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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/renderer/throttling_helper.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 | |
| 9 #include <memory> | |
| 10 | |
| 11 #include "base/callback.h" | |
| 12 #include "base/macros.h" | |
| 13 #include "base/memory/ptr_util.h" | |
| 14 #include "base/test/simple_test_tick_clock.h" | |
| 15 #include "cc/test/ordered_simple_task_runner.h" | |
| 16 #include "components/scheduler/base/test_time_source.h" | |
| 17 #include "components/scheduler/child/scheduler_tqm_delegate_for_test.h" | |
| 18 #include "components/scheduler/renderer/auto_advancing_virtual_time_domain.h" | |
| 19 #include "components/scheduler/renderer/renderer_scheduler_impl.h" | |
| 20 #include "components/scheduler/renderer/web_frame_scheduler_impl.h" | |
| 21 #include "components/scheduler/renderer/web_view_scheduler_impl.h" | |
| 22 #include "testing/gmock/include/gmock/gmock.h" | |
| 23 #include "testing/gtest/include/gtest/gtest.h" | |
| 24 | |
| 25 using testing::ElementsAre; | |
| 26 | |
| 27 namespace scheduler { | |
| 28 | |
| 29 namespace { | |
| 30 void CountingTask(size_t* count, scoped_refptr<TaskQueue> timer_queue) { | |
| 31 if (++(*count) < 10) { | |
| 32 timer_queue->PostTask(FROM_HERE, | |
| 33 base::Bind(&CountingTask, count, timer_queue)); | |
| 34 } | |
| 35 } | |
| 36 } | |
| 37 | |
| 38 class ThrottlingHelperTest : public testing::Test { | |
| 39 public: | |
| 40 ThrottlingHelperTest() {} | |
| 41 ~ThrottlingHelperTest() override {} | |
| 42 | |
| 43 void SetUp() override { | |
| 44 clock_.reset(new base::SimpleTestTickClock()); | |
| 45 clock_->Advance(base::TimeDelta::FromMicroseconds(5000)); | |
| 46 mock_task_runner_ = | |
| 47 make_scoped_refptr(new cc::OrderedSimpleTaskRunner(clock_.get(), true)); | |
| 48 delegate_ = SchedulerTqmDelegateForTest::Create( | |
| 49 mock_task_runner_, base::WrapUnique(new TestTimeSource(clock_.get()))); | |
| 50 scheduler_.reset(new RendererSchedulerImpl(delegate_)); | |
| 51 throttling_helper_ = scheduler_->throttling_helper(); | |
| 52 timer_queue_ = scheduler_->NewTimerTaskRunner("test_queue"); | |
| 53 } | |
| 54 | |
| 55 void TearDown() override { | |
| 56 scheduler_->Shutdown(); | |
| 57 scheduler_.reset(); | |
| 58 } | |
| 59 | |
| 60 void ExpectThrottled(scoped_refptr<TaskQueue> timer_queue) { | |
| 61 size_t count = 0; | |
| 62 timer_queue->PostTask(FROM_HERE, | |
| 63 base::Bind(&CountingTask, &count, timer_queue)); | |
| 64 | |
| 65 mock_task_runner_->RunForPeriod(base::TimeDelta::FromSeconds(1)); | |
| 66 EXPECT_LT(count, 10u); | |
| 67 mock_task_runner_->RunUntilIdle(); | |
| 68 } | |
| 69 | |
| 70 void ExpectUnthrottled(scoped_refptr<TaskQueue> timer_queue) { | |
| 71 size_t count = 0; | |
| 72 timer_queue->PostTask(FROM_HERE, | |
| 73 base::Bind(&CountingTask, &count, timer_queue)); | |
| 74 | |
