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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 #include "base/message_loop/message_loop_proxy.h" | 5 #include "base/message_loop/message_loop_proxy.h" |
6 | 6 |
7 #include "base/atomic_sequence_num.h" | 7 #include "base/atomic_sequence_num.h" |
8 #include "base/bind.h" | 8 #include "base/bind.h" |
9 #include "base/debug/leak_annotations.h" | 9 #include "base/debug/leak_annotations.h" |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
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24 : current_loop_(new MessageLoop()), | 24 : current_loop_(new MessageLoop()), |
25 task_thread_("task_thread"), | 25 task_thread_("task_thread"), |
26 thread_sync_(true, false) { | 26 thread_sync_(true, false) { |
27 } | 27 } |
28 | 28 |
29 void DeleteCurrentMessageLoop() { | 29 void DeleteCurrentMessageLoop() { |
30 current_loop_.reset(); | 30 current_loop_.reset(); |
31 } | 31 } |
32 | 32 |
33 protected: | 33 protected: |
34 virtual void SetUp() override { | 34 void SetUp() override { |
35 // Use SetUp() instead of the constructor to avoid posting a task to a | 35 // Use SetUp() instead of the constructor to avoid posting a task to a |
36 // partialy constructed object. | 36 // partialy constructed object. |
37 task_thread_.Start(); | 37 task_thread_.Start(); |
38 | 38 |
39 // Allow us to pause the |task_thread_|'s MessageLoop. | 39 // Allow us to pause the |task_thread_|'s MessageLoop. |
40 task_thread_.message_loop()->PostTask( | 40 task_thread_.message_loop()->PostTask( |
41 FROM_HERE, | 41 FROM_HERE, |
42 Bind(&MessageLoopProxyTest::BlockTaskThreadHelper, Unretained(this))); | 42 Bind(&MessageLoopProxyTest::BlockTaskThreadHelper, Unretained(this))); |
43 } | 43 } |
44 | 44 |
45 virtual void TearDown() override { | 45 void TearDown() override { |
46 // Make sure the |task_thread_| is not blocked, and stop the thread | 46 // Make sure the |task_thread_| is not blocked, and stop the thread |
47 // fully before destuction because its tasks may still depend on the | 47 // fully before destuction because its tasks may still depend on the |
48 // |thread_sync_| event. | 48 // |thread_sync_| event. |
49 thread_sync_.Signal(); | 49 thread_sync_.Signal(); |
50 task_thread_.Stop(); | 50 task_thread_.Stop(); |
51 DeleteCurrentMessageLoop(); | 51 DeleteCurrentMessageLoop(); |
52 } | 52 } |
53 | 53 |
54 // Make LoopRecorder threadsafe so that there is defined behavior even if a | 54 // Make LoopRecorder threadsafe so that there is defined behavior even if a |
55 // threading mistake sneaks into the PostTaskAndReplyRelay implementation. | 55 // threading mistake sneaks into the PostTaskAndReplyRelay implementation. |
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257 // it, we cannot just delete it because PostTaskAndReplyRelay's destructor | 257 // it, we cannot just delete it because PostTaskAndReplyRelay's destructor |
258 // checks that MessageLoop::current() is the the same as when the | 258 // checks that MessageLoop::current() is the the same as when the |
259 // PostTaskAndReplyRelay object was constructed. However, this loop must have | 259 // PostTaskAndReplyRelay object was constructed. However, this loop must have |
260 // aleady been deleted in order to perform this test. See | 260 // aleady been deleted in order to perform this test. See |
261 // http://crbug.com/86301. | 261 // http://crbug.com/86301. |
262 } | 262 } |
263 | 263 |
264 } // namespace | 264 } // namespace |
265 | 265 |
266 } // namespace base | 266 } // namespace base |
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