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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 "content/renderer/scheduler/webthread_impl_for_renderer_scheduler.h" | |
| 6 | |
| 7 #include "base/run_loop.h" | |
| 8 #include "content/child/scheduler/scheduler_message_loop_delegate.h" | |
| 9 #include "content/renderer/scheduler/renderer_scheduler_impl.h" | |
| 10 #include "testing/gmock/include/gmock/gmock.h" | |
| 11 #include "testing/gtest/include/gtest/gtest.h" | |
| 12 #include "third_party/WebKit/public/platform/WebTraceLocation.h" | |
| 13 | |
| 14 namespace content { | |
| 15 namespace { | |
| 16 | |
| 17 const int kWorkBatchSize = 2; | |
| 18 | |
| 19 class MockTask : public blink::WebThread::Task { | |
| 20 public: | |
| 21 MOCK_METHOD0(run, void()); | |
| 22 }; | |
| 23 | |
| 24 class MockTaskObserver : public blink::WebThread::TaskObserver { | |
| 25 public: | |
| 26 MOCK_METHOD0(willProcessTask, void()); | |
| 27 MOCK_METHOD0(didProcessTask, void()); | |
| 28 }; | |
| 29 } // namespace | |
| 30 | |
| 31 class WebThreadImplForRendererSchedulerTest : public testing::Test { | |
| 32 public: | |
| 33 WebThreadImplForRendererSchedulerTest() | |
| 34 : scheduler_(SchedulerMessageLoopDelegate::Create(&message_loop_)), | |
| 35 default_task_runner_(scheduler_.DefaultTaskRunner()), | |
| 36 thread_(&scheduler_) {} | |
| 37 | |
| 38 ~WebThreadImplForRendererSchedulerTest() override {} | |
| 39 | |
| 40 void SetWorkBatchSizeForTesting(size_t work_batch_size) { | |
| 41 scheduler_.SetWorkBatchSizeForTesting(work_batch_size); | |
| 42 } | |
| 43 | |
| 44 protected: | |
| 45 void EatDefaultTask(MockTaskObserver* observer) { | |
| 46 // The scheduler posts one extra DoWork() task automatically. | |
| 47 EXPECT_CALL(*observer, willProcessTask()); | |
| 48 EXPECT_CALL(*observer, didProcessTask()); | |
| 49 } | |
| 50 | |
| 51 base::MessageLoop message_loop_; | |
| 52 RendererSchedulerImpl scheduler_; | |
| 53 scoped_refptr<base::SingleThreadTaskRunner> default_task_runner_; | |
| 54 WebThreadImplForRendererScheduler thread_; | |
| 55 | |
| 56 DISALLOW_COPY_AND_ASSIGN(WebThreadImplForRendererSchedulerTest); | |
| 57 }; | |
| 58 | |
| 59 TEST_F(WebThreadImplForRendererSchedulerTest, TestTaskObserver) { | |
| 60 MockTaskObserver observer; | |
| 61 thread_.addTaskObserver(&observer); | |
| 62 scoped_ptr<MockTask> task(new MockTask()); | |
| 63 | |
| 64 { | |
| 65 testing::InSequence sequence; | |
| 66 EXPECT_CALL(observer, willProcessTask()); | |
| 67 EXPECT_CALL(*task, run()); | |
| 68 EXPECT_CALL(observer, didProcessTask()); | |
| 69 | |
| 70 EatDefaultTask(&observer); | |
| 71 } | |
| 72 | |
| 73 thread_.postTask(blink::WebTraceLocation(), task.release()); | |
| 74 message_loop_.RunUntilIdle(); | |
| 75 thread_.removeTaskObserver(&observer); | |
| 76 } | |
| 77 | |
| 78 TEST_F(WebThreadImplForRendererSchedulerTest, TestWorkBatchWithOneTask) { | |
| 79 MockTaskObserver observer; | |
| 80 thread_.addTaskObserver(&observer); | |
| 81 scoped_ptr<MockTask> task(new MockTask()); | |
| 82 | |
| 83 scheduler_.SetWorkBatchSizeForTesting(kWorkBatchSize); | |
| 84 { | |
| 85 testing::InSequence sequence; | |
| 86 EXPECT_CALL(observer, willProcessTask()); | |
| 87 EXPECT_CALL(*task, run()); | |
| 88 EXPECT_CALL(observer, didProcessTask()); | |
| 89 | |
| 90 EatDefaultTask(&observer); | |
| 91 } | |
| 92 | |
| 93 thread_.postTask(blink::WebTraceLocation(), task.release()); | |
| 94 message_loop_.RunUntilIdle(); | |
| 95 thread_.removeTaskObserver(&observer); | |
| 96 } | |
| 97 | |
| 98 TEST_F(WebThreadImplForRendererSchedulerTest, TestWorkBatchWithTwoTasks) { | |
| 99 MockTaskObserver observer; | |
| 100 thread_.addTaskObserver(&observer); | |
| 101 scoped_ptr<MockTask> task1(new MockTask()); | |
| 102 scoped_ptr<MockTask> task2(new MockTask()); | |
| 103 | |
| 104 scheduler_.SetWorkBatchSizeForTesting(kWorkBatchSize); | |
