Swiftgram/AsyncDisplayKitTests/ASStaticLayoutSpecSnapshotTests.m
2015-10-19 20:37:20 +03:00

86 lines
3.5 KiB
Objective-C

//
// ASStaticLayoutSpecSnapshotTests.m
// AsyncDisplayKit
//
// Created by Huy Nguyen on 18/10/15.
// Copyright (c) 2015 Facebook. All rights reserved.
//
#import "ASLayoutSpecSnapshotTestsHelper.h"
#import "ASStaticLayoutSpec.h"
#import "ASBackgroundLayoutSpec.h"
@interface ASStaticLayoutSpecSnapshotTests : ASLayoutSpecSnapshotTestCase
@end
@implementation ASStaticLayoutSpecSnapshotTests
- (void)setUp
{
[super setUp];
self.recordMode = NO;
}
- (void)testSizingBehaviour
{
[self testWithSizeRange:ASSizeRangeMake(CGSizeMake(150, 200), CGSizeMake(FLT_MAX, FLT_MAX))
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(FLT_MAX / 2, FLT_MAX / 2))
identifier:@"wrappedChildren"];
}
- (void)testChildrenMeasuredWithAutoMaxSize
{
ASStaticSizeDisplayNode *firstChild = ASDisplayNodeWithBackgroundColor([UIColor redColor]);
firstChild.layoutPosition = CGPointMake(0, 0);
firstChild.staticSize = CGSizeMake(50, 50);
ASStaticSizeDisplayNode *secondChild = ASDisplayNodeWithBackgroundColor([UIColor blueColor]);
secondChild.layoutPosition = CGPointMake(10, 60);
secondChild.staticSize = CGSizeMake(100, 100);
ASSizeRange sizeRange = ASSizeRangeMake(CGSizeMake(10, 10), CGSizeMake(110, 160));
[self testWithChildren:@[firstChild, secondChild] sizeRange:sizeRange identifier:nil];
XCTAssertTrue(ASSizeRangeEqualToSizeRange(firstChild.constrainedSizeForCalculatedLayout,
ASSizeRangeMake(CGSizeZero, sizeRange.max)));
CGSize secondChildMaxSize = CGSizeMake(sizeRange.max.width - secondChild.layoutPosition.x,
sizeRange.max.height - secondChild.layoutPosition.y);
XCTAssertTrue(ASSizeRangeEqualToSizeRange(secondChild.constrainedSizeForCalculatedLayout,
ASSizeRangeMake(CGSizeZero, secondChildMaxSize)));
}
- (void)testWithSizeRange:(ASSizeRange)sizeRange identifier:(NSString *)identifier
{
ASDisplayNode *firstChild = ASDisplayNodeWithBackgroundColor([UIColor redColor]);
firstChild.layoutPosition = CGPointMake(0, 0);
firstChild.sizeRange = ASRelativeSizeRangeMakeWithExactCGSize(CGSizeMake(50, 50));
ASDisplayNode *secondChild = ASDisplayNodeWithBackgroundColor([UIColor blueColor]);
secondChild.layoutPosition = CGPointMake(0, 50);
secondChild.sizeRange = ASRelativeSizeRangeMakeWithExactCGSize(CGSizeMake(100, 100));
[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];
ASStaticLayoutSpec *staticLayoutSpec = [ASStaticLayoutSpec staticLayoutSpecWithChildren:children];
ASLayoutSpec *layoutSpec = [ASBackgroundLayoutSpec backgroundLayoutSpecWithChild:staticLayoutSpec
background:backgroundNode];
[self testLayoutSpec:layoutSpec sizeRange:sizeRange subnodes:subnodes identifier:identifier];
}
@end