Swiftgram/AsyncDisplayKitTests/ASBasicImageDownloaderTests.m
Victor Mayorov 1f5813b835 Fixed typo
2015-06-10 16:19:54 +03:00

54 lines
1.7 KiB
Objective-C

//
// ASBasicImageDownloaderTests.m
// AsyncDisplayKit
//
// Created by Victor Mayorov on 10/06/15.
// Copyright (c) 2015 Facebook. All rights reserved.
//
#import <XCTest/XCTest.h>
#import <AsyncDisplayKit/ASBasicImageDownloader.h>
@interface ASBasicImageDownloaderTests : XCTestCase
@end
@implementation ASBasicImageDownloaderTests
- (void)testAsynchronouslyDownloadTheSameURLTwice {
ASBasicImageDownloader *downloader = [ASBasicImageDownloader new];
NSURL *URL = [NSURL URLWithString:@"http://wrongPath/wrongResource.png"];
dispatch_group_t group = dispatch_group_create();
__block BOOL firstDone = NO;
dispatch_group_enter(group);
[downloader downloadImageWithURL:URL
callbackQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)
downloadProgressBlock:nil
completion:^(CGImageRef image, NSError *error) {
firstDone = YES;
dispatch_group_leave(group);
}];
__block BOOL secondDone = NO;
dispatch_group_enter(group);
[downloader downloadImageWithURL:URL
callbackQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)
downloadProgressBlock:nil
completion:^(CGImageRef image, NSError *error) {
secondDone = YES;
dispatch_group_leave(group);
}];
XCTAssert(0 == dispatch_group_wait(group, dispatch_time(0, 10 * 1000000000)), @"URL loading takes too long");
XCTAssert(firstDone && secondDone, @"Not all handlers has been called");
}
@end