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libcxx_old/test/std/thread/futures/futures.promise/uses_allocator.pass.cpp

31 lines
948 B
C++

//===----------------------------------------------------------------------===//
//
// 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;
}