forked from boostorg/smart_ptr
72 lines
1.2 KiB
C++
72 lines
1.2 KiB
C++
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//
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// sp_constexpr_test.cpp
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//
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// Copyright 2017 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0.
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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/config.hpp>
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#if defined( BOOST_NO_CXX11_CONSTEXPR )
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int main()
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{
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}
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#else
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#include <boost/shared_ptr.hpp>
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#include <boost/weak_ptr.hpp>
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#include <boost/enable_shared_from_this.hpp>
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#include <boost/core/lightweight_test.hpp>
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struct X: public boost::enable_shared_from_this<X>
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{
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};
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struct Z
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{
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Z();
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};
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static Z z;
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static boost::shared_ptr<X> p1;
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static boost::weak_ptr<X> p2;
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#if !defined( BOOST_NO_CXX11_NULLPTR )
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static boost::shared_ptr<X> p3( nullptr );
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#endif
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Z::Z()
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{
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p1.reset( new X );
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p2 = p1;
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#if !defined( BOOST_NO_CXX11_NULLPTR )
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p3.reset( new X );
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#endif
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}
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int main()
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{
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BOOST_TEST( p1.get() != 0 );
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BOOST_TEST_EQ( p1.use_count(), 1 );
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BOOST_TEST_EQ( p2.use_count(), 1 );
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BOOST_TEST_EQ( p2.lock(), p1 );
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#if !defined( BOOST_NO_CXX11_NULLPTR )
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BOOST_TEST( p3.get() != 0 );
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BOOST_TEST_EQ( p3.use_count(), 1 );
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#endif
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return boost::report_errors();
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}
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#endif // #if defined( BOOST_NO_CXX11_CONSEXPR )
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