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| 1 // Copyright 2015 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 "components/scheduler/base/time_domain.h" |
| 6 |
| 7 #include "base/test/simple_test_tick_clock.h" |
| 8 #include "cc/test/ordered_simple_task_runner.h" |
| 9 #include "components/scheduler/base/task_queue_impl.h" |
| 10 #include "components/scheduler/base/task_queue_manager.h" |
| 11 #include "components/scheduler/base/task_queue_manager_delegate.h" |
| 12 #include "components/scheduler/base/task_queue_manager_delegate_for_test.h" |
| 13 #include "components/scheduler/base/test_time_source.h" |
| 14 #include "testing/gmock/include/gmock/gmock.h" |
| 15 |
| 16 using testing::_; |
| 17 |
| 18 namespace scheduler { |
| 19 |
| 20 class FakeTaskQueueManagerDelegate : public TaskQueueManagerDelegate { |
| 21 public: |
| 22 FakeTaskQueueManagerDelegate() : belongs_to_current_thread_(true) {} |
| 23 |
| 24 MOCK_METHOD3(PostDelayedTask, |
| 25 bool(const tracked_objects::Location& from_here, |
| 26 const base::Closure& task, |
| 27 base::TimeDelta dela)); |
| 28 MOCK_METHOD3(PostNonNestableDelayedTask, |
| 29 bool(const tracked_objects::Location& from_here, |
| 30 const base::Closure& task, |
| 31 base::TimeDelta dela)); |
| 32 |
| 33 base::TimeTicks NowTicks() override { |
| 34 NOTREACHED(); |
| 35 return base::TimeTicks(); |
| 36 } |
| 37 |
| 38 bool IsNested() const override { |
| 39 NOTREACHED(); |
| 40 return false; |
| 41 } |
| 42 |
| 43 void OnNoMoreImmediateWork() override { NOTREACHED(); } |
| 44 |
| 45 double CurrentTimeSeconds() const override { |
| 46 NOTREACHED(); |
| 47 return 0.0; |
| 48 } |
| 49 |
| 50 void SetBelongsToCurrentThread(bool belongs_to_current_thread) { |
| 51 belongs_to_current_thread_ = belongs_to_current_thread; |
| 52 } |
| 53 |
| 54 bool RunsTasksOnCurrentThread() const override { |
| 55 return belongs_to_current_thread_; |
| 56 } |
| 57 |
| 58 private: |
| 59 ~FakeTaskQueueManagerDelegate() override {} |
| 60 |
| 61 bool belongs_to_current_thread_; |
| 62 }; |
| 63 |
| 64 class MockTimeDomain : public TimeDomain { |
| 65 public: |
| 66 MockTimeDomain(TaskQueueManagerDelegate* delegate) |
| 67 : TimeDomain(delegate), |
| 68 now_(base::TimeTicks() + base::TimeDelta::FromSeconds(1)) {} |
| 69 |
| 70 using TimeDomain::NextScheduledRunTime; |
| 71 using TimeDomain::NextScheduledTaskQueue; |
| 72 using TimeDomain::ScheduleDelayedWork; |
| 73 using TimeDomain::UnregisterQueue; |
| 74 using TimeDomain::UpdateWorkQueues; |
| 75 |
| 76 // TimeSource implementation: |
| 77 LazyNow GetLazyNow() override { return LazyNow(now_); } |
| 78 |
| 79 void AsValueIntoInternal( |
| 80 base::trace_event::TracedValue* state) const override {} |
| 81 |
| 82 bool MaybeAdvanceTime() override { return false; } |
| 83 |
| 84 MOCK_METHOD1(ScheduleDoWork, void(base::TimeDelta delay)); |
| 85 |
