| //===----------------------------------------------------------------------===// |
| // |
| // 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: c++98, c++03 |
| |
| // <memory> |
| |
| // template <class T> |
| // pair<T*, ptrdiff_t> |
| // get_temporary_buffer(ptrdiff_t n); |
| // |
| // template <class T> |
| // void |
| // return_temporary_buffer(T* p); |
| |
| #include <memory> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| struct alignas(32) A { |
| int field; |
| }; |
| |
| int main(int, char**) |
| { |
| std::pair<A*, std::ptrdiff_t> ip = std::get_temporary_buffer<A>(5); |
| assert(!(ip.first == nullptr) ^ (ip.second == 0)); |
| assert(reinterpret_cast<uintptr_t>(ip.first) % alignof(A) == 0); |
| std::return_temporary_buffer(ip.first); |
| |
| return 0; |
| } |