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// <mutex>
10
11// template <class Rep, class Period>
12// unique_lock::unique_lock(mutex_type& m, const chrono::duration<Rep, Period>& rel_time);
13
14#include <cassert>
15#include <chrono>
16#include <mutex>
17
18#include "checking_mutex.h"
19
20int main(int, char**) {
21 checking_mutex mux;
22 { // check successful lock
23 mux.reject = false;
24 std::unique_lock<checking_mutex> lock(mux, std::chrono::seconds());
25 assert(mux.current_state == checking_mutex::locked_via_try_lock_for);
26 assert(lock.owns_lock());
27 }
28 assert(mux.current_state == checking_mutex::unlocked);
29
30 { // check unsuccessful lock
31 mux.reject = true;
32 std::unique_lock<checking_mutex> lock(mux, std::chrono::seconds());
33 assert(mux.current_state == checking_mutex::unlocked);
34 assert(mux.last_try == checking_mutex::locked_via_try_lock_for);
35 assert(!lock.owns_lock());
36 }
37 assert(mux.current_state == checking_mutex::unlocked);
38
39 return 0;
40}
41

source code of libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.cons/mutex_duration.pass.cpp