| // Copyright 2015 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 "third_party/blink/renderer/platform/timer.h" |
| |
| #include <memory> |
| #include <queue> |
| #include "base/message_loop/message_loop.h" |
| #include "base/single_thread_task_runner.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/public/platform/platform.h" |
| #include "third_party/blink/renderer/platform/scheduler/main_thread/main_thread_scheduler_impl.h" |
| #include "third_party/blink/renderer/platform/scheduler/main_thread/main_thread_task_queue.h" |
| #include "third_party/blink/renderer/platform/scheduler/public/thread.h" |
| #include "third_party/blink/renderer/platform/scheduler/public/thread_scheduler.h" |
| #include "third_party/blink/renderer/platform/testing/testing_platform_support_with_mock_scheduler.h" |
| #include "third_party/blink/renderer/platform/wtf/ref_counted.h" |
| #include "third_party/blink/renderer/platform/wtf/time.h" |
| |
| using base::sequence_manager::TaskQueue; |
| using blink::scheduler::MainThreadTaskQueue; |
| using testing::ElementsAre; |
| |
| namespace blink { |
| namespace { |
| |
| class TimerTest : public testing::Test { |
| public: |
| TimerTest() { |
| scoped_refptr<MainThreadTaskQueue> task_queue = |
| platform_->GetMainThreadScheduler()->NewTaskQueue( |
| MainThreadTaskQueue::QueueCreationParams( |
| MainThreadTaskQueue::QueueType::kTest)); |
| task_runner_ = task_queue->CreateTaskRunner(TaskType::kInternalTest); |
| } |
| |
| void SetUp() override { |
| run_times_.clear(); |
| platform_->AdvanceClock(TimeDelta::FromSeconds(10)); |
| start_time_ = CurrentTimeTicks(); |
| } |
| |
| void CountingTask(TimerBase*) { run_times_.push_back(CurrentTimeTicks()); } |
| |
| void RecordNextFireTimeTask(TimerBase* timer) { |
| next_fire_times_.push_back(CurrentTimeTicks() + timer->NextFireInterval()); |
| } |
| |
| void RunUntilDeadline(TimeTicks deadline) { |
| TimeDelta period = deadline - CurrentTimeTicks(); |
| EXPECT_GE(period, TimeDelta()); |
| platform_->RunForPeriod(period); |
| } |
| |
| // Returns false if there are no pending delayed tasks, otherwise sets |time| |
| // to the delay in seconds till the next pending delayed task is scheduled to |
| // fire. |
| bool TimeTillNextDelayedTask(TimeDelta* time) const { |
| base::sequence_manager::LazyNow lazy_now = |
| platform_->GetMainThreadScheduler() |
| ->real_time_domain() |
| ->CreateLazyNow(); |
| base::Optional<base::TimeDelta> delay = platform_->GetMainThreadScheduler() |
| ->GetActiveTimeDomain() |
| ->DelayTillNextTask(&lazy_now); |
| if (!delay) |
| return false; |
| *time = *delay; |
| return true; |
| } |
| |
| scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner() { |
| return task_runner_; |
| } |
| |
| protected: |
| TimeTicks start_time_; |
| WTF::Vector<TimeTicks> run_times_; |
| WTF::Vector<TimeTicks> next_fire_times_; |
| ScopedTestingPlatformSupport<TestingPlatformSupportWithMockScheduler> |
| platform_; |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
| |
| base::MessageLoop message_loop_; |
| }; |
| |
| class OnHeapTimerOwner final |
| : public GarbageCollectedFinalized<OnHeapTimerOwner> { |
| public: |
| class Record final : public RefCounted<Record> { |
| public: |
| static scoped_refptr<Record> Create() { return base::AdoptRef(new Record); } |
| |
| bool TimerHasFired() const { return timer_has_fired_; } |
