Move base to DEPS

base/deferred_sequenced_task_runner_unittest.cc

-// Copyright (c) 2013 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/deferred_sequenced_task_runner.h"
-
-#include "base/basictypes.h"
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/location.h"
-#include "base/memory/ref_counted.h"
-#include "base/single_thread_task_runner.h"
-#include "base/threading/non_thread_safe.h"
-#include "base/threading/thread.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-class DeferredSequencedTaskRunnerTest : public testing::Test,
-                                        public base::NonThreadSafe {
- public:
-  class ExecuteTaskOnDestructor :
-      public base::RefCounted<ExecuteTaskOnDestructor> {
-   public:
-    ExecuteTaskOnDestructor(
-        DeferredSequencedTaskRunnerTest* executor,
-        int task_id)
-        : executor_(executor),
-          task_id_(task_id) {
-    }
-  private:
-    friend class base::RefCounted<ExecuteTaskOnDestructor>;
-    virtual ~ExecuteTaskOnDestructor() {
-      executor_->ExecuteTask(task_id_);
-    }
-    DeferredSequencedTaskRunnerTest* executor_;
-    int task_id_;
-  };
-
-  void ExecuteTask(int task_id) {
-    base::AutoLock lock(lock_);
-    executed_task_ids_.push_back(task_id);
-  }
-
-  void PostExecuteTask(int task_id) {
-    runner_->PostTask(FROM_HERE,
-                      base::Bind(&DeferredSequencedTaskRunnerTest::ExecuteTask,
-                                 base::Unretained(this),
-                                 task_id));
-  }
-
-  void StartRunner() {
-    runner_->Start();
-  }
-
-  void DoNothing(ExecuteTaskOnDestructor* object) {
-  }
-
- protected:
-  DeferredSequencedTaskRunnerTest()
-      : loop_(),
-        runner_(new base::DeferredSequencedTaskRunner(loop_.task_runner())) {}
-
-  base::MessageLoop loop_;
-  scoped_refptr<base::DeferredSequencedTaskRunner> runner_;
-  mutable base::Lock lock_;
-  std::vector<int> executed_task_ids_;
-};
-
-TEST_F(DeferredSequencedTaskRunnerTest, Stopped) {
-  PostExecuteTask(1);
-  loop_.RunUntilIdle();
-  EXPECT_THAT(executed_task_ids_, testing::ElementsAre());
-}
-
-TEST_F(DeferredSequencedTaskRunnerTest, Start) {
-  StartRunner();
-  PostExecuteTask(1);
-  loop_.RunUntilIdle();
-  EXPECT_THAT(executed_task_ids_, testing::ElementsAre(1));
-}
-
-TEST_F(DeferredSequencedTaskRunnerTest, StartWithMultipleElements) {
-  StartRunner();
-  for (int i = 1; i < 5; ++i)
-    PostExecuteTask(i);
-
-  loop_.RunUntilIdle();
-  EXPECT_THAT(executed_task_ids_, testing::ElementsAre(1, 2, 3, 4));
-}
-
-TEST_F(DeferredSequencedTaskRunnerTest, DeferredStart) {
-  PostExecuteTask(1);
-  loop_.RunUntilIdle();
-  EXPECT_THAT(executed_task_ids_, testing::ElementsAre());
-
-  StartRunner();
-  loop_.RunUntilIdle();
-  EXPECT_THAT(executed_task_ids_, testing::ElementsAre(1));
-
-  PostExecuteTask(2);
-  loop_.RunUntilIdle();
-  EXPECT_THAT(executed_task_ids_, testing::ElementsAre(1, 2));
-}
-
-TEST_F(DeferredSequencedTaskRunnerTest, DeferredStartWithMultipleElements) {
-  for (int i = 1; i < 5; ++i)
-    PostExecuteTask(i);
-  loop_.RunUntilIdle();
-  EXPECT_THAT(executed_task_ids_, testing::ElementsAre());
-
-  StartRunner();
-  for (int i = 5; i < 9; ++i)
-    PostExecuteTask(i);
-  loop_.RunUntilIdle();
-  EXPECT_THAT(executed_task_ids_, testing::ElementsAre(1, 2, 3, 4, 5, 6, 7, 8));
-}
-
-TEST_F(DeferredSequencedTaskRunnerTest, DeferredStartWithMultipleThreads) {
-  {
-    base::Thread thread1("DeferredSequencedTaskRunnerTestThread1");
-    base::Thread thread2("DeferredSequencedTaskRunnerTestThread2");
-    thread1.Start();
-    thread2.Start();
-    for (int i = 0; i < 5; ++i) {
-      thread1.task_runner()->PostTask(
-          FROM_HERE,
-          base::Bind(&DeferredSequencedTaskRunnerTest::PostExecuteTask,
-                     base::Unretained(this), 2 * i));
-      thread2.task_runner()->PostTask(
-          FROM_HERE,
-          base::Bind(&DeferredSequencedTaskRunnerTest::PostExecuteTask,
-                     base::Unretained(this), 2 * i + 1));
-      if (i == 2) {
-        thread1.task_runner()->PostTask(
-            FROM_HERE, base::Bind(&DeferredSequencedTaskRunnerTest::StartRunner,
-                                  base::Unretained(this)));
-      }
-    }
-  }
-
-  loop_.RunUntilIdle();
-  EXPECT_THAT(executed_task_ids_,
-      testing::WhenSorted(testing::ElementsAre(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)));
-}
-
-TEST_F(DeferredSequencedTaskRunnerTest, ObjectDestructionOrder) {
-  {
-    base::Thread thread("DeferredSequencedTaskRunnerTestThread");
-    thread.Start();
-    runner_ = new base::DeferredSequencedTaskRunner(thread.task_runner());
-    for (int i = 0; i < 5; ++i) {
-      {
-        // Use a block to ensure that no reference to |short_lived_object|
-        // is kept on the main thread after it is posted to |runner_|.
-        scoped_refptr<ExecuteTaskOnDestructor> short_lived_object =
-            new ExecuteTaskOnDestructor(this, 2 * i);
-        runner_->PostTask(
-            FROM_HERE,
-            base::Bind(&DeferredSequencedTaskRunnerTest::DoNothing,
-                       base::Unretained(this),
-                       short_lived_object));
-      }
-      // |short_lived_object| with id |2 * i| should be destroyed before the
-      // task |2 * i + 1| is executed.
-      PostExecuteTask(2 * i + 1);
-    }
-    StartRunner();
-  }
-
-  // All |short_lived_object| with id |2 * i| are destroyed before the task
-  // |2 * i + 1| is executed.
-  EXPECT_THAT(executed_task_ids_,
-              testing::ElementsAre(0, 1, 2, 3, 4, 5, 6, 7, 8, 9));
-}
-
-}  // namespace