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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// <mutex>
// template <class Rep, class Period>
// unique_lock::unique_lock(mutex_type& m, const chrono::duration<Rep, Period>& rel_time);
#include <cassert>
#include <chrono>
#include <mutex>
#include "checking_mutex.h"
int main(int, char**) {
checking_mutex mux;
{ // check successful lock
mux.reject = false;
std::unique_lock<checking_mutex> lock(mux, std::chrono::seconds());
assert(mux.current_state == checking_mutex::locked_via_try_lock_for);
assert(lock.owns_lock());
}
assert(mux.current_state == checking_mutex::unlocked);
{ // check unsuccessful lock
mux.reject = true;
std::unique_lock<checking_mutex> lock(mux, std::chrono::seconds());
assert(mux.current_state == checking_mutex::unlocked);
assert(mux.last_try == checking_mutex::locked_via_try_lock_for);
assert(!lock.owns_lock());
}
assert(mux.current_state == checking_mutex::unlocked);
return 0;
}
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