| 75 mock_task_runner_->RunForPeriod(base::TimeDelta::FromSeconds(1)); | |
| 76 EXPECT_EQ(count, 10u); | |
| 77 mock_task_runner_->RunUntilIdle(); | |
| 78 } | |
| 79 | |
| 80 protected: | |
| 81 std::unique_ptr<base::SimpleTestTickClock> clock_; | |
| 82 scoped_refptr<cc::OrderedSimpleTaskRunner> mock_task_runner_; | |
| 83 scoped_refptr<SchedulerTqmDelegate> delegate_; | |
| 84 std::unique_ptr<RendererSchedulerImpl> scheduler_; | |
| 85 scoped_refptr<TaskQueue> timer_queue_; | |
| 86 ThrottlingHelper* throttling_helper_; // NOT OWNED | |
| 87 | |
| 88 DISALLOW_COPY_AND_ASSIGN(ThrottlingHelperTest); | |
| 89 }; | |
| 90 | |
| 91 TEST_F(ThrottlingHelperTest, ThrottledRunTime) { | |
| 92 EXPECT_EQ(base::TimeTicks() + base::TimeDelta::FromSecondsD(1.0), | |
| 93 ThrottlingHelper::ThrottledRunTime( | |
| 94 base::TimeTicks() + base::TimeDelta::FromSecondsD(0.0))); | |
| 95 | |
| 96 EXPECT_EQ(base::TimeTicks() + base::TimeDelta::FromSecondsD(1.0), | |
| 97 ThrottlingHelper::ThrottledRunTime( | |
| 98 base::TimeTicks() + base::TimeDelta::FromSecondsD(0.1))); | |
| 99 | |
| 100 EXPECT_EQ(base::TimeTicks() + base::TimeDelta::FromSecondsD(1.0), | |
| 101 ThrottlingHelper::ThrottledRunTime( | |
| 102 base::TimeTicks() + base::TimeDelta::FromSecondsD(0.2))); | |
| 103 | |
| 104 EXPECT_EQ(base::TimeTicks() + base::TimeDelta::FromSecondsD(1.0), | |
| 105 ThrottlingHelper::ThrottledRunTime( | |
| 106 base::TimeTicks() + base::TimeDelta::FromSecondsD(0.5))); | |
| 107 | |
| 108 EXPECT_EQ(base::TimeTicks() + base::TimeDelta::FromSecondsD(1.0), | |
| 109 ThrottlingHelper::ThrottledRunTime( | |
| 110 base::TimeTicks() + base::TimeDelta::FromSecondsD(0.8))); | |
| 111 | |
| 112 EXPECT_EQ(base::TimeTicks() + base::TimeDelta::FromSecondsD(1.0), | |
| 113 ThrottlingHelper::ThrottledRunTime( | |
| 114 base::TimeTicks() + base::TimeDelta::FromSecondsD(0.9))); | |
| 115 | |
| 116 EXPECT_EQ(base::TimeTicks() + base::TimeDelta::FromSecondsD(2.0), | |
| 117 ThrottlingHelper::ThrottledRunTime( | |
| 118 base::TimeTicks() + base::TimeDelta::FromSecondsD(1.0))); | |
| 119 | |
| 120 EXPECT_EQ(base::TimeTicks() + base::TimeDelta::FromSecondsD(2.0), | |
| 121 ThrottlingHelper::ThrottledRunTime( | |
| 122 base::TimeTicks() + base::TimeDelta::FromSecondsD(1.1))); | |
| 123 | |
| 124 EXPECT_EQ(base::TimeTicks() + base::TimeDelta::FromSecondsD(9.0), | |
| 125 ThrottlingHelper::ThrottledRunTime( | |
| 126 base::TimeTicks() + base::TimeDelta::FromSecondsD(8.0))); | |
| 127 | |
| 128 EXPECT_EQ(base::TimeTicks() + base::TimeDelta::FromSecondsD(9.0), | |
| 129 ThrottlingHelper::ThrottledRunTime( | |
| 130 base::TimeTicks() + base::TimeDelta::FromSecondsD(8.1))); | |
| 131 } | |
| 132 | |
| 133 namespace { | |
| 134 void TestTask(std::vector<base::TimeTicks>* run_times, | |
| 135 base::SimpleTestTickClock* clock) { | |
| 136 run_times->push_back(clock->NowTicks()); | |
| 137 } | |
| 138 } // namespace | |
| 139 | |
