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 Clock, class Duration>
12// unique_lock::unique_lock(mutex_type& m, const chrono::time_point<Clock, Duration>& abs_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
23 { // check successful lock
24 mux.reject = false;
25 std::unique_lock<checking_mutex> lock(mux, std::chrono::time_point<std::chrono::system_clock>());
26 assert(mux.current_state == checking_mutex::locked_via_try_lock_until);
27 assert(lock.owns_lock());
28 }
29 assert(mux.current_state == checking_mutex::unlocked);
30
31 { // check unsuccessful lock
32 mux.reject = true;
33 std::unique_lock<checking_mutex> lock(mux, std::chrono::time_point<std::chrono::system_clock>());
34 assert(mux.current_state == checking_mutex::unlocked);
35 assert(mux.last_try == checking_mutex::locked_via_try_lock_until);
36 assert(!lock.owns_lock());
37 }
38 assert(mux.current_state == checking_mutex::unlocked);
39
40 return 0;
41}
42

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