| OLD | NEW |
|---|
| (Empty) |
| 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 "content/child/scheduler/worker_scheduler_impl.h" | |
| 6 | |
| 7 #include "base/callback.h" | |
| 8 #include "base/strings/stringprintf.h" | |
| 9 #include "cc/test/ordered_simple_task_runner.h" | |
| 10 #include "content/child/scheduler/nestable_task_runner_for_test.h" | |
| 11 #include "content/child/scheduler/scheduler_message_loop_delegate.h" | |
| 12 #include "testing/gmock/include/gmock/gmock.h" | |
| 13 #include "testing/gtest/include/gtest/gtest.h" | |
| 14 | |
| 15 using testing::ElementsAreArray; | |
| 16 | |
| 17 namespace content { | |
| 18 | |
| 19 namespace { | |
| 20 void NopTask() { | |
| 21 } | |
| 22 | |
| 23 int TimeTicksToIntMs(const base::TimeTicks& time) { | |
| 24 return static_cast<int>((time - base::TimeTicks()).InMilliseconds()); | |
| 25 } | |
| 26 | |
| 27 void WakeUpTask(std::vector<std::string>* timeline, cc::TestNowSource* clock) { | |
| 28 if (timeline) { | |
| 29 timeline->push_back(base::StringPrintf( | |
| 30 "run WakeUpTask @ %d", TimeTicksToIntMs(clock->Now()))); | |
| 31 } | |
| 32 } | |
| 33 | |
| 34 void RecordTimelineTask(std::vector<std::string>* timeline, | |
| 35 cc::TestNowSource* clock) { | |
| 36 timeline->push_back(base::StringPrintf( | |
| 37 "run RecordTimelineTask @ %d", TimeTicksToIntMs(clock->Now()))); | |
| 38 } | |
| 39 | |
| 40 void AppendToVectorTestTask(std::vector<std::string>* vector, | |
| 41 std::string value) { | |
| 42 vector->push_back(value); | |
| 43 } | |
| 44 | |
| 45 void AppendToVectorIdleTestTask(std::vector<std::string>* vector, | |
| 46 std::string value, | |
| 47 base::TimeTicks deadline) { | |
| 48 AppendToVectorTestTask(vector, value); | |
| 49 } | |
| 50 | |
| 51 void TimelineIdleTestTask(std::vector<std::string>* timeline, | |
| 52 base::TimeTicks deadline) { | |
| 53 timeline->push_back(base::StringPrintf("run TimelineIdleTestTask deadline %d", | |
| 54 TimeTicksToIntMs(deadline))); | |
| 55 } | |
| 56 | |
| 57 }; // namespace | |
| 58 | |
| 59 class WorkerSchedulerImplForTest : public WorkerSchedulerImpl { | |
| 60 public: | |
| 61 WorkerSchedulerImplForTest( | |
| 62 scoped_refptr<NestableSingleThreadTaskRunner> main_task_runner, | |
| 63 scoped_refptr<cc::TestNowSource> clock_) | |
| 64 : WorkerSchedulerImpl(main_task_runner), | |
| 65 clock_(clock_), | |
| 66 timeline_(nullptr) {} | |
| 67 | |
| 68 void RecordTimelineEvents(std::vector<std::string>* timeline) { | |
| 69 timeline_ = timeline; | |
| 70 } | |
| 71 | |
| 72 private: | |
| 73 bool CanEnterLongIdlePeriod( | |
| 74 base::TimeTicks now, | |
| 75 base::TimeDelta* next_long_idle_period_delay_out) override { | |
| 76 if (timeline_) { | |
| 77 timeline_->push_back(base::StringPrintf("CanEnterLongIdlePeriod @ %d", | |
| 78 TimeTicksToIntMs(now))); | |
| 79 } | |
| 80 return WorkerSchedulerImpl::CanEnterLongIdlePeriod( | |
| 81 now, next_long_idle_period_delay_out); | |
| 82 } | |
| 83 | |
| 84 void IsNotQuiescent() override { | |
| 85 if (timeline_) { | |
| 86 timeline_->push_back(base::StringPrintf("IsNotQuiescent @ %d", | |
| 87 TimeTicksToIntMs(clock_->Now()))); | |
| 88 } | |
| 89 WorkerSchedulerImpl::IsNotQuiescent(); | |
| 90 } | |
| 91 | |
| 92 scoped_refptr<cc::TestNowSource> clock_; | |
| 93 std::vector<std::string>* timeline_; // NOT OWNED | |
