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Add owner_equal_to

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This commit is contained in:
Peter Dimov
2020-06-01 03:05:34 +03:00
parent e67ebef9a7
commit fd612dc114
4 changed files with 260 additions and 0 deletions
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25
include/boost/smart_ptr/owner_equal_to.hpp Normal file
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@ -0,0 +1,25 @@
#ifndef BOOST_SMART_PTR_OWNER_EQUAL_TO_HPP_INCLUDED
#define BOOST_SMART_PTR_OWNER_EQUAL_TO_HPP_INCLUDED
// Copyright 2020 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
namespace boost
{
template<class T = void> struct owner_equal_to
{
typedef bool result_type;
typedef T first_argument_type;
typedef T second_argument_type;
template<class U, class V> bool operator()( U const & u, V const & v ) const
{
return u.owner_equals( v );
}
};
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_OWNER_EQUAL_TO_HPP_INCLUDED

3
test/Jamfile
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@ -371,3 +371,6 @@ run sp_owner_before_test.cpp ;
run sp_owner_equals_test.cpp ;
run lsp_owner_before_test.cpp ;
run lsp_owner_equals_test.cpp ;
run owner_equal_to_test.cpp ;
run owner_equal_to_test2.cpp ;

116
test/owner_equal_to_test.cpp Normal file
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// 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_equal_to.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
#include <boost/core/lightweight_test.hpp>
int main()
{
boost::owner_equal_to<> const eq;
{
boost::shared_ptr<int> p1( new int );
boost::shared_ptr<int> p2( p1 );
BOOST_TEST( eq( p1, p2 ) );
BOOST_TEST( eq( p2, p1 ) );
boost::shared_ptr<int> p3( new int );
BOOST_TEST( !eq( p1, p3 ) );
BOOST_TEST( !eq( p3, p1 ) );
boost::shared_ptr<int> p4;
boost::shared_ptr<int> p5;
BOOST_TEST( eq( p4, p5 ) );
BOOST_TEST( eq( p5, p4 ) );
BOOST_TEST( !eq( p4, p3 ) );
BOOST_TEST( !eq( p3, p4 ) );
boost::shared_ptr<int> p6( static_cast<int*>(0) );
BOOST_TEST( !eq( p4, p6 ) );
BOOST_TEST( !eq( p6, p4 ) );
boost::shared_ptr<void> p7( p1 );
BOOST_TEST( eq( p1, p7 ) );
BOOST_TEST( eq( p7, p1 ) );
boost::shared_ptr<void> p8;
BOOST_TEST( !eq( p1, p8 ) );
BOOST_TEST( !eq( p8, p1 ) );
BOOST_TEST( eq( p4, p8 ) );
BOOST_TEST( eq( p8, p4 ) );
boost::weak_ptr<int> q1( p1 );
BOOST_TEST( eq( p1, q1 ) );
BOOST_TEST( eq( q1, p1 ) );
boost::weak_ptr<int> q2( p1 );
BOOST_TEST( eq( q1, q2 ) );
BOOST_TEST( eq( q2, q1 ) );
boost::weak_ptr<int> q3( p3 );
BOOST_TEST( !eq( p1, q3 ) );
BOOST_TEST( !eq( q3, p1 ) );
BOOST_TEST( !eq( q1, q3 ) );
BOOST_TEST( !eq( q3, q1 ) );
boost::weak_ptr<int> q4;
BOOST_TEST( eq( p4, q4 ) );
BOOST_TEST( eq( q4, p4 ) );
BOOST_TEST( !eq( q1, q4 ) );
BOOST_TEST( !eq( q4, q1 ) );
boost::weak_ptr<void> q5;
BOOST_TEST( eq( q4, q5 ) );
BOOST_TEST( eq( q5, q4 ) );
boost::weak_ptr<void> q7( p7 );
BOOST_TEST( eq( p1, q7 ) );
BOOST_TEST( eq( q7, p1 ) );
BOOST_TEST( eq( q1, q7 ) );
BOOST_TEST( eq( q7, q1 ) );
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( q1, q2 ) );
BOOST_TEST( eq( q2, q1 ) );
BOOST_TEST( eq( q1, q7 ) );
BOOST_TEST( eq( q7, q1 ) );
BOOST_TEST( !eq( q1, q3 ) );
BOOST_TEST( !eq( q3, q1 ) );
BOOST_TEST( !eq( q1, q4 ) );
BOOST_TEST( !eq( q4, q1 ) );
}
return boost::report_errors();
}

