mirror of
https://github.com/boostorg/optional.git
synced 2025-11-04 01:31:57 +01:00
65 lines
1.3 KiB
C++
65 lines
1.3 KiB
C++
// Copyright (C) 2014 Andrzej Krzemienski.
|
|
//
|
|
// Use, modification, and distribution is 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)
|
|
//
|
|
// See http://www.boost.org/lib/optional for documentation.
|
|
//
|
|
// You are welcome to contact the author at:
|
|
// akrzemi1@gmail.com
|
|
|
|
#include "boost/optional/optional.hpp"
|
|
#include "boost/config.hpp"
|
|
#include "boost/core/lightweight_test.hpp"
|
|
|
|
#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) && !defined(BOOST_OPTIONAL_CONFIG_DO_NOT_SPECIALIZE_STD_HASH)
|
|
|
|
#include <unordered_set>
|
|
|
|
void test_unordered_map()
|
|
{
|
|
std::unordered_set<boost::optional<int> > set;
|
|
set.insert(boost::optional<int>(1));
|
|
set.insert(boost::optional<int>(1));
|
|
|
|
|
|
BOOST_TEST(set.size() == 1u);
|
|
BOOST_TEST(set.find(boost::optional<int>(1)) != set.end());
|
|
}
|
|
|
|
#else
|
|
|
|
void test_unordered_map()
|
|
{}
|
|
|
|
#endif
|
|
|
|
|
|
#if !defined(BOOST_OPTIONAL_CONFIG_DO_NOT_SPECIALIZE_STD_HASH) && !defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)
|
|
|
|
void tets_hash()
|
|
{
|
|
std::hash<boost::optional<int> > hash_int;
|
|
boost::optional<int> oN;
|
|
boost::optional<int> o1(1);
|
|
|
|
BOOST_TEST(hash_int(oN) == hash_int(oN));
|
|
BOOST_TEST(hash_int(o1) == hash_int(o1));
|
|
}
|
|
|
|
#else
|
|
|
|
void tets_hash()
|
|
{}
|
|
|
|
#endif
|
|
|
|
|
|
int main()
|
|
{
|
|
test_unordered_map();
|
|
tets_hash();
|
|
return boost::report_errors();
|
|
}
|