| bool IsDisposed() const { return is_disposed_; } |
| bool OwnerIsDestructed() const { return owner_is_destructed_; } |
| void SetTimerHasFired() { timer_has_fired_ = true; } |
| void Dispose() { is_disposed_ = true; } |
| void SetOwnerIsDestructed() { owner_is_destructed_ = true; } |
| |
| private: |
| Record() = default; |
| |
| bool timer_has_fired_ = false; |
| bool is_disposed_ = false; |
| bool owner_is_destructed_ = false; |
| }; |
| |
| explicit OnHeapTimerOwner( |
| scoped_refptr<Record> record, |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner) |
| : timer_(std::move(task_runner), this, &OnHeapTimerOwner::Fired), |
| record_(std::move(record)) {} |
| ~OnHeapTimerOwner() { record_->SetOwnerIsDestructed(); } |
| |
| void StartOneShot(TimeDelta interval, const base::Location& caller) { |
| timer_.StartOneShot(interval, caller); |
| } |
| |
| void Trace(blink::Visitor* visitor) {} |
| |
| private: |
| void Fired(TimerBase*) { |
| EXPECT_FALSE(record_->IsDisposed()); |
| record_->SetTimerHasFired(); |
| } |
| |
| TaskRunnerTimer<OnHeapTimerOwner> timer_; |
| scoped_refptr<Record> record_; |
| }; |
| |
| class GCForbiddenScope final { |
| STACK_ALLOCATED(); |
| |
| public: |
| GCForbiddenScope() { ThreadState::Current()->EnterGCForbiddenScope(); } |
| ~GCForbiddenScope() { ThreadState::Current()->LeaveGCForbiddenScope(); } |
| }; |
| |
| TEST_F(TimerTest, StartOneShot_Zero) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta(), FROM_HERE); |
| |
| TimeDelta run_time; |
| EXPECT_FALSE(TimeTillNextDelayedTask(&run_time)); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_THAT(run_times_, ElementsAre(start_time_)); |
| } |
| |
| TEST_F(TimerTest, StartOneShot_ZeroAndCancel) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta(), FROM_HERE); |
| |
| TimeDelta run_time; |
| EXPECT_FALSE(TimeTillNextDelayedTask(&run_time)); |
| |
| timer.Stop(); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_FALSE(run_times_.size()); |
| } |
| |
| TEST_F(TimerTest, StartOneShot_ZeroAndCancelThenRepost) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta(), FROM_HERE); |
| |
| TimeDelta run_time; |
| EXPECT_FALSE(TimeTillNextDelayedTask(&run_time)); |
| |
| timer.Stop(); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_FALSE(run_times_.size()); |
| |
| timer.StartOneShot(TimeDelta(), FROM_HERE); |
| |
| EXPECT_FALSE(TimeTillNextDelayedTask(&run_time)); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_THAT(run_times_, ElementsAre(start_time_)); |
| } |
| |
| TEST_F(TimerTest, StartOneShot_Zero_RepostingAfterRunning) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta(), FROM_HERE); |
| |
| TimeDelta run_time; |
| EXPECT_FALSE(TimeTillNextDelayedTask(&run_time)); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_THAT(run_times_, ElementsAre(start_time_)); |
| |
| timer.StartOneShot(TimeDelta(), FROM_HERE); |
| |
| EXPECT_FALSE(TimeTillNextDelayedTask(&run_time)); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_THAT(run_times_, ElementsAre(start_time_, start_time_)); |
| } |
| |
| TEST_F(TimerTest, StartOneShot_NonZero) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta::FromSeconds(10), FROM_HERE); |
| |
| TimeDelta run_time; |
| EXPECT_TRUE(TimeTillNextDelayedTask(&run_time)); |
| EXPECT_EQ(TimeDelta::FromSeconds(10), run_time); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_THAT(run_times_, |
