| // Copyright 2020 Peter Dimov |
| // Distributed under the Boost Software License, Version 1.0. |
| // https://www.boost.org/LICENSE_1_0.txt |
| |
| #include <boost/smart_ptr/owner_hash.hpp> |
| #include <boost/shared_ptr.hpp> |
| #include <boost/weak_ptr.hpp> |
| #include <boost/core/lightweight_test.hpp> |
| |
| template<class T> std::size_t hash_( T const& t ) |
| { |
| return boost::owner_hash<T>()( t ); |
| } |
| |
| int main() |
| { |
| boost::shared_ptr<int> p1( new int ); |
| boost::shared_ptr<int> p2( p1 ); |
| |
| BOOST_TEST_EQ( hash_( p1 ), hash_( p2 ) ); |
| |
| boost::shared_ptr<int> p3( new int ); |
| |
| BOOST_TEST_NE( hash_( p1 ), hash_( p3 ) ); |
| |
| boost::shared_ptr<int> p4; |
| boost::shared_ptr<int> p5; |
| |
| BOOST_TEST_EQ( hash_( p4 ), hash_( p5 ) ); |
| BOOST_TEST_NE( hash_( p4 ), hash_( p3 ) ); |
| |
| boost::shared_ptr<int> p6( static_cast<int*>(0) ); |
| |
| BOOST_TEST_NE( hash_( p4 ), hash_( p6 ) ); |
| |
| boost::shared_ptr<void> p7( p1 ); |
| |
| BOOST_TEST_EQ( hash_( p1 ), hash_( p7 ) ); |
| |
| boost::shared_ptr<void> p8; |
| |
| BOOST_TEST_NE( hash_( p1 ), hash_( p8 ) ); |
| BOOST_TEST_EQ( hash_( p4 ), hash_( p8 ) ); |
| |
| boost::weak_ptr<int> q1( p1 ); |
| |
| BOOST_TEST_EQ( hash_( p1 ), hash_( q1 ) ); |
| |
| boost::weak_ptr<int> q2( p1 ); |
| |
| BOOST_TEST_EQ( hash_( q1 ), hash_( q2 ) ); |
| |
| boost::weak_ptr<int> q3( p3 ); |
| |
| BOOST_TEST_NE( hash_( p1 ), hash_( q3 ) ); |
| BOOST_TEST_NE( hash_( q1 ), hash_( q3 ) ); |
| |
| boost::weak_ptr<int> q4; |
| |
| BOOST_TEST_EQ( hash_( p4 ), hash_( q4 ) ); |
| BOOST_TEST_NE( hash_( q1 ), hash_( q4 ) ); |
| |
| boost::weak_ptr<void> q5; |
| |
| BOOST_TEST_EQ( hash_( q4 ), hash_( q5 ) ); |
| |
| boost::weak_ptr<void> q7( p7 ); |
| |
| BOOST_TEST_EQ( hash_( p1 ), hash_( q7 ) ); |
| BOOST_TEST_EQ( hash_( q1 ), hash_( q7 ) ); |
| |
| p1.reset(); |
| p2.reset(); |
| p3.reset(); |
| p7.reset(); |
| |
| BOOST_TEST( q1.expired() ); |
| BOOST_TEST( q2.expired() ); |
| BOOST_TEST( q3.expired() ); |
| BOOST_TEST( q7.expired() ); |
| |
| BOOST_TEST_EQ( hash_( q1 ), hash_( q2 ) ); |
| BOOST_TEST_EQ( hash_( q1 ), hash_( q7 ) ); |
| BOOST_TEST_NE( hash_( q1 ), hash_( q3 ) ); |
| BOOST_TEST_NE( hash_( q1 ), hash_( q4 ) ); |
| |
| return boost::report_errors(); |
| } |