108 lines
2.1 KiB
C++
108 lines
2.1 KiB
C++
//
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// shared_ptr_move_test.cpp
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//
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// Copyright (c) 2007 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0.
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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#include <boost/shared_ptr.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include <utility>
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#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
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struct X
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{
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static long instances;
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X()
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{
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++instances;
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}
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~X()
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{
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--instances;
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}
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private:
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X( X const & );
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X & operator=( X const & );
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};
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long X::instances = 0;
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int main()
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{
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BOOST_TEST( X::instances == 0 );
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{
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boost::shared_ptr<X> p( new X );
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BOOST_TEST( X::instances == 1 );
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boost::shared_ptr<X> p2( std::move( p ) );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( p.get() == 0 );
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boost::shared_ptr<void> p3( std::move( p2 ) );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( p2.get() == 0 );
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p3.reset();
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BOOST_TEST( X::instances == 0 );
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}
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{
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boost::shared_ptr<X> p( new X );
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BOOST_TEST( X::instances == 1 );
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boost::shared_ptr<X> p2;
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p2 = std::move( p );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( p.get() == 0 );
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boost::shared_ptr<void> p3;
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p3 = std::move( p2 );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( p2.get() == 0 );
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p3.reset();
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BOOST_TEST( X::instances == 0 );
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}
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{
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boost::shared_ptr<X> p( new X );
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BOOST_TEST( X::instances == 1 );
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boost::shared_ptr<X> p2( new X );
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BOOST_TEST( X::instances == 2 );
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p2 = std::move( p );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( p.get() == 0 );
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boost::shared_ptr<void> p3( new X );
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BOOST_TEST( X::instances == 2 );
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p3 = std::move( p2 );
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BOOST_TEST( X::instances == 1 );
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BOOST_TEST( p2.get() == 0 );
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p3.reset();
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BOOST_TEST( X::instances == 0 );
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}
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return boost::report_errors();
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}
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#else // defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
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int main()
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{
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return 0;
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}
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#endif
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