| // |
| // 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(); |
| } |