unit_test_framework::test_suite *suite =
-        BOOST_TEST_SUITE("lexical_cast unit test");
-    suite->add(BOOST_TEST_CASE(test_conversion_to_char));
-    suite->add(BOOST_TEST_CASE(test_conversion_to_int));
-    suite->add(BOOST_TEST_CASE(test_conversion_to_double));
-    suite->add(BOOST_TEST_CASE(test_conversion_to_bool));
-    suite->add(BOOST_TEST_CASE(test_conversion_from_to_wchar_t_alias));
-    suite->add(BOOST_TEST_CASE(test_conversion_to_pointer));
-    suite->add(BOOST_TEST_CASE(test_conversion_to_string));
-#ifndef BOOST_LCAST_NO_WCHAR_T
-    suite->add(BOOST_TEST_CASE(test_conversion_from_wchar_t));
-    suite->add(BOOST_TEST_CASE(test_conversion_to_wchar_t));
-    suite->add(BOOST_TEST_CASE(test_conversion_from_wstring));
-    suite->add(BOOST_TEST_CASE(test_conversion_to_wstring));
-#endif
-    suite->add(BOOST_TEST_CASE(test_bad_lexical_cast));
-    suite->add(BOOST_TEST_CASE(test_no_whitespace_stripping));
-    suite->add(BOOST_TEST_CASE(&test_conversion_from_to_short));
-    suite->add(BOOST_TEST_CASE(&test_conversion_from_to_ushort));
-    suite->add(BOOST_TEST_CASE(&test_conversion_from_to_int));
-    suite->add(BOOST_TEST_CASE(&test_conversion_from_to_uint));
-    suite->add(BOOST_TEST_CASE(&test_conversion_from_to_long));
-    suite->add(BOOST_TEST_CASE(&test_conversion_from_to_ulong));
-    suite->add(BOOST_TEST_CASE(&test_conversion_from_to_intmax_t));
-    suite->add(BOOST_TEST_CASE(&test_conversion_from_to_uintmax_t));
-#ifdef LCAST_TEST_LONGLONG
-    suite->add(BOOST_TEST_CASE(&test_conversion_from_to_longlong));
-    suite->add(BOOST_TEST_CASE(&test_conversion_from_to_ulonglong));
-#endif
-#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
-    suite->add(BOOST_TEST_CASE(&test_traits));
-    suite->add(BOOST_TEST_CASE(&test_wtraits));
-    suite->add(BOOST_TEST_CASE(&test_allocator));
-    suite->add(BOOST_TEST_CASE(&test_wallocator));
-#endif
-
-    return suite;
-}
-
-void test_conversion_to_char()
-{
-    BOOST_CHECK_EQUAL('A', lexical_cast<char>('A'));
-    BOOST_CHECK_EQUAL(' ', lexical_cast<char>(' '));
-    BOOST_CHECK_EQUAL('1', lexical_cast<char>(1));
-    BOOST_CHECK_EQUAL('0', lexical_cast<char>(0));
-    BOOST_CHECK_THROW(lexical_cast<char>(123), bad_lexical_cast);
-    BOOST_CHECK_EQUAL('1', lexical_cast<char>(1.0));
-    BOOST_CHECK_EQUAL('1', lexical_cast<char>(true));
-    BOOST_CHECK_EQUAL('0', lexical_cast<char>(false));
-    BOOST_CHECK_EQUAL('A', lexical_cast<char>("A"));
-    BOOST_CHECK_EQUAL(' ', lexical_cast<char>(" "));
-    BOOST_CHECK_THROW(lexical_cast<char>(""), bad_lexical_cast);
-    BOOST_CHECK_THROW(lexical_cast<char>("Test"), bad_lexical_cast);
-    BOOST_CHECK_EQUAL('A', lexical_cast<char>(std::string("A")));
-    BOOST_CHECK_EQUAL(' ', lexical_cast<char>(std::string(" ")));
-    BOOST_CHECK_THROW(
-        lexical_cast<char>(std::string("")), bad_lexical_cast);
-    BOOST_CHECK_THROW(
-        lexical_cast<char>(std::string("Test")), bad_lexical_cast);
-}
-
-void test_conversion_to_int()
-{
-    BOOST_CHECK_EQUAL(1, lexical_cast<int>('1'));
-    BOOST_CHECK_EQUAL(0, lexical_cast<int>('0'));
-    BOOST_CHECK_THROW(lexical_cast<int>('A'), bad_lexical_cast);
-    BOOST_CHECK_EQUAL(1, lexical_cast<int>(1));
-    BOOST_CHECK_EQUAL(1, lexical_cast<int>(1.0));
-
-    BOOST_CHECK_EQUAL(
-        (std::numeric_limits<int>::max)(),
-        lexical_cast<int>((std::numeric_limits<int>::max)()));
-
-    BOOST_CHECK_EQUAL(
-        (std::numeric_limits<int>::min)(),
-        lexical_cast<int>((std::numeric_limits<int>::min)()));
-
-    BOOST_CHECK_THROW(lexical_cast<int>(1.23), bad_lexical_cast);
-
-    BOOST_CHECK_THROW(lexical_cast<int>(1e20), bad_lexical_cast);
-    BOOST_CHECK_EQUAL(1, lexical_cast<int>(true));
-    BOOST_CHECK_EQUAL(0, lexical_cast<int>(false));
-    BOOST_CHECK_EQUAL(123, lexical_cast<int>("123"));
-    BOOST_CHECK_THROW(
-        lexical_cast<int>(" 123"), bad_lexical_cast);
-    BOOST_CHECK_THROW(lexical_cast<int>(""), bad_lexical_cast);
-    BOOST_CHECK_THROW(lexical_cast<int>("Test"), bad_lexical_cast);
-    BOOST_CHECK_EQUAL(123, lexical_cast<int>("123"));
-    BOOST_CHECK_EQUAL(123, lexical_cast<int>(std::string("123")));
-    BOOST_CHECK_THROW(
-        lexical_cast<int>(std::string(" 123")), bad_lexical_cast);
-    BOOST_CHECK_THROW(
-        lexical_cast<int>(std::string("")), bad_lexical_cast);
-    BOOST_CHECK_THROW(
-        lexical_cast<int>(std::string("Test")), bad_lexical_cast);
-}
-
-void test_conversion_to_double()
-{
-    BOOST_CHECK_CLOSE(1.0, lexical_cast<double>('1'), (std::numeric_limits<double>::epsilon()));
-    BOOST_CHECK_THROW(lexical_cast<double>('A'), bad_lexical_cast);
-    BOOST_CHECK_CLOSE(1.0, lexical_cast<double>(1), (std::numeric_limits<double>::epsilon()));
-    BOOST_CHECK_CLOSE(1.23, lexical_cast<double>(1.23), (std::numeric_limits<double>::epsilon()));
-    BOOST_CHECK_CLOSE(1.234567890, 1.234567890, std::numeric_limits<double>::epsilon());
-    BOOST_CHECK_CLOSE(1.0, lexical_cast<double>(true), (std::numeric_limits<double>::epsilon()));
-    BOOST_CHECK_CLOSE(0.0, lexical_cast<double>(false), (std::numeric_limits<double>::epsilon()));
-    BOOST_CHECK_CLOSE(1.23, lexical_cast<double>("1.23"), (std::numeric_limits<double>::epsilon()));
-    BOOST_CHECK_THROW(lexical_cast<double>(""), bad_lexical_cast);
-    BOOST_CHECK_THROW(lexical_cast<double>("Test"), bad_lexical_cast);
-    BOOST_CHECK_CLOSE(1.23, lexical_cast<double>(std::string("1.23")), (std::numeric_limits<double>::epsilon()));
-    BOOST_CHECK_THROW(
-        lexical_cast<double>(std::string("")), bad_lexical_cast);
-    BOOST_CHECK_THROW(
-        lexical_cast<double>(std::string("Test")), bad_lexical_cast);
-}
-
-void test_conversion_to_bool()
-{
-    BOOST_CHECK_EQUAL(true, lexical_cast<bool>('1'));
-    BOOST_CHECK_EQUAL(false, lexical_cast<bool>('0'));
-    BOOST_CHECK_THROW(lexical_cast<bool>('A'), bad_lexical_cast);
-    BOOST_CHECK_EQUAL(true, lexical_cast<bool>(1));
-    BOOST_CHECK_EQUAL(false, lexical_cast<bool>(0));
-    BOOST_CHECK_THROW(lexical_cast<bool>(123), bad_lexical_cast);
-    BOOST_CHECK_EQUAL(true, lexical_cast<bool>(1.0));
-    BOOST_CHECK_EQUAL(false, lexical_cast<bool>(0.0));
-    BOOST_CHECK_EQUAL(true, lexical_cast<bool>(true));
-    BOOST_CHECK_EQUAL(false, lexical_cast<bool>(false));
-    BOOST_CHECK_EQUAL(true, lexical_cast<bool>("1"));
-    BOOST_CHECK_EQUAL(false, lexical_cast<bool>("0"));
-    BOOST_CHECK_THROW(lexical_cast<bool>(""), bad_lexical_cast);
-    BOOST_CHECK_THROW(lexical_cast<bool>("Test"), bad_lexical_cast);
-    BOOST_CHECK_EQUAL(true, lexical_cast<bool>("1"));
-    BOOST_CHECK_EQUAL(false, lexical_cast<bool>("0"));
-    BOOST_CHECK_EQUAL(true, lexical_cast<bool>(std::string("1")));
-    BOOST_CHECK_EQUAL(false, lexical_cast<bool>(std::string("0")));
-    BOOST_CHECK_THROW(
-        lexical_cast<bool>(std::string("")), bad_lexical_cast);
-    BOOST_CHECK_THROW(
-        lexical_cast<bool>(std::string("Test")), bad_lexical_cast);
-}
-
-void test_conversion_to_string()
-{
-    char buf[] = "hello";
-    char* str = buf;
-    BOOST_CHECK_EQUAL(str, lexical_cast<std::string>(str));
-    BOOST_CHECK_EQUAL("A", lexical_cast<std::string>('A'));
-    BOOST_CHECK_EQUAL(" ", lexical_cast<std::string>(' '));
-    BOOST_CHECK_EQUAL("123", lexical_cast<std::string>(123));
-    BOOST_CHECK_EQUAL("1.23", lexical_cast<std::string>(1.23));
-    BOOST_CHECK_EQUAL("1.111111111", lexical_cast<std::string>(1.111111111));
-    BOOST_CHECK_EQUAL("1", lexical_cast<std::string>(true));
-    BOOST_CHECK_EQUAL("0", lexical_cast<std::string>(false));
-    BOOST_CHECK_EQUAL("Test", lexical_cast<std::string>("Test"));
-    BOOST_CHECK_EQUAL(" ", lexical_cast<std::string>(" "));
-    BOOST_CHECK_EQUAL("", lexical_cast<std::string>(""));
-    BOOST_CHECK_EQUAL("Test", lexical_cast<std::string>(std::string("Test")));
-    BOOST_CHECK_EQUAL(" ", lexical_cast<std::string>(std::string(" ")));
-    BOOST_CHECK_EQUAL("", lexical_cast<std::string>(std::string("")));
-}
-
-void test_conversion_from_to_wchar_t_alias()
-{
-    BOOST_CHECK_EQUAL(123u, lexical_cast<unsigned short>("123"));
-    BOOST_CHECK_EQUAL(123u, lexical_cast<unsigned int>("123"));
-    BOOST_CHECK_EQUAL(123u, lexical_cast<unsigned long>("123"));
-    BOOST_CHECK_EQUAL(std::string("123"),
-        lexical_cast<std::string>(static_cast<unsigned short>(123)));
-    BOOST_CHECK_EQUAL(std::string("123"), lexical_cast<std::string>(123u));
-    BOOST_CHECK_EQUAL(std::string("123"), lexical_cast<std::string>(123ul));
-}
-
-void test_conversion_to_pointer()
-{
-    BOOST_CHECK_THROW(lexical_cast<char *>("Test"), bad_lexical_cast);
-#ifndef BOOST_LCAST_NO_WCHAR_T
-    BOOST_CHECK_THROW(lexical_cast<wchar_t *>("Test"), bad_lexical_cast);
-#endif
-}
-
