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Merge in a few small changes to unordered.

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Merged revisions 45277-45280 via svnmerge from 
https://svn.boost.org/svn/boost/branches/unordered/trunk

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  r45277 | danieljames | 2008-05-11 14:09:05 +0100 (Sun, 11 May 2008) | 2 lines
  
  Put the prime number list into a template so that they (hopefully) only get included once.
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  r45278 | danieljames | 2008-05-11 14:12:27 +0100 (Sun, 11 May 2008) | 2 lines
  
  Add a quick explanation for an odd looking constructor.
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  r45279 | danieljames | 2008-05-11 14:12:37 +0100 (Sun, 11 May 2008) | 2 lines
  
  No need to include the exception objects in helpers/strong.hpp. Now helpers on depend on the forwarding header from the objects.
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  r45280 | danieljames | 2008-05-11 14:14:31 +0100 (Sun, 11 May 2008) | 1 line
  
  Instead of comparing potentially dangling pointers in move_tests check if any objects have been constructed.
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[SVN r45574]
This commit is contained in:
Daniel James
2008-05-20 15:24:20 +00:00
parent 18e46ae624
commit 0be8004724
6 changed files with 113 additions and 29 deletions
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test/unordered/unnecessary_copy_tests.cpp
+13 -1
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@@ -15,7 +15,19 @@ namespace unnecessary_copy_tests
static int moves;
count_copies() : tag_(0) { ++copies; }
explicit count_copies(int tag) : tag_(tag) { ++copies; }
count_copies(count_copies const&, count_copies const& x) : tag_(x.tag_) { ++copies; }
// This bizarre constructor is an attempt to confuse emplace.
//
// unordered_map<count_copies, count_copies> x:
// x.emplace(count_copies(1), count_copies(2));
// x.emplace(count_copies(1), count_copies(2), count_copies(3));
//
// The first emplace should use the single argument constructor twice.
// The second emplace should use the single argument contructor for
// the key, and this constructor for the value.
count_copies(count_copies const&, count_copies const& x)
: tag_(x.tag_) { ++copies; }
count_copies(count_copies const& x) : tag_(x.tag_) { ++copies; }
#if defined(BOOST_HAS_RVALUE_REFS)
count_copies(count_copies&& x) : tag_(x.tag_) {