Refactor libplatform unit tests to use GTest/GMock.

test/cctest/test-libplatform-task-queue.cc

-// Copyright 2013 the V8 project authors. All rights reserved.
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-// modification, are permitted provided that the following conditions are
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-//       contributors may be used to endorse or promote products derived
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-
-#include "src/v8.h"
-
-#include "src/libplatform/task-queue.h"
-#include "test/cctest/cctest.h"
-#include "test/cctest/test-libplatform.h"
-
-using namespace v8::internal;
-using namespace v8::platform;
-
-
-TEST(TaskQueueBasic) {
-  TaskCounter task_counter;
-
-  TaskQueue queue;
-
-  TestTask* task = new TestTask(&task_counter);
-  queue.Append(task);
-  CHECK_EQ(1, task_counter.GetCount());
-  CHECK_EQ(task, queue.GetNext());
-  delete task;
-  CHECK_EQ(0, task_counter.GetCount());
-
-  queue.Terminate();
-  CHECK_EQ(NULL, queue.GetNext());
-}
-
-
-class ReadQueueTask : public TestTask {
- public:
-  ReadQueueTask(TaskCounter* task_counter, TaskQueue* queue)
-      : TestTask(task_counter, true), queue_(queue) {}
-  virtual ~ReadQueueTask() {}
-
-  virtual void Run() V8_OVERRIDE {
-    TestTask::Run();
-    CHECK_EQ(NULL, queue_->GetNext());
-  }
-
- private:
-  TaskQueue* queue_;
-
-  DISALLOW_COPY_AND_ASSIGN(ReadQueueTask);
-};
-
-
-TEST(TaskQueueTerminateMultipleReaders) {
-  TaskQueue queue;
-  TaskCounter task_counter;
-  ReadQueueTask* read1 = new ReadQueueTask(&task_counter, &queue);
-  ReadQueueTask* read2 = new ReadQueueTask(&task_counter, &queue);
-
-  TestWorkerThread thread1(read1);
-  TestWorkerThread thread2(read2);
-
-  thread1.Start();
-  thread2.Start();
-
-  CHECK_EQ(2, task_counter.GetCount());
-
-  thread1.Signal();
-  thread2.Signal();
-
-  queue.Terminate();
-
-  thread1.Join();
-  thread2.Join();
-
-  CHECK_EQ(0, task_counter.GetCount());
-}