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