| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <sys/timerfd.h> |
| |
| #include <memory> |
| |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/files/file_descriptor_watcher_posix.h" |
| #include "base/location.h" |
| #include "base/macros.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/run_loop.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/threading/platform_thread.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "base/time/time.h" |
| #include "components/timers/alarm_timer_chromeos.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| // Most of these tests have been lifted right out of timer_unittest.cc with only |
| // cosmetic changes (like replacing calls to MessageLoop::current()->Run() with |
| // a RunLoop). We want the AlarmTimer to be a drop-in replacement for the |
| // regular Timer so it should pass the same tests as the Timer class. |
| namespace timers { |
| namespace { |
| const base::TimeDelta kTenMilliseconds = base::TimeDelta::FromMilliseconds(10); |
| |
| class OneShotAlarmTimerTester { |
| public: |
| OneShotAlarmTimerTester(bool* did_run, base::TimeDelta delay) |
| : did_run_(did_run), |
| delay_(delay), |
| timer_(new timers::OneShotAlarmTimer()) {} |
| void Start() { |
| timer_->Start(FROM_HERE, delay_, base::Bind(&OneShotAlarmTimerTester::Run, |
| base::Unretained(this))); |
| } |
| |
| private: |
| void Run() { |
| *did_run_ = true; |
| |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, base::MessageLoop::QuitWhenIdleClosure()); |
| } |
| |
| bool* did_run_; |
| const base::TimeDelta delay_; |
| std::unique_ptr<timers::OneShotAlarmTimer> timer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(OneShotAlarmTimerTester); |
| }; |
| |
| class OneShotSelfDeletingAlarmTimerTester { |
| public: |
| OneShotSelfDeletingAlarmTimerTester(bool* did_run, base::TimeDelta delay) |
| : did_run_(did_run), |
| delay_(delay), |
| timer_(new timers::OneShotAlarmTimer()) {} |
| void Start() { |
| timer_->Start(FROM_HERE, delay_, |
| base::Bind(&OneShotSelfDeletingAlarmTimerTester::Run, |
| base::Unretained(this))); |
| } |
| |
| private: |
| void Run() { |
| *did_run_ = true; |
| timer_.reset(); |
| |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, base::MessageLoop::QuitWhenIdleClosure()); |
| } |
| |
| bool* did_run_; |
| const base::TimeDelta delay_; |
| std::unique_ptr<timers::OneShotAlarmTimer> timer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(OneShotSelfDeletingAlarmTimerTester); |
| }; |
| |
| class RepeatingAlarmTimerTester { |
| public: |
| RepeatingAlarmTimerTester(bool* did_run, base::TimeDelta delay) |
| : did_run_(did_run), |
| delay_(delay), |
| counter_(10), |
| timer_(new timers::RepeatingAlarmTimer()) {} |
| void Start() { |
| timer_->Start(FROM_HERE, delay_, base::Bind(&RepeatingAlarmTimerTester::Run, |
| base::Unretained(this))); |
| } |
| |
| private: |
| void Run() { |
| if (--counter_ == 0) { |
| *did_run_ = true; |
| timer_->Stop(); |
| |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, base::MessageLoop::QuitWhenIdleClosure()); |
| } |
| } |
| |
| bool* did_run_; |
| const base::TimeDelta delay_; |
| int counter_; |
| std::unique_ptr<timers::RepeatingAlarmTimer> timer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RepeatingAlarmTimerTester); |
| }; |
| |
| } // namespace |
| |
| //----------------------------------------------------------------------------- |
