Swiftgram/submodules/AsyncDisplayKit/Tests/ASAbsoluteLayoutSpecSnapshotTests.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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//
// ASAbsoluteLayoutSpecSnapshotTests.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 "ASLayoutSpecSnapshotTestsHelper.h"
#import <AsyncDisplayKit/ASAbsoluteLayoutSpec.h>
#import <AsyncDisplayKit/ASBackgroundLayoutSpec.h>
@interface ASAbsoluteLayoutSpecSnapshotTests : ASLayoutSpecSnapshotTestCase
@end
@implementation ASAbsoluteLayoutSpecSnapshotTests
- (void)testSizingBehaviour
{
[self testWithSizeRange:ASSizeRangeMake(CGSizeMake(150, 200), CGSizeMake(INFINITY, INFINITY))
identifier:@"underflowChildren"];
[self testWithSizeRange:ASSizeRangeMake(CGSizeZero, CGSizeMake(50, 100))
identifier:@"overflowChildren"];
// Expect the spec to wrap its content because children sizes are between constrained size
[self testWithSizeRange:ASSizeRangeMake(CGSizeZero, CGSizeMake(INFINITY / 2, INFINITY / 2))
identifier:@"wrappedChildren"];
}
- (void)testChildrenMeasuredWithAutoMaxSize
{
ASDisplayNode *firstChild = ASDisplayNodeWithBackgroundColor([UIColor redColor], (CGSize){50, 50});
firstChild.style.layoutPosition = CGPointMake(0, 0);
ASDisplayNode *secondChild = ASDisplayNodeWithBackgroundColor([UIColor blueColor], (CGSize){100, 100});
secondChild.style.layoutPosition = CGPointMake(10, 60);
ASSizeRange sizeRange = ASSizeRangeMake(CGSizeMake(10, 10), CGSizeMake(110, 160));
[self testWithChildren:@[firstChild, secondChild] sizeRange:sizeRange identifier:nil];
}
- (void)testWithSizeRange:(ASSizeRange)sizeRange identifier:(NSString *)identifier
{
ASDisplayNode *firstChild = ASDisplayNodeWithBackgroundColor([UIColor redColor], (CGSize){50, 50});
firstChild.style.layoutPosition = CGPointMake(0, 0);
ASDisplayNode *secondChild = ASDisplayNodeWithBackgroundColor([UIColor blueColor], (CGSize){100, 100});
secondChild.style.layoutPosition = CGPointMake(0, 50);
[self testWithChildren:@[firstChild, secondChild] sizeRange:sizeRange identifier:identifier];
}
- (void)testWithChildren:(NSArray *)children sizeRange:(ASSizeRange)sizeRange identifier:(NSString *)identifier
{
ASDisplayNode *backgroundNode = ASDisplayNodeWithBackgroundColor([UIColor whiteColor]);
NSMutableArray *subnodes = [NSMutableArray arrayWithArray:children];
[subnodes insertObject:backgroundNode atIndex:0];
ASLayoutSpec *layoutSpec =
[ASBackgroundLayoutSpec backgroundLayoutSpecWithChild:
[ASAbsoluteLayoutSpec
absoluteLayoutSpecWithChildren:children]
background:backgroundNode];
[self testLayoutSpec:layoutSpec sizeRange:sizeRange subnodes:subnodes identifier:identifier];
}
@end