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: no-threads |
10 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
11 | |
12 | // <latch> |
13 | |
14 | // inline constexpr explicit latch(ptrdiff_t __expected); |
15 | |
16 | // Make sure that the ctor of latch is constexpr and explicit. |
17 | |
18 | #include <latch> |
19 | |
20 | #include "test_convertible.h" |
21 | |
22 | static_assert(!test_convertible<std::latch, std::ptrdiff_t>(), "This constructor must be explicit"); |
23 | |
24 | constexpr bool test() { |
25 | std::latch l(5); |
26 | (void)l; |
27 | return true; |
28 | } |
29 | |
30 | int main(int, char**) { |
31 | test(); |
32 | static_assert(test(), ""); |
33 | |
34 | return 0; |
35 | } |
36 |