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- /* Unit testing for outcomes
- (C) 2013-2019 Niall Douglas <http://www.nedproductions.biz/> (3 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>
- BOOST_OUTCOME_AUTO_TEST_CASE(works_outcome_valueorerror, "Tests that outcome constructs from ValueOrError and ValueOrNone concept inputs")
- {
- using namespace BOOST_OUTCOME_V2_NAMESPACE;
- {
- struct value_or_error
- {
- using value_type = int;
- using error_type = void;
- bool has_value() const { return true; }
- int value() const { return 78; }
- void error() const {}
- } a;
- static_assert(convert::ValueOrNone<value_or_error>, "");
- static_assert(convert::ValueOrError<value_or_error>, "");
- BOOST_CHECK((convert::value_or_error<result<long>, value_or_error>{}(a).value() == 78));
- result<long> b(a);
- BOOST_CHECK(b.has_value());
- BOOST_CHECK(b.value() == 78);
- }
- }
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