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/*
* Copyright 2017 Google
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import "SenTest+FWaiter.h"
#import "FTestContants.h"
@implementation XCTestCase (FWaiter)
- (NSTimeInterval) waitUntil:(BOOL (^)())predicate {
return [self waitUntil:predicate timeout:kFirebaseTestWaitUntilTimeout description:nil];
}
- (NSTimeInterval) waitUntil:(BOOL (^)())predicate description:(NSString*)desc {
return [self waitUntil:predicate timeout:kFirebaseTestWaitUntilTimeout description:desc];
}
- (NSTimeInterval) waitUntil:(BOOL (^)())predicate timeout:(NSTimeInterval)seconds {
return [self waitUntil:predicate timeout:seconds description:nil];
}
- (NSTimeInterval) waitUntil:(BOOL (^)())predicate timeout:(NSTimeInterval)seconds description:(NSString*)desc {
NSTimeInterval start = [NSDate timeIntervalSinceReferenceDate];
NSDate *timeoutDate = [NSDate dateWithTimeIntervalSinceNow:seconds];
NSTimeInterval timeoutTime = [timeoutDate timeIntervalSinceReferenceDate];
NSTimeInterval currentTime;
for (currentTime = [NSDate timeIntervalSinceReferenceDate];
!predicate() && currentTime < timeoutTime;
currentTime = [NSDate timeIntervalSinceReferenceDate]) {
[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.25]];
}
NSTimeInterval finish = [NSDate timeIntervalSinceReferenceDate];
if (currentTime > timeoutTime) {
if (desc != nil) {
XCTFail("Timed out on: %@", desc);
} else {
XCTFail("Timed out");
}
}
return (finish - start);
}
@end
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