| // 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 "components/scheduler/renderer/web_view_scheduler_impl.h" |
| |
| #include <memory> |
| |
| #include "base/callback.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/test/simple_test_tick_clock.h" |
| #include "cc/test/ordered_simple_task_runner.h" |
| #include "components/scheduler/base/test_time_source.h" |
| #include "components/scheduler/child/scheduler_tqm_delegate_for_test.h" |
| #include "components/scheduler/renderer/renderer_scheduler_impl.h" |
| #include "components/scheduler/renderer/web_frame_scheduler_impl.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/WebKit/public/platform/WebTaskRunner.h" |
| #include "third_party/WebKit/public/platform/WebTraceLocation.h" |
| |
| using testing::ElementsAre; |
| using VirtualTimePolicy = blink::WebViewScheduler::VirtualTimePolicy; |
| |
| namespace scheduler { |
| |
| class WebViewSchedulerImplTest : public testing::Test { |
| public: |
| WebViewSchedulerImplTest() {} |
| ~WebViewSchedulerImplTest() override {} |
| |
| void SetUp() override { |
| clock_.reset(new base::SimpleTestTickClock()); |
| clock_->Advance(base::TimeDelta::FromMicroseconds(5000)); |
| mock_task_runner_ = |
| make_scoped_refptr(new cc::OrderedSimpleTaskRunner(clock_.get(), true)); |
| delagate_ = SchedulerTqmDelegateForTest::Create( |
| mock_task_runner_, base::WrapUnique(new TestTimeSource(clock_.get()))); |
| scheduler_.reset(new RendererSchedulerImpl(delagate_)); |
| web_view_scheduler_.reset(new WebViewSchedulerImpl( |
| nullptr, scheduler_.get(), DisableBackgroundTimerThrottling())); |
| web_frame_scheduler_ = |
| web_view_scheduler_->createWebFrameSchedulerImpl(nullptr); |
| } |
| |
| void TearDown() override { |
| web_frame_scheduler_.reset(); |
| web_view_scheduler_.reset(); |
| scheduler_->Shutdown(); |
| scheduler_.reset(); |
| } |
| |
| virtual bool DisableBackgroundTimerThrottling() const { return false; } |
| |
| std::unique_ptr<base::SimpleTestTickClock> clock_; |
| scoped_refptr<cc::OrderedSimpleTaskRunner> mock_task_runner_; |
| scoped_refptr<SchedulerTqmDelegate> delagate_; |
| std::unique_ptr<RendererSchedulerImpl> scheduler_; |
| std::unique_ptr<WebViewSchedulerImpl> web_view_scheduler_; |
| std::unique_ptr<WebFrameSchedulerImpl> web_frame_scheduler_; |
| }; |
| |
| TEST_F(WebViewSchedulerImplTest, TestDestructionOfFrameSchedulersBefore) { |
| std::unique_ptr<blink::WebFrameScheduler> frame1( |
| web_view_scheduler_->createFrameScheduler(nullptr)); |
| std::unique_ptr<blink::WebFrameScheduler> frame2( |
| web_view_scheduler_->createFrameScheduler(nullptr)); |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, TestDestructionOfFrameSchedulersAfter) { |
| std::unique_ptr<blink::WebFrameScheduler> frame1( |
| web_view_scheduler_->createFrameScheduler(nullptr)); |
| std::unique_ptr<blink::WebFrameScheduler> frame2( |
| web_view_scheduler_->createFrameScheduler(nullptr)); |
| web_view_scheduler_.reset(); |
| } |
| |
| namespace { |
| class RepeatingTask : public blink::WebTaskRunner::Task { |
| public: |
| RepeatingTask(blink::WebTaskRunner* web_task_runner, int* run_count) |
| : web_task_runner_(web_task_runner), run_count_(run_count) {} |
| |
| ~RepeatingTask() override {} |
| |
| void run() override { |
| (*run_count_)++; |
| web_task_runner_->postDelayedTask( |
| BLINK_FROM_HERE, new RepeatingTask(web_task_runner_, run_count_), 1.0); |
| } |
| |
| private: |
| blink::WebTaskRunner* web_task_runner_; // NOT OWNED |
| int* run_count_; // NOT OWNED |
| }; |
| } // namespace |
| |
| TEST_F(WebViewSchedulerImplTest, RepeatingTimer_PageInForeground) { |
| web_view_scheduler_->setPageVisible(true); |
| |
| int run_count = 0; |
| web_frame_scheduler_->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new RepeatingTask(web_frame_scheduler_->timerTaskRunner(), &run_count), |
| 1.0); |
| |
| mock_task_runner_->RunForPeriod(base::TimeDelta::FromSeconds(1)); |
