5f2da9c80d
AppleClang 15 was released on September 18th and is now stable. Per our policy, we're bumping the supported AppleClang compiler to the latest release. This allows cleaning up the test suite, but most importantly unblocking various other patches that are blocked on bumping the compiler requirements.
67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
//===----------------------------------------------------------------------===//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
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// constexpr ~expected();
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//
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// Effects: If has_value() is true, destroys val, otherwise destroys unex.
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//
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// Remarks: If is_trivially_destructible_v<T> is true, and is_trivially_destructible_v<E> is true,
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// then this destructor is a trivial destructor.
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#include <cassert>
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#include <expected>
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#include <type_traits>
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#include <utility>
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#include <memory>
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#include "test_macros.h"
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// Test Remarks: If is_trivially_destructible_v<T> is true, and is_trivially_destructible_v<E> is true,
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// then this destructor is a trivial destructor.
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struct NonTrivial {
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~NonTrivial() {}
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};
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static_assert(std::is_trivially_destructible_v<std::expected<int, int>>);
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static_assert(!std::is_trivially_destructible_v<std::expected<NonTrivial, int>>);
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static_assert(!std::is_trivially_destructible_v<std::expected<int, NonTrivial>>);
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static_assert(!std::is_trivially_destructible_v<std::expected<NonTrivial, NonTrivial>>);
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struct TrackedDestroy {
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bool& destroyed;
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constexpr TrackedDestroy(bool& b) : destroyed(b) {}
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constexpr ~TrackedDestroy() { destroyed = true; }
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};
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constexpr bool test() {
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// has value
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{
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bool valueDestroyed = false;
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{ [[maybe_unused]] std::expected<TrackedDestroy, TrackedDestroy> e(std::in_place, valueDestroyed); }
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assert(valueDestroyed);
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}
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// has error
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{
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bool errorDestroyed = false;
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{ [[maybe_unused]] std::expected<TrackedDestroy, TrackedDestroy> e(std::unexpect, errorDestroyed); }
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assert(errorDestroyed);
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}
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return true;
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}
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int main(int, char**) {
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std::expected<std::unique_ptr<int>, int> a = std::make_unique<int>(42);
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test();
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static_assert(test());
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return 0;
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}
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