| 86 void SetNow(base::TimeTicks now) { now_ = now; } |
| 87 |
| 88 base::TimeTicks Now() const { return now_; } |
| 89 |
| 90 private: |
| 91 base::TimeTicks now_; |
| 92 |
| 93 ~MockTimeDomain() override {} |
| 94 |
| 95 DISALLOW_COPY_AND_ASSIGN(MockTimeDomain); |
| 96 }; |
| 97 |
| 98 class TimeDomainTest : public testing::Test { |
| 99 public: |
| 100 void SetUp() final { |
| 101 delegate_ = make_scoped_refptr(new FakeTaskQueueManagerDelegate); |
| 102 time_domain_ = make_scoped_refptr(new MockTimeDomain(delegate_.get())); |
| 103 task_queue_ = make_scoped_refptr(new internal::TaskQueueImpl( |
| 104 nullptr, time_domain_, TaskQueue::Spec("test_queue"), "test.category", |
| 105 "test.category")); |
| 106 } |
| 107 |
| 108 scoped_refptr<FakeTaskQueueManagerDelegate> delegate_; |
| 109 scoped_refptr<MockTimeDomain> time_domain_; |
| 110 scoped_refptr<internal::TaskQueueImpl> task_queue_; |
| 111 }; |
| 112 |
| 113 TEST_F(TimeDomainTest, ScheduleDelayedWork_SameThread) { |
| 114 base::TimeDelta delay = base::TimeDelta::FromMilliseconds(10); |
| 115 base::TimeTicks delayed_runtime = time_domain_->Now() + delay; |
| 116 EXPECT_CALL(*time_domain_.get(), ScheduleDoWork(delay)); |
| 117 LazyNow lazy_now = time_domain_->GetLazyNow(); |
| 118 time_domain_->ScheduleDelayedWork(task_queue_.get(), |
| 119 time_domain_->Now() + delay, &lazy_now); |
| 120 |
| 121 base::TimeTicks next_scheduled_runtime; |
| 122 EXPECT_TRUE(time_domain_->NextScheduledRunTime(&next_scheduled_runtime)); |
| 123 EXPECT_EQ(delayed_runtime, next_scheduled_runtime); |
| 124 |
| 125 TaskQueue* next_task_queue; |
| 126 EXPECT_TRUE(time_domain_->NextScheduledTaskQueue(&next_task_queue)); |
| 127 EXPECT_EQ(task_queue_.get(), next_task_queue); |
| 128 } |
| 129 |
| 130 TEST_F(TimeDomainTest, ScheduleDelayedWork_DifferentThread) { |
| 131 delegate_->SetBelongsToCurrentThread(false); |
| 132 |
| 133 base::TimeDelta delay = base::TimeDelta::FromMilliseconds(10); |
| 134 base::TimeTicks delayed_runtime = time_domain_->Now() + delay; |
| 135 |
| 136 EXPECT_CALL(*delegate_.get(), PostDelayedTask(_, _, base::TimeDelta())); |
| 137 LazyNow lazy_now = time_domain_->GetLazyNow(); |
| 138 time_domain_->ScheduleDelayedWork(task_queue_.get(), delayed_runtime, |
| 139 &lazy_now); |
| 140 |
| 141 base::TimeTicks next_scheduled_runtime; |
| 142 EXPECT_FALSE(time_domain_->NextScheduledRunTime(&next_scheduled_runtime)); |
| 143 } |
| 144 |
| 145 TEST_F(TimeDomainTest, UnregisterQueue) { |
| 146 scoped_refptr<internal::TaskQueueImpl> task_queue2_ = |
| 147 make_scoped_refptr(new internal::TaskQueueImpl( |
| 148 nullptr, time_domain_, TaskQueue::Spec("test_queue2"), |
| 149 "test.category", "test.category")); |
| 150 |
| 151 EXPECT_CALL(*time_domain_.get(), ScheduleDoWork(_)).Times(2); |
| 152 LazyNow lazy_now = time_domain_->GetLazyNow(); |
| 153 time_domain_->ScheduleDelayedWork( |
