56 lines
1.8 KiB
Objective-C
56 lines
1.8 KiB
Objective-C
/**
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Copyright 2018 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at:
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import "FBLPromise+Testing.h"
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BOOL FBLWaitForPromisesWithTimeout(NSTimeInterval timeout) {
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BOOL isTimedOut = NO;
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NSDate *timeoutDate = [NSDate dateWithTimeIntervalSinceNow:timeout];
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static NSTimeInterval const minimalTimeout = 0.01;
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static int64_t const minimalTimeToWait = (int64_t)(minimalTimeout * NSEC_PER_SEC);
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dispatch_time_t waitTime = dispatch_time(DISPATCH_TIME_NOW, minimalTimeToWait);
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dispatch_group_t dispatchGroup = FBLPromise.dispatchGroup;
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NSRunLoop *runLoop = NSRunLoop.currentRunLoop;
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while (dispatch_group_wait(dispatchGroup, waitTime)) {
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isTimedOut = timeoutDate.timeIntervalSinceNow < 0.0;
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if (isTimedOut) {
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break;
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}
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[runLoop runUntilDate:[NSDate dateWithTimeIntervalSinceNow:minimalTimeout]];
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}
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return !isTimedOut;
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}
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@implementation FBLPromise (TestingAdditions)
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// These properties are implemented in the FBLPromise class itself.
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@dynamic isPending;
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@dynamic isFulfilled;
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@dynamic isRejected;
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@dynamic value;
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@dynamic error;
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+ (dispatch_group_t)dispatchGroup {
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static dispatch_group_t gDispatchGroup;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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gDispatchGroup = dispatch_group_create();
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});
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return gDispatchGroup;
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}
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@end
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