| ElementsAre(start_time_ + TimeDelta::FromSeconds(10))); |
| } |
| |
| TEST_F(TimerTest, StartOneShot_NonZeroAndCancel) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta::FromSeconds(10), FROM_HERE); |
| |
| TimeDelta run_time; |
| EXPECT_TRUE(TimeTillNextDelayedTask(&run_time)); |
| EXPECT_EQ(TimeDelta::FromSeconds(10), run_time); |
| |
| timer.Stop(); |
| EXPECT_TRUE(TimeTillNextDelayedTask(&run_time)); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_FALSE(run_times_.size()); |
| } |
| |
| TEST_F(TimerTest, StartOneShot_NonZeroAndCancelThenRepost) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta::FromSeconds(10), FROM_HERE); |
| |
| TimeDelta run_time; |
| EXPECT_TRUE(TimeTillNextDelayedTask(&run_time)); |
| EXPECT_EQ(TimeDelta::FromSeconds(10), run_time); |
| |
| timer.Stop(); |
| EXPECT_TRUE(TimeTillNextDelayedTask(&run_time)); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_FALSE(run_times_.size()); |
| |
| TimeTicks second_post_time = CurrentTimeTicks(); |
| timer.StartOneShot(TimeDelta::FromSeconds(10), FROM_HERE); |
| |
| EXPECT_TRUE(TimeTillNextDelayedTask(&run_time)); |
| EXPECT_EQ(TimeDelta::FromSeconds(10), run_time); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_THAT(run_times_, |
| ElementsAre(second_post_time + TimeDelta::FromSeconds(10))); |
| } |
| |
| TEST_F(TimerTest, StartOneShot_NonZero_RepostingAfterRunning) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta::FromSeconds(10), FROM_HERE); |
| |
| TimeDelta run_time; |
| EXPECT_TRUE(TimeTillNextDelayedTask(&run_time)); |
| EXPECT_EQ(TimeDelta::FromSeconds(10), run_time); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_THAT(run_times_, |
| ElementsAre(start_time_ + TimeDelta::FromSeconds(10))); |
| |
| timer.StartOneShot(TimeDelta::FromSeconds(20), FROM_HERE); |
| |
| EXPECT_TRUE(TimeTillNextDelayedTask(&run_time)); |
| EXPECT_EQ(TimeDelta::FromSeconds(20), run_time); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_THAT(run_times_, |
| ElementsAre(start_time_ + TimeDelta::FromSeconds(10), |
| start_time_ + TimeDelta::FromSeconds(30))); |
| } |
| |
| TEST_F(TimerTest, PostingTimerTwiceWithSameRunTimeDoesNothing) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta::FromSeconds(10), FROM_HERE); |
| timer.StartOneShot(TimeDelta::FromSeconds(10), FROM_HERE); |
| |
| TimeDelta run_time; |
| EXPECT_TRUE(TimeTillNextDelayedTask(&run_time)); |
| EXPECT_EQ(TimeDelta::FromSeconds(10), run_time); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_THAT(run_times_, |
| ElementsAre(start_time_ + TimeDelta::FromSeconds(10))); |
| } |
| |
| TEST_F(TimerTest, PostingTimerTwiceWithNewerRunTimeCancelsOriginalTask) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta::FromSeconds(10), FROM_HERE); |
| timer.StartOneShot(TimeDelta(), FROM_HERE); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_THAT(run_times_, ElementsAre(start_time_ + TimeDelta::FromSeconds(0))); |
| } |
| |
| TEST_F(TimerTest, PostingTimerTwiceWithLaterRunTimeCancelsOriginalTask) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta(), FROM_HERE); |
| timer.StartOneShot(TimeDelta::FromSeconds(10), FROM_HERE); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_THAT(run_times_, |
| ElementsAre(start_time_ + TimeDelta::FromSeconds(10))); |
| } |
| |
