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//
// sp_constexpr_test.cpp
//
// Copyright 2017 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/config.hpp>
#include <boost/config/workaround.hpp>
#define HAVE_CONSTEXPR_INIT
#if defined( BOOST_NO_CXX11_CONSTEXPR )
# undef HAVE_CONSTEXPR_INIT
#endif
#if BOOST_WORKAROUND( BOOST_MSVC, < 1930 )
# undef HAVE_CONSTEXPR_INIT
#endif
#if defined(__clang__) && defined( BOOST_NO_CXX14_CONSTEXPR )
# undef HAVE_CONSTEXPR_INIT
#endif
#if !defined( HAVE_CONSTEXPR_INIT )
int main()
{
}
#else
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <boost/core/lightweight_test.hpp>
struct X: public boost::enable_shared_from_this<X>
{
};
struct Z
{
Z();
};
static Z z;
static boost::shared_ptr<X> p1;
static boost::weak_ptr<X> p2;
#if !defined( BOOST_NO_CXX11_NULLPTR )
static boost::shared_ptr<X> p3( nullptr );
#endif
Z::Z()
{
p1.reset( new X );
p2 = p1;
#if !defined( BOOST_NO_CXX11_NULLPTR )
p3.reset( new X );
#endif
}
int main()
{
BOOST_TEST( p1.get() != 0 );
BOOST_TEST_EQ( p1.use_count(), 1 );
BOOST_TEST_EQ( p2.use_count(), 1 );
BOOST_TEST_EQ( p2.lock(), p1 );
#if !defined( BOOST_NO_CXX11_NULLPTR )
BOOST_TEST( p3.get() != 0 );
BOOST_TEST_EQ( p3.use_count(), 1 );
#endif
return boost::report_errors();
}
#endif // #if defined( BOOST_NO_CXX11_CONSEXPR )
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