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ASTextNode expose exclusion paths

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expose NSTextContainer's exclusionPaths property on ASTextNode to be able to exclude view areas from typesetting.

This implements #394
This commit is contained in:
Tobias Klonk
2015-04-20 10:21:01 +02:00
parent 1316389f10
commit 2a29f81b3a
6 changed files with 81 additions and 0 deletions
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19
AsyncDisplayKitTests/ASTextNodeTests.m
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@@ -177,4 +177,23 @@
XCTAssertFalse(delegate.tappedLinkValue, @"Expected the delegate to be told that the value %@ was tapped, instead it thinks the tapped attribute value is %@", linkAttributeValue, delegate.tappedLinkValue);
}
#pragma mark exclusion Paths
- (void)testSettingExclusionPaths
{
NSArray *exclusionPaths = @[[UIBezierPath bezierPathWithRect:CGRectMake(10, 20, 30, 40)]];
_textNode.exclusionPaths = exclusionPaths;
XCTAssertTrue([_textNode.exclusionPaths isEqualToArray:exclusionPaths], @"Failed to set exclusion paths");
}
- (void)testAddingExclusionPathsShouldInvalidateAndIncreaseTheSize
{
CGSize constrainedSize = CGSizeMake(100, CGFLOAT_MAX);
CGSize sizeWithoutExclusionPaths = [_textNode measure:constrainedSize];
_textNode.exclusionPaths = @[[UIBezierPath bezierPathWithRect:CGRectMake(50, 20, 30, 40)]];
CGSize sizeWithExclusionPaths = [_textNode measure:constrainedSize];
XCTAssertGreaterThan(sizeWithExclusionPaths.height, sizeWithoutExclusionPaths.height, @"Setting exclusions paths should invalidate the calculated size and return a greater size");
}
@end