Files
boost_unordered/test/unordered/unnecessary_copy_tests.cpp
Daniel James e07e7e889d Merge new changes to unordered & hash.
- Unordered tests can run lightweight test or Boost.Test (at least
   theoretically).
 - Workaround Open BSD's incorrect numeric_limits.
 - Move the hash extensions in their own file.
 - Various small improvements to the unordered docs.
 - Fix some unordered examples.

Merged revisions 43117-43837 via svnmerge from 
https://svn.boost.org/svn/boost/branches/unordered/trunk


[SVN r43838]
2008-03-24 17:03:15 +00:00

61 lines
1.5 KiB
C++

// Copyright 2006-2007 Daniel James.
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <boost/unordered_set.hpp>
#include <boost/unordered_map.hpp>
#include "../helpers/test.hpp"
namespace unnecessary_copy_tests
{
struct count_copies
{
static int count;
count_copies() { ++count; }
count_copies(count_copies const&) { ++count; }
private:
count_copies& operator=(count_copies const&);
};
bool operator==(count_copies const&, count_copies const&) {
return true;
}
}
#if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
namespace boost
#else
namespace unnecessary_copy_tests
#endif
{
std::size_t hash_value(unnecessary_copy_tests::count_copies const&) {
return 0;
}
}
namespace unnecessary_copy_tests
{
int count_copies::count;
template <class T>
void unnecessary_copy_test(T*)
{
count_copies::count = 0;
T x;
BOOST_DEDUCED_TYPENAME T::value_type a;
BOOST_TEST(count_copies::count == 1);
x.insert(a);
BOOST_TEST(count_copies::count == 2);
}
boost::unordered_set<count_copies>* set;
boost::unordered_multiset<count_copies>* multiset;
boost::unordered_map<int, count_copies>* map;
boost::unordered_multimap<int, count_copies>* multimap;
UNORDERED_TEST(unnecessary_copy_test, ((set)(multiset)(map)(multimap)))
}
RUN_TESTS()