| 140 TEST_F(ThrottlingHelperTest, TimerAlignment) { | |
| 141 std::vector<base::TimeTicks> run_times; | |
| 142 timer_queue_->PostDelayedTask(FROM_HERE, | |
| 143 base::Bind(&TestTask, &run_times, clock_.get()), | |
| 144 base::TimeDelta::FromMilliseconds(200.0)); | |
| 145 | |
| 146 timer_queue_->PostDelayedTask(FROM_HERE, | |
| 147 base::Bind(&TestTask, &run_times, clock_.get()), | |
| 148 base::TimeDelta::FromMilliseconds(800.0)); | |
| 149 | |
| 150 timer_queue_->PostDelayedTask(FROM_HERE, | |
| 151 base::Bind(&TestTask, &run_times, clock_.get()), | |
| 152 base::TimeDelta::FromMilliseconds(1200.0)); | |
| 153 | |
| 154 timer_queue_->PostDelayedTask(FROM_HERE, | |
| 155 base::Bind(&TestTask, &run_times, clock_.get()), | |
| 156 base::TimeDelta::FromMilliseconds(8300.0)); | |
| 157 | |
| 158 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 159 | |
| 160 mock_task_runner_->RunUntilIdle(); | |
| 161 | |
| 162 // Times are aligned to a multipple of 1000 milliseconds. | |
| 163 EXPECT_THAT( | |
| 164 run_times, | |
| 165 ElementsAre( | |
| 166 base::TimeTicks() + base::TimeDelta::FromMilliseconds(1000.0), | |
| 167 base::TimeTicks() + base::TimeDelta::FromMilliseconds(1000.0), | |
| 168 base::TimeTicks() + base::TimeDelta::FromMilliseconds(2000.0), | |
| 169 base::TimeTicks() + base::TimeDelta::FromMilliseconds(9000.0))); | |
| 170 } | |
| 171 | |
| 172 TEST_F(ThrottlingHelperTest, TimerAlignment_Unthrottled) { | |
| 173 std::vector<base::TimeTicks> run_times; | |
| 174 base::TimeTicks start_time = clock_->NowTicks(); | |
| 175 timer_queue_->PostDelayedTask(FROM_HERE, | |
| 176 base::Bind(&TestTask, &run_times, clock_.get()), | |
| 177 base::TimeDelta::FromMilliseconds(200.0)); | |
| 178 | |
| 179 timer_queue_->PostDelayedTask(FROM_HERE, | |
| 180 base::Bind(&TestTask, &run_times, clock_.get()), | |
| 181 base::TimeDelta::FromMilliseconds(800.0)); | |
| 182 | |
| 183 timer_queue_->PostDelayedTask(FROM_HERE, | |
| 184 base::Bind(&TestTask, &run_times, clock_.get()), | |
| 185 base::TimeDelta::FromMilliseconds(1200.0)); | |
| 186 | |
| 187 timer_queue_->PostDelayedTask(FROM_HERE, | |
| 188 base::Bind(&TestTask, &run_times, clock_.get()), | |
| 189 base::TimeDelta::FromMilliseconds(8300.0)); | |
| 190 | |
| 191 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 192 throttling_helper_->DecreaseThrottleRefCount(timer_queue_.get()); | |
| 193 | |
| 194 mock_task_runner_->RunUntilIdle(); | |
| 195 | |
| 196 // Times are not aligned. | |
| 197 EXPECT_THAT( | |
| 198 run_times, | |
| 199 ElementsAre(start_time + base::TimeDelta::FromMilliseconds(200.0), | |
| 200 start_time + base::TimeDelta::FromMilliseconds(800.0), | |
| 201 start_time + base::TimeDelta::FromMilliseconds(1200.0), | |
| 202 start_time + base::TimeDelta::FromMilliseconds(8300.0))); | |
| 203 } | |
| 204 | |
| 205 TEST_F(ThrottlingHelperTest, Refcount) { | |
| 206 ExpectUnthrottled(timer_queue_.get()); | |
