henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * libjingle |
| 3 | * Copyright 2009, Google Inc. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * 3. The name of the author may not be used to endorse or promote products |
| 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| 19 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 20 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 22 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 23 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 24 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 25 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #include <string> |
| 29 | |
| 30 | #include "talk/base/event.h" |
| 31 | #include "talk/base/filelock.h" |
| 32 | #include "talk/base/fileutils.h" |
| 33 | #include "talk/base/gunit.h" |
| 34 | #include "talk/base/pathutils.h" |
| 35 | #include "talk/base/scoped_ptr.h" |
| 36 | #include "talk/base/thread.h" |
| 37 | |
| 38 | namespace talk_base { |
| 39 | |
| 40 | const static std::string kLockFile = "TestLockFile"; |
| 41 | const static int kTimeoutMS = 5000; |
| 42 | |
| 43 | class FileLockTest : public testing::Test, public Runnable { |
| 44 | public: |
| 45 | FileLockTest() : done_(false, false), thread_lock_failed_(false) { |
| 46 | } |
| 47 | |
| 48 | virtual void Run(Thread* t) { |
| 49 | scoped_ptr<FileLock> lock(FileLock::TryLock(temp_file_.pathname())); |
| 50 | // The lock is already owned by the main thread of |
| 51 | // this test, therefore the TryLock(...) call should fail. |
| 52 | thread_lock_failed_ = lock.get() == NULL; |
| 53 | done_.Set(); |
| 54 | } |
| 55 | |
| 56 | protected: |
| 57 | virtual void SetUp() { |
| 58 | thread_lock_failed_ = false; |
| 59 | Filesystem::GetAppTempFolder(&temp_dir_); |
| 60 | temp_file_ = Pathname(temp_dir_.pathname(), kLockFile); |
| 61 | } |
| 62 | |
| 63 | void LockOnThread() { |
| 64 | locker_.Start(this); |
| 65 | done_.Wait(kTimeoutMS); |
| 66 | } |
| 67 | |
| 68 | Event done_; |
| 69 | Thread locker_; |
| 70 | bool thread_lock_failed_; |
| 71 | Pathname temp_dir_; |
| 72 | Pathname temp_file_; |
| 73 | }; |
| 74 | |
| 75 | TEST_F(FileLockTest, TestLockFileDeleted) { |
| 76 | scoped_ptr<FileLock> lock(FileLock::TryLock(temp_file_.pathname())); |
| 77 | EXPECT_TRUE(lock.get() != NULL); |
| 78 | EXPECT_FALSE(Filesystem::IsAbsent(temp_file_.pathname())); |
| 79 | lock->Unlock(); |
| 80 | EXPECT_TRUE(Filesystem::IsAbsent(temp_file_.pathname())); |
| 81 | } |
| 82 | |
| 83 | TEST_F(FileLockTest, TestLock) { |
| 84 | scoped_ptr<FileLock> lock(FileLock::TryLock(temp_file_.pathname())); |
| 85 | EXPECT_TRUE(lock.get() != NULL); |
| 86 | } |
| 87 | |
| 88 | TEST_F(FileLockTest, TestLockX2) { |
| 89 | scoped_ptr<FileLock> lock1(FileLock::TryLock(temp_file_.pathname())); |
| 90 | EXPECT_TRUE(lock1.get() != NULL); |
| 91 | |
| 92 | scoped_ptr<FileLock> lock2(FileLock::TryLock(temp_file_.pathname())); |
| 93 | EXPECT_TRUE(lock2.get() == NULL); |
| 94 | } |
| 95 | |
| 96 | TEST_F(FileLockTest, TestThreadedLock) { |
| 97 | scoped_ptr<FileLock> lock(FileLock::TryLock(temp_file_.pathname())); |
| 98 | EXPECT_TRUE(lock.get() != NULL); |
| 99 | |
| 100 | LockOnThread(); |
| 101 | EXPECT_TRUE(thread_lock_failed_); |
| 102 | } |
| 103 | |
| 104 | } // namespace talk_base |