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b7dd4edb 1// { dg-options "-std=gnu++11" }
2// { dg-do compile }
3
f1717362 4// Copyright (C) 2013-2016 Free Software Foundation, Inc.
b7dd4edb 5//
6// This file is part of the GNU ISO C++ Library. This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 3, or (at your option)
10// any later version.
11
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15// GNU General Public License for more details.
16
17// You should have received a copy of the GNU General Public License along
18// with this library; see the file COPYING3. If not see
19// <http://www.gnu.org/licenses/>.
20
21#include <atomic>
22#include <testsuite_common_types.h>
23
24#define TEST_ALL_ORDERS() \
25 do { \
26 ORDER_TEST(std::memory_order_relaxed); \
27 ORDER_TEST(std::memory_order_consume); \
28 ORDER_TEST(std::memory_order_acquire); \
29 ORDER_TEST(std::memory_order_release); \
30 ORDER_TEST(std::memory_order_acq_rel); \
31 ORDER_TEST(std::memory_order_seq_cst); \
32 } while(0)
33
34void test01()
35{
36#define ORDER_TEST(ORDER) \
37 do { \
38 __gnu_test::compare_exchange_order_lowering<ORDER> test; \
39 __gnu_cxx::typelist::apply_generator(test, \
40 __gnu_test::integral_types::type()); \
41 } while (0);
42 TEST_ALL_ORDERS();
43#undef ORDER_TEST
44
45 enum e { a, b, c };
46#define ORDER_TEST(ORDER) \
47 do { \
48 std::atomic<e> x(a); \
49 e expected = a; \
50 x.compare_exchange_strong(expected, b, ORDER); \
51 x.compare_exchange_weak(expected, c, ORDER); \
52 } while (0);
53 TEST_ALL_ORDERS();
54#undef ORDER_TEST
55
56#define ORDER_TEST(ORDER) \
57 do { \
58 std::atomic<void*> x(nullptr); \
59 void* expected = nullptr; \
60 x.compare_exchange_strong(expected, nullptr, ORDER); \
61 x.compare_exchange_weak(expected, nullptr, ORDER); \
62 } while (0);
63 TEST_ALL_ORDERS();
64#undef ORDER_TEST
65}