trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
		
			
				
	
	
		
			105 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * libjingle
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 * Copyright 2009, Google Inc.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are met:
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 *
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 *  1. Redistributions of source code must retain the above copyright notice,
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 *     this list of conditions and the following disclaimer.
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 *  2. Redistributions in binary form must reproduce the above copyright notice,
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 *     this list of conditions and the following disclaimer in the documentation
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 *     and/or other materials provided with the distribution.
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 *  3. The name of the author may not be used to endorse or promote products
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 *     derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include <string>
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#include "talk/base/event.h"
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#include "talk/base/filelock.h"
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#include "talk/base/fileutils.h"
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#include "talk/base/gunit.h"
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#include "talk/base/pathutils.h"
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#include "talk/base/scoped_ptr.h"
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#include "talk/base/thread.h"
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namespace talk_base {
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const static std::string kLockFile = "TestLockFile";
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const static int kTimeoutMS = 5000;
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class FileLockTest : public testing::Test, public Runnable {
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 public:
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  FileLockTest() : done_(false, false), thread_lock_failed_(false) {
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  }
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  virtual void Run(Thread* t) {
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    scoped_ptr<FileLock> lock(FileLock::TryLock(temp_file_.pathname()));
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    // The lock is already owned by the main thread of
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    // this test, therefore the TryLock(...) call should fail.
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    thread_lock_failed_ = lock.get() == NULL;
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    done_.Set();
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  }
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 protected:
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  virtual void SetUp() {
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    thread_lock_failed_ = false;
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    Filesystem::GetAppTempFolder(&temp_dir_);
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    temp_file_ = Pathname(temp_dir_.pathname(), kLockFile);
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  }
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  void LockOnThread() {
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    locker_.Start(this);
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    done_.Wait(kTimeoutMS);
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  }
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  Event done_;
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  Thread locker_;
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  bool thread_lock_failed_;
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  Pathname temp_dir_;
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  Pathname temp_file_;
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};
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TEST_F(FileLockTest, TestLockFileDeleted) {
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  scoped_ptr<FileLock> lock(FileLock::TryLock(temp_file_.pathname()));
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  EXPECT_TRUE(lock.get() != NULL);
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  EXPECT_FALSE(Filesystem::IsAbsent(temp_file_.pathname()));
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  lock->Unlock();
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  EXPECT_TRUE(Filesystem::IsAbsent(temp_file_.pathname()));
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}
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TEST_F(FileLockTest, TestLock) {
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  scoped_ptr<FileLock> lock(FileLock::TryLock(temp_file_.pathname()));
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  EXPECT_TRUE(lock.get() != NULL);
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}
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TEST_F(FileLockTest, TestLockX2) {
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  scoped_ptr<FileLock> lock1(FileLock::TryLock(temp_file_.pathname()));
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  EXPECT_TRUE(lock1.get() != NULL);
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  scoped_ptr<FileLock> lock2(FileLock::TryLock(temp_file_.pathname()));
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  EXPECT_TRUE(lock2.get() == NULL);
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}
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TEST_F(FileLockTest, TestThreadedLock) {
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  scoped_ptr<FileLock> lock(FileLock::TryLock(temp_file_.pathname()));
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  EXPECT_TRUE(lock.get() != NULL);
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  LockOnThread();
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  EXPECT_TRUE(thread_lock_failed_);
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}
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}  // namespace talk_base
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