Swiftgram/submodules/AsyncDisplayKit/Tests/ASInsetLayoutSpecSnapshotTests.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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//
// ASInsetLayoutSpecSnapshotTests.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/ASBackgroundLayoutSpec.h>
#import <AsyncDisplayKit/ASInsetLayoutSpec.h>
typedef NS_OPTIONS(NSUInteger, ASInsetLayoutSpecTestEdge) {
ASInsetLayoutSpecTestEdgeTop = 1 << 0,
ASInsetLayoutSpecTestEdgeLeft = 1 << 1,
ASInsetLayoutSpecTestEdgeBottom = 1 << 2,
ASInsetLayoutSpecTestEdgeRight = 1 << 3,
};
static CGFloat insetForEdge(NSUInteger combination, ASInsetLayoutSpecTestEdge edge, CGFloat insetValue)
{
return combination & edge ? INFINITY : insetValue;
}
static UIEdgeInsets insetsForCombination(NSUInteger combination, CGFloat insetValue)
{
return {
.top = insetForEdge(combination, ASInsetLayoutSpecTestEdgeTop, insetValue),
.left = insetForEdge(combination, ASInsetLayoutSpecTestEdgeLeft, insetValue),
.bottom = insetForEdge(combination, ASInsetLayoutSpecTestEdgeBottom, insetValue),
.right = insetForEdge(combination, ASInsetLayoutSpecTestEdgeRight, insetValue),
};
}
static NSString *nameForInsets(UIEdgeInsets insets)
{
return [NSString stringWithFormat:@"%.f-%.f-%.f-%.f", insets.top, insets.left, insets.bottom, insets.right];
}
@interface ASInsetLayoutSpecSnapshotTests : ASLayoutSpecSnapshotTestCase
@end
@implementation ASInsetLayoutSpecSnapshotTests
- (void)testInsetsWithVariableSize
{
for (NSUInteger combination = 0; combination < 16; combination++) {
UIEdgeInsets insets = insetsForCombination(combination, 10);
ASDisplayNode *backgroundNode = ASDisplayNodeWithBackgroundColor([UIColor grayColor]);
ASDisplayNode *foregroundNode = ASDisplayNodeWithBackgroundColor([UIColor greenColor], {10, 10});
ASLayoutSpec *layoutSpec =
[ASBackgroundLayoutSpec
backgroundLayoutSpecWithChild:
[ASInsetLayoutSpec
insetLayoutSpecWithInsets:insets
child:foregroundNode]
background:backgroundNode];
static ASSizeRange kVariableSize = {{0, 0}, {300, 300}};
[self testLayoutSpec:layoutSpec
sizeRange:kVariableSize
subnodes:@[backgroundNode, foregroundNode]
identifier:nameForInsets(insets)];
}
}
- (void)testInsetsWithFixedSize
{
for (NSUInteger combination = 0; combination < 16; combination++) {
UIEdgeInsets insets = insetsForCombination(combination, 10);
ASDisplayNode *backgroundNode = ASDisplayNodeWithBackgroundColor([UIColor grayColor]);
ASDisplayNode *foregroundNode = ASDisplayNodeWithBackgroundColor([UIColor greenColor], {10, 10});
ASLayoutSpec *layoutSpec =
[ASBackgroundLayoutSpec
backgroundLayoutSpecWithChild:
[ASInsetLayoutSpec
insetLayoutSpecWithInsets:insets
child:foregroundNode]
background:backgroundNode];
static ASSizeRange kFixedSize = {{300, 300}, {300, 300}};
[self testLayoutSpec:layoutSpec
sizeRange:kFixedSize
subnodes:@[backgroundNode, foregroundNode]
identifier:nameForInsets(insets)];
}
}
/** Regression test, there was a bug mixing insets with infinite and zero sizes */
- (void)testInsetsWithInfinityAndZeroInsetValue
{
for (NSUInteger combination = 0; combination < 16; combination++) {
UIEdgeInsets insets = insetsForCombination(combination, 0);
ASDisplayNode *backgroundNode = ASDisplayNodeWithBackgroundColor([UIColor grayColor]);
ASDisplayNode *foregroundNode = ASDisplayNodeWithBackgroundColor([UIColor greenColor], {10, 10});
ASLayoutSpec *layoutSpec =
[ASBackgroundLayoutSpec
backgroundLayoutSpecWithChild:
[ASInsetLayoutSpec
insetLayoutSpecWithInsets:insets
child:foregroundNode]
background:backgroundNode];
static ASSizeRange kFixedSize = {{300, 300}, {300, 300}};
[self testLayoutSpec:layoutSpec
sizeRange:kFixedSize
subnodes:@[backgroundNode, foregroundNode]
identifier:nameForInsets(insets)];
}
}
@end