| // Each test is run against each type of MessageLoop. That way we are sure |
| // that timers work properly in all configurations. |
| |
| TEST(AlarmTimerTest, OneShotAlarmTimer) { |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| |
| bool did_run = false; |
| OneShotAlarmTimerTester f(&did_run, kTenMilliseconds); |
| f.Start(); |
| |
| base::RunLoop().Run(); |
| |
| EXPECT_TRUE(did_run); |
| } |
| |
| TEST(AlarmTimerTest, OneShotAlarmTimer_Cancel) { |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| |
| bool did_run_a = false; |
| OneShotAlarmTimerTester* a = |
| new OneShotAlarmTimerTester(&did_run_a, kTenMilliseconds); |
| |
| // This should run before the timer expires. |
| base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, a); |
| |
| // Now start the timer. |
| a->Start(); |
| |
| bool did_run_b = false; |
| OneShotAlarmTimerTester b(&did_run_b, kTenMilliseconds); |
| b.Start(); |
| |
| base::RunLoop().Run(); |
| |
| EXPECT_FALSE(did_run_a); |
| EXPECT_TRUE(did_run_b); |
| } |
| |
| // If underlying timer does not handle this properly, we will crash or fail |
| // in full page heap environment. |
| TEST(AlarmTimerTest, OneShotSelfDeletingAlarmTimer) { |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| |
| bool did_run = false; |
| OneShotSelfDeletingAlarmTimerTester f(&did_run, kTenMilliseconds); |
| f.Start(); |
| |
| base::RunLoop().Run(); |
| |
| EXPECT_TRUE(did_run); |
| } |
| |
| TEST(AlarmTimerTest, RepeatingAlarmTimer) { |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| |
| bool did_run = false; |
| RepeatingAlarmTimerTester f(&did_run, kTenMilliseconds); |
| f.Start(); |
| |
| base::RunLoop().Run(); |
| |
| EXPECT_TRUE(did_run); |
| } |
| |
| TEST(AlarmTimerTest, RepeatingAlarmTimer_Cancel) { |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| |
| bool did_run_a = false; |
| RepeatingAlarmTimerTester* a = |
| new RepeatingAlarmTimerTester(&did_run_a, kTenMilliseconds); |
| |
| // This should run before the timer expires. |
| base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, a); |
| |
| // Now start the timer. |
| a->Start(); |
| |
| bool did_run_b = false; |
| RepeatingAlarmTimerTester b(&did_run_b, kTenMilliseconds); |
| b.Start(); |
| |
| base::RunLoop().Run(); |
| |
| EXPECT_FALSE(did_run_a); |
| EXPECT_TRUE(did_run_b); |
| } |
| |
| TEST(AlarmTimerTest, RepeatingAlarmTimerZeroDelay) { |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| |
| bool did_run = false; |
| RepeatingAlarmTimerTester f(&did_run, base::TimeDelta()); |
| f.Start(); |
| |
| base::RunLoop().Run(); |
| |
| EXPECT_TRUE(did_run); |
| } |
| |
| TEST(AlarmTimerTest, RepeatingAlarmTimerZeroDelay_Cancel) { |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| |
| bool did_run_a = false; |
| RepeatingAlarmTimerTester* a = |
| new RepeatingAlarmTimerTester(&did_run_a, base::TimeDelta()); |
| |
| // This should run before the timer expires. |
| base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, a); |
| |
| // Now start the timer. |
| a->Start(); |
| |
| bool did_run_b = false; |
| RepeatingAlarmTimerTester b(&did_run_b, base::TimeDelta()); |
| b.Start(); |
| |
| base::RunLoop().Run(); |
| |
| EXPECT_FALSE(did_run_a); |
| EXPECT_TRUE(did_run_b); |
| } |
| |
| TEST(AlarmTimerTest, MessageLoopShutdown) { |
| // This test is designed to verify that shutdown of the |
