1 /* 2 * Copyright 2009 The WebRTC Project Authors. All rights reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include <string> 12 13 #include "webrtc/base/event.h" 14 #include "webrtc/base/filelock.h" 15 #include "webrtc/base/fileutils.h" 16 #include "webrtc/base/gunit.h" 17 #include "webrtc/base/pathutils.h" 18 #include "webrtc/base/scoped_ptr.h" 19 #include "webrtc/base/thread.h" 20 21 namespace rtc { 22 23 const static std::string kLockFile = "TestLockFile"; 24 const static int kTimeoutMS = 5000; 25 26 class FileLockTest : public testing::Test, public Runnable { 27 public: 28 FileLockTest() : done_(false, false), thread_lock_failed_(false) { 29 } 30 31 virtual void Run(Thread* t) { 32 scoped_ptr<FileLock> lock(FileLock::TryLock(temp_file_.pathname())); 33 // The lock is already owned by the main thread of 34 // this test, therefore the TryLock(...) call should fail. 35 thread_lock_failed_ = lock.get() == NULL; 36 done_.Set(); 37 } 38 39 protected: 40 virtual void SetUp() { 41 thread_lock_failed_ = false; 42 Filesystem::GetAppTempFolder(&temp_dir_); 43 temp_file_ = Pathname(temp_dir_.pathname(), kLockFile); 44 } 45 46 void LockOnThread() { 47 locker_.Start(this); 48 done_.Wait(kTimeoutMS); 49 } 50 51 Event done_; 52 Thread locker_; 53 bool thread_lock_failed_; 54 Pathname temp_dir_; 55 Pathname temp_file_; 56 }; 57 58 TEST_F(FileLockTest, TestLockFileDeleted) { 59 scoped_ptr<FileLock> lock(FileLock::TryLock(temp_file_.pathname())); 60 EXPECT_TRUE(lock.get() != NULL); 61 EXPECT_FALSE(Filesystem::IsAbsent(temp_file_.pathname())); 62 lock->Unlock(); 63 EXPECT_TRUE(Filesystem::IsAbsent(temp_file_.pathname())); 64 } 65 66 TEST_F(FileLockTest, TestLock) { 67 scoped_ptr<FileLock> lock(FileLock::TryLock(temp_file_.pathname())); 68 EXPECT_TRUE(lock.get() != NULL); 69 } 70 71 TEST_F(FileLockTest, TestLockX2) { 72 scoped_ptr<FileLock> lock1(FileLock::TryLock(temp_file_.pathname())); 73 EXPECT_TRUE(lock1.get() != NULL); 74 75 scoped_ptr<FileLock> lock2(FileLock::TryLock(temp_file_.pathname())); 76 EXPECT_TRUE(lock2.get() == NULL); 77 } 78 79 TEST_F(FileLockTest, TestThreadedLock) { 80 scoped_ptr<FileLock> lock(FileLock::TryLock(temp_file_.pathname())); 81 EXPECT_TRUE(lock.get() != NULL); 82 83 LockOnThread(); 84 EXPECT_TRUE(thread_lock_failed_); 85 } 86 87 } // namespace rtc 88
