naiveproxy/base/test/ios/wait_util.mm
2018-12-09 21:59:24 -05:00

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// 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.
#import "base/test/ios/wait_util.h"
#import <Foundation/Foundation.h>
#include "base/logging.h"
#include "base/mac/scoped_nsobject.h"
#include "base/run_loop.h"
#include "base/test/test_timeouts.h"
#include "base/timer/elapsed_timer.h"
namespace base {
namespace test {
namespace ios {
const NSTimeInterval kSpinDelaySeconds = 0.01;
const NSTimeInterval kWaitForJSCompletionTimeout = 4.0;
const NSTimeInterval kWaitForUIElementTimeout = 4.0;
const NSTimeInterval kWaitForDownloadTimeout = 10.0;
const NSTimeInterval kWaitForPageLoadTimeout = 10.0;
const NSTimeInterval kWaitForActionTimeout = 10.0;
const NSTimeInterval kWaitForCookiesTimeout = 4.0;
const NSTimeInterval kWaitForFileOperationTimeout = 2.0;
bool WaitUntilConditionOrTimeout(NSTimeInterval timeout,
ConditionBlock condition) {
NSDate* deadline = [NSDate dateWithTimeIntervalSinceNow:timeout];
bool success = condition();
while (!success && [[NSDate date] compare:deadline] != NSOrderedDescending) {
base::test::ios::SpinRunLoopWithMaxDelay(
base::TimeDelta::FromSecondsD(kSpinDelaySeconds));
success = condition();
}
return success;
}
TimeDelta TimeUntilCondition(ProceduralBlock action,
ConditionBlock condition,
bool run_message_loop,
TimeDelta timeout) {
ElapsedTimer timer;
if (action)
action();
if (timeout.is_zero())
timeout = TestTimeouts::action_timeout();
const TimeDelta spin_delay(TimeDelta::FromMilliseconds(10));
bool condition_evaluation_result = false;
while (timer.Elapsed() < timeout &&
(!condition || !(condition_evaluation_result = condition()))) {
SpinRunLoopWithMaxDelay(spin_delay);
if (run_message_loop)
RunLoop().RunUntilIdle();
}
const TimeDelta elapsed = timer.Elapsed();
// If DCHECK is ever hit, check if |action| is doing something that is
// taking an unreasonably long time, or if |condition| does not come
// true quickly enough. Increase |timeout| only if necessary.
DCHECK(!condition || condition_evaluation_result);
return elapsed;
}
void WaitUntilCondition(ConditionBlock condition,
bool run_message_loop,
TimeDelta timeout) {
TimeUntilCondition(nil, condition, run_message_loop, timeout);
}
void WaitUntilCondition(ConditionBlock condition) {
WaitUntilCondition(condition, false, TimeDelta());
}
void SpinRunLoopWithMaxDelay(TimeDelta max_delay) {
scoped_nsobject<NSDate> beforeDate(
[[NSDate alloc] initWithTimeIntervalSinceNow:max_delay.InSecondsF()]);
[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode
beforeDate:beforeDate];
}
void SpinRunLoopWithMinDelay(TimeDelta min_delay) {
ElapsedTimer timer;
while (timer.Elapsed() < min_delay) {
SpinRunLoopWithMaxDelay(TimeDelta::FromMilliseconds(10));
}
}
} // namespace ios
} // namespace test
} // namespace base