| 154 task_queue_.get(), |
| 155 time_domain_->Now() + base::TimeDelta::FromMilliseconds(10), &lazy_now); |
| 156 time_domain_->ScheduleDelayedWork( |
| 157 task_queue2_.get(), |
| 158 time_domain_->Now() + base::TimeDelta::FromMilliseconds(100), &lazy_now); |
| 159 |
| 160 TaskQueue* next_task_queue; |
| 161 EXPECT_TRUE(time_domain_->NextScheduledTaskQueue(&next_task_queue)); |
| 162 EXPECT_EQ(task_queue_.get(), next_task_queue); |
| 163 |
| 164 time_domain_->UnregisterQueue(task_queue_.get()); |
| 165 EXPECT_TRUE(time_domain_->NextScheduledTaskQueue(&next_task_queue)); |
| 166 EXPECT_EQ(task_queue2_.get(), next_task_queue); |
| 167 |
| 168 time_domain_->UnregisterQueue(task_queue2_.get()); |
| 169 EXPECT_FALSE(time_domain_->NextScheduledTaskQueue(&next_task_queue)); |
| 170 } |
| 171 |
| 172 TEST_F(TimeDomainTest, WakeupReadyDelayedQueues) { |
| 173 scoped_refptr<MockTimeDomain> dummy_delegate( |
| 174 new MockTimeDomain(delegate_.get())); |
| 175 base::SimpleTestTickClock dummy_time_source; |
| 176 scoped_refptr<cc::OrderedSimpleTaskRunner> dummy_task_runner( |
| 177 new cc::OrderedSimpleTaskRunner(&dummy_time_source, false)); |
| 178 TaskQueueManager task_queue_manager( |
| 179 TaskQueueManagerDelegateForTest::Create( |
| 180 dummy_task_runner, |
| 181 make_scoped_ptr(new TestTimeSource(&dummy_time_source))), |
| 182 "test.scheduler", "test.scheduler", "scheduler.debug"); |
| 183 scoped_refptr<internal::TaskQueueImpl> dummy_queue = |
| 184 task_queue_manager.NewTaskQueue(TaskQueue::Spec("test_queue")); |
| 185 |
| 186 // Post a delayed task on |dummy_queue| and advance the queue's clock so that |
| 187 // next time MoveReadyDelayedTasksToIncomingQueue is called, the task will |
| 188 // get moved onto the incomming queue. |
| 189 base::TimeDelta dummy_delay = base::TimeDelta::FromMilliseconds(10); |
| 190 dummy_queue->PostDelayedTask(FROM_HERE, base::Closure(), dummy_delay); |
| 191 dummy_time_source.Advance(dummy_delay); |
| 192 |
| 193 // Now we can test that WakeupReadyDelayedQueues triggers calls to |
| 194 // MoveReadyDelayedTasksToIncomingQueue as expected. |
| 195 base::TimeDelta delay = base::TimeDelta::FromMilliseconds(50); |
| 196 base::TimeTicks delayed_runtime = time_domain_->Now() + delay; |
| 197 EXPECT_CALL(*time_domain_.get(), ScheduleDoWork(delay)); |
| 198 LazyNow lazy_now = time_domain_->GetLazyNow(); |
| 199 time_domain_->ScheduleDelayedWork(dummy_queue.get(), delayed_runtime, |
| 200 &lazy_now); |
| 201 |
| 202 time_domain_->UpdateWorkQueues(false, nullptr); |
| 203 EXPECT_EQ(0UL, dummy_queue->IncomingQueueSizeForTest()); |
| 204 |
| 205 time_domain_->SetNow(delayed_runtime); |
| 206 time_domain_->UpdateWorkQueues(false, nullptr); |
| 207 EXPECT_EQ(1UL, dummy_queue->IncomingQueueSizeForTest()); |
| 208 } |
| 209 |
| 210 } // namespace scheduler |
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