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https://github.com/HackPlan/AsyncDisplayKit.git
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dfe4585cec
* Add ability to force the size which an image node is rendered. * Add unit tests for forced scaling. * Whoops, need results! * Round forced scaling. * Check size of contents too. * Remove unnecessary container node.
55 lines
1.7 KiB
Objective-C
55 lines
1.7 KiB
Objective-C
//
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// ASImageNodeSnapshotTests.m
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// AsyncDisplayKit
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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#import "ASSnapshotTestCase.h"
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#import <AsyncDisplayKit/AsyncDisplayKit.h>
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@interface ASImageNodeSnapshotTests : ASSnapshotTestCase
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@end
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@implementation ASImageNodeSnapshotTests
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- (UIImage *)testImage
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{
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NSString *path = [[NSBundle bundleForClass:[self class]] pathForResource:@"logo-square"
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ofType:@"png" inDirectory:@"TestResources"];
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return [UIImage imageWithContentsOfFile:path];
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}
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- (void)testRenderLogoSquare
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{
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// trivial test case to ensure ASSnapshotTestCase works
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ASImageNode *imageNode = [[ASImageNode alloc] init];
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imageNode.image = [self testImage];
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[imageNode measure:CGSizeMake(100, 100)];
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ASSnapshotVerifyNode(imageNode, nil);
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}
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- (void)testForcedScaling
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{
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ASImageNode *imageNode = [[ASImageNode alloc] init];
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imageNode.image = [self testImage];
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imageNode.frame = CGRectMake(0, 0, 100, 100);
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imageNode.forcedSize = CGSizeMake(100, 100);
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ASSnapshotVerifyNode(imageNode, @"first");
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imageNode.frame = CGRectMake(0, 0, 200, 200);
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ASSnapshotVerifyNode(imageNode, @"second");
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XCTAssert(CGImageGetWidth((CGImageRef)imageNode.contents) == 100 * imageNode.contentsScale && CGImageGetHeight((CGImageRef)imageNode.contents) == 100 * imageNode.contentsScale, @"contents should be 100 x 100 by contents scale.");
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}
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@end
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