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-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <atomic>
10
11// typedef enum memory_order
12// {
13// memory_order_relaxed, memory_order_consume, memory_order_acquire,
14// memory_order_release, memory_order_acq_rel, memory_order_seq_cst
15// } memory_order;
16
17#include <atomic>
18#include <cassert>
19
20#include "test_macros.h"
21
22int main(int, char**)
23{
24 assert(static_cast<int>(std::memory_order_relaxed) == 0);
25 assert(static_cast<int>(std::memory_order_consume) == 1);
26 assert(static_cast<int>(std::memory_order_acquire) == 2);
27 assert(static_cast<int>(std::memory_order_release) == 3);
28 assert(static_cast<int>(std::memory_order_acq_rel) == 4);
29 assert(static_cast<int>(std::memory_order_seq_cst) == 5);
30
31 std::memory_order o = std::memory_order_seq_cst;
32 assert(static_cast<int>(o) == 5);
33
34 return 0;
35}
36

source code of libcxx/test/std/atomics/atomics.order/memory_order.pass.cpp