mirror of
https://github.com/llvm/llvm-project.git
synced 2025-04-28 09:56:05 +00:00
dd2cfabddb
Currently, there are no tests to confirm without a doubt the constructor of latch is really constexpr and explicit. I think this would be an addition that it would not harm to have. In another revision, I was asked to add tests for an almost identical case which made me consider adding this test for the latch class too. Reviewed By: #libc, philnik Spies: philnik, libcxx-commits, kristof.beyls Differential Revision: https://reviews.llvm.org/D154957
36 lines
865 B
C++
36 lines
865 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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: no-threads
|
|
// UNSUPPORTED: c++03, c++11
|
|
|
|
// <latch>
|
|
|
|
// inline constexpr explicit latch(ptrdiff_t __expected);
|
|
|
|
// Make sure that the ctor of latch is constexpr and explicit.
|
|
|
|
#include <latch>
|
|
|
|
#include "test_convertible.h"
|
|
|
|
static_assert(!test_convertible<std::latch, std::ptrdiff_t>(), "This constructor must be explicit");
|
|
|
|
constexpr bool test() {
|
|
std::latch l(5);
|
|
(void)l;
|
|
return true;
|
|
}
|
|
|
|
int main(int, char**) {
|
|
test();
|
|
static_assert(test(), "");
|
|
|
|
return 0;
|
|
}
|