-void test_conversion_from_wchar_t()
-{
-#ifndef BOOST_LCAST_NO_WCHAR_T
-#if !defined(BOOST_NO_INTRINSIC_WCHAR_T)
-    BOOST_CHECK_EQUAL(1, lexical_cast<int>(L'1'));
-    BOOST_CHECK_THROW(lexical_cast<int>(L'A'), bad_lexical_cast);
-#endif
-
-    BOOST_CHECK_EQUAL(123, lexical_cast<int>(L"123"));
-    BOOST_CHECK_THROW(lexical_cast<int>(L""), bad_lexical_cast);
-    BOOST_CHECK_THROW(lexical_cast<int>(L"Test"), bad_lexical_cast);
-
-#if !defined(BOOST_NO_INTRINSIC_WCHAR_T)
-    BOOST_CHECK_EQUAL(1.0, lexical_cast<double>(L'1'));
-    BOOST_CHECK_THROW(lexical_cast<double>(L'A'), bad_lexical_cast);
-#endif
-
-    BOOST_CHECK_EQUAL(1.23, lexical_cast<double>(L"1.23"));
-    BOOST_CHECK_THROW(lexical_cast<double>(L""), bad_lexical_cast);
-    BOOST_CHECK_THROW(lexical_cast<double>(L"Test"), bad_lexical_cast);
-
-#if !defined(BOOST_NO_INTRINSIC_WCHAR_T)
-    BOOST_CHECK_EQUAL(true, lexical_cast<bool>(L'1'));
-    BOOST_CHECK_EQUAL(false, lexical_cast<bool>(L'0'));
-    BOOST_CHECK_THROW(lexical_cast<bool>(L'A'), bad_lexical_cast);
-#endif
-    BOOST_CHECK_EQUAL(true, lexical_cast<bool>(L"1"));
-    BOOST_CHECK_EQUAL(false, lexical_cast<bool>(L"0"));
-    BOOST_CHECK_THROW(lexical_cast<bool>(L""), bad_lexical_cast);
-    BOOST_CHECK_THROW(lexical_cast<bool>(L"Test"), bad_lexical_cast);
-#endif
-}
-
-void test_conversion_to_wchar_t()
-{
-#if !defined(BOOST_LCAST_NO_WCHAR_T) && !defined(BOOST_NO_INTRINSIC_WCHAR_T)
-    BOOST_CHECK_EQUAL(L'1', lexical_cast<wchar_t>(1));
-    BOOST_CHECK_EQUAL(L'0', lexical_cast<wchar_t>(0));
-    BOOST_CHECK_EQUAL(L'1', lexical_cast<wchar_t>('1'));
-    BOOST_CHECK_EQUAL(L'0', lexical_cast<wchar_t>('0'));
-    BOOST_CHECK_THROW(lexical_cast<wchar_t>(123), bad_lexical_cast);
-    BOOST_CHECK_EQUAL(L'1', lexical_cast<wchar_t>(1.0));
-    BOOST_CHECK_EQUAL(L'0', lexical_cast<wchar_t>(0.0));
-    BOOST_CHECK_EQUAL(L'1', lexical_cast<wchar_t>(true));
-    BOOST_CHECK_EQUAL(L'0', lexical_cast<wchar_t>(false));
-    BOOST_CHECK_EQUAL(L'A', lexical_cast<wchar_t>(L'A'));
-    BOOST_CHECK_EQUAL(L' ', lexical_cast<wchar_t>(L' '));
-    BOOST_CHECK_EQUAL(L'A', lexical_cast<wchar_t>(L"A"));
-    BOOST_CHECK_EQUAL(L' ', lexical_cast<wchar_t>(L" "));
-    BOOST_CHECK_THROW(lexical_cast<wchar_t>(L""), bad_lexical_cast);
-    BOOST_CHECK_THROW(lexical_cast<wchar_t>(L"Test"), bad_lexical_cast);
-    BOOST_CHECK_EQUAL(L'A', lexical_cast<wchar_t>(std::wstring(L"A")));
-    BOOST_CHECK_EQUAL(L' ', lexical_cast<wchar_t>(std::wstring(L" ")));
-    BOOST_CHECK_THROW(
-        lexical_cast<wchar_t>(std::wstring(L"")), bad_lexical_cast);
-    BOOST_CHECK_THROW(
-        lexical_cast<wchar_t>(std::wstring(L"Test")), bad_lexical_cast);
-#endif
-}
-
-void test_conversion_from_wstring()
-{
-#ifndef BOOST_LCAST_NO_WCHAR_T
-    BOOST_CHECK_EQUAL(123, lexical_cast<int>(std::wstring(L"123")));
-    BOOST_CHECK_THROW(
-        lexical_cast<int>(std::wstring(L"")), bad_lexical_cast);
-    BOOST_CHECK_THROW(
-        lexical_cast<int>(std::wstring(L"Test")), bad_lexical_cast);
-
-    BOOST_CHECK_EQUAL(true, lexical_cast<bool>(std::wstring(L"1")));
-    BOOST_CHECK_EQUAL(false, lexical_cast<bool>(std::wstring(L"0")));
-    BOOST_CHECK_THROW(
-        lexical_cast<bool>(std::wstring(L"")), bad_lexical_cast);
-    BOOST_CHECK_THROW(
-        lexical_cast<bool>(std::wstring(L"Test")), bad_lexical_cast);
-#endif
-}
-
-void test_conversion_to_wstring()
-{
-#ifndef BOOST_LCAST_NO_WCHAR_T
-    wchar_t buf[] = L"hello";
-    wchar_t* str = buf;
-    BOOST_CHECK(str == lexical_cast<std::wstring>(str));
-    BOOST_CHECK(L"123" == lexical_cast<std::wstring>(123));
-    BOOST_CHECK(L"1.23" == lexical_cast<std::wstring>(1.23));
-    BOOST_CHECK(L"1.111111111" == lexical_cast<std::wstring>(1.111111111));
-    BOOST_CHECK(L"1" == lexical_cast<std::wstring>(true));
-    BOOST_CHECK(L"0" == lexical_cast<std::wstring>(false));
-#if !defined(BOOST_NO_INTRINSIC_WCHAR_T)
-    BOOST_CHECK(L"A" == lexical_cast<std::wstring>(L'A'));
-    BOOST_CHECK(L" " == lexical_cast<std::wstring>(L' '));
-    BOOST_CHECK(L"A" == lexical_cast<std::wstring>('A'));
-#endif
-    BOOST_CHECK(L"Test" == lexical_cast<std::wstring>(L"Test"));
-    BOOST_CHECK(L" " == lexical_cast<std::wstring>(L" "));
-    BOOST_CHECK(L"" == lexical_cast<std::wstring>(L""));
-    BOOST_CHECK(L"Test" == lexical_cast<std::wstring>(std::wstring(L"Test")));
-    BOOST_CHECK(L" " == lexical_cast<std::wstring>(std::wstring(L" ")));
-    BOOST_CHECK(L"" == lexical_cast<std::wstring>(std::wstring(L"")));
-#endif
-}
-
-void test_bad_lexical_cast()
-{
-    try
-    {
-        lexical_cast<int>(std::string("Test"));
-
-        BOOST_CHECK(false); // Exception expected
-    }
-    catch(const bad_lexical_cast &e)
-    {
-        BOOST_CHECK(e.source_type() == typeid(std::string));
-        BOOST_CHECK(e.target_type() == typeid(int));
-    }
-}
-
-void test_no_whitespace_stripping()
-{
-    BOOST_CHECK_THROW(lexical_cast<int>(" 123"), bad_lexical_cast);
-    BOOST_CHECK_THROW(lexical_cast<int>("123 "), bad_lexical_cast);
-}
-
-// Replace "-,999" with "-999".
-template<class CharT>
-std::basic_string<CharT> to_str_gcc_workaround(std::basic_string<CharT> str)
-{
-    std::locale loc;
-    std::numpunct<CharT> const& np = BOOST_USE_FACET(std::numpunct<CharT>, loc);
-    std::ctype<CharT> const& ct = BOOST_USE_FACET(std::ctype<CharT>, loc);
-
-    if(np.grouping().empty())
-        return str;
-
-    CharT prefix[3] = { ct.widen('-'), np.thousands_sep(), CharT() };
-
-    if(str.find(prefix) != 0)
-        return str;
-
-    prefix[1] = CharT();
-    str.replace(0, 2, prefix);
-    return str;
-}
-
-template<class CharT, class T>
-std::basic_string<CharT> to_str(T t)
-{
-    std::basic_ostringstream<CharT> o;
-    o << t;
-    return to_str_gcc_workaround(o.str());
-}
-
-template<class T, class CharT>
-void test_conversion_from_integral_to_char(CharT zero)
-{
-    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(0)) == zero + 0);
-    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(1)) == zero + 1);
-    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(2)) == zero + 2);
-    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(3)) == zero + 3);
-    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(4)) == zero + 4);
-    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(5)) == zero + 5);
-    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(6)) == zero + 6);
-    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(7)) == zero + 7);
-    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(8)) == zero + 8);
-    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(9)) == zero + 9);
-
-    BOOST_CHECK_THROW(lexical_cast<CharT>(static_cast<T>(10)), bad_lexical_cast);
-
-    T t = (std::numeric_limits<T>::max)();
-    BOOST_CHECK_THROW(lexical_cast<CharT>(t), bad_lexical_cast);
-}
-
-template<class T>
-void test_conversion_from_integral_to_integral()
-{
-    T t = 0;
-    BOOST_CHECK(lexical_cast<T>(t) == t);
-
-    // Next two variables are used to supress warnings.
-    int st = 32767; unsigned int ut = st;
-    t = st;
-    BOOST_CHECK(lexical_cast<short>(t) == st);
-    BOOST_CHECK(lexical_cast<unsigned short>(t) == ut);
-    BOOST_CHECK(lexical_cast<int>(t) == st);
-    BOOST_CHECK(lexical_cast<unsigned int>(t) == ut);
-    BOOST_CHECK(lexical_cast<long>(t) == st);
-    BOOST_CHECK(lexical_cast<unsigned long>(t) == ut);
-
-    t = (std::numeric_limits<T>::max)();
-    BOOST_CHECK(lexical_cast<T>(t) == t);
-
-    t = (std::numeric_limits<T>::min)();
-    BOOST_CHECK(lexical_cast<T>(t) == t);
-}
-
-template<class T, class CharT>
-void test_conversion_from_integral_to_string(CharT)
-{
-    typedef std::numeric_limits<T> limits;
-    typedef std::basic_string<CharT> string_type;
-
-    T t;
-
-    t = (limits::min)();
-    BOOST_CHECK(lexical_cast<string_type>(t) == to_str<CharT>(t));
-
-    t = (limits::max)();
-    BOOST_CHECK(lexical_cast<string_type>(t) == to_str<CharT>(t));
-
-    if(limits::digits <= 16 && lcast_test_small_integral_types_completely)
-        // min and max have already been tested.
-        for(t = 1 + (limits::min)(); t != (limits::max)(); ++t)
-            BOOST_CHECK(lexical_cast<string_type>(t) == to_str<CharT>(t));
-    else
-    {
-        T const min_val = (limits::min)();
-        T const max_val = (limits::max)();
-        T const half_max_val = max_val / 2;
-        T const cnt = lcast_integral_test_counter; // to supress warnings
-        unsigned int const counter = cnt < half_max_val ? cnt : half_max_val;
-
-        unsigned int i;
-
-        // Test values around min:
-        t = min_val;
-        for(i = 0; i < counter; ++i, ++t)
-            BOOST_CHECK(lexical_cast<string_type>(t) == to_str<CharT>(t));
-
-        // Test values around max:
-        t = max_val;
-        for(i = 0; i < counter; ++i, --t)
-            BOOST_CHECK(lexical_cast<string_type>(t) == to_str<CharT>(t));
-
-        // Test values around zero:
-        if(limits::is_signed)
-            for(t = -counter; t < static_cast<T>(counter); ++t)
-                BOOST_CHECK(lexical_cast<string_type>(t) == to_str<CharT>(t));
-
-        // Test values around 100, 1000, 10000, ...
-        T ten_power = 100;
-        for(int e = 2; e <= limits::digits10; ++e, ten_power *= 10)
-        {
-            // ten_power + 100 probably never overflows
-            for(t = ten_power - 100; t != ten_power + 100; ++t)
-                BOOST_CHECK(lexical_cast<string_type>(t) == to_str<CharT>(t));
-        }
-    }
-}
-
-template<class T, class CharT>
-void test_conversion_from_string_to_integral(CharT)
-{
-    typedef std::numeric_limits<T> limits;
-    typedef std::basic_string<CharT> string_type;
-
-    string_type s;
-    string_type const zero = to_str<CharT>(0);
-    string_type const nine = to_str<CharT>(9);
-    T const min_val = (limits::min)();
-    T const max_val = (limits::max)();
-
-    s = to_str<CharT>(min_val);
-    BOOST_CHECK_EQUAL(lexical_cast<T>(s), min_val);
-    if(limits::is_signed)
-    {
-#if defined(BOOST_MSVC) && BOOST_MSVC == 1400
-        // VC++ 8.0 bug, see libs/conversion/test/lexical_cast_vc8_bug_test.cpp
-        if(sizeof(T) < sizeof(boost::intmax_t))
-#endif
-        {
-            BOOST_CHECK_THROW(lexical_cast<T>(s + zero), bad_lexical_cast);
-            BOOST_CHECK_THROW(lexical_cast<T>(s + nine), bad_lexical_cast);
-        }
-    }
-
-    s = to_str<CharT>(max_val);
-    BOOST_CHECK_EQUAL(lexical_cast<T>(s), max_val);
-#if defined(BOOST_MSVC) && BOOST_MSVC == 1400
-    // VC++ 8.0 bug, see libs/conversion/test/lexical_cast_vc8_bug_test.cpp
-    if(sizeof(T) != sizeof(boost::intmax_t))
-#endif
-    {
-        BOOST_CHECK_THROW(lexical_cast<T>(s + zero), bad_lexical_cast);
-        BOOST_CHECK_THROW(lexical_cast<T>(s + nine), bad_lexical_cast);
-    }
-
-    if(limits::digits <= 16 && lcast_test_small_integral_types_completely)
-        // min and max have already been tested.
-        for(T t = 1 + min_val; t != max_val; ++t)
-            BOOST_CHECK(lexical_cast<T>(to_str<CharT>(t)) == t);
-    else
-    {
-        T const half_max_val = max_val / 2;
-        T const cnt = lcast_integral_test_counter; // to supress warnings
-        unsigned int const counter = cnt < half_max_val ? cnt : half_max_val;
-
-        T t;
-        unsigned int i;
-
-        // Test values around min:
-        t = min_val;
-        for(i = 0; i < counter; ++i, ++t)
-            BOOST_CHECK(lexical_cast<T>(to_str<CharT>(t)) == t);
-
-        // Test values around max:
-        t = max_val;
-        for(i = 0; i < counter; ++i, --t)
-            BOOST_CHECK(lexical_cast<T>(to_str<CharT>(t)) == t);
-
-        // Test values around zero:
-        if(limits::is_signed)
-            for(t = -counter; t < static_cast<T>(counter); ++t)
-                BOOST_CHECK(lexical_cast<T>(to_str<CharT>(t)) == t);
-
-        // Test values around 100, 1000, 10000, ...
-        T ten_power = 100;
-        for(int e = 2; e <= limits::digits10; ++e, ten_power *= 10)
-        {
-            // ten_power + 100 probably never overflows
-            for(t = ten_power - 100; t != ten_power + 100; ++t)
-                BOOST_CHECK(lexical_cast<T>(to_str<CharT>(t)) == t);
-        }
-    }
-}
-
-template<class T>
-void test_conversion_from_to_integral_for_locale()
-{
-    test_conversion_from_integral_to_integral<T>();
-    test_conversion_from_integral_to_string<T>('0');
-    test_conversion_from_string_to_integral<T>('0');
-#if !defined(BOOST_LCAST_NO_WCHAR_T)
-    test_conversion_from_integral_to_string<T>(L'0');
-    test_conversion_from_string_to_integral<T>(L'0');
-#endif
-}
-
-struct restore_oldloc
-{
-    std::locale oldloc;
-    ~restore_oldloc() { std::locale::global(oldloc); }
-};
-
-template<class T>
-void test_conversion_from_to_integral()
-{
-    char const zero = '0';
-    signed char const szero = '0';
-    unsigned char const uzero = '0';
-    test_conversion_from_integral_to_char<T>(zero);
-    test_conversion_from_integral_to_char<T>(szero);
-    test_conversion_from_integral_to_char<T>(uzero);
-#if !defined(BOOST_LCAST_NO_WCHAR_T) && !defined(BOOST_NO_INTRINSIC_WCHAR_T)
-    wchar_t const wzero = L'0';
-    test_conversion_from_integral_to_char<T>(wzero);
-#endif
-
-    // test_conversion_from_to_integral_for_locale
-
-    typedef std::numpunct<char> numpunct;
-
-    restore_oldloc guard;
-    std::locale const& oldloc = guard.oldloc;
-
-    std::string grouping1 = BOOST_USE_FACET(numpunct, oldloc).grouping();
-    std::string grouping2(grouping1);
-
-    test_conversion_from_to_integral_for_locale<T>();
-
-    try
-    {
-        std::locale newloc("");
-        std::locale::global(newloc);
-
-        grouping2 = BOOST_USE_FACET(numpunct, newloc).grouping();
-    }
-    catch(std::exception const& ex)
-    {
-        std::string msg("Failed to set system locale: ");
-        msg += ex.what();
-        BOOST_TEST_MESSAGE(msg);
-    }
-
-    if(grouping1 != grouping2)
-        test_conversion_from_to_integral_for_locale<T>();
-
-    if(grouping1.empty() && grouping2.empty())
-        BOOST_TEST_MESSAGE("Formatting with thousands_sep has not been tested");
-}
-
-void test_conversion_from_to_short()
-{
-    test_conversion_from_to_integral<short>();
-}
-
-void test_conversion_from_to_ushort()
-{
-    test_conversion_from_to_integral<unsigned short>();
-}
-
-void test_conversion_from_to_int()
-{
-    test_conversion_from_to_integral<int>();
-}
-
-void test_conversion_from_to_uint()
-{
-    test_conversion_from_to_integral<unsigned int>();
-}
-
-void test_conversion_from_to_long()
-{
-    test_conversion_from_to_integral<long>();
-}
-
-void test_conversion_from_to_ulong()
-{
-    test_conversion_from_to_integral<unsigned long>();
-}
-
-void test_conversion_from_to_intmax_t()
-{
-    test_conversion_from_to_integral<boost::intmax_t>();
-}
-
-void test_conversion_from_to_uintmax_t()
-{
-    test_conversion_from_to_integral<boost::uintmax_t>();
-}
-
-#if defined(BOOST_HAS_LONG_LONG)
-
-void test_conversion_from_to_longlong()
-{
-    test_conversion_from_to_integral<boost::long_long_type>();
-}
-
-void test_conversion_from_to_ulonglong()
-{
-    test_conversion_from_to_integral<boost::ulong_long_type>();
-}
-
-#elif defined(LCAST_TEST_LONGLONG)
-
-void test_conversion_from_to_longlong()
-{
-    test_conversion_from_to_integral<__int64>();
-}
-
-void test_conversion_from_to_ulonglong()
-{
-    test_conversion_from_to_integral<unsigned __int64>();
-}
-
-#endif
-
-#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
-void test_traits()
-{
-    typedef std::basic_string<char, my_traits<char> > my_string;
-
-    my_string const s("s");
-    BOOST_CHECK(boost::lexical_cast<char>(s) == s[0]);
-    BOOST_CHECK(boost::lexical_cast<my_string>(s) == s);
-    BOOST_CHECK(boost::lexical_cast<my_string>(-1) == "-1");
-}
-
-void test_wtraits()
-{
-    typedef std::basic_string<wchar_t, my_traits<wchar_t> > my_string;
-
-    my_string const s(L"s");
-    BOOST_CHECK(boost::lexical_cast<wchar_t>(s) == s[0]);
-    BOOST_CHECK(boost::lexical_cast<my_string>(s) == s);
-    //BOOST_CHECK(boost::lexical_cast<my_string>(-1) == L"-1");
-    // Commented out because gcc 3.3 doesn't support this:
-    // basic_ostream<wchar_t, my_traits<wchar_t> > o; o << -1;
-}
-
-void test_allocator()
-{
-    typedef std::basic_string< char
-                             , std::char_traits<char>
-                             , my_allocator<char>
-                             > my_string;
-
-    my_string s("s");
-    BOOST_CHECK(boost::lexical_cast<char>(s) == s[0]);
-    BOOST_CHECK(boost::lexical_cast<std::string>(s) == "s");
-    BOOST_CHECK(boost::lexical_cast<my_string>(s) == s);
-    BOOST_CHECK(boost::lexical_cast<my_string>(1) == "1");
-    BOOST_CHECK(boost::lexical_cast<my_string>("s") == s);
-    BOOST_CHECK(boost::lexical_cast<my_string>(std::string("s")) == s);
-}
-
-void test_wallocator()
-{
-    typedef std::basic_string< wchar_t
-                             , std::char_traits<wchar_t>
-                             , my_allocator<wchar_t>
-                             > my_string;
-
-    my_string s(L"s");
-    BOOST_CHECK(boost::lexical_cast<wchar_t>(s) == s[0]);
-    BOOST_CHECK(boost::lexical_cast<std::wstring>(s) == L"s");
-    BOOST_CHECK(boost::lexical_cast<my_string>(s) == s);
-    BOOST_CHECK(boost::lexical_cast<my_string>(1) == L"1");
-    BOOST_CHECK(boost::lexical_cast<my_string>(L"s") == s);
-    BOOST_CHECK(boost::lexical_cast<my_string>(std::wstring(L"s")) == s);
-}
-
-#endif
-