| TEST_F(TimerTest, StartRepeatingTask) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartRepeating(TimeDelta::FromSeconds(1), FROM_HERE); |
| |
| TimeDelta run_time; |
| EXPECT_TRUE(TimeTillNextDelayedTask(&run_time)); |
| EXPECT_EQ(TimeDelta::FromSeconds(1), run_time); |
| |
| RunUntilDeadline(start_time_ + TimeDelta::FromMilliseconds(5500)); |
| EXPECT_THAT(run_times_, ElementsAre(start_time_ + TimeDelta::FromSeconds(1), |
| start_time_ + TimeDelta::FromSeconds(2), |
| start_time_ + TimeDelta::FromSeconds(3), |
| start_time_ + TimeDelta::FromSeconds(4), |
| start_time_ + TimeDelta::FromSeconds(5))); |
| } |
| |
| TEST_F(TimerTest, StartRepeatingTask_ThenCancel) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartRepeating(TimeDelta::FromSeconds(1), FROM_HERE); |
| |
| TimeDelta run_time; |
| EXPECT_TRUE(TimeTillNextDelayedTask(&run_time)); |
| EXPECT_EQ(TimeDelta::FromSeconds(1), run_time); |
| |
| RunUntilDeadline(start_time_ + TimeDelta::FromMilliseconds(2500)); |
| EXPECT_THAT(run_times_, ElementsAre(start_time_ + TimeDelta::FromSeconds(1), |
| start_time_ + TimeDelta::FromSeconds(2))); |
| |
| timer.Stop(); |
| platform_->RunUntilIdle(); |
| |
| EXPECT_THAT(run_times_, ElementsAre(start_time_ + TimeDelta::FromSeconds(1), |
| start_time_ + TimeDelta::FromSeconds(2))); |
| } |
| |
| TEST_F(TimerTest, StartRepeatingTask_ThenPostOneShot) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartRepeating(TimeDelta::FromSeconds(1), FROM_HERE); |
| |
| TimeDelta run_time; |
| EXPECT_TRUE(TimeTillNextDelayedTask(&run_time)); |
| EXPECT_EQ(TimeDelta::FromSeconds(1), run_time); |
| |
| RunUntilDeadline(start_time_ + TimeDelta::FromMilliseconds(2500)); |
| EXPECT_THAT(run_times_, ElementsAre(start_time_ + TimeDelta::FromSeconds(1), |
| start_time_ + TimeDelta::FromSeconds(2))); |
| |
| timer.StartOneShot(TimeDelta(), FROM_HERE); |
| platform_->RunUntilIdle(); |
| |
| EXPECT_THAT(run_times_, |
| ElementsAre(start_time_ + TimeDelta::FromSeconds(1), |
| start_time_ + TimeDelta::FromSeconds(2), |
| start_time_ + TimeDelta::FromMilliseconds(2500))); |
| } |
| |
| TEST_F(TimerTest, IsActive_NeverPosted) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| |
| EXPECT_FALSE(timer.IsActive()); |
| } |
| |
| TEST_F(TimerTest, IsActive_AfterPosting_OneShotZero) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta(), FROM_HERE); |
| |
| EXPECT_TRUE(timer.IsActive()); |
| } |
| |
| TEST_F(TimerTest, IsActive_AfterPosting_OneShotNonZero) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta::FromSeconds(10), FROM_HERE); |
| |
| EXPECT_TRUE(timer.IsActive()); |
| } |
| |
| TEST_F(TimerTest, IsActive_AfterPosting_Repeating) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartRepeating(TimeDelta::FromSeconds(1), FROM_HERE); |
| |
| EXPECT_TRUE(timer.IsActive()); |
| } |
| |
| TEST_F(TimerTest, IsActive_AfterRunning_OneShotZero) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta(), FROM_HERE); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_FALSE(timer.IsActive()); |
| } |
| |
| TEST_F(TimerTest, IsActive_AfterRunning_OneShotNonZero) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta::FromSeconds(10), FROM_HERE); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_FALSE(timer.IsActive()); |
| } |
| |
| TEST_F(TimerTest, IsActive_AfterRunning_Repeating) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartRepeating(TimeDelta::FromSeconds(1), FROM_HERE); |
| |
