| // |
| // 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 ) |