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- /* Unit testing for outcomes
- (C) 2013-2019 Niall Douglas <http://www.nedproductions.biz/> (5 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(issues_0012_test, "outcome's copy assignment gets instantiated even when type T cannot be copied")
- {
- using namespace BOOST_OUTCOME_V2_NAMESPACE;
- const char *s = "hi";
- struct udt // NOLINT
- {
- const char *_v{nullptr};
- udt() = default;
- constexpr explicit udt(const char *v) noexcept : _v(v) {}
- constexpr udt(udt &&o) noexcept : _v(o._v) { o._v = nullptr; }
- udt(const udt &) = delete;
- constexpr udt &operator=(udt &&o) noexcept
- {
- _v = o._v;
- o._v = nullptr;
- return *this;
- }
- udt &operator=(const udt &) = delete;
- constexpr const char *operator*() const noexcept { return _v; }
- };
- static_assert(std::is_move_constructible<outcome<udt>>::value, "expected<udt> is not move constructible!");
- static_assert(!std::is_copy_constructible<outcome<udt>>::value, "expected<udt> is copy constructible!");
- outcome<udt> p(udt{s}), n(boost::system::error_code(ENOMEM, boost::system::generic_category()));
- n = boost::system::error_code(EINVAL, boost::system::generic_category());
- BOOST_CHECK(n.error().value() == EINVAL);
- }
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