| RunUntilDeadline(start_time_ + TimeDelta::FromSeconds(10)); |
| EXPECT_TRUE(timer.IsActive()); // It should run until cancelled. |
| } |
| |
| TEST_F(TimerTest, NextFireInterval_OneShotZero) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta(), FROM_HERE); |
| |
| EXPECT_TRUE(timer.NextFireInterval().is_zero()); |
| } |
| |
| TEST_F(TimerTest, NextFireInterval_OneShotNonZero) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta::FromSeconds(10), FROM_HERE); |
| |
| EXPECT_EQ(TimeDelta::FromSeconds(10), timer.NextFireInterval()); |
| } |
| |
| TEST_F(TimerTest, NextFireInterval_OneShotNonZero_AfterAFewSeconds) { |
| platform_->SetAutoAdvanceNowToPendingTasks(false); |
| |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta::FromSeconds(10), FROM_HERE); |
| |
| platform_->AdvanceClock(TimeDelta::FromSeconds(2)); |
| EXPECT_EQ(TimeDelta::FromSeconds(8), timer.NextFireInterval()); |
| } |
| |
| TEST_F(TimerTest, NextFireInterval_Repeating) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartRepeating(TimeDelta::FromSeconds(20), FROM_HERE); |
| |
| EXPECT_EQ(TimeDelta::FromSeconds(20), timer.NextFireInterval()); |
| } |
| |
| TEST_F(TimerTest, RepeatInterval_NeverStarted) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| |
| EXPECT_TRUE(timer.RepeatInterval().is_zero()); |
| } |
| |
| TEST_F(TimerTest, RepeatInterval_OneShotZero) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta(), FROM_HERE); |
| |
| EXPECT_TRUE(timer.RepeatInterval().is_zero()); |
| } |
| |
| TEST_F(TimerTest, RepeatInterval_OneShotNonZero) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta::FromSeconds(10), FROM_HERE); |
| |
| EXPECT_TRUE(timer.RepeatInterval().is_zero()); |
| } |
| |
| TEST_F(TimerTest, RepeatInterval_Repeating) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartRepeating(TimeDelta::FromSeconds(20), FROM_HERE); |
| |
| EXPECT_EQ(TimeDelta::FromSeconds(20), timer.RepeatInterval()); |
| } |
| |
| TEST_F(TimerTest, AugmentRepeatInterval) { |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartRepeating(TimeDelta::FromSeconds(10), FROM_HERE); |
| EXPECT_EQ(TimeDelta::FromSeconds(10), timer.RepeatInterval()); |
| EXPECT_EQ(TimeDelta::FromSeconds(10), timer.NextFireInterval()); |
| |
| platform_->AdvanceClock(TimeDelta::FromSeconds(2)); |
| timer.AugmentRepeatInterval(TimeDelta::FromSeconds(10)); |
| |
| EXPECT_EQ(TimeDelta::FromSeconds(20), timer.RepeatInterval()); |
| EXPECT_EQ(TimeDelta::FromSeconds(18), timer.NextFireInterval()); |
| |
| RunUntilDeadline(start_time_ + TimeDelta::FromSeconds(50)); |
| EXPECT_THAT(run_times_, |
| ElementsAre(start_time_ + TimeDelta::FromSeconds(20), |
| start_time_ + TimeDelta::FromSeconds(40))); |
| } |
| |
| TEST_F(TimerTest, AugmentRepeatInterval_TimerFireDelayed) { |
| platform_->SetAutoAdvanceNowToPendingTasks(false); |
| |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::CountingTask); |
| timer.StartRepeating(TimeDelta::FromSeconds(10), FROM_HERE); |
| EXPECT_EQ(TimeDelta::FromSeconds(10), timer.RepeatInterval()); |
| EXPECT_EQ(TimeDelta::FromSeconds(10), timer.NextFireInterval()); |
| |
| platform_->AdvanceClock( |
| TimeDelta::FromSeconds(123)); // Make the timer long overdue. |
| timer.AugmentRepeatInterval(TimeDelta::FromSeconds(10)); |
| |
| EXPECT_EQ(TimeDelta::FromSeconds(20), timer.RepeatInterval()); |
| // The timer is overdue so it should be scheduled to fire immediatly. |
