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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 Mutex> class unique_lock;
// void unlock();
#include <cassert>
#include <mutex>
#include <system_error>
#include "test_macros.h"
#include "checking_mutex.h"
int main(int, char**) {
checking_mutex mux;
std::unique_lock<checking_mutex> lock(mux);
assert(mux.current_state == checking_mutex::locked_via_lock);
lock.unlock();
assert(mux.current_state == checking_mutex::unlocked);
assert(!lock.owns_lock());
#ifndef TEST_HAS_NO_EXCEPTIONS
try {
mux.last_try = checking_mutex::none;
lock.unlock();
assert(false);
} catch (std::system_error& e) {
assert(mux.last_try == checking_mutex::none);
assert(e.code() == std::errc::operation_not_permitted);
}
#endif
lock.release();
#ifndef TEST_HAS_NO_EXCEPTIONS
try {
mux.last_try = checking_mutex::none;
lock.unlock();
assert(false);
} catch (std::system_error& e) {
assert(mux.last_try == checking_mutex::none);
assert(e.code() == std::errc::operation_not_permitted);
}
#endif
return 0;
}
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