libcxx/test/libcxx/memory/is_allocator.pass.cpp

//===----------------------------------------------------------------------===//
//
// 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>
// UNSUPPORTED: c++03, c++11, c++14

// template<typename _Alloc>
// struct __is_allocator;

// Is either true_type or false_type depending on if A is an allocator.

#include <memory>
#include <string>

#include "test_macros.h"
#include "min_allocator.h"
#include "test_allocator.h"

template <typename T>
void test_allocators()
{
	static_assert(!std::__is_allocator<T>::value, "" );
	static_assert( std::__is_allocator<std::allocator<T>>::value, "" );
	static_assert( std::__is_allocator<test_allocator<T>>::value, "" );
	static_assert( std::__is_allocator<min_allocator<T>>::value, "" );
}


int main(int, char**)
{
//	test_allocators<void>();
	test_allocators<char>();
	test_allocators<int>();
	test_allocators<std::string>();

  return 0;
}