275 lines
14 KiB
Plaintext
275 lines
14 KiB
Plaintext
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <Foundation/Foundation.h>
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#import <XCTest/XCTest.h>
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#import <react/renderer/textlayoutmanager/RCTAttributedTextUtils.h>
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using namespace facebook::react;
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@interface RCTAttributedTextUtilsTest : XCTestCase
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@end
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@implementation RCTAttributedTextUtilsTest
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- (void)testSamenessOfEmptyAttributedStrings
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{
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NSAttributedString *attributedString1 = [[NSAttributedString alloc] initWithString:@""];
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NSAttributedString *attributedString2 = [[NSAttributedString alloc] initWithString:@""];
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NSDictionary<NSAttributedStringKey, id> *insensitiveAttributes = @{};
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XCTAssertTrue(RCTIsAttributedStringEffectivelySame(
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attributedString1, attributedString2, insensitiveAttributes, TextAttributes{}));
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XCTAssertTrue(RCTIsAttributedStringEffectivelySame(
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attributedString2, attributedString1, insensitiveAttributes, TextAttributes{}));
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}
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- (void)testSamenessOfExactAttributedStrings
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{
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NSMutableAttributedString *attributedString1 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString1 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSMutableAttributedString *attributedString2 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString2 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSDictionary<NSAttributedStringKey, id> *insensitiveAttributes = @{};
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XCTAssertTrue(RCTIsAttributedStringEffectivelySame(
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attributedString1, attributedString2, insensitiveAttributes, TextAttributes{}));
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XCTAssertTrue(RCTIsAttributedStringEffectivelySame(
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attributedString2, attributedString1, insensitiveAttributes, TextAttributes{}));
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}
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- (void)testDifferenceOfDifferentString
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{
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NSMutableAttributedString *attributedString1 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString1 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSMutableAttributedString *attributedString2 = [[NSMutableAttributedString alloc] initWithString:@"hello World!"];
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[attributedString2 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSDictionary<NSAttributedStringKey, id> *insensitiveAttributes = @{};
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XCTAssertFalse(RCTIsAttributedStringEffectivelySame(
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attributedString1, attributedString2, insensitiveAttributes, TextAttributes{}));
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XCTAssertFalse(RCTIsAttributedStringEffectivelySame(
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attributedString2, attributedString1, insensitiveAttributes, TextAttributes{}));
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}
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- (void)testDifferenceOfDifferentFragmentRanges
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{
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NSMutableAttributedString *attributedString1 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString1 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSMutableAttributedString *attributedString2 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString2 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 6)];
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NSDictionary<NSAttributedStringKey, id> *insensitiveAttributes = @{};
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XCTAssertFalse(RCTIsAttributedStringEffectivelySame(
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attributedString1, attributedString2, insensitiveAttributes, TextAttributes{}));
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XCTAssertFalse(RCTIsAttributedStringEffectivelySame(
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attributedString2, attributedString1, insensitiveAttributes, TextAttributes{}));
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}
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- (void)testDifferenceOfDifferentAttributes
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{
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NSMutableAttributedString *attributedString1 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString1 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSMutableAttributedString *attributedString2 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString2 addAttribute:NSForegroundColorAttributeName value:[UIColor blueColor] range:NSMakeRange(0, 5)];
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NSDictionary<NSAttributedStringKey, id> *insensitiveAttributes = @{};
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XCTAssertFalse(RCTIsAttributedStringEffectivelySame(
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attributedString1, attributedString2, insensitiveAttributes, TextAttributes{}));
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XCTAssertFalse(RCTIsAttributedStringEffectivelySame(
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attributedString2, attributedString1, insensitiveAttributes, TextAttributes{}));
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}
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- (void)testDifferenceOfExtraAttributes
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{
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NSMutableAttributedString *attributedString1 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString1 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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[attributedString1 addAttribute:NSBackgroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSMutableAttributedString *attributedString2 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString2 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSDictionary<NSAttributedStringKey, id> *insensitiveAttributes = @{};
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XCTAssertFalse(RCTIsAttributedStringEffectivelySame(
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attributedString1, attributedString2, insensitiveAttributes, TextAttributes{}));