| EXPECT_TRUE(timer.NextFireInterval().is_zero()); |
| } |
| |
| TEST_F(TimerTest, RepeatingTimerDoesNotDrift) { |
| platform_->SetAutoAdvanceNowToPendingTasks(false); |
| |
| TaskRunnerTimer<TimerTest> timer(GetTaskRunner(), this, |
| &TimerTest::RecordNextFireTimeTask); |
| timer.StartRepeating(TimeDelta::FromSeconds(2), FROM_HERE); |
| |
| RecordNextFireTimeTask( |
| &timer); // Next scheduled task to run at |start_time_| + 2s |
| |
| // Simulate timer firing early. Next scheduled task to run at |
| // |start_time_| + 4s |
| platform_->AdvanceClock(TimeDelta::FromMilliseconds(1900)); |
| RunUntilDeadline(CurrentTimeTicks() + TimeDelta::FromMilliseconds(200)); |
| |
| // Next scheduled task to run at |start_time_| + 6s |
| platform_->RunForPeriod(TimeDelta::FromSeconds(2)); |
| // Next scheduled task to run at |start_time_| + 8s |
| platform_->RunForPeriod(TimeDelta::FromMilliseconds(2100)); |
| // Next scheduled task to run at |start_time_| + 10s |
| platform_->RunForPeriod(TimeDelta::FromMilliseconds(2900)); |
| // Next scheduled task to run at |start_time_| + 14s (skips a beat) |
| platform_->AdvanceClock(TimeDelta::FromMilliseconds(3100)); |
| platform_->RunUntilIdle(); |
| // Next scheduled task to run at |start_time_| + 18s (skips a beat) |
| platform_->AdvanceClock(TimeDelta::FromSeconds(4)); |
| platform_->RunUntilIdle(); |
| // Next scheduled task to run at |start_time_| + 28s (skips 5 beats) |
| platform_->AdvanceClock(TimeDelta::FromSeconds(10)); |
| platform_->RunUntilIdle(); |
| |
| EXPECT_THAT(next_fire_times_, |
| ElementsAre(start_time_ + TimeDelta::FromSeconds(2), |
| start_time_ + TimeDelta::FromSeconds(4), |
| start_time_ + TimeDelta::FromSeconds(6), |
| start_time_ + TimeDelta::FromSeconds(8), |
| start_time_ + TimeDelta::FromSeconds(10), |
| start_time_ + TimeDelta::FromSeconds(14), |
| start_time_ + TimeDelta::FromSeconds(18), |
| start_time_ + TimeDelta::FromSeconds(28))); |
| } |
| |
| template <typename TimerFiredClass> |
| class TimerForTest : public TaskRunnerTimer<TimerFiredClass> { |
| public: |
| using TimerFiredFunction = |
| typename TaskRunnerTimer<TimerFiredClass>::TimerFiredFunction; |
| |
| ~TimerForTest() override = default; |
| |
| TimerForTest(scoped_refptr<base::SingleThreadTaskRunner> task_runner, |
| TimerFiredClass* timer_fired_class, |
| TimerFiredFunction timer_fired_function) |
| : TaskRunnerTimer<TimerFiredClass>(std::move(task_runner), |
| timer_fired_class, |
| timer_fired_function) {} |
| }; |
| |
| TEST_F(TimerTest, UserSuppliedTaskRunner) { |
| scoped_refptr<MainThreadTaskQueue> task_queue( |
| platform_->GetMainThreadScheduler()->NewTimerTaskQueue( |
| scheduler::MainThreadTaskQueue::QueueType::kFrameThrottleable, |
| nullptr)); |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner = |
| task_queue->CreateTaskRunner(TaskType::kInternalTest); |
| TimerForTest<TimerTest> timer(task_runner, this, &TimerTest::CountingTask); |
| timer.StartOneShot(TimeDelta(), FROM_HERE); |
| |
| // Make sure the task was posted on taskRunner. |
| EXPECT_FALSE(task_queue->IsEmpty()); |
| } |
| |
| TEST_F(TimerTest, RunOnHeapTimer) { |
| scoped_refptr<OnHeapTimerOwner::Record> record = |
| OnHeapTimerOwner::Record::Create(); |
| Persistent<OnHeapTimerOwner> owner = |
| new OnHeapTimerOwner(record, GetTaskRunner()); |
| |