meta/libraries.json

@@ -0,0 +1,16 @@
+{
+    "key": "conversion",
+    "name": "Conversion",
+    "authors": [
+        "Dave Abrahams",
+        "Kevlin Henney"
+    ],
+    "description": "Polymorphic casts.",
+    "category": [
+        "Miscellaneous"
+    ],
+    "maintainers": [
+        "Antony Polukhin <antoshkka -at- gmail.com>"
+    ],
+    "cxxstd": "03"
+}

numeric_cast_test.cpp

@@ -1,100 +0,0 @@
-//  boost utility cast test program  -----------------------------------------//
-
-//  (C) Copyright Beman Dawes, Dave Abrahams 1999. 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)
-
-//  See http://www.boost.org for most recent version including documentation.
-
-//  Revision History
-//   28 Set 04  factored out numeric_cast<> test (Fernando Cacciola)
-//   20 Jan 01  removed use of <limits> for portability to raw GCC (David Abrahams)
-//   28 Jun 00  implicit_cast removed (Beman Dawes)
-//   30 Aug 99  value_cast replaced by numeric_cast
-//    3 Aug 99  Initial Version
-
-#include <iostream>
-#include <climits>
-#include <cfloat>   // for DBL_MAX (Peter Schmid)
-#include <boost/cast.hpp>
-
-#include "boost/test/minimal.hpp"
-
-#  if SCHAR_MAX == LONG_MAX
-#      error "This test program doesn't work if SCHAR_MAX == LONG_MAX"
-#  endif
-
-using namespace boost;
-using std::cout;
-
-
-int test_main( int argc, char * argv[] )
-{
-
-#   ifdef NDEBUG
-        cout << "NDEBUG is defined\n";
-#   else
-        cout << "NDEBUG is not defined\n";
-#   endif
-
-    cout << "\nBeginning tests...\n";
-
-//  test implicit_cast and numeric_cast  -------------------------------------//
-
-    //  tests which should succeed
-    long small_value = 1;
-    long small_negative_value = -1;
-    long large_value = LONG_MAX;
-    long large_negative_value = LONG_MIN;
-    signed char c = 0;
-
-    c = large_value;  // see if compiler generates warning
-
-    c = numeric_cast<signed char>( small_value );
-    BOOST_CHECK( c == 1 );
-    c = 0;
-    c = numeric_cast<signed char>( small_value );
-    BOOST_CHECK( c == 1 );
-    c = 0;
-    c = numeric_cast<signed char>( small_negative_value );
-    BOOST_CHECK( c == -1 );
-
-    // These tests courtesy of Joe R NWP Swatosh<joe.r.swatosh@usace.army.mil>
-    BOOST_CHECK( 0.0f == numeric_cast<float>( 0.0 ) );
-    BOOST_CHECK( 0.0 == numeric_cast<double>( 0.0 ) );
-
-    //  tests which should result in errors being detected
-
-    bool caught_exception = false;
-    try { c = numeric_cast<signed char>( large_value ); }
-    catch (bad_numeric_cast)
-        { cout<<"caught bad_numeric_cast #1\n"; caught_exception = true; }
-    BOOST_CHECK ( caught_exception );
-
-    caught_exception = false;
-    try { c = numeric_cast<signed char>( large_negative_value ); }
-    catch (bad_numeric_cast)
-        { cout<<"caught bad_numeric_cast #2\n"; caught_exception = true; }
-    BOOST_CHECK ( caught_exception );
-
-    unsigned long ul;
-    caught_exception = false;
-    try { ul = numeric_cast<unsigned long>( large_negative_value ); }
-    catch (bad_numeric_cast)
-        { cout<<"caught bad_numeric_cast #3\n"; caught_exception = true; }
-    BOOST_CHECK ( caught_exception );
-
-    caught_exception = false;
-    try { ul = numeric_cast<unsigned long>( small_negative_value ); }
-    catch (bad_numeric_cast)
-        { cout<<"caught bad_numeric_cast #4\n"; caught_exception = true; }
-    BOOST_CHECK ( caught_exception );
-
-    caught_exception = false;
-    try { numeric_cast<int>( DBL_MAX ); }
-    catch (bad_numeric_cast)
-        { cout<<"caught bad_numeric_cast #5\n"; caught_exception = true; }
-    BOOST_CHECK ( caught_exception );
-
-    return 0 ;
-}

