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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.
- */
- #ifdef _MSC_VER
- #pragma warning(disable : 4127) // conditional expression is constant
- #pragma warning(disable : 4244) // conversion from int to short
- #endif
- #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_comparison, "Tests that the outcome can compare to compatible outcomes")
- {
- #if !defined(__APPLE__) || defined(__cpp_exceptions)
- using namespace BOOST_OUTCOME_V2_NAMESPACE;
- auto p = boost::copy_exception(std::runtime_error("hi"));
- // value comparison
- {
- outcome<int> a(1), b(2), c(2);
- BOOST_CHECK(a == a);
- BOOST_CHECK(b == b);
- BOOST_CHECK(c == c);
- BOOST_CHECK(a != b);
- BOOST_CHECK(b == c);
- }
- // homogeneous outcome comparison
- {
- outcome<int> a(1), b(2), c(boost::system::errc::invalid_argument), d(p);
- BOOST_CHECK(a == a);
- BOOST_CHECK(a != b);
- BOOST_CHECK(a != c);
- BOOST_CHECK(a != d);
- BOOST_CHECK(b == b);
- BOOST_CHECK(b != c);
- BOOST_CHECK(b != d);
- BOOST_CHECK(c == c);
- BOOST_CHECK(c != d);
- BOOST_CHECK(d == d);
- outcome<int> e(boost::system::errc::invalid_argument), f(p);
- BOOST_CHECK(c == e);
- BOOST_CHECK(d == f);
- }
- // heterogeneous outcome comparison, so outcome<int> to outcome<double> etc
- {
- outcome<int> a(1);
- outcome<double> b(1);
- outcome<unsigned short> c(1);
- BOOST_CHECK(a == b);
- BOOST_CHECK(a == c);
- BOOST_CHECK(b == a);
- BOOST_CHECK(b == c);
- BOOST_CHECK(c == a);
- BOOST_CHECK(c == b);
- // outcome<void> e(in_place_type<void>);
- outcome<unsigned short> f(boost::system::errc::invalid_argument);
- outcome<double> g(p);
- // BOOST_CHECK(a != e);
- BOOST_CHECK(a != f);
- BOOST_CHECK(a != g);
- // BOOST_CHECK(e != f);
- BOOST_CHECK(f != g);
- }
- // upconverting outcome comparison, so outcome<int>==result<int> etc
- {
- outcome<int> a(1);
- result<int> b(1);
- BOOST_CHECK(a == b);
- BOOST_CHECK(b == a);
- // result<void> e(in_place_type<void>), f(boost::system::errc::invalid_argument);
- // BOOST_CHECK(a != e);
- // BOOST_CHECK(a != f);
- }
- // Should I do outcome<int>(5) == 5? Unsure if it's wise
- #endif
- }
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