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