| 94 }; | |
| 95 | |
| 96 class WorkerSchedulerImplTest : public testing::Test { | |
| 97 public: | |
| 98 WorkerSchedulerImplTest() | |
| 99 : clock_(cc::TestNowSource::Create(5000)), | |
| 100 mock_task_runner_(new cc::OrderedSimpleTaskRunner(clock_, true)), | |
| 101 nestable_task_runner_( | |
| 102 NestableTaskRunnerForTest::Create(mock_task_runner_)), | |
| 103 scheduler_( | |
| 104 new WorkerSchedulerImplForTest(nestable_task_runner_, clock_)), | |
| 105 timeline_(nullptr) { | |
| 106 scheduler_->SetTimeSourceForTesting(clock_); | |
| 107 } | |
| 108 | |
| 109 ~WorkerSchedulerImplTest() override {} | |
| 110 | |
| 111 void TearDown() override { | |
| 112 // Check that all tests stop posting tasks. | |
| 113 while (mock_task_runner_->RunUntilIdle()) { | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 void Init() { | |
| 118 scheduler_->Init(); | |
| 119 default_task_runner_ = scheduler_->DefaultTaskRunner(); | |
| 120 idle_task_runner_ = scheduler_->IdleTaskRunner(); | |
| 121 timeline_ = nullptr; | |
| 122 } | |
| 123 | |
| 124 void RecordTimelineEvents(std::vector<std::string>* timeline) { | |
| 125 timeline_ = timeline; | |
| 126 scheduler_->RecordTimelineEvents(timeline); | |
| 127 } | |
| 128 | |
| 129 void RunUntilIdle() { | |
| 130 if (timeline_) { | |
| 131 timeline_->push_back(base::StringPrintf("RunUntilIdle begin @ %d", | |
| 132 TimeTicksToIntMs(clock_->Now()))); | |
| 133 } | |
| 134 mock_task_runner_->RunUntilIdle(); | |
| 135 if (timeline_) { | |
| 136 timeline_->push_back(base::StringPrintf("RunUntilIdle end @ %d", | |
| 137 TimeTicksToIntMs(clock_->Now()))); | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 void InitAndPostDelayedWakeupTask() { | |
| 142 Init(); | |
| 143 // WorkerSchedulerImpl::Init causes a delayed task to be posted on the | |
| 144 // after wakeup control runner. We need a task to wake the system up | |
| 145 // AFTER the delay for this has expired. | |
| 146 default_task_runner_->PostDelayedTask( | |
| 147 FROM_HERE, base::Bind(&WakeUpTask, base::Unretained(timeline_), | |
| 148 base::Unretained(clock_.get())), | |
| 149 base::TimeDelta::FromMilliseconds(100)); | |
| 150 } | |
| 151 | |
| 152 // Helper for posting several tasks of specific types. |task_descriptor| is a | |
| 153 // string with space delimited task identifiers. The first letter of each | |
| 154 // task identifier specifies the task type: | |
| 155 // - 'D': Default task | |
| 156 // - 'I': Idle task | |
| 157 void PostTestTasks(std::vector<std::string>* run_order, | |
| 158 const std::string& task_descriptor) { | |
| 159 std::istringstream stream(task_descriptor); | |
| 160 while (!stream.eof()) { | |
| 161 std::string task; | |
| 162 stream >> task; | |
| 163 switch (task[0]) { | |
| 164 case 'D': | |
| 165 default_task_runner_->PostTask( | |
| 166 FROM_HERE, base::Bind(&AppendToVectorTestTask, run_order, task)); | |
| 167 break; | |
| 168 case 'I': | |
| 169 idle_task_runner_->PostIdleTask( | |
| 170 FROM_HERE, | |
| 171 base::Bind(&AppendToVectorIdleTestTask, run_order, task)); | |
| 172 break; | |
| 173 default: | |
| 174 NOTREACHED(); | |
| 175 } | |
| 176 } | |
| 177 } | |
| 178 | |
| 179 static base::TimeDelta maximum_idle_period_duration() { | |
| 180 return base::TimeDelta::FromMilliseconds( | |
| 181 SchedulerHelper::kMaximumIdlePeriodMillis); | |
| 182 } | |
