3
* Copyright 2009, Google Inc.
5
* Redistribution and use in source and binary forms, with or without
6
* modification, are permitted provided that the following conditions are met:
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.
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.
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"
40
const static std::string kLockFile = "TestLockFile";
41
const static int kTimeoutMS = 5000;
43
class FileLockTest : public testing::Test, public Runnable {
45
FileLockTest() : done_(false, false), thread_lock_failed_(false) {
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;
57
virtual void SetUp() {
58
thread_lock_failed_ = false;
59
Filesystem::GetAppTempFolder(&temp_dir_);
60
temp_file_ = Pathname(temp_dir_.pathname(), kLockFile);
65
done_.Wait(kTimeoutMS);
70
bool thread_lock_failed_;
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()));
80
EXPECT_TRUE(Filesystem::IsAbsent(temp_file_.pathname()));
83
TEST_F(FileLockTest, TestLock) {
84
scoped_ptr<FileLock> lock(FileLock::TryLock(temp_file_.pathname()));
85
EXPECT_TRUE(lock.get() != NULL);
88
TEST_F(FileLockTest, TestLockX2) {
89
scoped_ptr<FileLock> lock1(FileLock::TryLock(temp_file_.pathname()));
90
EXPECT_TRUE(lock1.get() != NULL);
92
scoped_ptr<FileLock> lock2(FileLock::TryLock(temp_file_.pathname()));
93
EXPECT_TRUE(lock2.get() == NULL);
96
TEST_F(FileLockTest, TestThreadedLock) {
97
scoped_ptr<FileLock> lock(FileLock::TryLock(temp_file_.pathname()));
98
EXPECT_TRUE(lock.get() != NULL);
101
EXPECT_TRUE(thread_lock_failed_);
104
} // namespace talk_base