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27
28#include "src/v8.h"
29
30#include "src/libplatform/task-queue.h"
31#include "test/cctest/cctest.h"
32#include "test/cctest/test-libplatform.h"
33
34using namespace v8::internal;
35
36
37TEST(TaskQueueBasic) {
38  TaskCounter task_counter;
39
40  TaskQueue queue;
41
42  TestTask* task = new TestTask(&task_counter);
43  queue.Append(task);
44  CHECK_EQ(1, task_counter.GetCount());
45  CHECK_EQ(task, queue.GetNext());
46  delete task;
47  CHECK_EQ(0, task_counter.GetCount());
48
49  queue.Terminate();
50  CHECK_EQ(NULL, queue.GetNext());
51}
52
53
54class ReadQueueTask : public TestTask {
55 public:
56  ReadQueueTask(TaskCounter* task_counter, TaskQueue* queue)
57      : TestTask(task_counter, true), queue_(queue) {}
58  virtual ~ReadQueueTask() {}
59
60  virtual void Run() V8_OVERRIDE {
61    TestTask::Run();
62    CHECK_EQ(NULL, queue_->GetNext());
63  }
64
65 private:
66  TaskQueue* queue_;
67
68  DISALLOW_COPY_AND_ASSIGN(ReadQueueTask);
69};
70
71
72TEST(TaskQueueTerminateMultipleReaders) {
73  TaskQueue queue;
74  TaskCounter task_counter;
75  ReadQueueTask* read1 = new ReadQueueTask(&task_counter, &queue);
76  ReadQueueTask* read2 = new ReadQueueTask(&task_counter, &queue);
77
78  TestWorkerThread thread1(read1);
79  TestWorkerThread thread2(read2);
80
81  thread1.Start();
82  thread2.Start();
83
84  CHECK_EQ(2, task_counter.GetCount());
85
86  thread1.Signal();
87  thread2.Signal();
88
89  queue.Terminate();
90
91  thread1.Join();
92  thread2.Join();
93
94  CHECK_EQ(0, task_counter.GetCount());
95}
96