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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/webthread_impl_for_renderer_scheduler.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 | |
| 9 #include "base/location.h" | |
| 10 #include "base/macros.h" | |
| 11 #include "base/memory/ptr_util.h" | |
| 12 #include "base/run_loop.h" | |
| 13 #include "base/single_thread_task_runner.h" | |
| 14 #include "base/test/simple_test_tick_clock.h" | |
| 15 #include "components/scheduler/base/test_time_source.h" | |
| 16 #include "components/scheduler/child/scheduler_tqm_delegate_impl.h" | |
| 17 #include "components/scheduler/renderer/renderer_scheduler_impl.h" | |
| 18 #include "testing/gmock/include/gmock/gmock.h" | |
| 19 #include "testing/gtest/include/gtest/gtest.h" | |
| 20 #include "third_party/WebKit/public/platform/WebTaskRunner.h" | |
| 21 #include "third_party/WebKit/public/platform/WebTraceLocation.h" | |
| 22 | |
| 23 namespace scheduler { | |
| 24 namespace { | |
| 25 | |
| 26 const int kWorkBatchSize = 2; | |
| 27 | |
| 28 class MockTask : public blink::WebTaskRunner::Task { | |
| 29 public: | |
| 30 MOCK_METHOD0(run, void()); | |
| 31 }; | |
| 32 | |
| 33 class MockTaskObserver : public blink::WebThread::TaskObserver { | |
| 34 public: | |
| 35 MOCK_METHOD0(willProcessTask, void()); | |
| 36 MOCK_METHOD0(didProcessTask, void()); | |
| 37 }; | |
| 38 } // namespace | |
| 39 | |
| 40 class WebThreadImplForRendererSchedulerTest : public testing::Test { | |
| 41 public: | |
| 42 WebThreadImplForRendererSchedulerTest() {} | |
| 43 | |
| 44 void SetUp() override { | |
| 45 clock_.reset(new base::SimpleTestTickClock()); | |
| 46 clock_->Advance(base::TimeDelta::FromMicroseconds(5000)); | |
| 47 scheduler_.reset(new RendererSchedulerImpl(SchedulerTqmDelegateImpl::Create( | |
| 48 &message_loop_, base::WrapUnique(new TestTimeSource(clock_.get()))))); | |
| 49 default_task_runner_ = scheduler_->DefaultTaskRunner(); | |
| 50 thread_ = scheduler_->CreateMainThread(); | |
| 51 } | |
| 52 | |
| 53 ~WebThreadImplForRendererSchedulerTest() override {} | |
| 54 | |
| 55 void SetWorkBatchSizeForTesting(size_t work_batch_size) { | |
| 56 scheduler_->GetSchedulerHelperForTesting()->SetWorkBatchSizeForTesting( | |
| 57 work_batch_size); | |
| 58 } | |
| 59 | |
| 60 void TearDown() override { scheduler_->Shutdown(); } | |
| 61 | |
| 62 protected: | |
| 63 base::MessageLoop message_loop_; | |
| 64 std::unique_ptr<base::SimpleTestTickClock> clock_; | |
| 65 std::unique_ptr<RendererSchedulerImpl> scheduler_; | |
| 66 scoped_refptr<base::SingleThreadTaskRunner> default_task_runner_; | |
| 67 std::unique_ptr<blink::WebThread> thread_; | |
| 68 | |
| 69 DISALLOW_COPY_AND_ASSIGN(WebThreadImplForRendererSchedulerTest); | |
| 70 }; | |
| 71 | |
| 72 TEST_F(WebThreadImplForRendererSchedulerTest, TestTaskObserver) { | |
| 73 MockTaskObserver observer; | |
| 74 thread_->addTaskObserver(&observer); | |
| 75 std::unique_ptr<MockTask> task(new MockTask()); | |
| 76 | |
| 77 { | |
| 78 testing::InSequence sequence; | |
| 79 EXPECT_CALL(observer, willProcessTask()); | |
| 80 EXPECT_CALL(*task, run()); | |
| 81 EXPECT_CALL(observer, didProcessTask()); | |
| 82 } | |
| 83 | |
| 84 thread_->getWebTaskRunner()->postTask(blink::WebTraceLocation(), | |
| 85 task.release()); | |
| 86 base::RunLoop().RunUntilIdle(); | |
| 87 thread_->removeTaskObserver(&observer); | |
| 88 } | |
| 89 | |
| 90 TEST_F(WebThreadImplForRendererSchedulerTest, TestWorkBatchWithOneTask) { | |
| 91 MockTaskObserver observer; | |
| 92 thread_->addTaskObserver(&observer); | |
| 93 std::unique_ptr<MockTask> task(new MockTask()); | |
| 94 | |
| 95 SetWorkBatchSizeForTesting(kWorkBatchSize); | |
| 96 { | |
| 97 testing::InSequence sequence; | |
| 98 EXPECT_CALL(observer, willProcessTask()); | |
| 99 EXPECT_CALL(*task, run()); | |
| 100 EXPECT_CALL(observer, didProcessTask()); | |
| 101 } | |
| 102 | |
| 103 thread_->getWebTaskRunner()->postTask(blink::WebTraceLocation(), | |
| 104 task.release()); | |
| 105 base::RunLoop().RunUntilIdle(); | |
| 106 thread_->removeTaskObserver(&observer); | |
| 107 } | |
| 108 | |