| 207 | |
| 208 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 209 ExpectThrottled(timer_queue_); | |
| 210 | |
| 211 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 212 ExpectThrottled(timer_queue_); | |
| 213 | |
| 214 throttling_helper_->DecreaseThrottleRefCount(timer_queue_.get()); | |
| 215 ExpectThrottled(timer_queue_); | |
| 216 | |
| 217 throttling_helper_->DecreaseThrottleRefCount(timer_queue_.get()); | |
| 218 ExpectUnthrottled(timer_queue_); | |
| 219 | |
| 220 // Should be a NOP. | |
| 221 throttling_helper_->DecreaseThrottleRefCount(timer_queue_.get()); | |
| 222 ExpectUnthrottled(timer_queue_); | |
| 223 | |
| 224 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 225 ExpectThrottled(timer_queue_); | |
| 226 } | |
| 227 | |
| 228 TEST_F(ThrottlingHelperTest, | |
| 229 ThrotlingAnEmptyQueueDoesNotPostPumpThrottledTasksLocked) { | |
| 230 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 231 | |
| 232 EXPECT_TRUE(throttling_helper_->task_runner()->IsEmpty()); | |
| 233 } | |
| 234 | |
| 235 TEST_F(ThrottlingHelperTest, WakeUpForNonDelayedTask) { | |
| 236 std::vector<base::TimeTicks> run_times; | |
| 237 | |
| 238 // Nothing is posted on timer_queue_ so PumpThrottledTasks will not tick. | |
| 239 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 240 | |
| 241 // Posting a task should trigger the pump. | |
| 242 timer_queue_->PostTask(FROM_HERE, | |
| 243 base::Bind(&TestTask, &run_times, clock_.get())); | |
| 244 | |
| 245 mock_task_runner_->RunUntilIdle(); | |
| 246 EXPECT_THAT(run_times, | |
| 247 ElementsAre(base::TimeTicks() + | |
| 248 base::TimeDelta::FromMilliseconds(1000.0))); | |
| 249 } | |
| 250 | |
| 251 TEST_F(ThrottlingHelperTest, WakeUpForDelayedTask) { | |
| 252 std::vector<base::TimeTicks> run_times; | |
| 253 | |
| 254 // Nothing is posted on timer_queue_ so PumpThrottledTasks will not tick. | |
| 255 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 256 | |
| 257 // Posting a task should trigger the pump. | |
| 258 timer_queue_->PostDelayedTask(FROM_HERE, | |
| 259 base::Bind(&TestTask, &run_times, clock_.get()), | |
| 260 base::TimeDelta::FromMilliseconds(1200.0)); | |
| 261 | |
| 262 mock_task_runner_->RunUntilIdle(); | |
| 263 EXPECT_THAT(run_times, | |
| 264 ElementsAre(base::TimeTicks() + | |
| 265 base::TimeDelta::FromMilliseconds(2000.0))); | |
| 266 } | |
| 267 | |
| 268 namespace { | |
| 269 bool MessageLoopTaskCounter(size_t* count) { | |
| 270 *count = *count + 1; | |
| 271 return true; | |
| 272 } | |
| 273 | |
| 274 void NopTask() {} | |
| 275 | |
| 276 } // namespace | |
| 277 | |
| 278 TEST_F(ThrottlingHelperTest, | |
| 279 SingleThrottledTaskPumpedAndRunWithNoExtraneousMessageLoopTasks) { | |
| 280 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 281 | |
| 282 base::TimeDelta delay(base::TimeDelta::FromMilliseconds(10)); | |
