henrike@webrtc.org | f7795df | 2014-05-13 18:00:26 +0000 | [diff] [blame^] | 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 |