Refactor libplatform unit tests to use GTest/GMock.

test/cctest/test-libplatform.h

-// Copyright 2013 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-//       copyright notice, this list of conditions and the following
-//       disclaimer in the documentation and/or other materials provided
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef TEST_LIBPLATFORM_H_
-#define TEST_LIBPLATFORM_H_
-
-#include "src/v8.h"
-
-#include "test/cctest/cctest.h"
-
-using namespace v8::internal;
-using namespace v8::platform;
-
-class TaskCounter {
- public:
-  TaskCounter() : counter_(0) {}
-  ~TaskCounter() { CHECK_EQ(0, counter_); }
-
-  int GetCount() const {
-    v8::base::LockGuard<v8::base::Mutex> guard(&lock_);
-    return counter_;
-  }
-
-  void Inc() {
-    v8::base::LockGuard<v8::base::Mutex> guard(&lock_);
-    ++counter_;
-  }
-
-  void Dec() {
-    v8::base::LockGuard<v8::base::Mutex> guard(&lock_);
-    --counter_;
-  }
-
- private:
-  mutable v8::base::Mutex lock_;
-  int counter_;
-
-  DISALLOW_COPY_AND_ASSIGN(TaskCounter);
-};
-
-
-class TestTask : public v8::Task {
- public:
-  TestTask(TaskCounter* task_counter, bool expected_to_run)
-      : task_counter_(task_counter),
-        expected_to_run_(expected_to_run),
-        executed_(false) {
-    task_counter_->Inc();
-  }
-
-  explicit TestTask(TaskCounter* task_counter)
-      : task_counter_(task_counter), expected_to_run_(false), executed_(false) {
-    task_counter_->Inc();
-  }
-
-  virtual ~TestTask() {
-    CHECK_EQ(expected_to_run_, executed_);
-    task_counter_->Dec();
-  }
-
-  // v8::Task implementation.
-  virtual void Run() V8_OVERRIDE { executed_ = true; }
-
- private:
-  TaskCounter* task_counter_;
-  bool expected_to_run_;
-  bool executed_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestTask);
-};
-
-
-class TestWorkerThread : public v8::base::Thread {
- public:
-  explicit TestWorkerThread(v8::Task* task)
-      : Thread(Options("libplatform TestWorkerThread")),
-        semaphore_(0),
-        task_(task) {}
-  virtual ~TestWorkerThread() {}
-
-  void Signal() { semaphore_.Signal(); }
-
-  // Thread implementation.
-  virtual void Run() V8_OVERRIDE {
-    semaphore_.Wait();
-    if (task_) {
-      task_->Run();
-      delete task_;
-    }
-  }
-
- private:
-  v8::base::Semaphore semaphore_;
-  v8::Task* task_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestWorkerThread);
-};
-
-#endif  // TEST_LIBPLATFORM_H_