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Diffstat (limited to 'src/boost/libs/outcome/test/tests/udts.cpp')
-rw-r--r-- | src/boost/libs/outcome/test/tests/udts.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/src/boost/libs/outcome/test/tests/udts.cpp b/src/boost/libs/outcome/test/tests/udts.cpp new file mode 100644 index 00000000..de87120c --- /dev/null +++ b/src/boost/libs/outcome/test/tests/udts.cpp @@ -0,0 +1,154 @@ +/* Unit testing for outcomes +(C) 2013-2019 Niall Douglas <http://www.nedproductions.biz/> (7 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 : 4702) // unreachable code +#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_udts, "Tests that the outcome works as intended with user-defined types") +{ + using namespace BOOST_OUTCOME_V2_NAMESPACE; + // No default constructor, no copy/move, no assignment + { + struct udt + { + int a; + explicit udt(int _a) + : a(_a) + { + } + udt() = delete; + udt(const udt &) = delete; + udt(udt &&) = delete; + udt &operator=(const udt &) = delete; + udt &operator=(udt &&) = delete; + ~udt() = default; + }; + outcome<udt> foo(in_place_type<udt>, 5); + BOOST_CHECK(5 == foo.value().a); + } +#ifndef BOOST_NO_EXCEPTIONS + // Emplace construct, throws during move and copy + { + struct udt + { + std::string a; + explicit udt(std::string _a) + : a(std::move(_a)) + { + } + udt() = delete; + udt(const udt & /*unused*/) { throw std::logic_error("copy"); } + udt(udt && /*unused*/) noexcept(false) { throw std::logic_error("move"); } // NOLINT + udt &operator=(const udt & /*unused*/) { throw std::logic_error("copy"); } + udt &operator=(udt && /*unused*/) noexcept(false) { throw std::logic_error("move"); } // NOLINT + ~udt() { a.clear(); } + }; + static_assert(!std::is_default_constructible<udt>::value, "udt is default constructible"); + static_assert(std::is_copy_constructible<udt>::value, "udt is not copy constructible"); + static_assert(std::is_move_constructible<udt>::value, "udt is not move constructible"); + static_assert(!std::is_default_constructible<outcome<udt>>::value, "outcome<udt> is default constructible"); + static_assert(std::is_copy_constructible<outcome<udt>>::value, "outcome<udt> is not copy constructible"); + static_assert(std::is_move_constructible<outcome<udt>>::value, "outcome<udt> is not move constructible"); + // Emplace constructs + outcome<udt> foo(in_place_type<udt>, "niall"); + BOOST_CHECK("niall" == foo.value().a); + try + { + auto foo2(foo); // NOLINT + BOOST_CHECK(false); + } + catch(const std::logic_error &e) + { + BOOST_CHECK(!strcmp(e.what(), "copy")); + } + catch(...) + { + BOOST_CHECK(false); + } + BOOST_CHECK("niall" == foo.value().a); + try + { + auto foo2(std::move(foo)); + BOOST_CHECK(false); + } + catch(const std::logic_error &e) + { + BOOST_CHECK(!strcmp(e.what(), "move")); + } + catch(...) + { + BOOST_CHECK(false); + } + BOOST_CHECK("niall" == foo.value().a); // NOLINT + // Does throwing during copy assignment work? + { + outcome<udt> foo2(in_place_type<udt>, "douglas"); + try + { + foo2 = foo; + BOOST_CHECK(false); + } + catch(const std::logic_error &e) + { + BOOST_CHECK(!strcmp(e.what(), "copy")); + BOOST_CHECK(foo2.value().a == "douglas"); + } + catch(...) + { + BOOST_CHECK(false); + } + BOOST_CHECK("niall" == foo.value().a); + } + // Does throwing during move assignment work? + { + outcome<udt> foo2(in_place_type<udt>, "douglas"); + try + { + foo2 = std::move(foo); + BOOST_CHECK(false); + } + catch(const std::logic_error &e) + { + BOOST_CHECK(!strcmp(e.what(), "move")); + BOOST_CHECK(foo2.value().a == "douglas"); + } + catch(...) + { + BOOST_CHECK(false); + } + BOOST_CHECK("niall" == foo.value().a); // NOLINT + } + } +#endif +} |