1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9
10// <memory>
11// UNSUPPORTED: c++03, c++11, c++14
12
13// template<typename _Alloc>
14// struct __is_allocator;
15
16// Is either true_type or false_type depending on if A is an allocator.
17
18#include <memory>
19#include <string>
20
21#include "test_macros.h"
22#include "min_allocator.h"
23#include "test_allocator.h"
24
25template <typename T>
26void test_allocators()
27{
28 static_assert(!std::__is_allocator<T>::value, "" );
29 static_assert( std::__is_allocator<std::allocator<T>>::value, "" );
30 static_assert( std::__is_allocator<test_allocator<T>>::value, "" );
31 static_assert( std::__is_allocator<min_allocator<T>>::value, "" );
32}
33
34
35int main(int, char**)
36{
37 // test_allocators<void>();
38 test_allocators<char>();
39 test_allocators<int>();
40 test_allocators<std::string>();
41
42 return 0;
43}
44

source code of libcxx/test/libcxx/memory/is_allocator.pass.cpp