Files
firebase-ios-sdk/Firestore/Example/Tests/Util/FSTTestDispatchQueue.m
T

62 lines
1.8 KiB
Objective-C

/*
* 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 "FSTTestDispatchQueue.h"
#import <XCTest/XCTestExpectation.h>
#import "Util/FSTAssert.h"
@interface FSTTestDispatchQueue ()
@property(nonatomic, weak) XCTestExpectation* expectation;
@end
@implementation FSTTestDispatchQueue
/** The delay used by the idle timeout */
static const NSTimeInterval kIdleDispatchDelay = 60.0;
/** The maximum delay we use in a test run. */
static const NSTimeInterval kTestDispatchDelay = 1.0;
+ (instancetype)queueWith:(dispatch_queue_t)dispatchQueue {
return [[FSTTestDispatchQueue alloc] initWithQueue:dispatchQueue];
}
- (instancetype)initWithQueue:(dispatch_queue_t)dispatchQueue {
return (self = [super initWithQueue:dispatchQueue]);
}
- (void)dispatchAfterDelay:(NSTimeInterval)delay block:(void (^)(void))block {
[super dispatchAfterDelay:MIN(delay, kTestDispatchDelay)
block:^() {
block();
if (delay == kIdleDispatchDelay) {
[_expectation fulfill];
_expectation = nil;
}
}];
}
- (void)fulfillOnExecution:(XCTestExpectation*)expectation {
FSTAssert(_expectation == nil, @"Previous expectation still active");
_expectation = expectation;
}
@end