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XCTAssertFalse(RCTIsAttributedStringEffectivelySame(
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attributedString2, attributedString1, insensitiveAttributes, TextAttributes{}));
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}
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- (void)testSamenessOfMissingInsensitiveAttributes
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{
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NSMutableAttributedString *attributedString1 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString1 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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[attributedString1 addAttribute:NSShadowAttributeName value:[NSShadow new] range:NSMakeRange(0, 5)];
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NSMutableAttributedString *attributedString2 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString2 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSDictionary<NSAttributedStringKey, id> *insensitiveAttributes = @{
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NSShadowAttributeName : [NSShadow new],
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};
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XCTAssertTrue(RCTIsAttributedStringEffectivelySame(
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attributedString1, attributedString2, insensitiveAttributes, TextAttributes{}));
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XCTAssertTrue(RCTIsAttributedStringEffectivelySame(
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attributedString2, attributedString1, insensitiveAttributes, TextAttributes{}));
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}
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- (void)testSamenessOfResolvedParagraphStyleLtr
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{
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NSMutableAttributedString *attributedString1 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString1 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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[attributedString1 addAttribute:NSParagraphStyleAttributeName
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value:NSParagraphStyle.defaultParagraphStyle
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range:NSMakeRange(0, 5)];
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NSMutableAttributedString *attributedString2 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString2 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSMutableParagraphStyle *str2ParagraphStyle = [NSMutableParagraphStyle new];
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str2ParagraphStyle.alignment = NSTextAlignmentLeft;
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// Base writing direction unless overriden by prop is determined by locale, and we assume this test runs in an LTR
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// locale.
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str2ParagraphStyle.baseWritingDirection = NSWritingDirectionLeftToRight;
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[attributedString2 addAttribute:NSParagraphStyleAttributeName value:str2ParagraphStyle range:NSMakeRange(0, 5)];
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TextAttributes textAttributes;
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textAttributes.layoutDirection = LayoutDirection::LeftToRight;
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NSDictionary<NSAttributedStringKey, id> *insensitiveAttributes = @{};
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XCTAssertTrue(RCTIsAttributedStringEffectivelySame(
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attributedString1, attributedString2, insensitiveAttributes, textAttributes));
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XCTAssertTrue(RCTIsAttributedStringEffectivelySame(
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attributedString2, attributedString1, insensitiveAttributes, textAttributes));
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}
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- (void)testSamenessOfResolvedParagraphStyleRtl
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{
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NSMutableAttributedString *attributedString1 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString1 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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[attributedString1 addAttribute:NSParagraphStyleAttributeName
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value:NSParagraphStyle.defaultParagraphStyle
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range:NSMakeRange(0, 5)];
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NSMutableAttributedString *attributedString2 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString2 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSMutableParagraphStyle *str2ParagraphStyle = [NSMutableParagraphStyle new];
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str2ParagraphStyle.alignment = NSTextAlignmentRight;
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// Base writing direction unless overriden by prop is determined by locale, and we assume this test runs in an LTR
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// locale.
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str2ParagraphStyle.baseWritingDirection = NSWritingDirectionLeftToRight;
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[attributedString2 addAttribute:NSParagraphStyleAttributeName value:str2ParagraphStyle range:NSMakeRange(0, 5)];
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TextAttributes textAttributes;
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textAttributes.layoutDirection = LayoutDirection::RightToLeft;
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NSDictionary<NSAttributedStringKey, id> *insensitiveAttributes = @{};
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XCTAssertTrue(RCTIsAttributedStringEffectivelySame(
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attributedString1, attributedString2, insensitiveAttributes, textAttributes));
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XCTAssertTrue(RCTIsAttributedStringEffectivelySame(
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attributedString2, attributedString1, insensitiveAttributes, textAttributes));
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}
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- (void)testSamenessOfResolvedInsensitiveParagraphStyle
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{
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NSMutableAttributedString *attributedString1 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString1 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSMutableAttributedString *attributedString2 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString2 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSMutableParagraphStyle *str2ParagraphStyle = [NSMutableParagraphStyle new];
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str2ParagraphStyle.alignment = NSTextAlignmentLeft;
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// Base writing direction unless overriden by prop is determined by locale, and we assume this test runs in an LTR
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// locale.
