//===----------------------------------------------------------------------===//
//
// 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>
// allocator:
// constexpr T* allocate(size_type n);
// UNSUPPORTED: c++03, c++11, c++14, c++17
#include <cstddef>
#include <memory>
#include "test_macros.h"
template <typename T>
constexpr bool test()
{
typedef std::allocator<T> A;
typedef std::allocator_traits<A> AT;
A a;
TEST_IGNORE_NODISCARD a.allocate(AT::max_size(a) + 1); // just barely too large
TEST_IGNORE_NODISCARD a.allocate(AT::max_size(a) * 2); // significantly too large
TEST_IGNORE_NODISCARD a.allocate(((std::size_t) -1) / sizeof(T) + 1); // multiply will overflow
TEST_IGNORE_NODISCARD a.allocate((std::size_t) -1); // way too large
return true;
}
void f() {
static_assert(test<double>()); // expected-error {{static assertion expression is not an integral constant expression}}
}