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 // UNSUPPORTED: libcpp-has-no-threads
10 
11 // <future>
12 
13 // enum class launch
14 // {
15 //     async = 1,
16 //     deferred = 2,
17 //     any = async | deferred /* EXTENSION */
18 // };
19 
20 #include <future>
21 #include <cassert>
22 
23 #include "test_macros.h"
24 
25 int main(int, char**)
26 {
27 #if TEST_STD_VER < 11
28    LIBCPP_STATIC_ASSERT(static_cast<int>(std::launch::any) ==
29                  (static_cast<int>(std::launch::async) | static_cast<int>(std::launch::deferred)), "");
30 #else
31     LIBCPP_STATIC_ASSERT(std::launch::any == (std::launch::async | std::launch::deferred), "");
32     static_assert(std::launch(0) == (std::launch::async & std::launch::deferred), "");
33     LIBCPP_STATIC_ASSERT(std::launch::any == (std::launch::async ^ std::launch::deferred), "");
34     LIBCPP_STATIC_ASSERT(std::launch::deferred == ~std::launch::async, "");
35     std::launch x = std::launch::async;
36     x &= std::launch::deferred;
37     assert(x == std::launch(0));
38     x = std::launch::async;
39     x |= std::launch::deferred;
40     LIBCPP_ASSERT(x == std::launch::any);
41     x ^= std::launch::deferred;
42     assert(x == std::launch::async);
43 #endif
44     static_assert(static_cast<int>(std::launch::async) == 1, "");
45     static_assert(static_cast<int>(std::launch::deferred) == 2, "");
46 
47   return 0;
48 }
49