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str2ParagraphStyle.baseWritingDirection = NSWritingDirectionLeftToRight;
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[attributedString2 addAttribute:NSParagraphStyleAttributeName value:str2ParagraphStyle range:NSMakeRange(0, 5)];
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TextAttributes textAttributes;
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textAttributes.layoutDirection = LayoutDirection::LeftToRight;
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NSDictionary<NSAttributedStringKey, id> *insensitiveAttributes = @{
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NSParagraphStyleAttributeName : NSParagraphStyle.defaultParagraphStyle,
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};
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XCTAssertTrue(RCTIsAttributedStringEffectivelySame(
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attributedString1, attributedString2, insensitiveAttributes, textAttributes));
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XCTAssertTrue(RCTIsAttributedStringEffectivelySame(
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attributedString2, attributedString1, insensitiveAttributes, textAttributes));
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}
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- (void)testDifferenceOfResolvedParagraphStyle
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{
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NSMutableAttributedString *attributedString1 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString1 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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[attributedString1 addAttribute:NSParagraphStyleAttributeName
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value:NSParagraphStyle.defaultParagraphStyle
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range:NSMakeRange(0, 5)];
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NSMutableAttributedString *attributedString2 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString2 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSMutableParagraphStyle *str2ParagraphStyle = [NSMutableParagraphStyle new];
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str2ParagraphStyle.alignment = NSTextAlignmentCenter;
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// Base writing direction unless overriden by prop is determined by locale, and we assume this test runs in an LTR
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// locale.
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str2ParagraphStyle.baseWritingDirection = NSWritingDirectionLeftToRight;
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[attributedString2 addAttribute:NSParagraphStyleAttributeName value:str2ParagraphStyle range:NSMakeRange(0, 5)];
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TextAttributes textAttributes;
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textAttributes.layoutDirection = LayoutDirection::LeftToRight;
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NSDictionary<NSAttributedStringKey, id> *insensitiveAttributes = @{};
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XCTAssertFalse(RCTIsAttributedStringEffectivelySame(
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attributedString1, attributedString2, insensitiveAttributes, textAttributes));
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XCTAssertFalse(RCTIsAttributedStringEffectivelySame(
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attributedString2, attributedString1, insensitiveAttributes, textAttributes));
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}
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- (void)testDifferenceOfMissingParagraphStyle
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{
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NSMutableAttributedString *attributedString1 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString1 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSMutableAttributedString *attributedString2 = [[NSMutableAttributedString alloc] initWithString:@"Hello world!"];
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[attributedString2 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 5)];
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NSMutableParagraphStyle *str2ParagraphStyle = [NSMutableParagraphStyle new];
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str2ParagraphStyle.alignment = NSTextAlignmentLeft;
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// Base writing direction unless overriden by prop is determined by locale, and we assume this test runs in an LTR
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// locale.
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str2ParagraphStyle.baseWritingDirection = NSWritingDirectionLeftToRight;
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[attributedString2 addAttribute:NSParagraphStyleAttributeName value:str2ParagraphStyle range:NSMakeRange(0, 5)];
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TextAttributes textAttributes;
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textAttributes.layoutDirection = LayoutDirection::LeftToRight;
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NSDictionary<NSAttributedStringKey, id> *insensitiveAttributes = @{};
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XCTAssertFalse(RCTIsAttributedStringEffectivelySame(
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attributedString1, attributedString2, insensitiveAttributes, textAttributes));
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XCTAssertFalse(RCTIsAttributedStringEffectivelySame(
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attributedString2, attributedString1, insensitiveAttributes, textAttributes));
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}
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@end
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