| EXPECT_EQ(1000, run_count); |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, RepeatingTimer_PageInBackground) { |
| web_view_scheduler_->setPageVisible(false); |
| |
| int run_count = 0; |
| web_frame_scheduler_->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new RepeatingTask(web_frame_scheduler_->timerTaskRunner(), &run_count), |
| 1.0); |
| |
| mock_task_runner_->RunForPeriod(base::TimeDelta::FromSeconds(1)); |
| EXPECT_EQ(1, run_count); |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, RepeatingLoadingTask_PageInBackground) { |
| web_view_scheduler_->setPageVisible(false); |
| |
| int run_count = 0; |
| web_frame_scheduler_->loadingTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new RepeatingTask(web_frame_scheduler_->loadingTaskRunner(), &run_count), |
| 1.0); |
| |
| mock_task_runner_->RunForPeriod(base::TimeDelta::FromSeconds(1)); |
| EXPECT_EQ(1000, run_count); // Loading tasks should not be throttled |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, RepeatingTimers_OneBackgroundOneForeground) { |
| std::unique_ptr<WebViewSchedulerImpl> web_view_scheduler2( |
| new WebViewSchedulerImpl(nullptr, scheduler_.get(), false)); |
| std::unique_ptr<WebFrameSchedulerImpl> web_frame_scheduler2 = |
| web_view_scheduler2->createWebFrameSchedulerImpl(nullptr); |
| |
| web_view_scheduler_->setPageVisible(true); |
| web_view_scheduler2->setPageVisible(false); |
| |
| int run_count1 = 0; |
| int run_count2 = 0; |
| web_frame_scheduler_->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new RepeatingTask(web_frame_scheduler_->timerTaskRunner(), &run_count1), |
| 1.0); |
| web_frame_scheduler2->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new RepeatingTask(web_frame_scheduler2->timerTaskRunner(), &run_count2), |
| 1.0); |
| |
| mock_task_runner_->RunForPeriod(base::TimeDelta::FromSeconds(1)); |
| EXPECT_EQ(1000, run_count1); |
| EXPECT_EQ(1, run_count2); |
| } |
| |
| namespace { |
| class VirtualTimeRecorderTask : public blink::WebTaskRunner::Task { |
| public: |
| VirtualTimeRecorderTask(base::SimpleTestTickClock* clock, |
| blink::WebTaskRunner* web_task_runner, |
| std::vector<base::TimeTicks>* out_real_times, |
| std::vector<size_t>* out_virtual_times_ms) |
| : clock_(clock), |
| web_task_runner_(web_task_runner), |
| out_real_times_(out_real_times), |
| out_virtual_times_ms_(out_virtual_times_ms) {} |
| |
| ~VirtualTimeRecorderTask() override {} |
| |
| void run() override { |
| out_real_times_->push_back(clock_->NowTicks()); |
| out_virtual_times_ms_->push_back( |
| web_task_runner_->monotonicallyIncreasingVirtualTimeSeconds() * 1000.0); |
| } |
| |
| private: |
| base::SimpleTestTickClock* clock_; // NOT OWNED |
| blink::WebTaskRunner* web_task_runner_; // NOT OWNED |
| std::vector<base::TimeTicks>* out_real_times_; // NOT OWNED |
| std::vector<size_t>* out_virtual_times_ms_; // NOT OWNED |
| }; |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, VirtualTime_TimerFastForwarding) { |
| std::vector<base::TimeTicks> real_times; |
| std::vector<size_t> virtual_times_ms; |
| base::TimeTicks initial_real_time = scheduler_->tick_clock()->NowTicks(); |
| size_t initial_virtual_time_ms = |
| web_frame_scheduler_->timerTaskRunner() |
| ->monotonicallyIncreasingVirtualTimeSeconds() * |
| 1000.0; |
| |
| web_view_scheduler_->enableVirtualTime(); |
| |
| web_frame_scheduler_->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new VirtualTimeRecorderTask(clock_.get(), |
| web_frame_scheduler_->timerTaskRunner(), |
| &real_times, &virtual_times_ms), |
| 2.0); |
| |
| web_frame_scheduler_->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new VirtualTimeRecorderTask(clock_.get(), |
| web_frame_scheduler_->timerTaskRunner(), |
| &real_times, &virtual_times_ms), |
| 20.0); |
| |
| web_frame_scheduler_->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new VirtualTimeRecorderTask(clock_.get(), |
| web_frame_scheduler_->timerTaskRunner(), |