| // message loop does not cause crashes if there were pending |
| // timers not yet fired. It may only trigger exceptions |
| // if debug heap checking is enabled. |
| bool did_run = false; |
| { |
| auto loop = base::MakeUnique<base::MessageLoopForIO>(); |
| auto file_descriptor_watcher = |
| base::MakeUnique<base::FileDescriptorWatcher>(loop.get()); |
| OneShotAlarmTimerTester a(&did_run, kTenMilliseconds); |
| OneShotAlarmTimerTester b(&did_run, kTenMilliseconds); |
| OneShotAlarmTimerTester c(&did_run, kTenMilliseconds); |
| OneShotAlarmTimerTester d(&did_run, kTenMilliseconds); |
| |
| a.Start(); |
| b.Start(); |
| |
| // Allow FileDescriptorWatcher to start watching the timers. Without this, |
| // tasks posted by FileDescriptorWatcher::WatchReadable() are leaked. |
| base::RunLoop().RunUntilIdle(); |
| |
| // MessageLoop and FileDescriptorWatcher destruct. |
| file_descriptor_watcher.reset(); |
| loop.reset(); |
| } // OneShotTimers destruct. SHOULD NOT CRASH, of course. |
| |
| EXPECT_FALSE(did_run); |
| } |
| |
| TEST(AlarmTimerTest, NonRepeatIsRunning) { |
| { |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| timers::OneShotAlarmTimer timer; |
| EXPECT_FALSE(timer.IsRunning()); |
| timer.Start(FROM_HERE, base::TimeDelta::FromDays(1), |
| base::Bind(&base::DoNothing)); |
| |
| // Allow FileDescriptorWatcher to start watching the timer. Without this, a |
| // task posted by FileDescriptorWatcher::WatchReadable() is leaked. |
| base::RunLoop().RunUntilIdle(); |
| |
| EXPECT_TRUE(timer.IsRunning()); |
| timer.Stop(); |
| EXPECT_FALSE(timer.IsRunning()); |
| EXPECT_TRUE(timer.user_task().is_null()); |
| } |
| |
| { |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| timers::SimpleAlarmTimer timer; |
| EXPECT_FALSE(timer.IsRunning()); |
| timer.Start(FROM_HERE, base::TimeDelta::FromDays(1), |
| base::Bind(&base::DoNothing)); |
| |
| // Allow FileDescriptorWatcher to start watching the timer. Without this, a |
| // task posted by FileDescriptorWatcher::WatchReadable() is leaked. |
| base::RunLoop().RunUntilIdle(); |
| |
| EXPECT_TRUE(timer.IsRunning()); |
| timer.Stop(); |
| EXPECT_FALSE(timer.IsRunning()); |
| ASSERT_FALSE(timer.user_task().is_null()); |
| timer.Reset(); |
| base::RunLoop().RunUntilIdle(); |
| EXPECT_TRUE(timer.IsRunning()); |
| } |
| } |
| |
| TEST(AlarmTimerTest, RetainRepeatIsRunning) { |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| timers::RepeatingAlarmTimer timer; |
| EXPECT_FALSE(timer.IsRunning()); |
| timer.Start(FROM_HERE, base::TimeDelta::FromDays(1), |
| base::Bind(&base::DoNothing)); |
| |
| // Allow FileDescriptorWatcher to start watching the timer. Without this, a |
| // task posted by FileDescriptorWatcher::WatchReadable() is leaked. |
| base::RunLoop().RunUntilIdle(); |
| |
| EXPECT_TRUE(timer.IsRunning()); |
| timer.Reset(); |
| base::RunLoop().RunUntilIdle(); |
| EXPECT_TRUE(timer.IsRunning()); |
| timer.Stop(); |
| EXPECT_FALSE(timer.IsRunning()); |
| timer.Reset(); |
| base::RunLoop().RunUntilIdle(); |
| EXPECT_TRUE(timer.IsRunning()); |
| } |
| |
| TEST(AlarmTimerTest, RetainNonRepeatIsRunning) { |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| timers::SimpleAlarmTimer timer; |
| EXPECT_FALSE(timer.IsRunning()); |
| timer.Start(FROM_HERE, base::TimeDelta::FromDays(1), |
| base::Bind(&base::DoNothing)); |
| |
