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- /* Unit testing for outcomes
- (C) 2013-2019 Niall Douglas <http://www.nedproductions.biz/> (6 commits)
- Boost Software License - Version 1.0 - August 17th, 2003
- Permission is hereby granted, free of charge, to any person or organization
- obtaining a copy of the software and accompanying documentation covered by
- this license (the "Software") to use, reproduce, display, distribute,
- execute, and transmit the Software, and to prepare derivative works of the
- Software, and to permit third-parties to whom the Software is furnished to
- do so, all subject to the following:
- The copyright notices in the Software and this entire statement, including
- the above license grant, this restriction and the following disclaimer,
- must be included in all copies of the Software, in whole or in part, and
- all derivative works of the Software, unless such copies or derivative
- works are solely in the form of machine-executable object code generated by
- a source language processor.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
- SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
- FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
- ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- DEALINGS IN THE SOFTWARE.
- */
- #include <boost/outcome/outcome.hpp>
- #include <boost/test/unit_test.hpp>
- #include <boost/test/unit_test_monitor.hpp>
- #ifdef _MSC_VER
- #pragma warning(disable : 4127) // conditional expression is constant
- #endif
- #ifndef BOOST_NO_EXCEPTIONS
- // std nothrow traits seem to return random values if exceptions are disabled on MSVC
- BOOST_OUTCOME_AUTO_TEST_CASE(works_outcome_noexcept, "Tests that the outcome correctly inherits noexcept from its type R")
- {
- using namespace BOOST_OUTCOME_V2_NAMESPACE;
- {
- using type = outcome<int>;
- BOOST_CHECK(std::is_nothrow_copy_constructible<type>::value);
- BOOST_CHECK(std::is_nothrow_move_constructible<type>::value);
- BOOST_CHECK(std::is_nothrow_copy_assignable<type>::value);
- BOOST_CHECK(std::is_nothrow_move_assignable<type>::value);
- BOOST_CHECK(std::is_nothrow_destructible<type>::value);
- }
- {
- using type = outcome<std::string>;
- BOOST_CHECK(std::is_nothrow_copy_constructible<type>::value == std::is_nothrow_copy_constructible<std::string>::value);
- BOOST_CHECK(std::is_nothrow_move_constructible<type>::value == std::is_nothrow_move_constructible<std::string>::value);
- BOOST_CHECK(std::is_nothrow_copy_assignable<type>::value == std::is_nothrow_copy_assignable<std::string>::value);
- BOOST_CHECK(std::is_nothrow_move_assignable<type>::value == std::is_nothrow_move_assignable<std::string>::value);
- BOOST_CHECK(std::is_nothrow_destructible<type>::value == std::is_nothrow_destructible<std::string>::value);
- }
- {
- struct Except
- {
- int n;
- Except() = delete;
- Except(const Except & /*unused*/) noexcept(false)
- : n(0)
- {
- }
- Except(Except && /*unused*/) noexcept(false)
- : n(0)
- {
- }
- Except &operator=(const Except & /*unused*/) noexcept(false) { return *this; }
- Except &operator=(Except && /*unused*/) noexcept(false) { return *this; }
- ~Except() noexcept(false) { n = 0; }
- };
- using type = outcome<Except>;
- BOOST_CHECK(!std::is_nothrow_copy_constructible<type>::value);
- BOOST_CHECK(!std::is_nothrow_move_constructible<type>::value);
- BOOST_CHECK(!std::is_nothrow_copy_assignable<type>::value);
- BOOST_CHECK(!std::is_nothrow_move_assignable<type>::value);
- BOOST_CHECK(!std::is_nothrow_destructible<type>::value);
- }
- }
- #endif
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