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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <memory>
//
// template <class T>
// class allocator
// {
// public: // All of these are constexpr after C++17
// allocator() noexcept;
// allocator(const allocator&) noexcept;
// template<class U> allocator(const allocator<U>&) noexcept;
// ...
// };
#include <memory>
#include <cstddef>
#include "test_macros.h"
template<class T>
TEST_CONSTEXPR_CXX20 bool test() {
typedef std::allocator<T> A1;
typedef std::allocator<long> A2;
A1 a1;
A1 a1_copy = a1; (void)a1_copy;
A2 a2 = a1; (void)a2;
return true;
}
int main(int, char**) {
test<char>();
test<char const>();
test<void>();
#if TEST_STD_VER > 17
static_assert(test<char>());
static_assert(test<char const>());
static_assert(test<void>());
#endif
return 0;
}
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