153 lines
3.8 KiB
C++
153 lines
3.8 KiB
C++
//===----------------------------------------------------------------------===//
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//
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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
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// template<class T, class... Args>
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// concept constructible_from;
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// destructible<T> && is_constructible_v<T, Args...>;
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#include <array>
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#include <concepts>
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#include <memory>
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#include <string>
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#include <type_traits>
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struct Empty {};
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struct Defaulted {
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~Defaulted() = default;
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};
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struct Deleted {
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~Deleted() = delete;
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};
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struct Noexcept {
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~Noexcept() noexcept;
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};
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struct NoexceptTrue {
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~NoexceptTrue() noexcept(true);
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};
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struct NoexceptFalse {
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~NoexceptFalse() noexcept(false);
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};
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struct Protected {
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protected:
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~Protected() = default;
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};
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struct Private {
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private:
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~Private() = default;
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};
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template <class T>
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struct NoexceptDependant {
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~NoexceptDependant() noexcept(std::is_same_v<T, int>);
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};
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template <class T, class... Args>
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void test() {
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static_assert(std::constructible_from<T, Args...> ==
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(std::destructible<T> && std::is_constructible_v<T, Args...>));
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}
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void test() {
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test<bool>();
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test<bool, bool>();
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test<char>();
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test<char, char>();
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test<char, int>();
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test<int>();
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test<int, int>();
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test<int, int, int>();
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test<double, int>();
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test<double, float>();
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test<double, long double>();
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test<void>();
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test<void, bool>();
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test<void, int>();
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test<void*>();
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test<void*, std::nullptr_t>();
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test<int*>();
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test<int*, std::nullptr_t>();
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test<int[], int, int, int>();
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test<int[1]>();
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test<int[1], int>();
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test<int[1], int, int>();
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test<int (*)(int)>();
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test<int (*)(int), int>();
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test<int (*)(int), double>();
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test<int (*)(int), std::nullptr_t>();
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test<int (*)(int), int (*)(int)>();
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test<void (Empty::*)(const int&)>();
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test<void (Empty::*)(const int&), std::nullptr_t>();
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test<void (Empty::*)(const int&) const>();
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test<void (Empty::*)(const int&) const, void (Empty::*)(const int&)>();
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test<void (Empty::*)(const int&) volatile>();
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test<void (Empty::*)(const int&) volatile,
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void (Empty::*)(const int&) const volatile>();
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test<void (Empty::*)(const int&) const volatile>();
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test<void (Empty::*)(const int&) const volatile, double>();
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test<void (Empty::*)(const int&)&>();
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test<void (Empty::*)(const int&)&, void (Empty::*)(const int&) &&>();
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test<void (Empty::*)(const int&) &&>();
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test<void (Empty::*)(const int&)&&, void (Empty::*)(const int&)>();
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test<void (Empty::*)(const int&) throw()>();
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test<void (Empty::*)(const int&) throw(),
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void(Empty::*)(const int&) noexcept(true)>();
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test<void (Empty::*)(const int&) noexcept>();
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test<void (Empty::*)(const int&) noexcept(true)>();
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test<void (Empty::*)(const int&) noexcept(true),
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void (Empty::*)(const int&) noexcept(false)>();
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test<void (Empty::*)(const int&) noexcept(false)>();
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test<int&>();
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test<int&, int>();
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test<int&&>();
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test<int&&, int>();
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test<Empty>();
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test<Defaulted>();
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test<Deleted>();
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test<NoexceptTrue>();
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test<NoexceptFalse>();
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test<Noexcept>();
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test<Protected>();
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test<Private>();
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test<NoexceptDependant<int> >();
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test<NoexceptDependant<double> >();
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test<std::string, char*>();
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test<std::string, const char*>();
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test<std::string, std::string&>();
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test<std::string, std::initializer_list<char> >();
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test<std::unique_ptr<int>, std::unique_ptr<int> >();
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test<std::unique_ptr<int>, std::unique_ptr<int>&>();
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test<std::unique_ptr<int>, std::unique_ptr<int>&&>();
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test<std::array<int, 1> >();
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test<std::array<int, 1>, int>();
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test<std::array<int, 1>, int, int>();
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}
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int main(int, char**) { return 0; }
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