| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // UNSUPPORTED: libcpp-has-no-threads |
| |
| // <future> |
| |
| // class promise<R> |
| |
| // template <class R, class Alloc> |
| // struct uses_allocator<promise<R>, Alloc> |
| // : true_type { }; |
| |
| #include <future> |
| #include "test_macros.h" |
| #include "test_allocator.h" |
| |
| int main(int, char**) |
| { |
| static_assert((std::uses_allocator<std::promise<int>, test_allocator<int> >::value), ""); |
| static_assert((std::uses_allocator<std::promise<int&>, test_allocator<int> >::value), ""); |
| static_assert((std::uses_allocator<std::promise<void>, test_allocator<void> >::value), ""); |
| |
| return 0; |
| } |