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Merge [51909], [51912], [52937], [53672] to release.
[SVN r55479]
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184
test/intrusive_ptr_move_test.cpp
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184
test/intrusive_ptr_move_test.cpp
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#include <boost/config.hpp>
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#if defined(BOOST_MSVC)
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#pragma warning(disable: 4786) // identifier truncated in debug info
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#pragma warning(disable: 4710) // function not inlined
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#pragma warning(disable: 4711) // function selected for automatic inline expansion
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#pragma warning(disable: 4514) // unreferenced inline removed
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#pragma warning(disable: 4355) // 'this' : used in base member initializer list
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#pragma warning(disable: 4511) // copy constructor could not be generated
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#pragma warning(disable: 4512) // assignment operator could not be generated
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#if (BOOST_MSVC >= 1310)
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#pragma warning(disable: 4675) // resolved overload found with Koenig lookup
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#endif
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#endif
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//
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// intrusive_ptr_move_test.cpp
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//
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// Copyright (c) 2002-2005 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// 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/detail/lightweight_test.hpp>
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#include <boost/intrusive_ptr.hpp>
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#include <boost/detail/atomic_count.hpp>
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#include <boost/config.hpp>
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#include <algorithm>
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#include <functional>
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#if defined( BOOST_HAS_RVALUE_REFS )
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namespace N
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{
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class base
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{
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private:
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boost::detail::atomic_count use_count_;
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base(base const &);
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base & operator=(base const &);
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protected:
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base(): use_count_(0)
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{
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++instances;
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}
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virtual ~base()
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{
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--instances;
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}
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public:
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static long instances;
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long use_count() const
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{
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return use_count_;
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}
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#if !defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
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inline friend void intrusive_ptr_add_ref(base * p)
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{
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++p->use_count_;
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}
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inline friend void intrusive_ptr_release(base * p)
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{
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if(--p->use_count_ == 0) delete p;
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}
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#else
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void add_ref()
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{
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++use_count_;
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}
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void release()
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{
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if(--use_count_ == 0) delete this;
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}
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#endif
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};
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long base::instances = 0;
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} // namespace N
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#if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
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namespace boost
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{
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inline void intrusive_ptr_add_ref(N::base * p)
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{
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p->add_ref();
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}
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inline void intrusive_ptr_release(N::base * p)
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{
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p->release();
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}
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} // namespace boost
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#endif
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//
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struct X: public virtual N::base
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{
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};
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struct Y: public X
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{
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};
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int main()
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{
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BOOST_TEST( N::base::instances == 0 );
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{
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boost::intrusive_ptr<X> p( new X );
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BOOST_TEST( N::base::instances == 1 );
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boost::intrusive_ptr<X> p2( std::move( p ) );
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BOOST_TEST( N::base::instances == 1 );
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BOOST_TEST( p.get() == 0 );
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p2.reset();
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BOOST_TEST( N::base::instances == 0 );
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}
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{
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boost::intrusive_ptr<X> p( new X );
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BOOST_TEST( N::base::instances == 1 );
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boost::intrusive_ptr<X> p2;
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p2 = std::move( p );
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BOOST_TEST( N::base::instances == 1 );
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BOOST_TEST( p.get() == 0 );
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p2.reset();
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BOOST_TEST( N::base::instances == 0 );
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}
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{
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boost::intrusive_ptr<X> p( new X );
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BOOST_TEST( N::base::instances == 1 );
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boost::intrusive_ptr<X> p2( new X );
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BOOST_TEST( N::base::instances == 2 );
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p2 = std::move( p );
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BOOST_TEST( N::base::instances == 1 );
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BOOST_TEST( p.get() == 0 );
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p2.reset();
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BOOST_TEST( N::base::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_HAS_RVALUE_REFS )
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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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