| // Copyright 2011, 2020 Peter Dimov |
| // Distributed under the Boost Software License, Version 1.0. |
| // https://www.boost.org/LICENSE_1_0.txt |
| |
| #include <boost/shared_ptr.hpp> |
| #include <boost/smart_ptr/owner_hash.hpp> |
| #include <boost/smart_ptr/owner_equal_to.hpp> |
| #include <boost/core/lightweight_test.hpp> |
| #include <boost/config.hpp> |
| |
| #if defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) |
| |
| int main() {} |
| |
| #else |
| |
| #include <unordered_set> |
| |
| int main() |
| { |
| std::unordered_set< boost::shared_ptr<void>, boost::owner_hash< boost::shared_ptr<void> >, boost::owner_equal_to< boost::shared_ptr<void> > > set; |
| |
| boost::shared_ptr<int> p1( (int*)0 ); |
| boost::shared_ptr<int> p2( p1 ); |
| boost::shared_ptr<void> p3( p1 ); |
| |
| set.insert( p1 ); |
| set.insert( p2 ); |
| set.insert( p3 ); |
| |
| BOOST_TEST_EQ( set.size(), 1 ); |
| |
| boost::shared_ptr<int> p4( (int*)0 ); |
| |
| set.insert( p4 ); |
| |
| BOOST_TEST_EQ( set.size(), 2 ); |
| |
| BOOST_TEST_EQ( set.count( p1 ), 1 ); |
| BOOST_TEST_EQ( set.count( p2 ), 1 ); |
| BOOST_TEST_EQ( set.count( p3 ), 1 ); |
| BOOST_TEST_EQ( set.count( p4 ), 1 ); |
| |
| boost::shared_ptr<int> p5( (int*)0 ); |
| |
| BOOST_TEST_EQ( set.count( p5 ), 0 ); |
| |
| return boost::report_errors(); |
| } |
| |
| #endif // #if defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) |