70 lines
3.2 KiB
C++
70 lines
3.2 KiB
C++
/* Unit testing for outcomes
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(C) 2017-2019 Niall Douglas <http://www.nedproductions.biz/> (10 commits)
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Boost Software License - Version 1.0 - August 17th, 2003
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Permission is hereby granted, free of charge, to any person or organization
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obtaining a copy of the software and accompanying documentation covered by
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this license (the "Software") to use, reproduce, display, distribute,
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execute, and transmit the Software, and to prepare derivative works of the
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Software, and to permit third-parties to whom the Software is furnished to
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do so, all subject to the following:
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The copyright notices in the Software and this entire statement, including
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the above license grant, this restriction and the following disclaimer,
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must be included in all copies of the Software, in whole or in part, and
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all derivative works of the Software, unless such copies or derivative
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works are solely in the form of machine-executable object code generated by
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a source language processor.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#include <boost/outcome/result.hpp>
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#include <boost/test/unit_test.hpp>
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#include <boost/test/unit_test_monitor.hpp>
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#include <iostream>
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BOOST_OUTCOME_AUTO_TEST_CASE(works_success_failure, "Tests that the success and failure type sugars work as intended")
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{
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using namespace BOOST_OUTCOME_V2_NAMESPACE;
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#ifdef __cpp_deduction_guides
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std::cout << "__cpp_deduction_guides = 1" << std::endl;
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#endif
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{
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auto a = success(5);
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auto b = success();
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auto c = success("hello");
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static_assert(std::is_same<decltype(a), success_type<int>>::value, "");
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static_assert(std::is_same<decltype(b), success_type<void>>::value, "");
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static_assert(std::is_same<decltype(c), success_type<const char *>>::value, "");
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static_assert(std::is_same<decltype(a)::value_type, int>::value, "");
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// static_assert(std::is_same<decltype(b.value), int>::value, "");
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static_assert(std::is_same<decltype(c)::value_type, const char *>::value, "");
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}
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#if !defined(__APPLE__) || defined(__cpp_exceptions)
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{
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auto e = boost::copy_exception(std::exception());
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auto a = failure(5);
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auto b = failure(5, e);
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auto c = failure(5, 5);
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static_assert(std::is_same<decltype(a), failure_type<int, void>>::value, "");
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static_assert(std::is_same<decltype(b), failure_type<int, boost::exception_ptr>>::value, "");
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static_assert(std::is_same<decltype(c), failure_type<int, int>>::value, "");
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static_assert(std::is_same<decltype(a)::error_type, int>::value, "");
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static_assert(std::is_same<decltype(b)::error_type, int>::value, "");
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static_assert(std::is_same<decltype(b)::exception_type, boost::exception_ptr>::value, "");
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static_assert(std::is_same<decltype(c)::error_type, int>::value, "");
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static_assert(std::is_same<decltype(c)::exception_type, int>::value, "");
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}
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#endif
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}
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