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1// Copyright (c) Facebook, Inc. and its affiliates. (http://www.facebook.com)
2#include "mutex.h"
3
4#include "gtest/gtest.h"
5
6namespace py {
7
8TEST(MutexTest, TryLockWithBusyLockReturnsFailure) {
9 Mutex mu;
10 mu.lock();
11 EXPECT_FALSE(mu.tryLock());
12
13 mu.unlock();
14}
15
16TEST(MutexTest, ReleaseWithBusyLockAllowsItToBeAcquiredAgain) {
17 Mutex mu;
18 mu.lock();
19 mu.unlock();
20 EXPECT_TRUE(mu.tryLock());
21
22 mu.unlock();
23}
24
25} // namespace py