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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_TEST_NULL_TASK_RUNNER_H_ | 5 #ifndef BASE_TEST_NULL_TASK_RUNNER_H_ |
6 #define BASE_TEST_NULL_TASK_RUNNER_H_ | 6 #define BASE_TEST_NULL_TASK_RUNNER_H_ |
7 | 7 |
8 #include "base/basictypes.h" | |
9 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
| 9 #include "base/macros.h" |
10 #include "base/single_thread_task_runner.h" | 10 #include "base/single_thread_task_runner.h" |
11 | 11 |
12 namespace base { | 12 namespace base { |
13 | 13 |
14 // Helper class for tests that need to provide an implementation of a | 14 // Helper class for tests that need to provide an implementation of a |
15 // *TaskRunner class but don't actually care about tasks being run. | 15 // *TaskRunner class but don't actually care about tasks being run. |
16 | 16 |
17 class NullTaskRunner : public base::SingleThreadTaskRunner { | 17 class NullTaskRunner : public base::SingleThreadTaskRunner { |
18 public: | 18 public: |
19 NullTaskRunner(); | 19 NullTaskRunner(); |
20 | 20 |
21 bool PostDelayedTask(const tracked_objects::Location& from_here, | 21 bool PostDelayedTask(const tracked_objects::Location& from_here, |
22 const base::Closure& task, | 22 const base::Closure& task, |
23 base::TimeDelta delay) override; | 23 base::TimeDelta delay) override; |
24 bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here, | 24 bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here, |
25 const base::Closure& task, | 25 const base::Closure& task, |
26 base::TimeDelta delay) override; | 26 base::TimeDelta delay) override; |
27 // Always returns true to avoid triggering DCHECKs. | 27 // Always returns true to avoid triggering DCHECKs. |
28 bool RunsTasksOnCurrentThread() const override; | 28 bool RunsTasksOnCurrentThread() const override; |
29 | 29 |
30 protected: | 30 protected: |
31 ~NullTaskRunner() override; | 31 ~NullTaskRunner() override; |
32 | 32 |
33 DISALLOW_COPY_AND_ASSIGN(NullTaskRunner); | 33 DISALLOW_COPY_AND_ASSIGN(NullTaskRunner); |
34 }; | 34 }; |
35 | 35 |
36 } // namespace base | 36 } // namespace base |
37 | 37 |
38 #endif // BASE_TEST_NULL_TASK_RUNNER_H_ | 38 #endif // BASE_TEST_NULL_TASK_RUNNER_H_ |
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