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| 1 | +// |
| 2 | +// ASStaticLayoutSpecSnapshotTests.m |
| 3 | +// AsyncDisplayKit |
| 4 | +// |
| 5 | +// Created by Huy Nguyen on 18/10/15. |
| 6 | +// Copyright (c) 2015 Facebook. All rights reserved. |
| 7 | +// |
| 8 | + |
| 9 | +#import "ASLayoutSpecSnapshotTestsHelper.h" |
| 10 | + |
| 11 | +#import "ASStaticLayoutSpec.h" |
| 12 | +#import "ASBackgroundLayoutSpec.h" |
| 13 | + |
| 14 | +@interface ASStaticLayoutSpecSnapshotTests : ASLayoutSpecSnapshotTestCase |
| 15 | +@end |
| 16 | + |
| 17 | +@implementation ASStaticLayoutSpecSnapshotTests |
| 18 | + |
| 19 | +- (void)setUp |
| 20 | +{ |
| 21 | + [super setUp]; |
| 22 | + self.recordMode = NO; |
| 23 | +} |
| 24 | + |
| 25 | +- (void)testSizingBehaviour |
| 26 | +{ |
| 27 | + [self testWithSizeRange:ASSizeRangeMake(CGSizeMake(150, 200), CGSizeMake(FLT_MAX, FLT_MAX)) |
| 28 | + identifier:@"underflowChildren"]; |
| 29 | + [self testWithSizeRange:ASSizeRangeMake(CGSizeZero, CGSizeMake(50, 100)) |
| 30 | + identifier:@"overflowChildren"]; |
| 31 | + // Expect the spec to wrap its content because children sizes are between constrained size |
| 32 | + [self testWithSizeRange:ASSizeRangeMake(CGSizeZero, CGSizeMake(FLT_MAX / 2, FLT_MAX / 2)) |
| 33 | + identifier:@"wrappedChildren"]; |
| 34 | +} |
| 35 | + |
| 36 | +- (void)testChildrenMeasuredWithAutoMaxSize |
| 37 | +{ |
| 38 | + ASStaticSizeDisplayNode *firstChild = ASDisplayNodeWithBackgroundColor([UIColor redColor]); |
| 39 | + firstChild.layoutPosition = CGPointMake(0, 0); |
| 40 | + firstChild.staticSize = CGSizeMake(50, 50); |
| 41 | + |
| 42 | + ASStaticSizeDisplayNode *secondChild = ASDisplayNodeWithBackgroundColor([UIColor blueColor]); |
| 43 | + secondChild.layoutPosition = CGPointMake(10, 60); |
| 44 | + secondChild.staticSize = CGSizeMake(100, 100); |
| 45 | + |
| 46 | + ASSizeRange sizeRange = ASSizeRangeMake(CGSizeMake(10, 10), CGSizeMake(110, 160)); |
| 47 | + [self testWithChildren:@[firstChild, secondChild] sizeRange:sizeRange identifier:nil]; |
| 48 | + |
| 49 | + XCTAssertTrue(ASSizeRangeEqualToSizeRange(firstChild.constrainedSizeForCalculatedLayout, |
| 50 | + ASSizeRangeMake(CGSizeZero, sizeRange.max))); |
| 51 | + CGSize secondChildMaxSize = CGSizeMake(sizeRange.max.width - secondChild.layoutPosition.x, |
| 52 | + sizeRange.max.height - secondChild.layoutPosition.y); |
| 53 | + XCTAssertTrue(ASSizeRangeEqualToSizeRange(secondChild.constrainedSizeForCalculatedLayout, |
| 54 | + ASSizeRangeMake(CGSizeZero, secondChildMaxSize))); |
| 55 | +} |
| 56 | + |
| 57 | +- (void)testWithSizeRange:(ASSizeRange)sizeRange identifier:(NSString *)identifier |
| 58 | +{ |
| 59 | + ASDisplayNode *firstChild = ASDisplayNodeWithBackgroundColor([UIColor redColor]); |
| 60 | + firstChild.layoutPosition = CGPointMake(0, 0); |
| 61 | + firstChild.sizeRange = ASRelativeSizeRangeMakeWithExactCGSize(CGSizeMake(50, 50)); |
| 62 | + |
| 63 | + |
| 64 | + ASDisplayNode *secondChild = ASDisplayNodeWithBackgroundColor([UIColor blueColor]); |
| 65 | + secondChild.layoutPosition = CGPointMake(0, 50); |
| 66 | + secondChild.sizeRange = ASRelativeSizeRangeMakeWithExactCGSize(CGSizeMake(100, 100)); |
| 67 | + |
| 68 | + [self testWithChildren:@[firstChild, secondChild] sizeRange:sizeRange identifier:identifier]; |
| 69 | +} |
| 70 | + |
| 71 | +- (void)testWithChildren:(NSArray *)children sizeRange:(ASSizeRange)sizeRange identifier:(NSString *)identifier |
| 72 | +{ |
| 73 | + ASDisplayNode *backgroundNode = ASDisplayNodeWithBackgroundColor([UIColor whiteColor]); |
| 74 | + |
| 75 | + NSMutableArray *subnodes = [NSMutableArray arrayWithArray:children]; |
| 76 | + [subnodes insertObject:backgroundNode atIndex:0]; |
| 77 | + |
| 78 | + ASStaticLayoutSpec *staticLayoutSpec = [ASStaticLayoutSpec staticLayoutSpecWithChildren:children]; |
| 79 | + ASLayoutSpec *layoutSpec = [ASBackgroundLayoutSpec backgroundLayoutSpecWithChild:staticLayoutSpec |
| 80 | + background:backgroundNode]; |
| 81 | + |
| 82 | + [self testLayoutSpec:layoutSpec sizeRange:sizeRange subnodes:subnodes identifier:identifier]; |
| 83 | +} |
| 84 | + |
| 85 | +@end |
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