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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
75 lines
3.4 KiB
Plaintext
75 lines
3.4 KiB
Plaintext
//
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// ASTextKitCoreTextAdditionsTests.mm
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <CoreText/CoreText.h>
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#import <XCTest/XCTest.h>
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#import <AsyncDisplayKit/ASTextKitCoreTextAdditions.h>
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#if AS_ENABLE_TEXTNODE
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BOOL floatsCloseEnough(CGFloat float1, CGFloat float2) {
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CGFloat epsilon = 0.00001;
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return (fabs(float1 - float2) < epsilon);
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}
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@interface ASTextKitCoreTextAdditionsTests : XCTestCase
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@end
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@implementation ASTextKitCoreTextAdditionsTests
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- (void)testAttributeCleansing
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{
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UIFont *font = [UIFont systemFontOfSize:12.0];
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NSMutableAttributedString *testString = [[NSMutableAttributedString alloc] initWithString:@"Test" attributes:@{NSFontAttributeName:font}];
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CFRange cfRange = CFRangeMake(0, testString.length);
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CGColorRef blueColor = CGColorRetain([UIColor blueColor].CGColor);
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CFAttributedStringSetAttribute((CFMutableAttributedStringRef)testString,
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cfRange,
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kCTForegroundColorAttributeName,
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blueColor);
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UIColor *color = [UIColor colorWithCGColor:blueColor];
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NSAttributedString *actualCleansedString = ASCleanseAttributedStringOfCoreTextAttributes(testString);
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XCTAssertTrue([[actualCleansedString attribute:NSForegroundColorAttributeName atIndex:0 effectiveRange:NULL] isEqual:color], @"Expected the %@ core text attribute to be cleansed from the string %@\n Should match %@", kCTForegroundColorFromContextAttributeName, actualCleansedString, color);
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CGColorRelease(blueColor);
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}
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- (void)testNoAttributeCleansing
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{
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NSMutableAttributedString *testString = [[NSMutableAttributedString alloc] initWithString:@"Test" attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:12.0],
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NSForegroundColorAttributeName : [UIColor blueColor]}];
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NSAttributedString *actualCleansedString = ASCleanseAttributedStringOfCoreTextAttributes(testString);
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XCTAssertTrue([testString isEqualToAttributedString:actualCleansedString], @"Expected the output string %@ to be the same as the input %@ if there are no core text attributes", actualCleansedString, testString);
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}
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- (void)testNSParagraphStyleNoCleansing
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{
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NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
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paragraphStyle.lineSpacing = 10.0;
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//NSUnderlineStyleAttributeName flags the unsupported CT attribute check
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NSDictionary *attributes = @{NSParagraphStyleAttributeName:paragraphStyle,
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NSUnderlineStyleAttributeName:@(NSUnderlineStyleSingle)};
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NSAttributedString *attributedString = [[NSAttributedString alloc] initWithString:@"Test" attributes:attributes];
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NSAttributedString *cleansedString = ASCleanseAttributedStringOfCoreTextAttributes(attributedString);
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NSParagraphStyle *cleansedParagraphStyle = [cleansedString attribute:NSParagraphStyleAttributeName atIndex:0 effectiveRange:NULL];
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XCTAssertTrue(floatsCloseEnough(cleansedParagraphStyle.lineSpacing, paragraphStyle.lineSpacing), @"Expected the output line spacing: %f to be equal to the input line spacing: %f", cleansedParagraphStyle.lineSpacing, paragraphStyle.lineSpacing);
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}
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@end
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#endif
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