46 lines
928 B
C++
46 lines
928 B
C++
//
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// weak_from_raw_test5.cpp
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//
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// Tests whether pointers returned from weak_from_raw
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// expire properly
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//
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// Copyright 2015 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0.
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//
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// See 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/smart_ptr/enable_shared_from_raw.hpp>
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#include <boost/weak_ptr.hpp>
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#include <boost/core/lightweight_test.hpp>
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class X: public boost::enable_shared_from_raw
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{
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public:
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explicit X( boost::weak_ptr< X > & r )
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{
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r = boost::weak_from_raw( this );
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}
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};
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int main()
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{
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boost::weak_ptr<X> p1, p2;
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{
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boost::shared_ptr< X > px( new X( p1 ) );
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p2 = boost::weak_from_raw( px.get() );
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BOOST_TEST( !p1.expired() );
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BOOST_TEST( !p2.expired() );
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}
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BOOST_TEST( p1.expired() );
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BOOST_TEST( p2.expired() );
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return boost::report_errors();
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}
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