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| 1 // Copyright 2016 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 "base/task_scheduler/scheduler_worker_thread_stack.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "base/memory/ptr_util.h" | |
| 9 #include "base/memory/ref_counted.h" | |
| 10 #include "base/task_scheduler/scheduler_worker_thread.h" | |
| 11 #include "base/task_scheduler/sequence.h" | |
| 12 #include "base/task_scheduler/task_tracker.h" | |
| 13 #include "base/task_scheduler/test_utils.h" | |
| 14 #include "base/threading/platform_thread.h" | |
| 15 #include "base/time/time.h" | |
| 16 #include "testing/gtest/include/gtest/gtest.h" | |
| 17 | |
| 18 namespace base { | |
| 19 namespace internal { | |
| 20 | |
| 21 namespace { | |
| 22 | |
| 23 class MockSchedulerWorkerThreadDelegate | |
| 24 : public SchedulerWorkerThread::Delegate { | |
| 25 public: | |
| 26 void OnMainEntry(SchedulerWorkerThread* worker_thread) override {} | |
| 27 scoped_refptr<Sequence> GetWork( | |
| 28 SchedulerWorkerThread* worker_thread) override { | |
| 29 return nullptr; | |
| 30 } | |
| 31 void ReEnqueueSequence(scoped_refptr<Sequence> sequence) override { | |
| 32 ADD_FAILURE() << "This delegate not expect to have sequences to reenqueue."; | |
| 33 } | |
| 34 TimeDelta GetSleepTimeout() override { | |
| 35 ADD_FAILURE() << | |
| 36 "The mock thread is not expected to be woken before it is shutdown"; | |
| 37 return TimeDelta::Max(); | |
| 38 } | |
| 39 }; | |
| 40 | |
| 41 class TaskSchedulerWorkerThreadStackTest : public testing::Test { | |
| 42 protected: | |
| 43 void SetUp() override { | |
| 44 thread_a_ = SchedulerWorkerThread::Create( | |
| 45 ThreadPriority::NORMAL, | |
| 46 WrapUnique(new MockSchedulerWorkerThreadDelegate), &task_tracker_); | |
| 47 ASSERT_TRUE(thread_a_); | |
| 48 thread_b_ = SchedulerWorkerThread::Create( | |
| 49 ThreadPriority::NORMAL, | |
| 50 WrapUnique(new MockSchedulerWorkerThreadDelegate), &task_tracker_); | |
| 51 ASSERT_TRUE(thread_b_); | |
| 52 thread_c_ = SchedulerWorkerThread::Create( | |
| 53 ThreadPriority::NORMAL, | |
| 54 WrapUnique(new MockSchedulerWorkerThreadDelegate), &task_tracker_); | |
| 55 ASSERT_TRUE(thread_c_); | |
| 56 } | |
| 57 | |
| 58 void TearDown() override { | |
| 59 thread_a_->JoinForTesting(); | |
| 60 thread_b_->JoinForTesting(); | |
| 61 thread_c_->JoinForTesting(); | |
| 62 } | |
| 63 | |
| 64 std::unique_ptr<SchedulerWorkerThread> thread_a_; | |
| 65 std::unique_ptr<SchedulerWorkerThread> thread_b_; | |
| 66 std::unique_ptr<SchedulerWorkerThread> thread_c_; | |
| 67 | |
| 68 private: | |
| 69 TaskTracker task_tracker_; | |
| 70 }; | |
| 71 | |
| 72 } // namespace | |
| 73 | |
| 74 // Verify that Push() and Pop() add/remove values in FIFO order. | |
| 75 TEST_F(TaskSchedulerWorkerThreadStackTest, PushPop) { | |
| 76 SchedulerWorkerThreadStack stack; | |
| 77 EXPECT_TRUE(stack.IsEmpty()); | |
| 78 EXPECT_EQ(0U, stack.Size()); | |
| 79 | |
| 80 stack.Push(thread_a_.get()); | |
| 81 EXPECT_FALSE(stack.IsEmpty()); | |
| 82 EXPECT_EQ(1U, stack.Size()); | |
| 83 | |
| 84 stack.Push(thread_b_.get()); | |
| 85 EXPECT_FALSE(stack.IsEmpty()); | |
