| 1 | // Copyright (c) 2023 Andrey Semashev |
|---|---|
| 2 | // |
| 3 | // Distributed under the Boost Software License, Version 1.0. |
| 4 | // (See accompanying file LICENSE_1_0.txt or copy at |
| 5 | // http://www.boost.org/LICENSE_1_0.txt) |
| 6 | |
| 7 | // Tests that boost::core::invoke_swap propagates noexcept specification correctly |
| 8 | |
| 9 | #include <boost/core/invoke_swap.hpp> |
| 10 | #include <boost/config.hpp> |
| 11 | |
| 12 | #if !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_CXX11_STATIC_ASSERT) && \ |
| 13 | !(defined(BOOST_GCC) && (BOOST_GCC < 40700)) |
| 14 | |
| 15 | namespace test_ns { |
| 16 | |
| 17 | struct class_with_noexcept_swap |
| 18 | { |
| 19 | static class_with_noexcept_swap& instance() noexcept; |
| 20 | |
| 21 | friend void swap(class_with_noexcept_swap&, class_with_noexcept_swap&) noexcept |
| 22 | { |
| 23 | } |
| 24 | }; |
| 25 | |
| 26 | struct class_with_except_swap |
| 27 | { |
| 28 | static class_with_except_swap& instance() noexcept; |
| 29 | |
| 30 | friend void swap(class_with_except_swap&, class_with_except_swap&) |
| 31 | { |
| 32 | } |
| 33 | }; |
| 34 | |
| 35 | } // namespace test_ns |
| 36 | |
| 37 | static_assert(noexcept(boost::core::invoke_swap(left&: test_ns::class_with_noexcept_swap::instance(), right&: test_ns::class_with_noexcept_swap::instance())), |
| 38 | "boost::core::invoke_swap for class_with_noexcept_swap should have noexcept specification"); |
| 39 | static_assert(!noexcept(boost::core::invoke_swap(left&: test_ns::class_with_except_swap::instance(), right&: test_ns::class_with_except_swap::instance())), |
| 40 | "boost::core::invoke_swap for class_with_except_swap should not have noexcept specification"); |
| 41 | |
| 42 | #endif // !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_CXX11_STATIC_ASSERT) ... |
| 43 |