Swiftgram/submodules/AsyncDisplayKit/Tests/ASLayoutElementStyleTests.mm
Peter 9bc996374f Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'
git-subtree-dir: submodules/AsyncDisplayKit
git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632
git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
2019-06-11 18:42:43 +01:00

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//
// ASLayoutElementStyleTests.mm
// Texture
//
// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#import <XCTest/XCTest.h>
#import "ASXCTExtensions.h"
#import <AsyncDisplayKit/ASLayoutElement.h>
#pragma mark - ASLayoutElementStyleTestsDelegate
@interface ASLayoutElementStyleTestsDelegate : NSObject<ASLayoutElementStyleDelegate>
@property (copy, nonatomic) NSString *propertyNameChanged;
@end
@implementation ASLayoutElementStyleTestsDelegate
- (void)style:(id)style propertyDidChange:(NSString *)propertyName
{
self.propertyNameChanged = propertyName;
}
@end
#pragma mark - ASLayoutElementStyleTests
@interface ASLayoutElementStyleTests : XCTestCase
@end
@implementation ASLayoutElementStyleTests
- (void)testSettingSize
{
ASLayoutElementStyle *style = [ASLayoutElementStyle new];
style.width = ASDimensionMake(100);
style.height = ASDimensionMake(100);
XCTAssertTrue(ASDimensionEqualToDimension(style.width, ASDimensionMake(100)));
XCTAssertTrue(ASDimensionEqualToDimension(style.height, ASDimensionMake(100)));
style.minWidth = ASDimensionMake(100);
style.minHeight = ASDimensionMake(100);
XCTAssertTrue(ASDimensionEqualToDimension(style.width, ASDimensionMake(100)));
XCTAssertTrue(ASDimensionEqualToDimension(style.height, ASDimensionMake(100)));
style.maxWidth = ASDimensionMake(100);
style.maxHeight = ASDimensionMake(100);
XCTAssertTrue(ASDimensionEqualToDimension(style.width, ASDimensionMake(100)));
XCTAssertTrue(ASDimensionEqualToDimension(style.height, ASDimensionMake(100)));
}
- (void)testSettingSizeViaCGSize
{
ASLayoutElementStyle *style = [ASLayoutElementStyle new];
ASXCTAssertEqualSizes(style.preferredSize, CGSizeZero);
CGSize size = CGSizeMake(100, 100);
style.preferredSize = size;
ASXCTAssertEqualSizes(style.preferredSize, size);
XCTAssertTrue(ASDimensionEqualToDimension(style.width, ASDimensionMakeWithPoints(size.width)));
XCTAssertTrue(ASDimensionEqualToDimension(style.height, ASDimensionMakeWithPoints(size.height)));
style.minSize = size;
XCTAssertTrue(ASDimensionEqualToDimension(style.minWidth, ASDimensionMakeWithPoints(size.width)));
XCTAssertTrue(ASDimensionEqualToDimension(style.minHeight, ASDimensionMakeWithPoints(size.height)));
style.maxSize = size;
XCTAssertTrue(ASDimensionEqualToDimension(style.maxWidth, ASDimensionMakeWithPoints(size.width)));
XCTAssertTrue(ASDimensionEqualToDimension(style.maxHeight, ASDimensionMakeWithPoints(size.height)));
}
- (void)testReadingInvalidSizeForPreferredSize
{
ASLayoutElementStyle *style = [ASLayoutElementStyle new];
XCTAssertNoThrow(style.preferredSize);
style.width = ASDimensionMake(ASDimensionUnitFraction, 0.5);
XCTAssertThrows(style.preferredSize);
style.preferredSize = CGSizeMake(100, 100);
XCTAssertNoThrow(style.preferredSize);
}
- (void)testSettingSizeViaLayoutSize
{
ASLayoutElementStyle *style = [ASLayoutElementStyle new];
ASLayoutSize layoutSize = ASLayoutSizeMake(ASDimensionMake(100), ASDimensionMake(100));
style.preferredLayoutSize = layoutSize;
XCTAssertTrue(ASDimensionEqualToDimension(style.width, layoutSize.width));
XCTAssertTrue(ASDimensionEqualToDimension(style.height, layoutSize.height));
XCTAssertTrue(ASDimensionEqualToDimension(style.preferredLayoutSize.width, layoutSize.width));
XCTAssertTrue(ASDimensionEqualToDimension(style.preferredLayoutSize.height, layoutSize.height));
style.minLayoutSize = layoutSize;
XCTAssertTrue(ASDimensionEqualToDimension(style.minWidth, layoutSize.width));
XCTAssertTrue(ASDimensionEqualToDimension(style.minHeight, layoutSize.height));
XCTAssertTrue(ASDimensionEqualToDimension(style.minLayoutSize.width, layoutSize.width));
XCTAssertTrue(ASDimensionEqualToDimension(style.minLayoutSize.height, layoutSize.height));
style.maxLayoutSize = layoutSize;
XCTAssertTrue(ASDimensionEqualToDimension(style.maxWidth, layoutSize.width));
XCTAssertTrue(ASDimensionEqualToDimension(style.maxHeight, layoutSize.height));
XCTAssertTrue(ASDimensionEqualToDimension(style.maxLayoutSize.width, layoutSize.width));
XCTAssertTrue(ASDimensionEqualToDimension(style.maxLayoutSize.height, layoutSize.height));
}
- (void)testSettingPropertiesWillCallDelegate
{
ASLayoutElementStyleTestsDelegate *delegate = [ASLayoutElementStyleTestsDelegate new];
ASLayoutElementStyle *style = [[ASLayoutElementStyle alloc] initWithDelegate:delegate];
XCTAssertTrue(ASDimensionEqualToDimension(style.width, ASDimensionAuto));
style.width = ASDimensionMake(100);
XCTAssertTrue(ASDimensionEqualToDimension(style.width, ASDimensionMake(100)));
XCTAssertTrue([delegate.propertyNameChanged isEqualToString:ASLayoutElementStyleWidthProperty]);
}
@end