| 105 { | |
| 106 testing::InSequence sequence; | |
| 107 EXPECT_CALL(observer, willProcessTask()); | |
| 108 EXPECT_CALL(*task1, run()); | |
| 109 EXPECT_CALL(observer, didProcessTask()); | |
| 110 | |
| 111 EXPECT_CALL(observer, willProcessTask()); | |
| 112 EXPECT_CALL(*task2, run()); | |
| 113 EXPECT_CALL(observer, didProcessTask()); | |
| 114 | |
| 115 EatDefaultTask(&observer); | |
| 116 } | |
| 117 | |
| 118 thread_.postTask(blink::WebTraceLocation(), task1.release()); | |
| 119 thread_.postTask(blink::WebTraceLocation(), task2.release()); | |
| 120 message_loop_.RunUntilIdle(); | |
| 121 thread_.removeTaskObserver(&observer); | |
| 122 } | |
| 123 | |
| 124 TEST_F(WebThreadImplForRendererSchedulerTest, TestWorkBatchWithThreeTasks) { | |
| 125 MockTaskObserver observer; | |
| 126 thread_.addTaskObserver(&observer); | |
| 127 scoped_ptr<MockTask> task1(new MockTask()); | |
| 128 scoped_ptr<MockTask> task2(new MockTask()); | |
| 129 scoped_ptr<MockTask> task3(new MockTask()); | |
| 130 | |
| 131 scheduler_.SetWorkBatchSizeForTesting(kWorkBatchSize); | |
| 132 { | |
| 133 testing::InSequence sequence; | |
| 134 EXPECT_CALL(observer, willProcessTask()); | |
| 135 EXPECT_CALL(*task1, run()); | |
| 136 EXPECT_CALL(observer, didProcessTask()); | |
| 137 | |
| 138 EXPECT_CALL(observer, willProcessTask()); | |
| 139 EXPECT_CALL(*task2, run()); | |
| 140 EXPECT_CALL(observer, didProcessTask()); | |
| 141 | |
| 142 EXPECT_CALL(observer, willProcessTask()); | |
| 143 EXPECT_CALL(*task3, run()); | |
| 144 EXPECT_CALL(observer, didProcessTask()); | |
| 145 | |
| 146 EatDefaultTask(&observer); | |
| 147 } | |
| 148 | |
| 149 thread_.postTask(blink::WebTraceLocation(), task1.release()); | |
| 150 thread_.postTask(blink::WebTraceLocation(), task2.release()); | |
| 151 thread_.postTask(blink::WebTraceLocation(), task3.release()); | |
| 152 message_loop_.RunUntilIdle(); | |
| 153 thread_.removeTaskObserver(&observer); | |
| 154 } | |
| 155 | |
| 156 class ExitRunLoopTask : public blink::WebThread::Task { | |
| 157 public: | |
| 158 ExitRunLoopTask(base::RunLoop* run_loop) : run_loop_(run_loop) {} | |
| 159 | |
| 160 virtual void run() { run_loop_->Quit(); } | |
| 161 | |
| 162 private: | |
| 163 base::RunLoop* run_loop_; | |
| 164 }; | |
| 165 | |
| 166 void EnterRunLoop(base::MessageLoop* message_loop, blink::WebThread* thread) { | |
| 167 // Note: WebThreads do not support nested run loops, which is why we use a | |
| 168 // run loop directly. | |
| 169 base::RunLoop run_loop; | |
| 170 thread->postTask(blink::WebTraceLocation(), new ExitRunLoopTask(&run_loop)); | |
| 171 message_loop->SetNestableTasksAllowed(true); | |
| 172 run_loop.Run(); | |
| 173 } | |
| 174 | |
| 175 TEST_F(WebThreadImplForRendererSchedulerTest, TestNestedRunLoop) { | |
| 176 MockTaskObserver observer; | |
| 177 thread_.addTaskObserver(&observer); | |
| 178 | |
| 179 { | |
| 180 testing::InSequence sequence; | |
| 181 | |
| 182 // One callback for EnterRunLoop. | |
| 183 EXPECT_CALL(observer, willProcessTask()); | |
| 184 | |
| 185 // A pair for ExitRunLoopTask. | |
| 186 EXPECT_CALL(observer, willProcessTask()); | |
| 187 EXPECT_CALL(observer, didProcessTask()); | |
| 188 | |
| 189 // A final callback for EnterRunLoop. | |
| 190 EXPECT_CALL(observer, didProcessTask()); | |
| 191 | |
| 192 EatDefaultTask(&observer); | |
| 193 } | |
| 194 | |
| 195 message_loop_.PostTask( | |
| 196 FROM_HERE, base::Bind(&EnterRunLoop, base::Unretained(&message_loop_), | |
| 197 base::Unretained(&thread_))); | |
| 198 message_loop_.RunUntilIdle(); | |
| 199 thread_.removeTaskObserver(&observer); | |
| 200 } | |
| 201 | |
| 202 } // namespace content | |
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Chromium Code Reviews
Issue 1058873010:
Move blink scheduler implementation into a component (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master