129 lines
4.5 KiB
C++
129 lines
4.5 KiB
C++
/* Unit testing for outcomes
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(C) 2013-2019 Niall Douglas <http://www.nedproductions.biz/> (6 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/outcome.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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BOOST_OUTCOME_AUTO_TEST_CASE(issues_0061_result, "result<T1, E1> does not compare to incompatible result<T2, E2>")
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{
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using namespace BOOST_OUTCOME_V2_NAMESPACE;
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struct udt1
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{
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const char *_v{nullptr};
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udt1() = default;
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constexpr udt1(const char *v) noexcept : _v(v) {} // NOLINT
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udt1(udt1 &&o) = delete;
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udt1(const udt1 &) = delete;
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udt1 &operator=(udt1 &&o) = delete;
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udt1 &operator=(const udt1 &) = delete;
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~udt1() = default;
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constexpr const char *operator*() const noexcept { return _v; }
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};
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struct udt2
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{
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const char *_v{nullptr};
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udt2() = default;
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constexpr explicit udt2(const char *v) noexcept : _v(v) {}
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udt2(udt2 &&o) = delete;
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udt2(const udt2 &) = delete;
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udt2 &operator=(udt2 &&o) = delete;
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udt2 &operator=(const udt2 &) = delete;
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~udt2() = default;
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constexpr const char *operator*() const noexcept { return _v; }
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bool operator==(const udt1 &o) const noexcept { return _v == *o; }
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bool operator!=(const udt1 &o) const noexcept { return _v != *o; }
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};
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using result1 = result<int, udt1>;
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using result2 = result<int, udt2>;
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result1 a(5);
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result2 b(5);
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BOOST_CHECK(b == a); // udt2 will compare to udt1
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BOOST_CHECK(!(b != a)); // udt2 will compare to udt1
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result<void> c = success();
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result<void> d = success();
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BOOST_CHECK(c == d);
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BOOST_CHECK(!(c != d));
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BOOST_CHECK(a == success());
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BOOST_CHECK(success() == a);
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BOOST_CHECK(b != failure("foo"));
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BOOST_CHECK(failure("foo") != b);
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}
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BOOST_OUTCOME_AUTO_TEST_CASE(issues_0061_outcome, "outcome<T1, E1, P1> does not compare to incompatible outcome<T2, E2, P2>")
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{
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using namespace BOOST_OUTCOME_V2_NAMESPACE;
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struct udt1
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{
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const char *_v{nullptr};
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udt1() = default;
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constexpr udt1(const char *v) noexcept : _v(v) {} // NOLINT
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udt1(udt1 &&o) = delete;
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udt1(const udt1 &) = delete;
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udt1 &operator=(udt1 &&o) = delete;
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udt1 &operator=(const udt1 &) = delete;
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~udt1() = default;
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constexpr const char *operator*() const noexcept { return _v; }
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};
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struct udt2
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{
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const char *_v{nullptr};
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udt2() = default;
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constexpr explicit udt2(const char *v) noexcept : _v(v) {}
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udt2(udt2 &&o) = delete;
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udt2(const udt2 &) = delete;
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udt2 &operator=(udt2 &&o) = delete;
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udt2 &operator=(const udt2 &) = delete;
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~udt2() = default;
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constexpr const char *operator*() const noexcept { return _v; }
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bool operator==(const udt1 &o) const noexcept { return _v == *o; }
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bool operator!=(const udt1 &o) const noexcept { return _v != *o; }
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};
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using outcome1 = outcome<int, udt1>;
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using outcome2 = outcome<int, udt2>;
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outcome1 a(5), _a(6);
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outcome2 b(5);
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BOOST_CHECK(b == a); // udt2 will compare to udt1
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BOOST_CHECK(!(b != a)); // udt2 will compare to udt1
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outcome<void> c = success();
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outcome<void> d = success();
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BOOST_CHECK(c == d);
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BOOST_CHECK(!(c != d));
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BOOST_CHECK(a == success());
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BOOST_CHECK(success() == a);
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BOOST_CHECK(b != failure("foo"));
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BOOST_CHECK(failure("foo") != b);
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}
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