base::Bind() conversion for chrome/browser/search_engines

base/task_queue_unittest.cc

-// Copyright (c) 2011 The Chromium 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 "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/task.h"
-#include "base/task_queue.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-// Sets bools according to whether Run or the destructor were called.
-class TrackCallsTask : public Task {
- public:
-  TrackCallsTask(bool* ran, bool* deleted)
-      : ran_(ran),
-        deleted_(deleted) {
-    *ran_ = false;
-    *deleted_ = false;
-  }
-
-  virtual ~TrackCallsTask() {
-    *deleted_ = true;
-  }
-
-  virtual void Run() {
-    *ran_ = true;
-  }
-
- private:
-  bool* ran_;
-  bool* deleted_;
-
-  DISALLOW_COPY_AND_ASSIGN(TrackCallsTask);
-};
-
-// Adds a given task to the queue when run.
-class TaskQueuerTask : public Task {
- public:
-  TaskQueuerTask(TaskQueue* queue, Task* task_to_queue)
-      : queue_(queue),
-        task_to_queue_(task_to_queue) {
-  }
-
-  virtual void Run() {
-    queue_->Push(task_to_queue_);
-  }
-
- private:
-  TaskQueue* queue_;
-  Task* task_to_queue_;
-
-  DISALLOW_COPY_AND_ASSIGN(TaskQueuerTask);
-};
-
-}  // namespace
-
-TEST(TaskQueueTest, RunNoTasks) {
-  TaskQueue queue;
-  EXPECT_TRUE(queue.IsEmpty());
-
-  queue.Run();
-  EXPECT_TRUE(queue.IsEmpty());
-}
-
-TEST(TaskQueueTest, RunTasks) {
-  TaskQueue queue;
-
-  bool ran_task1 = false;
-  bool deleted_task1 = false;
-  queue.Push(new TrackCallsTask(&ran_task1, &deleted_task1));
-
-  bool ran_task2 = false;
-  bool deleted_task2 = false;
-  queue.Push(new TrackCallsTask(&ran_task2, &deleted_task2));
-
-  queue.Run();
-
-  EXPECT_TRUE(ran_task1);
-  EXPECT_TRUE(deleted_task1);
-  EXPECT_TRUE(ran_task2);
-  EXPECT_TRUE(deleted_task2);
-  EXPECT_TRUE(queue.IsEmpty());
-}
-
-TEST(TaskQueueTest, ClearTasks) {
-  TaskQueue queue;
-
-  bool ran_task1 = false;
-  bool deleted_task1 = false;
-  queue.Push(new TrackCallsTask(&ran_task1, &deleted_task1));
-
-  bool ran_task2 = false;
-  bool deleted_task2 = false;
-  queue.Push(new TrackCallsTask(&ran_task2, &deleted_task2));
-
-  queue.Clear();
-
-  EXPECT_TRUE(queue.IsEmpty());
-
-  queue.Run();
-
-  EXPECT_FALSE(ran_task1);
-  EXPECT_TRUE(deleted_task1);
-  EXPECT_FALSE(ran_task2);
-  EXPECT_TRUE(deleted_task2);
-  EXPECT_TRUE(queue.IsEmpty());
-}
-
-TEST(TaskQueueTest, OneTaskQueuesMore) {
-  TaskQueue main_queue;
-
-  // Build a task which will queue two more when run.
-  scoped_ptr<TaskQueue> nested_queue(new TaskQueue());
-  bool ran_task1 = false;
-  bool deleted_task1 = false;
-  nested_queue->Push(
-      new TaskQueuerTask(&main_queue,
-                         new TrackCallsTask(&ran_task1, &deleted_task1)));
-  bool ran_task2 = false;
-  bool deleted_task2 = false;
-  nested_queue->Push(
-      new TaskQueuerTask(&main_queue,
-                         new TrackCallsTask(&ran_task2, &deleted_task2)));
-
-  main_queue.Push(nested_queue.release());
-
-  // Run the task which pushes two more tasks.
-  main_queue.Run();
-
-  // None of the pushed tasks shoudl have run yet.
-  EXPECT_FALSE(ran_task1);
-  EXPECT_FALSE(deleted_task1);
-  EXPECT_FALSE(ran_task2);
-  EXPECT_FALSE(deleted_task2);
-  EXPECT_FALSE(main_queue.IsEmpty());
-
-  // Now run the nested tasks.
-  main_queue.Run();
-
-  EXPECT_TRUE(ran_task1);
-  EXPECT_TRUE(deleted_task1);
-  EXPECT_TRUE(ran_task2);
-  EXPECT_TRUE(deleted_task2);
-  EXPECT_TRUE(main_queue.IsEmpty());
-}