test.hpp

@@ -1,308 +0,0 @@
-// what:  simple unit test framework
-// who:   developed by Kevlin Henney
-// when:  November 2000
-// where: tested with BCC 5.5, MSVC 6.0, and g++ 2.91
-//
-// ChangeLog:
-//      20 Jan 2001 - Fixed a warning for MSVC (Dave Abrahams)
-
-#ifndef TEST_INCLUDED
-#define TEST_INCLUDED
-
-#include <exception>
-#include <iostream>
-#include <strstream> // for out-of-the-box g++
-#include <string>
-
-namespace test // test tuple comprises name and nullary function (object)
-{
-    template<typename string_type, typename function_type>
-    struct test
-    {
-        string_type   name;
-        function_type action;
-
-        static test make(string_type name, function_type action)
-        {
-            test result; // MSVC aggreggate initializer bugs
-            result.name   = name;
-            result.action = action;
-            return result;
-        }
-    };
-}
-
-namespace test // failure exception used to indicate checked test failures
-{
-    class failure : public std::exception
-    {
-    public: // struction (default cases are OK)
-
-        failure(const std::string & why)
-          : reason(why)
-        {
-        }
-
-        // std::~string has no exception-specification (could throw anything),
-        // but we need to be compatible with std::~exception's empty one
-        // see std::15.4p13 and std::15.4p3
-        ~failure() throw()
-        {
-        }
-
-    public: // usage
-
-        virtual const char * what() const throw()
-        {
-            return reason.c_str();
-        }
-
-    private: // representation
-
-        std::string reason;
-
-    };
-}
-
-namespace test // not_implemented exception used to mark unimplemented tests
-{
-    class not_implemented : public std::exception
-    {
-    public: // usage (default ctor and dtor are OK)
-
-        virtual const char * what() const throw()
-        {
-            return "not implemented";
-        }
-
-    };
-}
-
-namespace test // test utilities
-{
-    inline void check(bool condition, const std::string & description)
-    {
-        if(!condition)
-        {
-            throw failure(description);
-        }
-    }
-
-    inline void check_true(bool value, const std::string & description)
-    {
-        check(value, "expected true: " + description);
-    }
-
-    inline void check_false(bool value, const std::string & description)
-    {
-        check(!value, "expected false: " + description);
-    }
-
-    template<typename lhs_type, typename rhs_type>
-    void check_equal(
-        const lhs_type & lhs, const rhs_type & rhs,
-        const std::string & description)
-    {
-        check(lhs == rhs, "expected equal values: " + description);
-    }
-
-    template<typename lhs_type, typename rhs_type>
-    void check_unequal(
-        const lhs_type & lhs, const rhs_type & rhs,
-        const std::string & description)
-    {
-        check(lhs != rhs, "expected unequal values: " + description);
-    }
-
-    inline void check_null(const void* ptr, const std::string & description)
-    {
-        check(!ptr, "expected null pointer: " + description);
-    }
-
-    inline void check_non_null(const void* ptr, const std::string & description)
-    {
-        check(ptr != 0, "expected non-null pointer: " + description);
-    }
-}
-
-#define TEST_CHECK_THROW(expression, exception, description) \
-    try \
-    { \
-        expression; \
-        throw ::test::failure(description); \
-    } \
-    catch(exception &) \
-    { \
-    }
-
-namespace test // memory tracking (enabled if test new and delete linked in)
-{
-    class allocations
-    {
-    public: // singleton access
-
-        static allocations & instance()
-        {
-            static allocations singleton;
-            return singleton;
-        }
-
-    public: // logging
-
-        void clear()
-        {
-            alloc_count = dealloc_count = 0;
-        }
-
-        void allocation()
-        {
-            ++alloc_count;
-        }
-
-        void deallocation()
-        {
-            ++dealloc_count;
-        }
-
-    public: // reporting
-
-        unsigned long allocated() const
-        {
-            return alloc_count;
-        }
-
-        unsigned long deallocated() const
-        {
-            return dealloc_count;
-        }
-
-        bool balanced() const
-        {
-            return alloc_count == dealloc_count;
-        }
-
-    private: // structors (default dtor is fine)
-    
-        allocations()
-          : alloc_count(0), dealloc_count(0)
-        {
-        }
-
-    private: // prevention
-
-        allocations(const allocations &);
-        allocations & operator=(const allocations &);
-
-    private: // state
-
-        unsigned long alloc_count, dealloc_count;
-
-    };
-}
-
-namespace test // tester is the driver class for a sequence of tests
-{
-    template<typename test_iterator>
-    class tester
-    {
-    public: // structors (default destructor is OK)
-
-        tester(test_iterator first_test, test_iterator after_last_test)
-          : begin(first_test), end(after_last_test)
-        {
-        }
-
-    public: // usage
-
-        bool operator()(); // returns true if all tests passed
-
-    private: // representation
-
-        test_iterator begin, end;
-
-    private: // prevention
-
-        tester(const tester &);
-        tester &operator=(const tester &);
-
-    };
-
-    template<typename test_iterator>
-    bool tester<test_iterator>::operator()()
-    {
-        using namespace std;
-
-        unsigned long passed = 0, failed = 0, unimplemented = 0;
-
-        for(test_iterator current = begin; current != end; ++current)
-        {
-            cerr << "[" << current->name << "] " << flush;
-            string result = "passed"; // optimistic
-
-            try
-            {
-                allocations::instance().clear();
-                current->action();
-
-                if(!allocations::instance().balanced())
-                {
-                    unsigned long allocated   = allocations::instance().allocated();
-                    unsigned long deallocated = allocations::instance().deallocated();
-                    ostrstream report;
-                    report << "new/delete ("
-                           << allocated << " allocated, "
-                           << deallocated << " deallocated)"
-                           << ends;
-                    const char * text = report.str();
-                    report.freeze(false);
-                    throw failure(text);
-                }
-
-                ++passed;
-            }
-            catch(const failure & caught)
-            {
-                (result = "failed: ") += caught.what();
-                ++failed;
-            }
-            catch(const not_implemented &)
-            {
-                result = "not implemented";
-                ++unimplemented;
-            }
-            catch(const exception & caught)
-            {
-                (result = "exception: ") += caught.what();
-                ++failed;
-            }
-            catch(...)
-            {
-                result = "failed with unknown exception";
-                ++failed;
-            }
-
-            cerr << result << endl;
-        }
-
-        cerr << passed + failed << " tests: "
-             << passed << " passed, "
-             << failed << " failed";
-
-        if(unimplemented)
-        {
-            cerr << " (" << unimplemented << " not implemented)";
-        }
-
-        cerr << endl;
-
-        return failed == 0;
-    }
-}
-
-#endif
-
-// Copyright Kevlin Henney, 2000. All rights reserved.
-//
-// 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)

test/Jamfile.v2

@@ -1,30 +1,29 @@
-# Signals library
-
 # Copyright (C) 2001-2003 Douglas Gregor
+# Copyright (C) Antony Polukhin, 2011-2022
+#
+# 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)
+#
 
-# Permission to copy, use, sell and distribute this software is granted 
-# provided this copyright notice appears in all copies. Permission to modify 
-# the code and to distribute modified code is granted provided this copyright 
-# notice appears in all copies, and a notice that the code was modified is 
-# included with the copyright notice. This software is provided "as is" 
-# without express or implied warranty, and with no claim as to its suitability 
-# for any purpose. 
-
-# For more information, see http://www.boost.org/
-
-# bring in rules for testing
 import testing ;
+import feature ;
+
+project
+    : requirements
+        <toolset>gcc-4.7:<cxxflags>-ftrapv
+        <toolset>gcc-4.6:<cxxflags>-ftrapv
+        <toolset>clang:<cxxflags>-ftrapv
+        # default to all warnings on:
+        <warnings>all
+        # set warnings as errors for those compilers we know we get warning free:
+        <toolset>gcc:<cxxflags>-Wextra
+        <toolset>gcc:<cxxflags>-Wno-uninitialized
+    ;
 
 test-suite conversion
   : [ run implicit_cast.cpp ]
     [ compile-fail implicit_cast_fail.cpp ]
-    [ run ../cast_test.cpp ]
-    [ run ../numeric_cast_test.cpp ]    
-    [ run ../lexical_cast_test.cpp ../../test/build//boost_unit_test_framework/<link>static ]
-    [ run lexical_cast_loopback_test.cpp ../../test/build//boost_unit_test_framework/<link>static ]
-    [ run lexical_cast_abstract_test.cpp ../../test/build//boost_unit_test_framework/<link>static ]
-    [ run lexical_cast_noncopyable_test.cpp ../../test/build//boost_unit_test_framework/<link>static ]
-    [ run lexical_cast_vc8_bug_test.cpp ../../test/build//boost_unit_test_framework/<link>static ]
+    [ run cast_test.cpp ]
+    [ run polymorphic_cast_test.cpp ]
+    [ compile-fail implicit_cast_fail2.cpp ]
   ;
-
-      

