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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/threading/worker_pool.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/bind_helpers.h" | |
| 9 #include "base/location.h" | |
| 10 #include "base/message_loop/message_loop.h" | |
| 11 #include "base/run_loop.h" | |
| 12 #include "base/synchronization/waitable_event.h" | |
| 13 #include "base/test/test_timeouts.h" | |
| 14 #include "base/threading/thread_checker_impl.h" | |
| 15 #include "base/time/time.h" | |
| 16 #include "testing/gtest/include/gtest/gtest.h" | |
| 17 #include "testing/platform_test.h" | |
| 18 | |
| 19 typedef PlatformTest WorkerPoolTest; | |
| 20 | |
| 21 namespace base { | |
| 22 | |
| 23 namespace { | |
| 24 | |
| 25 class PostTaskAndReplyTester | |
| 26 : public base::RefCountedThreadSafe<PostTaskAndReplyTester> { | |
| 27 public: | |
| 28 PostTaskAndReplyTester() : finished_(false), test_event_(false, false) {} | |
| 29 | |
| 30 void RunTest() { | |
| 31 ASSERT_TRUE(thread_checker_.CalledOnValidThread()); | |
| 32 WorkerPool::PostTaskAndReply( | |
| 33 FROM_HERE, | |
| 34 base::Bind(&PostTaskAndReplyTester::OnWorkerThread, this), | |
| 35 base::Bind(&PostTaskAndReplyTester::OnOriginalThread, this), | |
| 36 false); | |
| 37 | |
| 38 test_event_.Wait(); | |
| 39 } | |
| 40 | |
| 41 void OnWorkerThread() { | |
| 42 // We're not on the original thread. | |
| 43 EXPECT_FALSE(thread_checker_.CalledOnValidThread()); | |
| 44 | |
| 45 test_event_.Signal(); | |
| 46 } | |
| 47 | |
| 48 void OnOriginalThread() { | |
| 49 EXPECT_TRUE(thread_checker_.CalledOnValidThread()); | |
| 50 finished_ = true; | |
| 51 } | |
| 52 | |
| 53 bool finished() const { | |
| 54 return finished_; | |
| 55 } | |
| 56 | |
| 57 private: | |
| 58 friend class base::RefCountedThreadSafe<PostTaskAndReplyTester>; | |
| 59 ~PostTaskAndReplyTester() {} | |
| 60 | |
| 61 bool finished_; | |
| 62 WaitableEvent test_event_; | |
| 63 | |
| 64 // The Impl version performs its checks even in release builds. | |
| 65 ThreadCheckerImpl thread_checker_; | |
| 66 }; | |
| 67 | |
| 68 } // namespace | |
| 69 | |
| 70 TEST_F(WorkerPoolTest, PostTask) { | |
| 71 WaitableEvent test_event(false, false); | |
| 72 WaitableEvent long_test_event(false, false); | |
| 73 | |
| 74 WorkerPool::PostTask(FROM_HERE, | |
| 75 base::Bind(&WaitableEvent::Signal, | |
| 76 base::Unretained(&test_event)), | |
| 77 false); | |
| 78 WorkerPool::PostTask(FROM_HERE, | |
| 79 base::Bind(&WaitableEvent::Signal, | |
| 80 base::Unretained(&long_test_event)), | |
| 81 true); | |
| 82 | |
| 83 test_event.Wait(); | |
| 84 long_test_event.Wait(); | |
| 85 } | |
| 86 | |
| 87 #if defined(OS_WIN) || defined(OS_LINUX) | |
| 88 // Flaky on Windows and Linux (http://crbug.com/130337) | |
| 89 #define MAYBE_PostTaskAndReply DISABLED_PostTaskAndReply | |
| 90 #else | |
| 91 #define MAYBE_PostTaskAndReply PostTaskAndReply | |
| 92 #endif | |
| 93 | |
| 94 TEST_F(WorkerPoolTest, MAYBE_PostTaskAndReply) { | |
| 95 MessageLoop message_loop; | |
| 96 scoped_refptr<PostTaskAndReplyTester> tester(new PostTaskAndReplyTester()); | |
| 97 tester->RunTest(); | |
| 98 | |
| 99 const TimeDelta kMaxDuration = TestTimeouts::tiny_timeout(); | |
| 100 TimeTicks start = TimeTicks::Now(); | |
| 101 while (!tester->finished() && TimeTicks::Now() - start < kMaxDuration) { | |
| 102 #if defined(OS_IOS) | |
| 103 // Ensure that the other thread has a chance to run even on a single-core | |
| 104 // device. | |
| 105 pthread_yield_np(); | |
| 106 #endif | |
| 107 RunLoop().RunUntilIdle(); | |
| 108 } | |
| 109 EXPECT_TRUE(tester->finished()); | |
| 110 } | |
| 111 | |
| 112 } // namespace base | |
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