| &real_times, &virtual_times_ms), |
| 200.0); |
| |
| mock_task_runner_->RunUntilIdle(); |
| |
| EXPECT_THAT(real_times, ElementsAre(initial_real_time, |
| initial_real_time, initial_real_time)); |
| EXPECT_THAT(virtual_times_ms, |
| ElementsAre(initial_virtual_time_ms + 2, |
| initial_virtual_time_ms + 20, |
| initial_virtual_time_ms + 200)); |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, VirtualTime_LoadingTaskFastForwarding) { |
| std::vector<base::TimeTicks> real_times; |
| std::vector<size_t> virtual_times_ms; |
| base::TimeTicks initial_real_time = scheduler_->tick_clock()->NowTicks(); |
| size_t initial_virtual_time_ms = |
| web_frame_scheduler_->timerTaskRunner() |
| ->monotonicallyIncreasingVirtualTimeSeconds() * |
| 1000.0; |
| |
| web_view_scheduler_->enableVirtualTime(); |
| |
| web_frame_scheduler_->loadingTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new VirtualTimeRecorderTask(clock_.get(), |
| web_frame_scheduler_->loadingTaskRunner(), |
| &real_times, &virtual_times_ms), |
| 2.0); |
| |
| web_frame_scheduler_->loadingTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new VirtualTimeRecorderTask(clock_.get(), |
| web_frame_scheduler_->loadingTaskRunner(), |
| &real_times, &virtual_times_ms), |
| 20.0); |
| |
| web_frame_scheduler_->loadingTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new VirtualTimeRecorderTask(clock_.get(), |
| web_frame_scheduler_->loadingTaskRunner(), |
| &real_times, &virtual_times_ms), |
| 200.0); |
| |
| mock_task_runner_->RunUntilIdle(); |
| |
| EXPECT_THAT(real_times, ElementsAre(initial_real_time, |
| initial_real_time, initial_real_time)); |
| EXPECT_THAT(virtual_times_ms, |
| ElementsAre(initial_virtual_time_ms + 2, |
| initial_virtual_time_ms + 20, |
| initial_virtual_time_ms + 200)); |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, |
| RepeatingTimer_PageInBackground_MeansNothingForVirtualTime) { |
| web_view_scheduler_->enableVirtualTime(); |
| web_view_scheduler_->setPageVisible(false); |
| base::TimeTicks initial_real_time = scheduler_->tick_clock()->NowTicks(); |
| |
| int run_count = 0; |
| web_frame_scheduler_->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new RepeatingTask(web_frame_scheduler_->timerTaskRunner(), &run_count), |
| 1.0); |
| |
| mock_task_runner_->RunTasksWhile(mock_task_runner_->TaskRunCountBelow(2000)); |
| // Virtual time means page visibility is ignored. |
| EXPECT_EQ(1999, run_count); |
| |
| // The global tick clock has not moved, yet we ran a large number of "delayed" |
| // tasks despite calling setPageVisible(false). |
| EXPECT_EQ(initial_real_time, scheduler_->tick_clock()->NowTicks()); |
| } |
| |
| namespace { |
| class RunOrderTask : public blink::WebTaskRunner::Task { |
| public: |
| RunOrderTask(int index, std::vector<int>* out_run_order) |
| : index_(index), |
| out_run_order_(out_run_order) {} |
| |
| ~RunOrderTask() override {} |
| |
| void run() override { |
| out_run_order_->push_back(index_); |
| } |
| |
| private: |
| int index_; |
| std::vector<int>* out_run_order_; // NOT OWNED |
| }; |
| |
| class DelayedRunOrderTask : public blink::WebTaskRunner::Task { |
| public: |
| DelayedRunOrderTask(int index, blink::WebTaskRunner* task_runner, |
| std::vector<int>* out_run_order) |
| : index_(index), |
| task_runner_(task_runner), |
| out_run_order_(out_run_order) {} |
| |
| ~DelayedRunOrderTask() override {} |
| |
| void run() override { |
| out_run_order_->push_back(index_); |
| task_runner_->postTask( |
| BLINK_FROM_HERE, new RunOrderTask(index_ + 1, out_run_order_)); |
| } |
| |
| private: |
| int index_; |
| blink::WebTaskRunner* task_runner_; // NOT OWNED |
| std::vector<int>* out_run_order_; // NOT OWNED |
| }; |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, VirtualTime_NotAllowedToAdvance) { |
| std::vector<int> run_order; |
| |
| web_view_scheduler_->setVirtualTimePolicy(VirtualTimePolicy::PAUSE); |
| web_view_scheduler_->enableVirtualTime(); |