test/appveyor.yml

@@ -0,0 +1,90 @@
+# Use, modification, and distribution are
+# subject to 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)
+#
+# Copyright Antony Polukhin, 2016-2022.
+
+#
+# See https://svn.boost.org/trac/boost/wiki/TravisCoverals for description of this file
+# and how it can be used with Boost libraries.
+#
+# File revision #6
+
+init:
+    # boost-local/libs/ folder to put this library into. This may be useful, if you're for example running Travis
+    # from `Boost.DLL` repo while Boost already has `dll` and with to replace `dll` with content of`Boost.DLL`.
+    #
+    # Otherwise just leave the default value - set BOOST_LIBS_FOLDER=%APPVEYOR_PROJECT_NAME%
+    - set BOOST_LIBS_FOLDER=%APPVEYOR_PROJECT_NAME%
+
+###############################################################################################################
+# From this point and below code is same for all the Boost libs
+###############################################################################################################
+
+version: 1.71.{build}-{branch}
+ 
+# branches to build
+branches:
+  except:
+    - gh-pages
+
+skip_tags: true
+
+environment:
+  matrix:
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      TOOLSET: msvc-9.0,msvc-10.0,msvc-11.0,msvc-12.0
+      ADDRMD: 32
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      TOOLSET: msvc-14.1,clang-win
+      CXXSTD: 14,17
+      ADDRMD: 32,64
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      ADDPATH: C:\cygwin\bin;
+      TOOLSET: gcc
+      CXXSTD: 03,11,14,1z
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      ADDPATH: C:\cygwin64\bin;
+      TOOLSET: gcc
+      CXXSTD: 03,11,14,1z
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      ADDPATH: C:\mingw\bin;
+      TOOLSET: gcc
+      CXXSTD: 03,11,14,1z
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      ADDPATH: C:\mingw-w64\x86_64-7.2.0-posix-seh-rt_v5-rev1\mingw64\bin;
+      TOOLSET: gcc
+      CXXSTD: 03,11,14,1z
+
+before_build:
+    - set BOOST_BRANCH=develop
+    - if "%APPVEYOR_REPO_BRANCH%" == "master" set BOOST_BRANCH=master
+    - echo "Testing %APPVEYOR_PROJECT_NAME%"
+    # Cloning Boost libraries (fast nondeep cloning)
+    - set BOOST=C:/boost-local
+    - git clone -b %BOOST_BRANCH% --depth 10 https://github.com/boostorg/boost.git %BOOST%
+    - cd %BOOST%
+    - git submodule update --init --depth 10 tools/build tools/boostdep
+
+    - rm -rf %BOOST%/libs/%BOOST_LIBS_FOLDER%
+    - mv -f %APPVEYOR_BUILD_FOLDER% %BOOST%/libs/%BOOST_LIBS_FOLDER%
+    - python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 2" %BOOST_LIBS_FOLDER%
+
+build_script:
+    - cmd /c bootstrap
+    - b2.exe headers
+    - cd %BOOST%/libs/%BOOST_LIBS_FOLDER%/test
+
+after_build:
+before_test:
+test_script:
+  - PATH=%ADDPATH%%PATH%
+  - if not "%CXXSTD%" == "" set CXXSTD=cxxstd=%CXXSTD%
+  - if not "%ADDRMD%" == "" set ADDRMD=address-model=%ADDRMD%
+  - echo "Running command ..\..\..\b2 -j3 toolset=%TOOLSET% %CXXSTD% %ADDRMD% variant=debug,release"
+  - ..\..\..\b2.exe -j3 toolset=%TOOLSET% %CXXSTD% %ADDRMD% variant=debug,release cxxflags="-DBOOST_TRAVISCI_BUILD"
+
+after_test:
+on_success:
+on_failure:
+on_finish:

test/cast_test.cpp

@@ -14,13 +14,8 @@
 //    3 Aug 99  Initial Version
 
 #include <iostream>
-#include <climits>
-#include <cfloat>   // for DBL_MAX (Peter Schmid)
-#include <boost/cast.hpp>
-
-#  if SCHAR_MAX == LONG_MAX
-#      error "This test program doesn't work if SCHAR_MAX == LONG_MAX"
-#  endif
+#include <boost/polymorphic_cast.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 using namespace boost;
 using std::cout;
@@ -57,35 +52,31 @@ int main( int argc, char * argv[] )
 //  test polymorphic_cast  ---------------------------------------------------//
 
     //  tests which should succeed
-    Base *    base = new Derived;
-    Base2 *   base2 = 0;
-    Derived * derived = 0;
-    derived = polymorphic_downcast<Derived*>( base );  // downcast
-    assert( derived->kind() == 'D' );
+    Derived derived_instance;
+    Base * base = &derived_instance;
+    Derived * derived = polymorphic_downcast<Derived*>( base );  // downcast
+    BOOST_TEST( derived->kind() == 'D' );
 
-    derived = 0;
     derived = polymorphic_cast<Derived*>( base ); // downcast, throw on error
-    assert( derived->kind() == 'D' );
+    BOOST_TEST( derived->kind() == 'D' );
 
-    base2 = polymorphic_cast<Base2*>( base ); // crosscast
-    assert( base2->kind2() == '2' );
+    Base2 *   base2 =  polymorphic_cast<Base2*>( base ); // crosscast
+    BOOST_TEST( base2->kind2() == '2' );
 
      //  tests which should result in errors being detected
-    int err_count = 0;
-    base = new Base;
+    Base base_instance;
+    base = &base_instance;
 
     if ( argc > 1 && *argv[1] == '1' )
         { derived = polymorphic_downcast<Derived*>( base ); } // #1 assert failure
 
     bool caught_exception = false;
     try { derived = polymorphic_cast<Derived*>( base ); }
-    catch (std::bad_cast)
+    catch (const std::bad_cast&)
         { cout<<"caught bad_cast\n"; caught_exception = true; }
-    if ( !caught_exception ) ++err_count;
+    BOOST_TEST( caught_exception );
     //  the following is just so generated code can be inspected
-    if ( derived->kind() == 'B' ) ++err_count;
+    BOOST_TEST( derived->kind() != 'B' );
 
-    cout << err_count << " errors detected\nTest "
-         << (err_count==0 ? "passed\n" : "failed\n");
-    return err_count;
+    return boost::report_errors();
 }   // main

test/implicit_cast.cpp

@@ -28,5 +28,15 @@ int main()
 
     type<foo> f = check_return(boost::implicit_cast<foo>("hello"));
     type<long> z = check_return(boost::implicit_cast<long>(foo("hello")));
+
+    // warning suppression:
+    (void)x;
+    (void)f;
+    (void)z;
+
+
+    BOOST_CONSTEXPR long value = boost::implicit_cast<long>(42);
+    BOOST_TEST(value == 42L);
+
     return boost::report_errors();
 }

test/implicit_cast_fail.cpp

@@ -4,10 +4,6 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 
 #include <boost/implicit_cast.hpp>
-#include <boost/type.hpp>
-
-#define BOOST_INCLUDE_MAIN
-#include <boost/test/test_tools.hpp>
 
 using boost::implicit_cast;
 
@@ -16,7 +12,9 @@ struct foo
     explicit foo(char const*) {}
 };
 
-int test_main(int, char*[])
+int main()
 {
     foo x = implicit_cast<foo>("foobar");
+    (void)x;            // warning suppression.
+    return 0;
 }

test/implicit_cast_fail2.cpp

@@ -0,0 +1,19 @@
+//
+// Test that implicit_cast requires a template argument
+//
+// Copyright 2014 Peter Dimov
+//
+// 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/implicit_cast.hpp>
+
+int main()
+{
+    int x = boost::implicit_cast( 1 );
+    (void)x;
+
+    return 0;
+}

test/lexical_cast_abstract_test.cpp

@@ -1,61 +0,0 @@
-//  Unit test for boost::lexical_cast.
-//
-//  See http://www.boost.org for most recent version, including documentation.
-//
-//  Copyright Sergey Shandar 2005, Alexander Nasonov, 2007.
-//
-//  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).
-//
-// Test abstract class. Bug 1358600:
-// http://sf.net/tracker/?func=detail&aid=1358600&group_id=7586&atid=107586
-
-#include <boost/config.hpp>
-
-#if defined(__INTEL_COMPILER)
-#pragma warning(disable: 193 383 488 981 1418 1419)
-#elif defined(BOOST_MSVC)
-#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
-#endif
-
-#include <boost/lexical_cast.hpp>
-#include <boost/test/unit_test.hpp>
-
-using namespace boost;
-
-void test_abstract();
-
-unit_test::test_suite *init_unit_test_suite(int, char *[])
-{
-    unit_test_framework::test_suite *suite =
-        BOOST_TEST_SUITE("lexical_cast unit test");
-    suite->add(BOOST_TEST_CASE(&test_abstract));
-
-    return suite;
-}
-
-class A
-{
-public:
-    virtual void out(std::ostream &) const = 0;
-};
-
-class B: public A
-{
-public:
-    virtual void out(std::ostream &O) const { O << "B"; }
-};
-
-std::ostream &operator<<(std::ostream &O, const A &a)
-{
-    a.out(O);
-    return O;
-};
-
-void test_abstract()
-{
-    const A &a = B();
-    BOOST_CHECK(boost::lexical_cast<std::string>(a) == "B");
-}
-