| 183 | |
| 184 protected: | |
| 185 scoped_refptr<cc::TestNowSource> clock_; | |
| 186 // Only one of mock_task_runner_ or message_loop_ will be set. | |
| 187 scoped_refptr<cc::OrderedSimpleTaskRunner> mock_task_runner_; | |
| 188 | |
| 189 scoped_refptr<NestableSingleThreadTaskRunner> nestable_task_runner_; | |
| 190 scoped_ptr<WorkerSchedulerImplForTest> scheduler_; | |
| 191 scoped_refptr<base::SingleThreadTaskRunner> default_task_runner_; | |
| 192 scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner_; | |
| 193 std::vector<std::string>* timeline_; // NOT OWNED | |
| 194 | |
| 195 DISALLOW_COPY_AND_ASSIGN(WorkerSchedulerImplTest); | |
| 196 }; | |
| 197 | |
| 198 TEST_F(WorkerSchedulerImplTest, TestPostDefaultTask) { | |
| 199 InitAndPostDelayedWakeupTask(); | |
| 200 | |
| 201 std::vector<std::string> run_order; | |
| 202 PostTestTasks(&run_order, "D1 D2 D3 D4"); | |
| 203 | |
| 204 RunUntilIdle(); | |
| 205 EXPECT_THAT(run_order, | |
| 206 testing::ElementsAre(std::string("D1"), std::string("D2"), | |
| 207 std::string("D3"), std::string("D4"))); | |
| 208 } | |
| 209 | |
| 210 TEST_F(WorkerSchedulerImplTest, TestPostIdleTask) { | |
| 211 InitAndPostDelayedWakeupTask(); | |
| 212 | |
| 213 std::vector<std::string> run_order; | |
| 214 PostTestTasks(&run_order, "I1"); | |
| 215 | |
| 216 RunUntilIdle(); | |
| 217 EXPECT_THAT(run_order, testing::ElementsAre(std::string("I1"))); | |
| 218 } | |
| 219 | |
| 220 TEST_F(WorkerSchedulerImplTest, TestPostIdleTask_NoWakeup) { | |
| 221 Init(); | |
| 222 std::vector<std::string> run_order; | |
| 223 PostTestTasks(&run_order, "I1"); | |
| 224 | |
| 225 RunUntilIdle(); | |
| 226 EXPECT_TRUE(run_order.empty()); | |
| 227 } | |
| 228 | |
| 229 TEST_F(WorkerSchedulerImplTest, TestPostDefaultAndIdleTasks) { | |
| 230 InitAndPostDelayedWakeupTask(); | |
| 231 | |
| 232 std::vector<std::string> run_order; | |
| 233 PostTestTasks(&run_order, "I1 D2 D3 D4"); | |
| 234 | |
| 235 RunUntilIdle(); | |
| 236 EXPECT_THAT(run_order, | |
| 237 testing::ElementsAre(std::string("D2"), std::string("D3"), | |
| 238 std::string("D4"), std::string("I1"))); | |
| 239 } | |
| 240 | |
| 241 TEST_F(WorkerSchedulerImplTest, TestPostIdleTaskWithWakeupNeeded_NoWakeup) { | |
| 242 InitAndPostDelayedWakeupTask(); | |
| 243 | |
| 244 RunUntilIdle(); | |
| 245 // The delayed call to EnableLongIdlePeriod happened and it posted a call to | |
| 246 // EnableLongIdlePeriod on the after wakeup control queue. | |
| 247 | |
| 248 std::vector<std::string> run_order; | |
| 249 PostTestTasks(&run_order, "I1"); | |
| 250 | |
| 251 RunUntilIdle(); | |
| 252 EXPECT_TRUE(run_order.empty()); | |
| 253 } | |
| 254 | |
| 255 TEST_F(WorkerSchedulerImplTest, TestPostDefaultDelayedAndIdleTasks) { | |
| 256 InitAndPostDelayedWakeupTask(); | |
| 257 | |
| 258 std::vector<std::string> run_order; | |
| 259 PostTestTasks(&run_order, "I1 D2 D3 D4"); | |
| 260 | |
| 261 default_task_runner_->PostDelayedTask( | |
| 262 FROM_HERE, base::Bind(&AppendToVectorTestTask, &run_order, "DELAYED"), | |
| 263 base::TimeDelta::FromMilliseconds(1000)); | |
| 264 | |
| 265 RunUntilIdle(); | |
| 266 EXPECT_THAT(run_order, | |
| 267 testing::ElementsAre(std::string("D2"), std::string("D3"), | |
| 268 std::string("D4"), std::string("I1"), | |
| 269 std::string("DELAYED"))); | |
| 270 } | |
| 271 | |
