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ROBLOX2016
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Library/boost/libs/smart_ptr/test/shared_from_raw_test3.cpp
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PatoFlamejanteTV
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19 дек 2024, 19:11
19 дек 2024, 19:11
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// // shared_from_raw_test3 - based on esft_second_ptr_test.cpp // // This test has been extracted from a real // scenario that occurs in Boost.Python // // Copyright 2009, 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/shared_ptr.hpp> #include <boost/core/lightweight_test.hpp> // class X: public boost::enable_shared_from_raw { }; void null_deleter( void const* ) { } int main() { boost::shared_ptr<X> px( new X ); { boost::shared_ptr<X> px2( px.get(), null_deleter ); BOOST_TEST( px == px2 ); } try { boost::shared_ptr< X > qx = boost::shared_from_raw( px.get() ); BOOST_TEST( px == qx ); BOOST_TEST( !( px < qx ) && !( qx < px ) ); } catch( boost::bad_weak_ptr const& ) { BOOST_ERROR( "shared_from_raw( px.get() ) failed" ); } return boost::report_errors(); }