27 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8//9// UNSUPPORTED: no-threads10 11// packaged_task allocator support was removed in C++17 (LWG 2976)12// REQUIRES: c++11 || c++1413 14// <future>15 16// class packaged_task<R(ArgTypes...)>17 18// template <class Callable, class Alloc>19// struct uses_allocator<packaged_task<Callable>, Alloc>20// : true_type { };21 22#include <future>23#include "test_macros.h"24#include "test_allocator.h"25 26static_assert((std::uses_allocator<std::packaged_task<double(int, char)>, test_allocator<int> >::value), "");27