| 283 timer_queue_->PostDelayedTask(FROM_HERE, base::Bind(&NopTask), delay); | |
| 284 | |
| 285 size_t task_count = 0; | |
| 286 mock_task_runner_->RunTasksWhile( | |
| 287 base::Bind(&MessageLoopTaskCounter, &task_count)); | |
| 288 | |
| 289 EXPECT_EQ(1u, task_count); | |
| 290 } | |
| 291 | |
| 292 TEST_F(ThrottlingHelperTest, | |
| 293 SingleFutureThrottledTaskPumpedAndRunWithNoExtraneousMessageLoopTasks) { | |
| 294 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 295 | |
| 296 base::TimeDelta delay(base::TimeDelta::FromSecondsD(15.5)); | |
| 297 timer_queue_->PostDelayedTask(FROM_HERE, base::Bind(&NopTask), delay); | |
| 298 | |
| 299 size_t task_count = 0; | |
| 300 mock_task_runner_->RunTasksWhile( | |
| 301 base::Bind(&MessageLoopTaskCounter, &task_count)); | |
| 302 | |
| 303 EXPECT_EQ(1u, task_count); | |
| 304 } | |
| 305 | |
| 306 TEST_F(ThrottlingHelperTest, | |
| 307 TwoFutureThrottledTaskPumpedAndRunWithNoExtraneousMessageLoopTasks) { | |
| 308 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 309 std::vector<base::TimeTicks> run_times; | |
| 310 | |
| 311 base::TimeDelta delay(base::TimeDelta::FromSecondsD(15.5)); | |
| 312 timer_queue_->PostDelayedTask(FROM_HERE, | |
| 313 base::Bind(&TestTask, &run_times, clock_.get()), | |
| 314 delay); | |
| 315 | |
| 316 base::TimeDelta delay2(base::TimeDelta::FromSecondsD(5.5)); | |
| 317 timer_queue_->PostDelayedTask(FROM_HERE, | |
| 318 base::Bind(&TestTask, &run_times, clock_.get()), | |
| 319 delay2); | |
| 320 | |
| 321 size_t task_count = 0; | |
| 322 mock_task_runner_->RunTasksWhile( | |
| 323 base::Bind(&MessageLoopTaskCounter, &task_count)); | |
| 324 | |
| 325 EXPECT_EQ(2u, task_count); // There are two since the cancelled task runs in | |
| 326 // the same DoWork batch. | |
| 327 | |
| 328 EXPECT_THAT( | |
| 329 run_times, | |
| 330 ElementsAre(base::TimeTicks() + base::TimeDelta::FromSeconds(6), | |
| 331 base::TimeTicks() + base::TimeDelta::FromSeconds(16))); | |
| 332 } | |
| 333 | |
| 334 TEST_F(ThrottlingHelperTest, TaskDelayIsBasedOnRealTime) { | |
| 335 std::vector<base::TimeTicks> run_times; | |
| 336 | |
| 337 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 338 | |
| 339 // Post an initial task that should run at the first aligned time period. | |
| 340 timer_queue_->PostDelayedTask(FROM_HERE, | |
| 341 base::Bind(&TestTask, &run_times, clock_.get()), | |
| 342 base::TimeDelta::FromMilliseconds(900.0)); | |
| 343 | |
| 344 mock_task_runner_->RunUntilIdle(); | |
| 345 | |
| 346 // Advance realtime. | |
| 347 clock_->Advance(base::TimeDelta::FromMilliseconds(250)); | |
| 348 | |
| 349 // Post a task that due to real time + delay must run in the third aligned | |
| 350 // time period. | |
| 351 timer_queue_->PostDelayedTask(FROM_HERE, | |
| 352 base::Bind(&TestTask, &run_times, clock_.get()), | |
| 353 base::TimeDelta::FromMilliseconds(900.0)); | |
| 354 | |
| 355 mock_task_runner_->RunUntilIdle(); | |