116
test/owner_equal_to_test2.cpp Normal file
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@ -0,0 +1,116 @@
// 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_equal_to.hpp>
#include <boost/smart_ptr/local_shared_ptr.hpp>
#include <boost/core/lightweight_test.hpp>
int main()
{
boost::owner_equal_to<> const eq;
{
boost::local_shared_ptr<int> p1( new int );
boost::local_shared_ptr<int> p2( p1 );
BOOST_TEST( eq( p1, p2 ) );
BOOST_TEST( eq( p2, p1 ) );
boost::local_shared_ptr<int> p3( new int );
BOOST_TEST( !eq( p1, p3 ) );
BOOST_TEST( !eq( p3, p1 ) );
boost::local_shared_ptr<int> p4;
boost::local_shared_ptr<int> p5;
BOOST_TEST( eq( p4, p5 ) );
BOOST_TEST( eq( p5, p4 ) );
BOOST_TEST( !eq( p4, p3 ) );
BOOST_TEST( !eq( p3, p4 ) );
boost::local_shared_ptr<int> p6( static_cast<int*>(0) );
BOOST_TEST( !eq( p4, p6 ) );
BOOST_TEST( !eq( p6, p4 ) );
boost::local_shared_ptr<void> p7( p1 );
BOOST_TEST( eq( p1, p7 ) );
BOOST_TEST( eq( p7, p1 ) );
boost::local_shared_ptr<void> p8;
BOOST_TEST( !eq( p1, p8 ) );
BOOST_TEST( !eq( p8, p1 ) );
BOOST_TEST( eq( p4, p8 ) );
BOOST_TEST( eq( p8, p4 ) );
/*
boost::local_weak_ptr<int> q1( p1 );
BOOST_TEST( eq( p1, q1 ) );
BOOST_TEST( eq( q1, p1 ) );
boost::local_weak_ptr<int> q2( p1 );
BOOST_TEST( eq( q1, q2 ) );
BOOST_TEST( eq( q2, q1 ) );
boost::local_weak_ptr<int> q3( p3 );
BOOST_TEST( !eq( p1, q3 ) );
BOOST_TEST( !eq( q3, p1 ) );
BOOST_TEST( !eq( q1, q3 ) );
BOOST_TEST( !eq( q3, q1 ) );
boost::local_weak_ptr<int> q4;
BOOST_TEST( eq( p4, q4 ) );
BOOST_TEST( eq( q4, p4 ) );
BOOST_TEST( !eq( q1, q4 ) );
BOOST_TEST( !eq( q4, q1 ) );
boost::local_weak_ptr<void> q5;
BOOST_TEST( eq( q4, q5 ) );
BOOST_TEST( eq( q5, q4 ) );
boost::local_weak_ptr<void> q7( p7 );
BOOST_TEST( eq( p1, q7 ) );
BOOST_TEST( eq( q7, p1 ) );
BOOST_TEST( eq( q1, q7 ) );
BOOST_TEST( eq( q7, q1 ) );
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( q1, q2 ) );
BOOST_TEST( eq( q2, q1 ) );
BOOST_TEST( eq( q1, q7 ) );
BOOST_TEST( eq( q7, q1 ) );
BOOST_TEST( !eq( q1, q3 ) );
BOOST_TEST( !eq( q3, q1 ) );
BOOST_TEST( !eq( q1, q4 ) );
BOOST_TEST( !eq( q4, q1 ) );
*/
}
return boost::report_errors();
}