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- #include <boost/config.hpp>
- #if defined(BOOST_MSVC)
- #pragma warning(disable: 4786) // identifier truncated in debug info
- #pragma warning(disable: 4710) // function not inlined
- #pragma warning(disable: 4711) // function selected for automatic inline expansion
- #pragma warning(disable: 4514) // unreferenced inline removed
- #pragma warning(disable: 4355) // 'this' : used in base member initializer list
- #pragma warning(disable: 4511) // copy constructor could not be generated
- #pragma warning(disable: 4512) // assignment operator could not be generated
- #if (BOOST_MSVC >= 1310)
- #pragma warning(disable: 4675) // resolved overload found with Koenig lookup
- #endif
- #endif
- //
- // intrusive_ptr_move_test.cpp
- //
- // Copyright (c) 2002-2005 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/detail/lightweight_test.hpp>
- #include <boost/intrusive_ptr.hpp>
- #include <boost/detail/atomic_count.hpp>
- #include <boost/config.hpp>
- #include <utility>
- #if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
- namespace N
- {
- class base
- {
- private:
- mutable boost::detail::atomic_count use_count_;
- base(base const &);
- base & operator=(base const &);
- protected:
- base(): use_count_(0)
- {
- ++instances;
- }
- virtual ~base()
- {
- --instances;
- }
- public:
- static long instances;
- long use_count() const
- {
- return use_count_;
- }
- #if !defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
- inline friend void intrusive_ptr_add_ref(base const * p)
- {
- ++p->use_count_;
- }
- inline friend void intrusive_ptr_release(base const * p)
- {
- if(--p->use_count_ == 0) delete p;
- }
- #else
- void add_ref() const
- {
- ++use_count_;
- }
- void release() const
- {
- if(--use_count_ == 0) delete this;
- }
- #endif
- };
- long base::instances = 0;
- } // namespace N
- #if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
- namespace boost
- {
- inline void intrusive_ptr_add_ref(N::base const * p)
- {
- p->add_ref();
- }
- inline void intrusive_ptr_release(N::base const * p)
- {
- p->release();
- }
- } // namespace boost
- #endif
- //
- struct X: public virtual N::base
- {
- };
- struct Y: public X
- {
- };
- int main()
- {
- BOOST_TEST( N::base::instances == 0 );
- {
- boost::intrusive_ptr<X> p( new X );
- BOOST_TEST( N::base::instances == 1 );
- boost::intrusive_ptr<X> p2( std::move( p ) );
- BOOST_TEST( N::base::instances == 1 );
- BOOST_TEST( p.get() == 0 );
- p2.reset();
- BOOST_TEST( N::base::instances == 0 );
- }
- {
- boost::intrusive_ptr<Y> p( new Y );
- BOOST_TEST( N::base::instances == 1 );
- boost::intrusive_ptr<X> p2( std::move( p ) );
- BOOST_TEST( N::base::instances == 1 );
- BOOST_TEST( p.get() == 0 );
- p2.reset();
- BOOST_TEST( N::base::instances == 0 );
- }
- {
- boost::intrusive_ptr<X> p( new X );
- BOOST_TEST( N::base::instances == 1 );
- boost::intrusive_ptr<X> p2;
- p2 = std::move( p );
- BOOST_TEST( N::base::instances == 1 );
- BOOST_TEST( p.get() == 0 );
- p2.reset();
- BOOST_TEST( N::base::instances == 0 );
- }
- {
- boost::intrusive_ptr<X> p( new X );
- BOOST_TEST( N::base::instances == 1 );
- boost::intrusive_ptr<X> p2( new X );
- BOOST_TEST( N::base::instances == 2 );
- p2 = std::move( p );
- BOOST_TEST( N::base::instances == 1 );
- BOOST_TEST( p.get() == 0 );
- p2.reset();
- BOOST_TEST( N::base::instances == 0 );
- }
- {
- boost::intrusive_ptr<Y> p( new Y );
- BOOST_TEST( N::base::instances == 1 );
- boost::intrusive_ptr<X> p2;
- p2 = std::move( p );
- BOOST_TEST( N::base::instances == 1 );
- BOOST_TEST( p.get() == 0 );
- p2.reset();
- BOOST_TEST( N::base::instances == 0 );
- }
- {
- boost::intrusive_ptr<Y> p( new Y );
- BOOST_TEST( N::base::instances == 1 );
- boost::intrusive_ptr<X> p2( new X );
- BOOST_TEST( N::base::instances == 2 );
- p2 = std::move( p );
- BOOST_TEST( N::base::instances == 1 );
- BOOST_TEST( p.get() == 0 );
- p2.reset();
- BOOST_TEST( N::base::instances == 0 );
- }
- {
- boost::intrusive_ptr<X> px( new Y );
- X * px2 = px.get();
- boost::intrusive_ptr<Y> py = boost::static_pointer_cast<Y>( std::move( px ) );
- BOOST_TEST( py.get() == px2 );
- BOOST_TEST( px.get() == 0 );
- BOOST_TEST( py->use_count() == 1 );
- }
- BOOST_TEST( N::base::instances == 0 );
- {
- boost::intrusive_ptr<X const> px( new X );
- X const * px2 = px.get();
- boost::intrusive_ptr<X> px3 = boost::const_pointer_cast<X>( std::move( px ) );
- BOOST_TEST( px3.get() == px2 );
- BOOST_TEST( px.get() == 0 );
- BOOST_TEST( px3->use_count() == 1 );
- }
- BOOST_TEST( N::base::instances == 0 );
- {
- boost::intrusive_ptr<X> px( new Y );
- X * px2 = px.get();
- boost::intrusive_ptr<Y> py = boost::dynamic_pointer_cast<Y>( std::move( px ) );
- BOOST_TEST( py.get() == px2 );
- BOOST_TEST( px.get() == 0 );
- BOOST_TEST( py->use_count() == 1 );
- }
- BOOST_TEST( N::base::instances == 0 );
- {
- boost::intrusive_ptr<X> px( new X );
- X * px2 = px.get();
- boost::intrusive_ptr<Y> py = boost::dynamic_pointer_cast<Y>( std::move( px ) );
- BOOST_TEST( py.get() == 0 );
- BOOST_TEST( px.get() == px2 );
- BOOST_TEST( px->use_count() == 1 );
- }
- BOOST_TEST( N::base::instances == 0 );
- return boost::report_errors();
- }
- #else // defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
- int main()
- {
- return 0;
- }
- #endif
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