| |
| web_frame_scheduler_->timerTaskRunner()->postTask( |
| BLINK_FROM_HERE, new RunOrderTask(0, &run_order)); |
| |
| web_frame_scheduler_->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new DelayedRunOrderTask(1, web_frame_scheduler_->timerTaskRunner(), |
| &run_order), |
| 2.0); |
| |
| web_frame_scheduler_->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new DelayedRunOrderTask(3, web_frame_scheduler_->timerTaskRunner(), |
| &run_order), |
| 4.0); |
| |
| mock_task_runner_->RunUntilIdle(); |
| |
| // Immediate tasks are allowed to run even if delayed tasks are not. |
| EXPECT_THAT(run_order, ElementsAre(0)); |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, VirtualTime_AllowedToAdvance) { |
| std::vector<int> run_order; |
| |
| web_view_scheduler_->setVirtualTimePolicy(VirtualTimePolicy::ADVANCE); |
| web_view_scheduler_->enableVirtualTime(); |
| |
| web_frame_scheduler_->timerTaskRunner()->postTask( |
| BLINK_FROM_HERE, new RunOrderTask(0, &run_order)); |
| |
| web_frame_scheduler_->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new DelayedRunOrderTask(1, web_frame_scheduler_->timerTaskRunner(), |
| &run_order), |
| 2.0); |
| |
| web_frame_scheduler_->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new DelayedRunOrderTask(3, web_frame_scheduler_->timerTaskRunner(), |
| &run_order), |
| 4.0); |
| |
| mock_task_runner_->RunUntilIdle(); |
| |
| EXPECT_THAT(run_order, ElementsAre(0, 1, 2, 3, 4)); |
| } |
| |
| class WebViewSchedulerImplTestWithDisabledBackgroundTimerThrottling |
| : public WebViewSchedulerImplTest { |
| public: |
| WebViewSchedulerImplTestWithDisabledBackgroundTimerThrottling() {} |
| ~WebViewSchedulerImplTestWithDisabledBackgroundTimerThrottling() override {} |
| |
| bool DisableBackgroundTimerThrottling() const override { return true; } |
| }; |
| |
| TEST_F(WebViewSchedulerImplTestWithDisabledBackgroundTimerThrottling, |
| RepeatingTimer_PageInBackground) { |
| web_view_scheduler_->setPageVisible(false); |
| |
| int run_count = 0; |
| web_frame_scheduler_->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, |
| new RepeatingTask(web_frame_scheduler_->timerTaskRunner(), &run_count), |
| 1.0); |
| |
| mock_task_runner_->RunForPeriod(base::TimeDelta::FromSeconds(1)); |
| EXPECT_EQ(1000, run_count); |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, VirtualTimeSettings_NewWebFrameScheduler) { |
| std::vector<int> run_order; |
| |
| web_view_scheduler_->setVirtualTimePolicy(VirtualTimePolicy::PAUSE); |
| web_view_scheduler_->enableVirtualTime(); |
| |
| std::unique_ptr<WebFrameSchedulerImpl> web_frame_scheduler = |
| web_view_scheduler_->createWebFrameSchedulerImpl(nullptr); |
| |
| web_frame_scheduler->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, new RunOrderTask(1, &run_order), 0.1); |
| |
| mock_task_runner_->RunUntilIdle(); |
| EXPECT_TRUE(run_order.empty()); |
| |
| web_view_scheduler_->setVirtualTimePolicy(VirtualTimePolicy::ADVANCE); |
| mock_task_runner_->RunUntilIdle(); |
| |
| EXPECT_THAT(run_order, ElementsAre(1)); |
| } |
| |
| namespace { |
| class DeleteWebFrameSchedulerTask : public blink::WebTaskRunner::Task { |
| public: |
| explicit DeleteWebFrameSchedulerTask(WebViewSchedulerImpl* web_view_scheduler) |
| : web_frame_scheduler_( |
| web_view_scheduler->createWebFrameSchedulerImpl(nullptr)) {} |
| |
| ~DeleteWebFrameSchedulerTask() override {} |
| |
| void run() override { web_frame_scheduler_.reset(); } |
| |
| WebFrameSchedulerImpl* web_frame_scheduler() const { |
| return web_frame_scheduler_.get(); |
| } |
| |
| private: |
| std::unique_ptr<WebFrameSchedulerImpl> web_frame_scheduler_; |
| }; |
| |
| class DeleteWebViewSchedulerTask : public blink::WebTaskRunner::Task { |
| public: |
| explicit DeleteWebViewSchedulerTask(WebViewSchedulerImpl* web_view_scheduler) |
| : web_view_scheduler_(web_view_scheduler) {} |
| |
| ~DeleteWebViewSchedulerTask() override {} |
| |