| 272 TEST_F(WorkerSchedulerImplTest, TestIdleDeadlineWithPendingDelayedTask) { | |
| 273 std::vector<std::string> timeline; | |
| 274 RecordTimelineEvents(&timeline); | |
| 275 InitAndPostDelayedWakeupTask(); | |
| 276 | |
| 277 timeline.push_back("Post delayed and idle tasks"); | |
| 278 // Post a delayed task timed to occur mid way during the long idle period. | |
| 279 default_task_runner_->PostDelayedTask( | |
| 280 FROM_HERE, base::Bind(&RecordTimelineTask, base::Unretained(&timeline), | |
| 281 base::Unretained(clock_.get())), | |
| 282 base::TimeDelta::FromMilliseconds(420)); | |
| 283 idle_task_runner_->PostIdleTask(FROM_HERE, | |
| 284 base::Bind(&TimelineIdleTestTask, &timeline)); | |
| 285 | |
| 286 RunUntilIdle(); | |
| 287 | |
| 288 std::string expected_timeline[] = { | |
| 289 "CanEnterLongIdlePeriod @ 5", | |
| 290 "Post delayed and idle tasks", | |
| 291 "IsNotQuiescent @ 105", | |
| 292 "CanEnterLongIdlePeriod @ 405", | |
| 293 "run TimelineIdleTestTask deadline 425", // Note the short 20ms deadline. | |
| 294 "CanEnterLongIdlePeriod @ 425", | |
| 295 "run RecordTimelineTask @ 425"}; | |
| 296 | |
| 297 EXPECT_THAT(timeline, ElementsAreArray(expected_timeline)); | |
| 298 } | |
| 299 | |
| 300 TEST_F(WorkerSchedulerImplTest, | |
| 301 TestIdleDeadlineWithPendingDelayedTaskFarInTheFuture) { | |
| 302 std::vector<std::string> timeline; | |
| 303 RecordTimelineEvents(&timeline); | |
| 304 InitAndPostDelayedWakeupTask(); | |
| 305 | |
| 306 timeline.push_back("Post delayed and idle tasks"); | |
| 307 // Post a delayed task timed to occur well after the long idle period. | |
| 308 default_task_runner_->PostDelayedTask( | |
| 309 FROM_HERE, base::Bind(&RecordTimelineTask, base::Unretained(&timeline), | |
| 310 base::Unretained(clock_.get())), | |
| 311 base::TimeDelta::FromMilliseconds(1000)); | |
| 312 idle_task_runner_->PostIdleTask(FROM_HERE, | |
| 313 base::Bind(&TimelineIdleTestTask, &timeline)); | |
| 314 | |
| 315 RunUntilIdle(); | |
| 316 | |
| 317 std::string expected_timeline[] = { | |
| 318 "CanEnterLongIdlePeriod @ 5", | |
| 319 "Post delayed and idle tasks", | |
| 320 "IsNotQuiescent @ 105", | |
| 321 "CanEnterLongIdlePeriod @ 405", | |
| 322 "run TimelineIdleTestTask deadline 455", // Note the full 50ms deadline. | |
| 323 "CanEnterLongIdlePeriod @ 455", | |
| 324 "run RecordTimelineTask @ 1005"}; | |
| 325 | |
| 326 EXPECT_THAT(timeline, ElementsAreArray(expected_timeline)); | |
| 327 } | |
| 328 | |
| 329 TEST_F(WorkerSchedulerImplTest, | |
| 330 TestPostIdleTaskAfterRunningUntilIdle_NoWakeUp) { | |
| 331 InitAndPostDelayedWakeupTask(); | |
| 332 | |
| 333 default_task_runner_->PostDelayedTask( | |
| 334 FROM_HERE, base::Bind(&NopTask), base::TimeDelta::FromMilliseconds(1000)); | |
| 335 RunUntilIdle(); | |
| 336 | |
| 337 // The delayed call to EnableLongIdlePeriod happened and it posted a call to | |
| 338 // EnableLongIdlePeriod on the after wakeup control queue. Without an other | |
| 339 // non-idle task posted, the idle tasks won't run. | |
| 340 std::vector<std::string> run_order; | |
| 341 PostTestTasks(&run_order, "I1 I2"); | |
| 342 | |
| 343 RunUntilIdle(); | |
| 344 EXPECT_TRUE(run_order.empty()); | |
| 345 } | |
| 346 | |
| 347 TEST_F(WorkerSchedulerImplTest, | |
| 348 TestPostIdleTaskAfterRunningUntilIdle_WithWakeUp) { | |