| 356 | |
| 357 EXPECT_THAT( | |
| 358 run_times, | |
| 359 ElementsAre( | |
| 360 base::TimeTicks() + base::TimeDelta::FromMilliseconds(1000.0), | |
| 361 base::TimeTicks() + base::TimeDelta::FromMilliseconds(3000.0))); | |
| 362 } | |
| 363 | |
| 364 TEST_F(ThrottlingHelperTest, ThrottledTasksReportRealTime) { | |
| 365 EXPECT_EQ(timer_queue_->GetTimeDomain()->Now(), clock_->NowTicks()); | |
| 366 | |
| 367 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 368 EXPECT_EQ(timer_queue_->GetTimeDomain()->Now(), clock_->NowTicks()); | |
| 369 | |
| 370 clock_->Advance(base::TimeDelta::FromMilliseconds(250)); | |
| 371 // Make sure the throttled time domain's Now() reports the same as the | |
| 372 // underlying clock. | |
| 373 EXPECT_EQ(timer_queue_->GetTimeDomain()->Now(), clock_->NowTicks()); | |
| 374 } | |
| 375 | |
| 376 TEST_F(ThrottlingHelperTest, TaskQueueDisabledTillPump) { | |
| 377 timer_queue_->PostTask(FROM_HERE, base::Bind(&NopTask)); | |
| 378 | |
| 379 EXPECT_TRUE(timer_queue_->IsQueueEnabled()); | |
| 380 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 381 EXPECT_FALSE(timer_queue_->IsQueueEnabled()); | |
| 382 | |
| 383 mock_task_runner_->RunUntilIdle(); // Wait until the pump. | |
| 384 EXPECT_TRUE(timer_queue_->IsQueueEnabled()); | |
| 385 } | |
| 386 | |
| 387 TEST_F(ThrottlingHelperTest, TaskQueueUnthrottle_InitiallyEnabled) { | |
| 388 timer_queue_->PostTask(FROM_HERE, base::Bind(&NopTask)); | |
| 389 | |
| 390 timer_queue_->SetQueueEnabled(true); // NOP | |
| 391 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 392 EXPECT_FALSE(timer_queue_->IsQueueEnabled()); | |
| 393 | |
| 394 throttling_helper_->DecreaseThrottleRefCount(timer_queue_.get()); | |
| 395 EXPECT_TRUE(timer_queue_->IsQueueEnabled()); | |
| 396 } | |
| 397 | |
| 398 TEST_F(ThrottlingHelperTest, TaskQueueUnthrottle_InitiallyDisabled) { | |
| 399 timer_queue_->PostTask(FROM_HERE, base::Bind(&NopTask)); | |
| 400 | |
| 401 timer_queue_->SetQueueEnabled(false); | |
| 402 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 403 EXPECT_FALSE(timer_queue_->IsQueueEnabled()); | |
| 404 | |
| 405 throttling_helper_->DecreaseThrottleRefCount(timer_queue_.get()); | |
| 406 EXPECT_FALSE(timer_queue_->IsQueueEnabled()); | |
| 407 } | |
| 408 | |
| 409 TEST_F(ThrottlingHelperTest, SetQueueEnabled_Unthrottled) { | |
| 410 timer_queue_->PostTask(FROM_HERE, base::Bind(&NopTask)); | |
| 411 | |
| 412 throttling_helper_->SetQueueEnabled(timer_queue_.get(), false); | |
| 413 EXPECT_FALSE(timer_queue_->IsQueueEnabled()); | |
| 414 | |
| 415 throttling_helper_->SetQueueEnabled(timer_queue_.get(), true); | |
| 416 EXPECT_TRUE(timer_queue_->IsQueueEnabled()); | |
| 417 } | |
| 418 | |
| 419 TEST_F(ThrottlingHelperTest, SetQueueEnabled_DisabledWhileThrottled) { | |
| 420 timer_queue_->PostTask(FROM_HERE, base::Bind(&NopTask)); | |
| 421 | |
