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- //
- // weak_from_raw_test2.cpp
- //
- // Test that weak_from_raw returns consistent values
- // throughout the object lifetime
- //
- // Copyright (c) 2014 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/smart_ptr/enable_shared_from_raw.hpp>
- #include <boost/weak_ptr.hpp>
- #include <boost/core/lightweight_test.hpp>
- class X;
- static boost::weak_ptr< X > r_;
- void register_( boost::weak_ptr< X > const & r )
- {
- r_ = r;
- }
- void check_( boost::weak_ptr< X > const & r )
- {
- BOOST_TEST( !( r < r_ ) && !( r_ < r ) );
- }
- void unregister_( boost::weak_ptr< X > const & r )
- {
- BOOST_TEST( !( r < r_ ) && !( r_ < r ) );
- r_.reset();
- }
- class X: public boost::enable_shared_from_raw
- {
- public:
- X()
- {
- register_( boost::shared_from_raw( this ) );
- }
- ~X()
- {
- unregister_( boost::weak_from_raw( this ) );
- }
- void check()
- {
- check_( boost::weak_from_raw( this ) );
- }
- };
- int main()
- {
- {
- boost::shared_ptr< X > px( new X );
- px->check();
- }
- return boost::report_errors();
- }
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