| void run() override { web_view_scheduler_.reset(); } |
| |
| private: |
| std::unique_ptr<WebViewSchedulerImpl> web_view_scheduler_; |
| }; |
| } // namespace |
| |
| TEST_F(WebViewSchedulerImplTest, DeleteWebFrameSchedulers_InTask) { |
| for (int i = 0; i < 10; i++) { |
| DeleteWebFrameSchedulerTask* task = |
| new DeleteWebFrameSchedulerTask(web_view_scheduler_.get()); |
| task->web_frame_scheduler()->timerTaskRunner()->postDelayedTask( |
| BLINK_FROM_HERE, task, 1.0); |
| } |
| mock_task_runner_->RunUntilIdle(); |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, DeleteWebViewScheduler_InTask) { |
| web_frame_scheduler_->timerTaskRunner()->postTask( |
| BLINK_FROM_HERE, |
| new DeleteWebViewSchedulerTask(web_view_scheduler_.release())); |
| mock_task_runner_->RunUntilIdle(); |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, DeleteThrottledQueue_InTask) { |
| web_view_scheduler_->setPageVisible(false); |
| |
| DeleteWebFrameSchedulerTask* delete_frame_task = |
| new DeleteWebFrameSchedulerTask(web_view_scheduler_.get()); |
| blink::WebTaskRunner* timer_task_runner = |
| delete_frame_task->web_frame_scheduler()->timerTaskRunner(); |
| |
| int run_count = 0; |
| timer_task_runner->postDelayedTask( |
| BLINK_FROM_HERE, new RepeatingTask(timer_task_runner, &run_count), 1.0); |
| |
| // Note this will run at time t = 10s since we start at time t = 5000us, and |
| // it will prevent further tasks from running (i.e. the RepeatingTask) by |
| // deleting the WebFrameScheduler. |
| timer_task_runner->postDelayedTask(BLINK_FROM_HERE, delete_frame_task, |
| 9990.0); |
| |
| mock_task_runner_->RunForPeriod(base::TimeDelta::FromSeconds(100)); |
| EXPECT_EQ(10, run_count); |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, VirtualTimePolicy_DETERMINISTIC_LOADING) { |
| web_view_scheduler_->setVirtualTimePolicy( |
| VirtualTimePolicy::DETERMINISTIC_LOADING); |
| EXPECT_TRUE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->DidStartLoading(1u); |
| EXPECT_FALSE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->DidStartLoading(2u); |
| EXPECT_FALSE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->DidStopLoading(2u); |
| EXPECT_FALSE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->DidStartLoading(3u); |
| EXPECT_FALSE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->DidStopLoading(1u); |
| EXPECT_FALSE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->DidStopLoading(3u); |
| EXPECT_TRUE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, RedundantDidStopLoadingCallsAreHarmless) { |
| web_view_scheduler_->setVirtualTimePolicy( |
| VirtualTimePolicy::DETERMINISTIC_LOADING); |
| |
| web_view_scheduler_->DidStartLoading(1u); |
| EXPECT_FALSE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->DidStopLoading(1u); |
| EXPECT_TRUE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->DidStopLoading(1u); |
| EXPECT_TRUE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->DidStopLoading(1u); |
| EXPECT_TRUE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->DidStartLoading(2u); |
| EXPECT_FALSE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->DidStopLoading(2u); |
| EXPECT_TRUE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| } |
| |
| TEST_F(WebViewSchedulerImplTest, BackgroundParser_DETERMINISTIC_LOADING) { |
| web_view_scheduler_->setVirtualTimePolicy( |
| VirtualTimePolicy::DETERMINISTIC_LOADING); |
| EXPECT_TRUE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->IncrementBackgroundParserCount(); |
| EXPECT_FALSE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->IncrementBackgroundParserCount(); |
| EXPECT_FALSE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->DecrementBackgroundParserCount(); |
| EXPECT_FALSE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| |
| web_view_scheduler_->DecrementBackgroundParserCount(); |
| EXPECT_TRUE(web_view_scheduler_->virtualTimeAllowedToAdvance()); |
| } |
| |
| } // namespace scheduler |