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- /*
- * Copyright Andrey Semashev 2007 - 2013.
- * 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)
- */
- /*!
- * \file explicit_operator_bool_noexcept.cpp
- * \author Andrey Semashev
- * \date 26.04.2014
- *
- * \brief This test checks that explicit operator bool is noexcept when possible.
- */
- #define BOOST_TEST_MODULE explicit_operator_bool_noexcept
- #include <boost/config.hpp>
- #if !defined(BOOST_NO_CXX11_NOEXCEPT)
- #include <boost/detail/lightweight_test.hpp>
- #include <boost/utility/explicit_operator_bool.hpp>
- namespace {
- struct checkable1
- {
- BOOST_EXPLICIT_OPERATOR_BOOL()
- bool operator! () const
- {
- return false;
- }
- };
- struct checkable2
- {
- BOOST_CONSTEXPR_EXPLICIT_OPERATOR_BOOL()
- BOOST_CONSTEXPR bool operator! () const
- {
- return false;
- }
- };
- struct noexcept_checkable1
- {
- BOOST_EXPLICIT_OPERATOR_BOOL_NOEXCEPT()
- bool operator! () const noexcept
- {
- return false;
- }
- };
- struct noexcept_checkable2
- {
- BOOST_CONSTEXPR_EXPLICIT_OPERATOR_BOOL()
- BOOST_CONSTEXPR bool operator! () const noexcept
- {
- return false;
- }
- };
- } // namespace
- int main(int, char*[])
- {
- checkable1 val1;
- checkable2 val2;
- noexcept_checkable1 noexcept_val1;
- noexcept_checkable2 noexcept_val2;
- BOOST_TEST(!noexcept(static_cast< bool >(val1)));
- // constexpr functions are implicitly noexcept
- BOOST_TEST(noexcept(static_cast< bool >(val2)));
- BOOST_TEST(noexcept(static_cast< bool >(noexcept_val1)));
- BOOST_TEST(noexcept(static_cast< bool >(noexcept_val2)));
- return boost::report_errors();
- }
- #else
- int main(int, char*[])
- {
- return 0;
- }
- #endif
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