| 109 TEST_F(WebThreadImplForRendererSchedulerTest, TestWorkBatchWithTwoTasks) { | |
| 110 MockTaskObserver observer; | |
| 111 thread_->addTaskObserver(&observer); | |
| 112 std::unique_ptr<MockTask> task1(new MockTask()); | |
| 113 std::unique_ptr<MockTask> task2(new MockTask()); | |
| 114 | |
| 115 SetWorkBatchSizeForTesting(kWorkBatchSize); | |
| 116 { | |
| 117 testing::InSequence sequence; | |
| 118 EXPECT_CALL(observer, willProcessTask()); | |
| 119 EXPECT_CALL(*task1, run()); | |
| 120 EXPECT_CALL(observer, didProcessTask()); | |
| 121 | |
| 122 EXPECT_CALL(observer, willProcessTask()); | |
| 123 EXPECT_CALL(*task2, run()); | |
| 124 EXPECT_CALL(observer, didProcessTask()); | |
| 125 } | |
| 126 | |
| 127 thread_->getWebTaskRunner()->postTask(blink::WebTraceLocation(), | |
| 128 task1.release()); | |
| 129 thread_->getWebTaskRunner()->postTask(blink::WebTraceLocation(), | |
| 130 task2.release()); | |
| 131 base::RunLoop().RunUntilIdle(); | |
| 132 thread_->removeTaskObserver(&observer); | |
| 133 } | |
| 134 | |
| 135 TEST_F(WebThreadImplForRendererSchedulerTest, TestWorkBatchWithThreeTasks) { | |
| 136 MockTaskObserver observer; | |
| 137 thread_->addTaskObserver(&observer); | |
| 138 std::unique_ptr<MockTask> task1(new MockTask()); | |
| 139 std::unique_ptr<MockTask> task2(new MockTask()); | |
| 140 std::unique_ptr<MockTask> task3(new MockTask()); | |
| 141 | |
| 142 SetWorkBatchSizeForTesting(kWorkBatchSize); | |
| 143 { | |
| 144 testing::InSequence sequence; | |
| 145 EXPECT_CALL(observer, willProcessTask()); | |
| 146 EXPECT_CALL(*task1, run()); | |
| 147 EXPECT_CALL(observer, didProcessTask()); | |
| 148 | |
| 149 EXPECT_CALL(observer, willProcessTask()); | |
| 150 EXPECT_CALL(*task2, run()); | |
| 151 EXPECT_CALL(observer, didProcessTask()); | |
| 152 | |
| 153 EXPECT_CALL(observer, willProcessTask()); | |
| 154 EXPECT_CALL(*task3, run()); | |
| 155 EXPECT_CALL(observer, didProcessTask()); | |
| 156 } | |
| 157 | |
| 158 thread_->getWebTaskRunner()->postTask(blink::WebTraceLocation(), | |
| 159 task1.release()); | |
| 160 thread_->getWebTaskRunner()->postTask(blink::WebTraceLocation(), | |
| 161 task2.release()); | |
| 162 thread_->getWebTaskRunner()->postTask(blink::WebTraceLocation(), | |
| 163 task3.release()); | |
| 164 base::RunLoop().RunUntilIdle(); | |
| 165 thread_->removeTaskObserver(&observer); | |
| 166 } | |
| 167 | |
| 168 class ExitRunLoopTask : public blink::WebTaskRunner::Task { | |
| 169 public: | |
| 170 ExitRunLoopTask(base::RunLoop* run_loop) : run_loop_(run_loop) {} | |
| 171 | |
| 172 void run() override { run_loop_->Quit(); } | |
| 173 | |
| 174 private: | |
| 175 base::RunLoop* run_loop_; | |
| 176 }; | |
| 177 | |
| 178 void EnterRunLoop(base::MessageLoop* message_loop, blink::WebThread* thread) { | |
| 179 // Note: WebThreads do not support nested run loops, which is why we use a | |
| 180 // run loop directly. | |
| 181 base::RunLoop run_loop; | |
| 182 thread->getWebTaskRunner()->postTask(blink::WebTraceLocation(), | |
| 183 new ExitRunLoopTask(&run_loop)); | |
| 184 message_loop->SetNestableTasksAllowed(true); | |
| 185 run_loop.Run(); | |
| 186 } | |
| 187 | |
| 188 TEST_F(WebThreadImplForRendererSchedulerTest, TestNestedRunLoop) { | |
| 189 MockTaskObserver observer; | |
| 190 thread_->addTaskObserver(&observer); | |
| 191 | |
| 192 { | |
| 193 testing::InSequence sequence; | |
| 194 | |
| 195 // One callback for EnterRunLoop. | |
| 196 EXPECT_CALL(observer, willProcessTask()); | |
| 197 | |
| 198 // A pair for ExitRunLoopTask. | |
| 199 EXPECT_CALL(observer, willProcessTask()); | |
| 200 EXPECT_CALL(observer, didProcessTask()); | |
| 201 | |
| 202 // A final callback for EnterRunLoop. | |
| 203 EXPECT_CALL(observer, didProcessTask()); | |
| 204 } | |
| 205 | |
| 206 message_loop_.task_runner()->PostTask( | |
| 207 FROM_HERE, base::Bind(&EnterRunLoop, base::Unretained(&message_loop_), | |
| 208 base::Unretained(thread_.get()))); | |
| 209 base::RunLoop().RunUntilIdle(); | |
| 210 thread_->removeTaskObserver(&observer); | |
| 211 } | |
| 212 | |
| 213 } // 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