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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_ | |
6 #define BASE_TEST_NULL_TASK_RUNNER_H_ | |
7 | |
8 #include "base/basictypes.h" | 5 #include "base/basictypes.h" |
9 #include "base/compiler_specific.h" | 6 #include "base/compiler_specific.h" |
10 #include "base/single_thread_task_runner.h" | 7 #include "base/single_thread_task_runner.h" |
11 | 8 |
12 namespace base { | 9 namespace base { |
13 | 10 |
14 // Helper class for tests that need to provide an implementation of a | 11 // Helper class for tests that need to provide an implementation of a |
15 // *TaskRunner class but don't actually care about tasks being run. | 12 // *TaskRunner class but don't actually care about tasks being run. |
16 | 13 |
17 class NullTaskRunner : public base::SingleThreadTaskRunner { | 14 class NullTaskRunner : public base::SingleThreadTaskRunner { |
18 public: | 15 public: |
19 NullTaskRunner(); | 16 NullTaskRunner(); |
20 | 17 |
21 bool PostDelayedTask(const tracked_objects::Location& from_here, | 18 bool PostDelayedTask(const tracked_objects::Location& from_here, |
22 const base::Closure& task, | 19 const base::Closure& task, |
23 base::TimeDelta delay) override; | 20 base::TimeDelta delay) override; |
24 bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here, | 21 bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here, |
25 const base::Closure& task, | 22 const base::Closure& task, |
26 base::TimeDelta delay) override; | 23 base::TimeDelta delay) override; |
27 // Always returns true to avoid triggering DCHECKs. | 24 // Always returns true to avoid triggering DCHECKs. |
28 bool RunsTasksOnCurrentThread() const override; | 25 bool RunsTasksOnCurrentThread() const override; |
29 | 26 |
30 protected: | 27 protected: |
31 ~NullTaskRunner() override; | 28 ~NullTaskRunner() override; |
32 | 29 |
33 DISALLOW_COPY_AND_ASSIGN(NullTaskRunner); | 30 DISALLOW_COPY_AND_ASSIGN(NullTaskRunner); |
34 }; | 31 }; |
35 | 32 |
36 } // namespace base | 33 } // namespace base |
37 | |
38 #endif // BASE_TEST_NULL_TASK_RUNNER_H_ | |
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