Move unit tests to test/unittests.

src/libplatform/task-queue-unittest.cc

-// Copyright 2014 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "include/v8-platform.h"
-#include "src/base/platform/platform.h"
-#include "src/libplatform/task-queue.h"
-#include "testing/gmock/include/gmock/gmock.h"
-
-using testing::InSequence;
-using testing::IsNull;
-using testing::StrictMock;
-
-namespace v8 {
-namespace platform {
-
-namespace {
-
-struct MockTask : public Task {
-  MOCK_METHOD0(Run, void());
-};
-
-
-class TaskQueueThread FINAL : public base::Thread {
- public:
-  explicit TaskQueueThread(TaskQueue* queue)
-      : Thread(Options("libplatform TaskQueueThread")), queue_(queue) {}
-
-  virtual void Run() OVERRIDE { EXPECT_THAT(queue_->GetNext(), IsNull()); }
-
- private:
-  TaskQueue* queue_;
-};
-
-}  // namespace
-
-
-TEST(TaskQueueTest, Basic) {
-  TaskQueue queue;
-  MockTask task;
-  queue.Append(&task);
-  EXPECT_EQ(&task, queue.GetNext());
-  queue.Terminate();
-  EXPECT_THAT(queue.GetNext(), IsNull());
-}
-
-
-TEST(TaskQueueTest, TerminateMultipleReaders) {
-  TaskQueue queue;
-  TaskQueueThread thread1(&queue);
-  TaskQueueThread thread2(&queue);
-  thread1.Start();
-  thread2.Start();
-  queue.Terminate();
-  thread1.Join();
-  thread2.Join();
-}
-
-}  // namespace platform
-}  // namespace v8