test/lexical_cast_loopback_test.cpp

@@ -1,98 +0,0 @@
-//  Unit test for boost::lexical_cast.
-//
-//  See http://www.boost.org for most recent version, including documentation.
-//
-//  Copyright Alexander Nasonov, 2006.
-//
-//  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).
-//
-//  Test round-tripping conversion FPT -> string -> FPT,
-//  where FPT is Floating Point Type.
-
-#include <boost/config.hpp>
-
-#if defined(__INTEL_COMPILER)
-#pragma warning(disable: 193 383 488 981 1418 1419)
-#elif defined(BOOST_MSVC)
-#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
-#endif
-
-#include <boost/lexical_cast.hpp>
-#include <boost/test/unit_test.hpp>
-
-using namespace boost;
-
-void test_round_conversion_float();
-void test_round_conversion_double();
-void test_round_conversion_long_double();
-
-unit_test::test_suite *init_unit_test_suite(int, char *[])
-{
-    unit_test_framework::test_suite *suite =
-        BOOST_TEST_SUITE("lexical_cast unit test");
-    suite->add(BOOST_TEST_CASE(&test_round_conversion_float));
-    suite->add(BOOST_TEST_CASE(&test_round_conversion_double));
-    suite->add(BOOST_TEST_CASE(&test_round_conversion_long_double));
-
-    return suite;
-}
-
-template<class T>
-void test_round_conversion()
-{
-    T epsilon = std::numeric_limits<T>::epsilon();
-    std::string const epsilon_s = boost::lexical_cast<std::string>(epsilon);
-    BOOST_CHECK(epsilon == lexical_cast<T>(epsilon_s));
-
-    T max_ = (std::numeric_limits<T>::max)();
-    std::string const max_s = boost::lexical_cast<std::string>(max_);
-    BOOST_CHECK(max_ == lexical_cast<T>(max_s));
-
-    T min_ = (std::numeric_limits<T>::min)();
-    std::string const min_s = boost::lexical_cast<std::string>(min_);
-    BOOST_CHECK(min_ == lexical_cast<T>(min_s));
-
-    T max_div137 = max_ / 137;
-    std::string max_div137_s = boost::lexical_cast<std::string>(max_div137);
-    BOOST_CHECK(max_div137 == lexical_cast<T>(max_div137_s));
-
-    T epsilon_mult137 = epsilon * 137;
-    std::string epsilon_mult137_s(lexical_cast<std::string>(epsilon_mult137));
-    BOOST_CHECK(epsilon_mult137 == lexical_cast<T>(epsilon_mult137_s));
-
-}
-
-#if defined(BOOST_MSVC)
-// See bug http://tinyurl.com/vhpvo
-template<class T>
-void test_msvc_magic_values()
-{
-    T magic_msvc = 0.00010000433948393407;
-    std::string magic_msvc_s = boost::lexical_cast<std::string>(magic_msvc);
-    BOOST_CHECK(magic_msvc == lexical_cast<T>(magic_msvc_s));
-}
-#endif
-
-void test_round_conversion_float()
-{
-    test_round_conversion<float>();
-}
-
-void test_round_conversion_double()
-{
-    test_round_conversion<double>();
-#if defined(BOOST_MSVC)
-    test_msvc_magic_values<double>();
-#endif
-}
-
-void test_round_conversion_long_double()
-{
-    test_round_conversion<long double>();
-#if defined(BOOST_MSVC)
-    test_msvc_magic_values<long double>();
-#endif
-}
-

test/lexical_cast_noncopyable_test.cpp

@@ -1,54 +0,0 @@
-//  Unit test for boost::lexical_cast.
-//
-//  See http://www.boost.org for most recent version, including documentation.
-//
-//  Copyright Alexander Nasonov, 2007.
-//
-//  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).
-//
-//  Test that Source can be non-copyable.
-
-#include <boost/config.hpp>
-
-#if defined(__INTEL_COMPILER)
-#pragma warning(disable: 193 383 488 981 1418 1419)
-#elif defined(BOOST_MSVC)
-#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
-#endif
-
-#include <boost/lexical_cast.hpp>
-#include <boost/noncopyable.hpp>
-#include <boost/test/unit_test.hpp>
-
-using namespace boost;
-
-void test_noncopyable();
-
-unit_test::test_suite *init_unit_test_suite(int, char *[])
-{
-    unit_test_framework::test_suite *suite =
-        BOOST_TEST_SUITE("lexical_cast unit test");
-    suite->add(BOOST_TEST_CASE(&test_noncopyable));
-
-    return suite;
-}
-
-class Noncopyable : private boost::noncopyable
-{
-public:
-    Noncopyable() {}
-};
-
-inline std::ostream &operator<<(std::ostream &out, const Noncopyable&)
-{
-    return out << "Noncopyable";
-}
-
-void test_noncopyable()
-{
-    Noncopyable x;
-    BOOST_CHECK(boost::lexical_cast<std::string>(x) == "Noncopyable");
-}
-

test/lexical_cast_vc8_bug_test.cpp

@@ -1,53 +0,0 @@
-#include <boost/config.hpp>
-#include <boost/lexical_cast.hpp>
-#include <boost/cstdint.hpp>
-#include <boost/test/unit_test.hpp>
-
-#include <string>
-
-using namespace boost;
-
-// See also test_conversion_from_string_to_integral(CharT)
-// in libs/conversion/lexical_cast_test.cpp
-template<class T, class CharT>
-void test_too_long_number(CharT zero)
-{
-    typedef std::numeric_limits<T> limits;
-
-    std::basic_string<CharT> s;
-
-    std::basic_ostringstream<CharT> o;
-    o << (limits::max)() << zero;
-    s = o.str();
-    BOOST_CHECK_THROW(lexical_cast<T>(s), bad_lexical_cast);
-    s[s.size()-1] += 9; // '0' -> '9'
-    BOOST_CHECK_THROW(lexical_cast<T>(s), bad_lexical_cast);
-
-    if(limits::is_signed)
-    {
-        std::basic_ostringstream<CharT> o;
-        o << (limits::min)() << zero;
-        s = o.str();
-        BOOST_CHECK_THROW(lexical_cast<T>(s), bad_lexical_cast);
-        s[s.size()-1] += 9; // '0' -> '9'
-        BOOST_CHECK_THROW(lexical_cast<T>(s), bad_lexical_cast);
-    }
-}
-
-void test_vc8_bug()
-{
-    test_too_long_number<boost::intmax_t>('0');
-    test_too_long_number<boost::uintmax_t>('0');
-#if !defined(BOOST_LCAST_NO_WCHAR_T)
-    test_too_long_number<boost::intmax_t>(L'0');
-    test_too_long_number<boost::uintmax_t>(L'0');
-#endif
-}
-
-unit_test::test_suite *init_unit_test_suite(int, char *[])
-{
-    unit_test_framework::test_suite *suite =
-        BOOST_TEST_SUITE("lexical_cast vc8 bug unit test");
-    suite->add(BOOST_TEST_CASE(test_vc8_bug));
-    return suite;
-}

