| // Copyright 2014 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. |
| |
| #ifndef MEDIA_BASE_FAKE_SINGLE_THREAD_TASK_RUNNER_H_ |
| #define MEDIA_BASE_FAKE_SINGLE_THREAD_TASK_RUNNER_H_ |
| |
| #include <map> |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/test/simple_test_tick_clock.h" |
| |
| namespace media { |
| |
| class FakeSingleThreadTaskRunner : public base::SingleThreadTaskRunner { |
| public: |
| explicit FakeSingleThreadTaskRunner(base::SimpleTestTickClock* clock); |
| |
| void RunTasks(); |
| |
| // Note: Advances |clock_|. |
| void Sleep(base::TimeDelta t); |
| |
| // base::SingleThreadTaskRunner implementation. |
| bool PostDelayedTask(const base::Location& from_here, |
| base::OnceClosure task, |
| base::TimeDelta delay) final; |
| |
| bool RunsTasksInCurrentSequence() const final; |
| |
| // This function is currently not used, and will return false. |
| bool PostNonNestableDelayedTask(const base::Location& from_here, |
| base::OnceClosure task, |
| base::TimeDelta delay) final; |
| |
| protected: |
| ~FakeSingleThreadTaskRunner() final; |
| |
| private: |
| base::SimpleTestTickClock* const clock_; |
| |
| // A compound key is used to ensure FIFO execution of delayed tasks scheduled |
| // for the same point-in-time. The second part of the key is simply a FIFO |
| // sequence number. |
| using TaskKey = std::pair<base::TimeTicks, unsigned int>; |
| |
| // Note: The std::map data structure was chosen because the entire |
| // cast_unittests suite performed 20% faster than when using |
| // std::priority_queue. http://crbug.com/530842 |
| std::map<TaskKey, base::OnceClosure> tasks_; |
| |
| bool fail_on_next_task_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FakeSingleThreadTaskRunner); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_BASE_FAKE_SINGLE_THREAD_TASK_RUNNER_H_ |