| // Allow FileDescriptorWatcher to start watching the timer. Without this, a |
| // task posted by FileDescriptorWatcher::WatchReadable() is leaked. |
| base::RunLoop().RunUntilIdle(); |
| |
| EXPECT_TRUE(timer.IsRunning()); |
| timer.Reset(); |
| base::RunLoop().RunUntilIdle(); |
| EXPECT_TRUE(timer.IsRunning()); |
| timer.Stop(); |
| EXPECT_FALSE(timer.IsRunning()); |
| timer.Reset(); |
| base::RunLoop().RunUntilIdle(); |
| EXPECT_TRUE(timer.IsRunning()); |
| } |
| |
| namespace { |
| |
| bool g_callback_happened1 = false; |
| bool g_callback_happened2 = false; |
| |
| void ClearAllCallbackHappened() { |
| g_callback_happened1 = false; |
| g_callback_happened2 = false; |
| } |
| |
| void SetCallbackHappened1() { |
| g_callback_happened1 = true; |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, base::MessageLoop::QuitWhenIdleClosure()); |
| } |
| |
| void SetCallbackHappened2() { |
| g_callback_happened2 = true; |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, base::MessageLoop::QuitWhenIdleClosure()); |
| } |
| |
| TEST(AlarmTimerTest, ContinuationStopStart) { |
| ClearAllCallbackHappened(); |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| timers::OneShotAlarmTimer timer; |
| timer.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(10), |
| base::Bind(&SetCallbackHappened1)); |
| timer.Stop(); |
| timer.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(40), |
| base::Bind(&SetCallbackHappened2)); |
| base::RunLoop().Run(); |
| EXPECT_FALSE(g_callback_happened1); |
| EXPECT_TRUE(g_callback_happened2); |
| } |
| |
| TEST(AlarmTimerTest, ContinuationReset) { |
| ClearAllCallbackHappened(); |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| timers::OneShotAlarmTimer timer; |
| timer.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(10), |
| base::Bind(&SetCallbackHappened1)); |
| timer.Reset(); |
| // Since Reset happened before task ran, the user_task must not be cleared: |
| ASSERT_FALSE(timer.user_task().is_null()); |
| base::RunLoop().Run(); |
| EXPECT_TRUE(g_callback_happened1); |
| } |
| |
| // Verify that no crash occurs if a timer is deleted while its callback is |
| // running. |
| TEST(AlarmTimerTest, DeleteTimerWhileCallbackIsRunning) { |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| base::RunLoop run_loop; |
| |
| // Will be deleted by the callback. |
| timers::OneShotAlarmTimer* timer = new timers::OneShotAlarmTimer; |
| |
| timer->Start( |
| FROM_HERE, base::TimeDelta::FromMilliseconds(10), |
| base::Bind( |
| [](timers::OneShotAlarmTimer* timer, base::RunLoop* run_loop) { |
| delete timer; |
| run_loop->Quit(); |
| }, |
| timer, &run_loop)); |
| run_loop.Run(); |
| } |
| |
| // Verify that no crash occurs if a zero-delay timer is deleted while its |
| // callback is running. |
| TEST(AlarmTimerTest, DeleteTimerWhileCallbackIsRunningZeroDelay) { |
| base::MessageLoopForIO loop; |
| base::FileDescriptorWatcher file_descriptor_watcher(&loop); |
| base::RunLoop run_loop; |
| |
| // Will be deleted by the callback. |
| timers::OneShotAlarmTimer* timer = new timers::OneShotAlarmTimer; |
| |
| timer->Start( |
| FROM_HERE, base::TimeDelta(), |
| base::Bind( |
| [](timers::OneShotAlarmTimer* timer, base::RunLoop* run_loop) { |
| delete timer; |
| run_loop->Quit(); |
| }, |
| timer, &run_loop)); |
| run_loop.Run(); |
| } |
| |
| } // namespace |
| } // namespace timers |