test/polymorphic_cast_test.cpp

@@ -0,0 +1,391 @@
+//
+// Test boost::polymorphic_cast, boost::polymorphic_downcast and 
+// boost::polymorphic_pointer_cast, boost::polymorphic_pointer_downcast
+//
+// Copyright 1999 Beman Dawes
+// Copyright 1999 Dave Abrahams
+// Copyright 2014 Peter Dimov
+// Copyright 2014 Boris Rasin, Antony Polukhin
+//
+// 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
+//
+
+#define BOOST_ENABLE_ASSERT_HANDLER
+#include <boost/polymorphic_cast.hpp>
+#include <boost/polymorphic_pointer_cast.hpp>
+#include <boost/smart_ptr/shared_ptr.hpp>
+#include <boost/smart_ptr/intrusive_ptr.hpp>
+#include <boost/smart_ptr/intrusive_ref_counter.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <string>
+#include <memory>
+
+static bool expect_assertion = false;
+static int assertion_failed_count = 0;
+
+//assertion handler throws it to exit like assert, but to be able to catch it and stop
+//usage: BOOST_TEST_THROWS( function_with_assert(), expected_assertion );
+struct expected_assertion {};
+
+// BOOST_ASSERT custom handler
+void boost::assertion_failed( char const * expr, char const * function, char const * file, long line )
+{
+    if( expect_assertion )
+    {
+        ++assertion_failed_count;
+        throw expected_assertion();
+    }
+    else
+    {
+        BOOST_ERROR( "unexpected assertion" );
+
+        BOOST_LIGHTWEIGHT_TEST_OSTREAM
+          << file << "(" << line << "): assertion '" << expr << "' failed in function '"
+          << function << "'" << std::endl;
+    }
+}
+
+//
+
+struct Base : boost::intrusive_ref_counter<Base>
+{
+    virtual ~Base() {}
+    virtual std::string kind() { return "Base"; }
+};
+
+struct Base2
+{
+    virtual ~Base2() {}
+    virtual std::string kind2() { return "Base2"; }
+};
+
+struct Derived : public Base, Base2
+{
+    virtual std::string kind() { return "Derived"; }
+};
+
+static void test_polymorphic_cast()
+{
+    Base * base = new Derived;
+
+    Derived * derived;
+    
+    try
+    {
+        derived = boost::polymorphic_cast<Derived*>( base );
+
+        BOOST_TEST( derived != 0 );
+
+        if( derived != 0 )
+        {
+            BOOST_TEST_EQ( derived->kind(), "Derived" );
+        }
+    }
+    catch( std::bad_cast const& )
+    {
+        BOOST_ERROR( "boost::polymorphic_cast<Derived*>( base ) threw std::bad_cast" );
+    }
+
+    Base2 * base2;
+
+    try
+    {
+        base2 = boost::polymorphic_cast<Base2*>( base ); // crosscast
+
+        BOOST_TEST( base2 != 0 );
+
+        if( base2 != 0 )
+        {
+            BOOST_TEST_EQ( base2->kind2(), "Base2" );
+        }
+    }
+    catch( std::bad_cast const& )
+    {
+        BOOST_ERROR( "boost::polymorphic_cast<Base2*>( base ) threw std::bad_cast" );
+    }
+
+    delete base;
+}
+
+static void test_polymorphic_pointer_cast()
+{
+    Base * base = new Derived;
+
+    Derived * derived;
+
+    try
+    {
+        derived = boost::polymorphic_pointer_cast<Derived>( base );
+
+        BOOST_TEST( derived != 0 );
+
+        if( derived != 0 )
+        {
+            BOOST_TEST_EQ( derived->kind(), "Derived" );
+        }
+    }
+    catch( std::bad_cast const& )
+    {
+        BOOST_ERROR( "boost::polymorphic_pointer_cast<Derived>( base ) threw std::bad_cast" );
+    }
+
+    Base2 * base2;
+
+    try
+    {
+        base2 = boost::polymorphic_pointer_cast<Base2>( base ); // crosscast
+
+        BOOST_TEST( base2 != 0 );
+
+        if( base2 != 0 )
+        {
+            BOOST_TEST_EQ( base2->kind2(), "Base2" );
+        }
+    }
+    catch( std::bad_cast const& )
+    {
+        BOOST_ERROR( "boost::polymorphic_pointer_cast<Base2>( base ) threw std::bad_cast" );
+    }
+
+    boost::shared_ptr<Base> sp_base( base );
+    boost::shared_ptr<Base2> sp_base2;
+    try
+    {
+        sp_base2 = boost::polymorphic_pointer_cast<Base2>( sp_base ); // crosscast
+
+        BOOST_TEST( sp_base2 != 0 );
+
+        if( sp_base2 != 0 )
+        {
+            BOOST_TEST_EQ( sp_base2->kind2(), "Base2" );
+        }
+    }
+    catch( std::bad_cast const& )
+    {
+        BOOST_ERROR( "boost::polymorphic_pointer_cast<Base2>( sp_base ) threw std::bad_cast" );
+    }
+
+    // we do not `delete base;` because sahred_ptr is holding base
+}
+
+static void test_polymorphic_downcast()
+{
+    Base *base_pointer = new Derived;
+
+    // test raw pointer cast
+    Derived *derived_pointer = boost::polymorphic_downcast<Derived *>(base_pointer);
+
+    BOOST_TEST(derived_pointer != 0);
+
+    if (derived_pointer != 0)
+    {
+        BOOST_TEST_EQ(derived_pointer->kind(), "Derived");
+    }
+
+    // test reference cast
+    Derived& derived_ref = boost::polymorphic_downcast<Derived&>(*base_pointer);
+    BOOST_TEST_EQ(derived_ref.kind(), "Derived");
+
+    delete base_pointer;
+}
+
+static void test_polymorphic_pointer_downcast_builtin()
+{
+    Base * base = new Derived;
+
+    Derived * derived = boost::polymorphic_pointer_downcast<Derived>( base );
+
+    BOOST_TEST( derived != 0 );
+
+    if( derived != 0 )
+    {
+        BOOST_TEST_EQ( derived->kind(), "Derived" );
+    }
+
+    // polymorphic_pointer_downcast can't do crosscasts
+
+    delete base;
+}
+
+static void test_polymorphic_pointer_downcast_boost_shared()
+{
+    boost::shared_ptr<Base> base (new Derived);
+
+    boost::shared_ptr<Derived> derived = boost::polymorphic_pointer_downcast<Derived>( base );
+
+    BOOST_TEST( derived != 0 );
+
+    if( derived != 0 )
+    {
+        BOOST_TEST_EQ( derived->kind(), "Derived" );
+    }
+}
+
+static void test_polymorphic_pointer_downcast_intrusive()
+{
+    boost::intrusive_ptr<Base> base (new Derived);
+
+    boost::intrusive_ptr<Derived> derived = boost::polymorphic_pointer_downcast<Derived>( base );
+
+    BOOST_TEST( derived != 0 );
+
+    if( derived != 0 )
+    {
+        BOOST_TEST_EQ( derived->kind(), "Derived" );
+    }
+}
+
+#ifndef BOOST_NO_CXX11_SMART_PTR
+
+static void test_polymorphic_pointer_downcast_std_shared()
+{
+    std::shared_ptr<Base> base (new Derived);
+
+    std::shared_ptr<Derived> derived = boost::polymorphic_pointer_downcast<Derived>( base );
+
+    BOOST_TEST( derived != 0 );
+
+    if( derived != 0 )
+    {
+        BOOST_TEST_EQ( derived->kind(), "Derived" );
+    }
+}
+
+#endif
+
+static void test_polymorphic_cast_fail()
+{
+    Base * base = new Base;
+
+    BOOST_TEST_THROWS( boost::polymorphic_cast<Derived*>( base ), std::bad_cast );
+
+    delete base;
+}
+
+static void test_polymorphic_pointer_cast_fail()
+{
+    Base * base = new Base;
+    BOOST_TEST_THROWS( boost::polymorphic_pointer_cast<Derived>( base ), std::bad_cast );
+    delete base;
+
+    BOOST_TEST_THROWS( boost::polymorphic_pointer_cast<Derived>( boost::shared_ptr<Base>(new Base) ), std::bad_cast );
+
+#ifndef BOOST_NO_CXX11_SMART_PTR
+    BOOST_TEST_THROWS( boost::polymorphic_pointer_cast<Derived>( std::shared_ptr<Base>(new Base) ), std::bad_cast );
+#endif
+
+    BOOST_TEST_THROWS( boost::polymorphic_pointer_cast<Derived>( boost::intrusive_ptr<Base>(new Base) ), std::bad_cast );
+}
+
+static void test_polymorphic_downcast_fail()
+{
+    Base * base_pointer = new Base;
+
+    {
+        // test raw pointer cast
+
+        int old_count = assertion_failed_count;
+        expect_assertion = true;
+
+        BOOST_TEST_THROWS(boost::polymorphic_downcast<Derived *>(base_pointer), expected_assertion); // should assert
+
+        BOOST_TEST_EQ(assertion_failed_count, old_count + 1);
+        expect_assertion = false;
+    }
+    {
+        // test reference cast
+
+        int old_count = assertion_failed_count;
+        expect_assertion = true;
+
+        BOOST_TEST_THROWS(boost::polymorphic_downcast<Derived &>(*base_pointer), expected_assertion); // should assert
+
+        BOOST_TEST_EQ(assertion_failed_count, old_count + 1);
+        expect_assertion = false;
+    }
+
+    delete base_pointer;
+}
+
+static void test_polymorphic_pointer_downcast_builtin_fail()
+{
+    Base * base = new Base;
+
+    int old_count = assertion_failed_count;
+    expect_assertion = true;
+
+    BOOST_TEST_THROWS( boost::polymorphic_pointer_downcast<Derived>( base ), expected_assertion ); // should assert
+
+    BOOST_TEST_EQ( assertion_failed_count, old_count + 1 );
+    expect_assertion = false;
+
+    delete base;
+}
+
+static void test_polymorphic_pointer_downcast_boost_shared_fail()
+{
+    boost::shared_ptr<Base> base (new Base);
+
+    int old_count = assertion_failed_count;
+    expect_assertion = true;
+
+    BOOST_TEST_THROWS( boost::polymorphic_pointer_downcast<Derived>( base ), expected_assertion ); // should assert
+
+    BOOST_TEST_EQ( assertion_failed_count, old_count + 1 );
+    expect_assertion = false;
+}
+
+#ifndef BOOST_NO_CXX11_SMART_PTR
+
+static void test_polymorphic_pointer_downcast_std_shared_fail()
+{
+    std::shared_ptr<Base> base (new Base);
+
+    int old_count = assertion_failed_count;
+    expect_assertion = true;
+
+    BOOST_TEST_THROWS( boost::polymorphic_pointer_downcast<Derived>( base ), expected_assertion ); // should assert
+
+    BOOST_TEST_EQ( assertion_failed_count, old_count + 1 );
+    expect_assertion = false;
+}
+
+#endif
+
+static void test_polymorphic_pointer_downcast_intrusive_fail()
+{
+    boost::intrusive_ptr<Base> base (new Base);
+
+    int old_count = assertion_failed_count;
+    expect_assertion = true;
+
+    BOOST_TEST_THROWS( boost::polymorphic_pointer_downcast<Derived>( base ), expected_assertion); // should assert
+
+    BOOST_TEST_EQ( assertion_failed_count, old_count + 1 );
+    expect_assertion = false;
+}
+
+int main()
+{
+    test_polymorphic_cast();
+    test_polymorphic_pointer_cast();
+    test_polymorphic_downcast();
+    test_polymorphic_pointer_downcast_builtin();
+    test_polymorphic_pointer_downcast_boost_shared();
+    test_polymorphic_pointer_downcast_intrusive();
+    test_polymorphic_cast_fail();
+    test_polymorphic_pointer_cast_fail();
+    test_polymorphic_downcast_fail();
+    test_polymorphic_pointer_downcast_builtin_fail();
+    test_polymorphic_pointer_downcast_boost_shared_fail();
+    test_polymorphic_pointer_downcast_intrusive_fail();
+
+#ifndef BOOST_NO_CXX11_SMART_PTR
+    test_polymorphic_pointer_downcast_std_shared();
+    test_polymorphic_pointer_downcast_std_shared_fail();
+#endif
+
+    return boost::report_errors();
+}