| 86 EXPECT_EQ(2U, stack.Size()); | |
| 87 | |
| 88 stack.Push(thread_c_.get()); | |
| 89 EXPECT_FALSE(stack.IsEmpty()); | |
| 90 EXPECT_EQ(3U, stack.Size()); | |
| 91 | |
| 92 EXPECT_EQ(thread_c_.get(), stack.Pop()); | |
| 93 EXPECT_FALSE(stack.IsEmpty()); | |
| 94 EXPECT_EQ(2U, stack.Size()); | |
| 95 | |
| 96 stack.Push(thread_c_.get()); | |
| 97 EXPECT_FALSE(stack.IsEmpty()); | |
| 98 EXPECT_EQ(3U, stack.Size()); | |
| 99 | |
| 100 EXPECT_EQ(thread_c_.get(), stack.Pop()); | |
| 101 EXPECT_FALSE(stack.IsEmpty()); | |
| 102 EXPECT_EQ(2U, stack.Size()); | |
| 103 | |
| 104 EXPECT_EQ(thread_b_.get(), stack.Pop()); | |
| 105 EXPECT_FALSE(stack.IsEmpty()); | |
| 106 EXPECT_EQ(1U, stack.Size()); | |
| 107 | |
| 108 EXPECT_EQ(thread_a_.get(), stack.Pop()); | |
| 109 EXPECT_TRUE(stack.IsEmpty()); | |
| 110 EXPECT_EQ(0U, stack.Size()); | |
| 111 } | |
| 112 | |
| 113 // Verify that a value can be removed by Remove(). | |
| 114 TEST_F(TaskSchedulerWorkerThreadStackTest, Remove) { | |
| 115 SchedulerWorkerThreadStack stack; | |
| 116 EXPECT_TRUE(stack.IsEmpty()); | |
| 117 EXPECT_EQ(0U, stack.Size()); | |
| 118 | |
| 119 stack.Push(thread_a_.get()); | |
| 120 EXPECT_FALSE(stack.IsEmpty()); | |
| 121 EXPECT_EQ(1U, stack.Size()); | |
| 122 | |
| 123 stack.Push(thread_b_.get()); | |
| 124 EXPECT_FALSE(stack.IsEmpty()); | |
| 125 EXPECT_EQ(2U, stack.Size()); | |
| 126 | |
| 127 stack.Push(thread_c_.get()); | |
| 128 EXPECT_FALSE(stack.IsEmpty()); | |
| 129 EXPECT_EQ(3U, stack.Size()); | |
| 130 | |
| 131 stack.Remove(thread_b_.get()); | |
| 132 EXPECT_FALSE(stack.IsEmpty()); | |
| 133 EXPECT_EQ(2U, stack.Size()); | |
| 134 | |
| 135 EXPECT_EQ(thread_c_.get(), stack.Pop()); | |
| 136 EXPECT_FALSE(stack.IsEmpty()); | |
| 137 EXPECT_EQ(1U, stack.Size()); | |
| 138 | |
| 139 EXPECT_EQ(thread_a_.get(), stack.Pop()); | |
| 140 EXPECT_TRUE(stack.IsEmpty()); | |
| 141 EXPECT_EQ(0U, stack.Size()); | |
| 142 } | |
| 143 | |
| 144 // Verify that a value can be pushed again after it has been removed. | |
| 145 TEST_F(TaskSchedulerWorkerThreadStackTest, PushAfterRemove) { | |
| 146 SchedulerWorkerThreadStack stack; | |
| 147 EXPECT_EQ(0U, stack.Size()); | |
| 148 EXPECT_TRUE(stack.IsEmpty()); | |
| 149 | |
| 150 stack.Push(thread_a_.get()); | |
| 151 EXPECT_EQ(1U, stack.Size()); | |
| 152 EXPECT_FALSE(stack.IsEmpty()); | |
| 153 | |
| 154 stack.Remove(thread_a_.get()); | |
| 155 EXPECT_EQ(0U, stack.Size()); | |
| 156 EXPECT_TRUE(stack.IsEmpty()); | |
| 157 | |
| 158 stack.Push(thread_a_.get()); | |
| 159 EXPECT_EQ(1U, stack.Size()); | |
| 160 EXPECT_FALSE(stack.IsEmpty()); | |
| 161 } | |
| 162 | |
| 163 // Verify that Push() DCHECKs when a value is inserted twice. | |
| 164 TEST_F(TaskSchedulerWorkerThreadStackTest, PushTwice) { | |
| 165 SchedulerWorkerThreadStack stack; | |
| 166 stack.Push(thread_a_.get()); | |
| 167 EXPECT_DCHECK_DEATH({ stack.Push(thread_a_.get()); }, ""); | |
| 168 } | |
| 169 | |
| 170 } // namespace internal | |
| 171 } // namespace base | |
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Chromium Code Reviews
Issue 2077093002:
Rename SchedulerWorkerThread* to SchedulerWorker* (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@rename2