| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // This test is marked XFAIL and not UNSUPPORTED because the non-variadic |
| // declaration of packaged_task is available in C++03. Therefore the test |
| // should fail because the static_assert fires and not because std::packaged_task |
| // in undefined. |
| // XFAIL: c++03 |
| |
| // <future> |
| // REQUIRES: c++11 || c++14 |
| // packaged_task allocator support was removed in C++17 (LWG 2976) |
| |
| // class packaged_task<R(ArgTypes...)> |
| |
| // template <class Callable, class Alloc> |
| // struct uses_allocator<packaged_task<Callable>, Alloc> |
| // : true_type { }; |
| |
| #include <future> |
| #include "test_macros.h" |
| #include "test_allocator.h" |
| |
| int main(int, char**) |
| { |
| static_assert((std::uses_allocator<std::packaged_task<double(int, char)>, test_allocator<int> >::value), ""); |
| |
| return 0; |
| } |