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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #import "base/test/ios/wait_util.h" | |
| 6 | |
| 7 #import <Foundation/Foundation.h> | |
| 8 | |
| 9 #include "base/logging.h" | |
| 10 #include "base/mac/scoped_nsobject.h" | |
| 11 #include "base/message_loop/message_loop.h" | |
| 12 #include "base/test/test_timeouts.h" | |
| 13 #include "base/timer/elapsed_timer.h" | |
| 14 | |
| 15 namespace base { | |
| 16 namespace test { | |
| 17 namespace ios { | |
| 18 | |
| 19 TimeDelta TimeUntilCondition(ProceduralBlock action, | |
| 20 ConditionBlock condition, | |
| 21 MessageLoop* message_loop, | |
| 22 TimeDelta timeout) { | |
| 23 ElapsedTimer timer; | |
| 24 if (action) | |
| 25 action(); | |
| 26 if (timeout == TimeDelta()) | |
| 27 timeout = TestTimeouts::action_timeout(); | |
| 28 const TimeDelta spin_delay(TimeDelta::FromMilliseconds(10)); | |
| 29 while (timer.Elapsed() < timeout && (!condition || !condition())) { | |
| 30 SpinRunLoopWithMaxDelay(spin_delay); | |
| 31 if (message_loop) { | |
| 32 message_loop->RunUntilIdle(); | |
| 33 } | |
| 34 } | |
| 35 TimeDelta elapsed = timer.Elapsed(); | |
| 36 // If DCHECK is ever hit, check if |action| is doing something that is | |
| 37 // taking an unreasonably long time, or if |condition| does not come | |
| 38 // true quickly enough. Increase |timeout| only if necessary. | |
| 39 DCHECK(!condition || condition()); | |
| 40 return elapsed; | |
| 41 } | |
| 42 | |
| 43 void WaitUntilCondition(ConditionBlock condition, | |
| 44 MessageLoop* message_loop, | |
| 45 TimeDelta timeout) { | |
| 46 TimeUntilCondition(nil, condition, message_loop, timeout); | |
| 47 } | |
| 48 | |
| 49 void WaitUntilCondition(ConditionBlock condition) { | |
| 50 WaitUntilCondition(condition, nullptr, TimeDelta()); | |
| 51 } | |
| 52 | |
| 53 void SpinRunLoopWithMaxDelay(TimeDelta max_delay) { | |
| 54 scoped_nsobject<NSDate> beforeDate( | |
| 55 [[NSDate alloc] initWithTimeIntervalSinceNow:max_delay.InSecondsF()]); | |
| 56 [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode | |
| 57 beforeDate:beforeDate]; | |
| 58 } | |
| 59 | |
| 60 } // namespace ios | |
| 61 } // namespace test | |
| 62 } // namespace base | |
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