| 349 InitAndPostDelayedWakeupTask(); | |
| 350 | |
| 351 default_task_runner_->PostDelayedTask( | |
| 352 FROM_HERE, base::Bind(&NopTask), base::TimeDelta::FromMilliseconds(1000)); | |
| 353 RunUntilIdle(); | |
| 354 // The delayed call to EnableLongIdlePeriod happened and it posted a call to | |
| 355 // EnableLongIdlePeriod on the after wakeup control queue. Without an other | |
| 356 // non-idle task posted, the idle tasks won't run. | |
| 357 | |
| 358 std::vector<std::string> run_order; | |
| 359 PostTestTasks(&run_order, "I1 I2 D3"); | |
| 360 | |
| 361 RunUntilIdle(); | |
| 362 EXPECT_THAT(run_order, | |
| 363 testing::ElementsAre(std::string("D3"), std::string("I1"), | |
| 364 std::string("I2"))); | |
| 365 } | |
| 366 | |
| 367 TEST_F(WorkerSchedulerImplTest, TestLongIdlePeriodTimeline) { | |
| 368 Init(); | |
| 369 | |
| 370 std::vector<std::string> timeline; | |
| 371 RecordTimelineEvents(&timeline); | |
| 372 | |
| 373 // The scheduler should not run the initiate_next_long_idle_period task if | |
| 374 // there are no idle tasks and no other task woke up the scheduler, thus | |
| 375 // the idle period deadline shouldn't update at the end of the current long | |
| 376 // idle period. | |
| 377 base::TimeTicks idle_period_deadline = | |
| 378 scheduler_->CurrentIdleTaskDeadlineForTesting(); | |
| 379 clock_->AdvanceNow(maximum_idle_period_duration()); | |
| 380 RunUntilIdle(); | |
| 381 | |
| 382 base::TimeTicks new_idle_period_deadline = | |
| 383 scheduler_->CurrentIdleTaskDeadlineForTesting(); | |
| 384 EXPECT_EQ(idle_period_deadline, new_idle_period_deadline); | |
| 385 | |
| 386 // Posting a after-wakeup idle task also shouldn't wake the scheduler or | |
| 387 // initiate the next long idle period. | |
| 388 timeline.push_back("PostIdleTaskAfterWakeup"); | |
| 389 idle_task_runner_->PostIdleTaskAfterWakeup( | |
| 390 FROM_HERE, base::Bind(&TimelineIdleTestTask, &timeline)); | |
| 391 RunUntilIdle(); | |
| 392 new_idle_period_deadline = scheduler_->CurrentIdleTaskDeadlineForTesting(); | |
| 393 | |
| 394 // Running a normal task should initiate a new long idle period after waiting | |
| 395 // 300ms for quiescence. | |
| 396 timeline.push_back("Post RecordTimelineTask"); | |
| 397 default_task_runner_->PostTask( | |
| 398 FROM_HERE, base::Bind(&RecordTimelineTask, base::Unretained(&timeline), | |
| 399 base::Unretained(clock_.get()))); | |
| 400 RunUntilIdle(); | |
| 401 | |
| 402 std::string expected_timeline[] = { | |
| 403 "RunUntilIdle begin @ 55", | |
| 404 "RunUntilIdle end @ 55", | |
| 405 "PostIdleTaskAfterWakeup", | |
| 406 "RunUntilIdle begin @ 55", // NOTE idle task doesn't run till later. | |
| 407 "RunUntilIdle end @ 55", | |
| 408 "Post RecordTimelineTask", | |
| 409 "RunUntilIdle begin @ 55", | |
| 410 "run RecordTimelineTask @ 55", | |
| 411 "IsNotQuiescent @ 55", // NOTE we have to wait for quiescence. | |
| 412 "CanEnterLongIdlePeriod @ 355", | |
| 413 "run TimelineIdleTestTask deadline 405", | |
| 414 "CanEnterLongIdlePeriod @ 405", | |
| 415 "RunUntilIdle end @ 455"}; | |
| 416 | |
| 417 EXPECT_THAT(timeline, ElementsAreArray(expected_timeline)); | |
| 418 } | |
| 419 | |
| 420 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1088933002:
Revert of Add a WorkerScheduler and a WebThreadImplForWorker (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master