| owner->StartOneShot(TimeDelta(), FROM_HERE); |
| |
| EXPECT_FALSE(record->TimerHasFired()); |
| platform_->RunUntilIdle(); |
| EXPECT_TRUE(record->TimerHasFired()); |
| } |
| |
| TEST_F(TimerTest, DestructOnHeapTimer) { |
| scoped_refptr<OnHeapTimerOwner::Record> record = |
| OnHeapTimerOwner::Record::Create(); |
| Persistent<OnHeapTimerOwner> owner = |
| new OnHeapTimerOwner(record, GetTaskRunner()); |
| |
| record->Dispose(); |
| owner->StartOneShot(TimeDelta(), FROM_HERE); |
| |
| owner = nullptr; |
| ThreadState::Current()->CollectGarbage( |
| BlinkGC::kNoHeapPointersOnStack, BlinkGC::kAtomicMarking, |
| BlinkGC::kEagerSweeping, BlinkGC::GCReason::kForcedGC); |
| EXPECT_TRUE(record->OwnerIsDestructed()); |
| |
| EXPECT_FALSE(record->TimerHasFired()); |
| platform_->RunUntilIdle(); |
| EXPECT_FALSE(record->TimerHasFired()); |
| } |
| |
| TEST_F(TimerTest, MarkOnHeapTimerAsUnreachable) { |
| scoped_refptr<OnHeapTimerOwner::Record> record = |
| OnHeapTimerOwner::Record::Create(); |
| Persistent<OnHeapTimerOwner> owner = |
| new OnHeapTimerOwner(record, GetTaskRunner()); |
| |
| record->Dispose(); |
| owner->StartOneShot(TimeDelta(), FROM_HERE); |
| |
| owner = nullptr; |
| ThreadState::Current()->CollectGarbage( |
| BlinkGC::kNoHeapPointersOnStack, BlinkGC::kAtomicMarking, |
| BlinkGC::kLazySweeping, BlinkGC::GCReason::kForcedGC); |
| EXPECT_FALSE(record->OwnerIsDestructed()); |
| |
| { |
| GCForbiddenScope scope; |
| EXPECT_FALSE(record->TimerHasFired()); |
| platform_->RunUntilIdle(); |
| EXPECT_FALSE(record->TimerHasFired()); |
| EXPECT_FALSE(record->OwnerIsDestructed()); |
| } |
| } |
| |
| namespace { |
| |
| class TaskObserver : public base::MessageLoop::TaskObserver { |
| public: |
| TaskObserver( |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner, |
| std::vector<scoped_refptr<base::SingleThreadTaskRunner>>* run_order) |
| : task_runner_(std::move(task_runner)), run_order_(run_order) {} |
| |
| void WillProcessTask(const base::PendingTask&) override {} |
| |
| void DidProcessTask(const base::PendingTask&) override { |
| run_order_->push_back(task_runner_); |
| } |
| |
| private: |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
| std::vector<scoped_refptr<base::SingleThreadTaskRunner>>* run_order_; |
| }; |
| |
| } // namespace |
| |
| TEST_F(TimerTest, MoveToNewTaskRunnerOneShot) { |
| std::vector<scoped_refptr<base::SingleThreadTaskRunner>> run_order; |
| |
| scoped_refptr<MainThreadTaskQueue> task_queue1( |
| platform_->GetMainThreadScheduler()->NewTimerTaskQueue( |
| scheduler::MainThreadTaskQueue::QueueType::kFrameThrottleable, |
| nullptr)); |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner1 = |
| task_queue1->CreateTaskRunner(TaskType::kInternalTest); |
| TaskObserver task_observer1(task_runner1, &run_order); |
| task_queue1->AddTaskObserver(&task_observer1); |
| |
| scoped_refptr<MainThreadTaskQueue> task_queue2( |
| platform_->GetMainThreadScheduler()->NewTimerTaskQueue( |
| scheduler::MainThreadTaskQueue::QueueType::kFrameThrottleable, |
| nullptr)); |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner2 = |
| task_queue2->CreateTaskRunner(TaskType::kInternalTest); |
| TaskObserver task_observer2(task_runner2, &run_order); |
| task_queue2->AddTaskObserver(&task_observer2); |
| |
| TimerForTest<TimerTest> timer(task_runner1, this, &TimerTest::CountingTask); |
| |
