| // |
| // weak_from_raw_test3.cpp |
| // |
| // Test that weak_from_raw and shared_from_raw |
| // return consistent values from a constructor |
| // |
| // Copyright (c) 2015 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: public boost::enable_shared_from_raw |
| { |
| public: |
| |
| X() |
| { |
| boost::weak_ptr<X> p1 = boost::weak_from_raw( this ); |
| BOOST_TEST( !p1.expired() ); |
| |
| boost::weak_ptr<X> p2 = boost::weak_from_raw( this ); |
| BOOST_TEST( !p2.expired() ); |
| BOOST_TEST( !( p1 < p2 ) && !( p2 < p1 ) ); |
| |
| boost::weak_ptr<X> p3 = boost::shared_from_raw( this ); |
| BOOST_TEST( !( p1 < p3 ) && !( p3 < p1 ) ); |
| |
| boost::weak_ptr<X> p4 = boost::weak_from_raw( this ); |
| BOOST_TEST( !p4.expired() ); |
| BOOST_TEST( !( p3 < p4 ) && !( p4 < p3 ) ); |
| BOOST_TEST( !( p1 < p4 ) && !( p4 < p1 ) ); |
| } |
| }; |
| |
| int main() |
| { |
| boost::shared_ptr< X > px( new X ); |
| return boost::report_errors(); |
| } |