| 422 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 423 EXPECT_FALSE(timer_queue_->IsQueueEnabled()); | |
| 424 | |
| 425 throttling_helper_->SetQueueEnabled(timer_queue_.get(), false); | |
| 426 throttling_helper_->DecreaseThrottleRefCount(timer_queue_.get()); | |
| 427 EXPECT_FALSE(timer_queue_->IsQueueEnabled()); | |
| 428 } | |
| 429 | |
| 430 TEST_F(ThrottlingHelperTest, TaskQueueDisabledTillPump_ThenManuallyDisabled) { | |
| 431 timer_queue_->PostTask(FROM_HERE, base::Bind(&NopTask)); | |
| 432 | |
| 433 EXPECT_TRUE(timer_queue_->IsQueueEnabled()); | |
| 434 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 435 EXPECT_FALSE(timer_queue_->IsQueueEnabled()); | |
| 436 | |
| 437 mock_task_runner_->RunUntilIdle(); // Wait until the pump. | |
| 438 EXPECT_TRUE(timer_queue_->IsQueueEnabled()); | |
| 439 | |
| 440 throttling_helper_->SetQueueEnabled(timer_queue_.get(), false); | |
| 441 EXPECT_FALSE(timer_queue_->IsQueueEnabled()); | |
| 442 } | |
| 443 | |
| 444 TEST_F(ThrottlingHelperTest, DoubleIncrementDoubleDecrement) { | |
| 445 timer_queue_->PostTask(FROM_HERE, base::Bind(&NopTask)); | |
| 446 | |
| 447 EXPECT_TRUE(timer_queue_->IsQueueEnabled()); | |
| 448 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 449 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 450 EXPECT_FALSE(timer_queue_->IsQueueEnabled()); | |
| 451 throttling_helper_->DecreaseThrottleRefCount(timer_queue_.get()); | |
| 452 throttling_helper_->DecreaseThrottleRefCount(timer_queue_.get()); | |
| 453 EXPECT_TRUE(timer_queue_->IsQueueEnabled()); | |
| 454 } | |
| 455 | |
| 456 TEST_F(ThrottlingHelperTest, EnableVirtualTimeThenIncrement) { | |
| 457 timer_queue_->PostTask(FROM_HERE, base::Bind(&NopTask)); | |
| 458 | |
| 459 scheduler_->EnableVirtualTime(); | |
| 460 EXPECT_EQ(timer_queue_->GetTimeDomain(), scheduler_->GetVirtualTimeDomain()); | |
| 461 | |
| 462 EXPECT_TRUE(timer_queue_->IsQueueEnabled()); | |
| 463 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 464 EXPECT_TRUE(timer_queue_->IsQueueEnabled()); | |
| 465 EXPECT_EQ(timer_queue_->GetTimeDomain(), scheduler_->GetVirtualTimeDomain()); | |
| 466 } | |
| 467 | |
| 468 TEST_F(ThrottlingHelperTest, IncrementThenEnableVirtualTime) { | |
| 469 timer_queue_->PostTask(FROM_HERE, base::Bind(&NopTask)); | |
| 470 | |
| 471 EXPECT_TRUE(timer_queue_->IsQueueEnabled()); | |
| 472 throttling_helper_->IncreaseThrottleRefCount(timer_queue_.get()); | |
| 473 EXPECT_FALSE(timer_queue_->IsQueueEnabled()); | |
| 474 | |
| 475 scheduler_->EnableVirtualTime(); | |
| 476 EXPECT_TRUE(timer_queue_->IsQueueEnabled()); | |
| 477 EXPECT_EQ(timer_queue_->GetTimeDomain(), scheduler_->GetVirtualTimeDomain()); | |
| 478 } | |
| 479 | |
| 480 } // namespace scheduler | |
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Chromium Code Reviews
Issue 2118903002:
scheduler: Move the Blink scheduler into Blink (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master