| TimeTicks start_time = CurrentTimeTicks(); |
| |
| timer.StartOneShot(TimeDelta::FromSeconds(1), FROM_HERE); |
| |
| platform_->RunForPeriod(TimeDelta::FromMilliseconds(500)); |
| |
| timer.MoveToNewTaskRunner(task_runner2); |
| |
| platform_->RunUntilIdle(); |
| |
| EXPECT_THAT(run_times_, ElementsAre(start_time + TimeDelta::FromSeconds(1))); |
| |
| EXPECT_THAT(run_order, ElementsAre(task_runner2)); |
| |
| EXPECT_TRUE(task_queue1->IsEmpty()); |
| EXPECT_TRUE(task_queue2->IsEmpty()); |
| } |
| |
| TEST_F(TimerTest, MoveToNewTaskRunnerRepeating) { |
| std::vector<scoped_refptr<base::SingleThreadTaskRunner>> run_order; |
| |
| scoped_refptr<MainThreadTaskQueue> task_queue1( |
| platform_->GetMainThreadScheduler()->NewTimerTaskQueue( |
| scheduler::MainThreadTaskQueue::QueueType::kFrameThrottleable, |
| nullptr)); |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner1 = |
| task_queue1->CreateTaskRunner(TaskType::kInternalTest); |
| TaskObserver task_observer1(task_runner1, &run_order); |
| task_queue1->AddTaskObserver(&task_observer1); |
| |
| scoped_refptr<MainThreadTaskQueue> task_queue2( |
| platform_->GetMainThreadScheduler()->NewTimerTaskQueue( |
| scheduler::MainThreadTaskQueue::QueueType::kFrameThrottleable, |
| nullptr)); |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner2 = |
| task_queue2->CreateTaskRunner(TaskType::kInternalTest); |
| TaskObserver task_observer2(task_runner2, &run_order); |
| task_queue2->AddTaskObserver(&task_observer2); |
| |
| TimerForTest<TimerTest> timer(task_runner1, this, &TimerTest::CountingTask); |
| |
| TimeTicks start_time = CurrentTimeTicks(); |
| |
| timer.StartRepeating(TimeDelta::FromSeconds(1), FROM_HERE); |
| |
| platform_->RunForPeriod(TimeDelta::FromMilliseconds(2500)); |
| |
| timer.MoveToNewTaskRunner(task_runner2); |
| |
| platform_->RunForPeriod(TimeDelta::FromSeconds(2)); |
| |
| EXPECT_THAT(run_times_, ElementsAre(start_time + TimeDelta::FromSeconds(1), |
| start_time + TimeDelta::FromSeconds(2), |
| start_time + TimeDelta::FromSeconds(3), |
| start_time + TimeDelta::FromSeconds(4))); |
| |
| EXPECT_THAT(run_order, ElementsAre(task_runner1, task_runner1, task_runner2, |
| task_runner2)); |
| |
| EXPECT_TRUE(task_queue1->IsEmpty()); |
| EXPECT_FALSE(task_queue2->IsEmpty()); |
| } |
| |
| // This test checks that when inactive timer is moved to a different task |
| // runner it isn't activated. |
| TEST_F(TimerTest, MoveToNewTaskRunnerWithoutTasks) { |
| scoped_refptr<MainThreadTaskQueue> task_queue1( |
| platform_->GetMainThreadScheduler()->NewTimerTaskQueue( |
| scheduler::MainThreadTaskQueue::QueueType::kFrameThrottleable, |
| nullptr)); |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner1 = |
| task_queue1->CreateTaskRunner(TaskType::kInternalTest); |
| |
| scoped_refptr<MainThreadTaskQueue> task_queue2( |
| platform_->GetMainThreadScheduler()->NewTimerTaskQueue( |
| scheduler::MainThreadTaskQueue::QueueType::kFrameThrottleable, |
| nullptr)); |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner2 = |
| task_queue2->CreateTaskRunner(TaskType::kInternalTest); |
| |
| TimerForTest<TimerTest> timer(task_runner1, this, &TimerTest::CountingTask); |
| |
| platform_->RunUntilIdle(); |
| EXPECT_TRUE(!run_times_.size()); |
| EXPECT_TRUE(task_queue1->IsEmpty()); |
| EXPECT_TRUE(task_queue2->IsEmpty()); |
| } |
| |
| } // namespace |
| } // namespace blink |