1// Copyright 2013 the V8 project authors. All rights reserved.
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27
28#ifndef TEST_LIBPLATFORM_H_
29#define TEST_LIBPLATFORM_H_
30
31#include "src/v8.h"
32
33#include "test/cctest/cctest.h"
34
35using namespace v8::internal;
36
37class TaskCounter {
38 public:
39  TaskCounter() : counter_(0) {}
40  ~TaskCounter() { CHECK_EQ(0, counter_); }
41
42  int GetCount() const {
43    LockGuard<Mutex> guard(&lock_);
44    return counter_;
45  }
46
47  void Inc() {
48    LockGuard<Mutex> guard(&lock_);
49    ++counter_;
50  }
51
52  void Dec() {
53    LockGuard<Mutex> guard(&lock_);
54    --counter_;
55  }
56
57 private:
58  mutable Mutex lock_;
59  int counter_;
60
61  DISALLOW_COPY_AND_ASSIGN(TaskCounter);
62};
63
64
65class TestTask : public v8::Task {
66 public:
67  TestTask(TaskCounter* task_counter, bool expected_to_run)
68      : task_counter_(task_counter),
69        expected_to_run_(expected_to_run),
70        executed_(false) {
71    task_counter_->Inc();
72  }
73
74  explicit TestTask(TaskCounter* task_counter)
75      : task_counter_(task_counter), expected_to_run_(false), executed_(false) {
76    task_counter_->Inc();
77  }
78
79  virtual ~TestTask() {
80    CHECK_EQ(expected_to_run_, executed_);
81    task_counter_->Dec();
82  }
83
84  // v8::Task implementation.
85  virtual void Run() V8_OVERRIDE { executed_ = true; }
86
87 private:
88  TaskCounter* task_counter_;
89  bool expected_to_run_;
90  bool executed_;
91
92  DISALLOW_COPY_AND_ASSIGN(TestTask);
93};
94
95
96class TestWorkerThread : public Thread {
97 public:
98  explicit TestWorkerThread(v8::Task* task)
99      : Thread("libplatform TestWorkerThread"), semaphore_(0), task_(task) {}
100  virtual ~TestWorkerThread() {}
101
102  void Signal() { semaphore_.Signal(); }
103
104  // Thread implementation.
105  virtual void Run() V8_OVERRIDE {
106    semaphore_.Wait();
107    if (task_) {
108      task_->Run();
109      delete task_;
110    }
111  }
112
113 private:
114  Semaphore semaphore_;
115  v8::Task* task_;
116
117  DISALLOW_COPY_AND_ASSIGN(TestWorkerThread);
118};
119
120#endif  // TEST_LIBPLATFORM_H_
121