| 1 | // |
|---|---|
| 2 | // sp_constexpr_test.cpp |
| 3 | // |
| 4 | // Copyright 2017 Peter Dimov |
| 5 | // |
| 6 | // Distributed under the Boost Software License, Version 1.0. |
| 7 | // See accompanying file LICENSE_1_0.txt or copy at |
| 8 | // http://www.boost.org/LICENSE_1_0.txt |
| 9 | // |
| 10 | |
| 11 | #include <boost/config.hpp> |
| 12 | #include <boost/config/workaround.hpp> |
| 13 | |
| 14 | #define HAVE_CONSTEXPR_INIT |
| 15 | |
| 16 | #if defined( BOOST_NO_CXX11_CONSTEXPR ) |
| 17 | # undef HAVE_CONSTEXPR_INIT |
| 18 | #endif |
| 19 | |
| 20 | #if BOOST_WORKAROUND( BOOST_MSVC, < 1930 ) |
| 21 | # undef HAVE_CONSTEXPR_INIT |
| 22 | #endif |
| 23 | |
| 24 | #if defined(__clang__) && defined( BOOST_NO_CXX14_CONSTEXPR ) |
| 25 | # undef HAVE_CONSTEXPR_INIT |
| 26 | #endif |
| 27 | |
| 28 | #if !defined( HAVE_CONSTEXPR_INIT ) |
| 29 | |
| 30 | int main() |
| 31 | { |
| 32 | } |
| 33 | |
| 34 | #else |
| 35 | |
| 36 | #include <boost/shared_ptr.hpp> |
| 37 | #include <boost/weak_ptr.hpp> |
| 38 | #include <boost/enable_shared_from_this.hpp> |
| 39 | #include <boost/core/lightweight_test.hpp> |
| 40 | |
| 41 | struct X: public boost::enable_shared_from_this<X> |
| 42 | { |
| 43 | }; |
| 44 | |
| 45 | struct Z |
| 46 | { |
| 47 | Z(); |
| 48 | }; |
| 49 | |
| 50 | static Z z; |
| 51 | |
| 52 | static boost::shared_ptr<X> p1; |
| 53 | static boost::weak_ptr<X> p2; |
| 54 | |
| 55 | #if !defined( BOOST_NO_CXX11_NULLPTR ) |
| 56 | static boost::shared_ptr<X> p3( nullptr ); |
| 57 | #endif |
| 58 | |
| 59 | Z::Z() |
| 60 | { |
| 61 | p1.reset( p: new X ); |
| 62 | p2 = p1; |
| 63 | #if !defined( BOOST_NO_CXX11_NULLPTR ) |
| 64 | p3.reset( p: new X ); |
| 65 | #endif |
| 66 | } |
| 67 | |
| 68 | int main() |
| 69 | { |
| 70 | BOOST_TEST( p1.get() != 0 ); |
| 71 | BOOST_TEST_EQ( p1.use_count(), 1 ); |
| 72 | |
| 73 | BOOST_TEST_EQ( p2.use_count(), 1 ); |
| 74 | BOOST_TEST_EQ( p2.lock(), p1 ); |
| 75 | |
| 76 | #if !defined( BOOST_NO_CXX11_NULLPTR ) |
| 77 | |
| 78 | BOOST_TEST( p3.get() != 0 ); |
| 79 | BOOST_TEST_EQ( p3.use_count(), 1 ); |
| 80 | |
| 81 | #endif |
| 82 | |
| 83 | return boost::report_errors(); |
| 84 | } |
| 85 | |
| 86 | #endif // #if defined( BOOST_NO_CXX11_CONSEXPR ) |
| 87 |