Tools/TestWebKitAPI/Tests/ios/TextStyleFontSize.mm - WebKit - Git at Google

 /*
  * Copyright (C) 2021 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  * THE POSSIBILITY OF SUCH DAMAGE.
  */

 #import "config.h"

 #import "InstanceMethodSwizzler.h"
 #import "TestWKWebView.h"
 #import "UIKitSPI.h"
 #import <WebKit/WKPreferencesPrivate.h>
 #import <WebKit/WKPreferencesRef.h>
 #import <WebKit/WKWebViewPrivate.h>

 #if PLATFORM(IOS_FAMILY)

 #include <WebCore/RenderThemeIOS.h>

 static auto contentSizeCategory = kCTFontContentSizeCategoryXXXL;

 @interface TextStyleFontSizeWebView : TestWKWebView

 @end

 @implementation TextStyleFontSizeWebView

 - (NSString *)_contentSizeCategory
 {
     return static_cast<NSString *>(contentSizeCategory);
 }

 @end

 TEST(TextStyleFontSize, Startup)
 {
     auto descriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(kCTUIFontTextStyleBody, contentSizeCategory, nullptr));
     auto sizeNumber = adoptCF(CTFontDescriptorCopyAttribute(descriptor.get(), kCTFontSizeAttribute));
     auto expected = static_cast<NSNumber *>(sizeNumber.get()).integerValue;

     static NSString *testMarkup = @"<html><head></head><body><div id='target' style='-webkit-text-size-adjust: none; font: -apple-system-body;'>Hello</div></body></html>";

     auto webView = adoptNS([[TextStyleFontSizeWebView alloc] initWithFrame:CGRectMake(0, 0, 960, 360)]);
     [webView synchronouslyLoadHTMLString:testMarkup];
     auto actual = [webView stringByEvaluatingJavaScript:@"parseInt(window.getComputedStyle(document.getElementById('target')).getPropertyValue('font-size'))"].integerValue;

     ASSERT_EQ(actual, expected);
 }

 TEST(TextStyleFontSize, AfterCrash)
 {
     auto *originalContentSizeCategory = static_cast<NSString *>(WebCore::RenderThemeCocoa::singleton().contentSizeCategory());
     auto *preferredContentSizeCategory = [[UIApplication sharedApplication] preferredContentSizeCategory];
     ASSERT_TRUE((!originalContentSizeCategory && !preferredContentSizeCategory) || [originalContentSizeCategory isEqualToString:preferredContentSizeCategory]);

     WebCore::RenderThemeIOS::setContentSizeCategory(contentSizeCategory);

     auto descriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(kCTUIFontTextStyleBody, contentSizeCategory, nullptr));
     auto sizeNumber = adoptCF(CTFontDescriptorCopyAttribute(descriptor.get(), kCTFontSizeAttribute));
     auto expected = static_cast<NSNumber *>(sizeNumber.get()).integerValue;

     static NSString *testMarkup = @"<html><head></head><body><div id='target' style='-webkit-text-size-adjust: none; font: -apple-system-body;'>Hello</div></body></html>";

     auto webView = adoptNS([[TextStyleFontSizeWebView alloc] initWithFrame:CGRectMake(0, 0, 960, 360)]);
     [webView synchronouslyLoadHTMLString:testMarkup];
     [webView _killWebContentProcessAndResetState];
     [webView synchronouslyLoadHTMLString:testMarkup];
     auto actual = [webView stringByEvaluatingJavaScript:@"parseInt(window.getComputedStyle(document.getElementById('target')).getPropertyValue('font-size'))"].integerValue;

     ASSERT_EQ(actual, expected);

     WebCore::RenderThemeIOS::setContentSizeCategory(String());
 }

 #endif // PLATFORM(IOS_FAMILY)
	/*
	* Copyright (C) 2021 Apple Inc. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	* THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#import "config.h"

	#import "InstanceMethodSwizzler.h"
	#import "TestWKWebView.h"
	#import "UIKitSPI.h"
	#import <WebKit/WKPreferencesPrivate.h>
	#import <WebKit/WKPreferencesRef.h>
	#import <WebKit/WKWebViewPrivate.h>

	#if PLATFORM(IOS_FAMILY)

	#include <WebCore/RenderThemeIOS.h>

	static auto contentSizeCategory = kCTFontContentSizeCategoryXXXL;

	@interface TextStyleFontSizeWebView : TestWKWebView

	@end

	@implementation TextStyleFontSizeWebView

	- (NSString *)_contentSizeCategory
	{
	return static_cast<NSString *>(contentSizeCategory);
	}

	@end

	TEST(TextStyleFontSize, Startup)
	{
	auto descriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(kCTUIFontTextStyleBody, contentSizeCategory, nullptr));
	auto sizeNumber = adoptCF(CTFontDescriptorCopyAttribute(descriptor.get(), kCTFontSizeAttribute));
	auto expected = static_cast<NSNumber *>(sizeNumber.get()).integerValue;

	static NSString *testMarkup = @"<html><head></head><body><div id='target' style='-webkit-text-size-adjust: none; font: -apple-system-body;'>Hello</div></body></html>";

	auto webView = adoptNS([[TextStyleFontSizeWebView alloc] initWithFrame:CGRectMake(0, 0, 960, 360)]);
	[webView synchronouslyLoadHTMLString:testMarkup];
	auto actual = [webView stringByEvaluatingJavaScript:@"parseInt(window.getComputedStyle(document.getElementById('target')).getPropertyValue('font-size'))"].integerValue;

	ASSERT_EQ(actual, expected);
	}

	TEST(TextStyleFontSize, AfterCrash)
	{
	auto originalContentSizeCategory = static_cast<NSString >(WebCore::RenderThemeCocoa::singleton().contentSizeCategory());
	auto *preferredContentSizeCategory = [[UIApplication sharedApplication] preferredContentSizeCategory];
	ASSERT_TRUE((!originalContentSizeCategory && !preferredContentSizeCategory) \|\| [originalContentSizeCategory isEqualToString:preferredContentSizeCategory]);

	WebCore::RenderThemeIOS::setContentSizeCategory(contentSizeCategory);

	auto descriptor = adoptCF(CTFontDescriptorCreateWithTextStyle(kCTUIFontTextStyleBody, contentSizeCategory, nullptr));
	auto sizeNumber = adoptCF(CTFontDescriptorCopyAttribute(descriptor.get(), kCTFontSizeAttribute));
	auto expected = static_cast<NSNumber *>(sizeNumber.get()).integerValue;

	static NSString *testMarkup = @"<html><head></head><body><div id='target' style='-webkit-text-size-adjust: none; font: -apple-system-body;'>Hello</div></body></html>";

	auto webView = adoptNS([[TextStyleFontSizeWebView alloc] initWithFrame:CGRectMake(0, 0, 960, 360)]);
	[webView synchronouslyLoadHTMLString:testMarkup];
	[webView _killWebContentProcessAndResetState];
	[webView synchronouslyLoadHTMLString:testMarkup];
	auto actual = [webView stringByEvaluatingJavaScript:@"parseInt(window.getComputedStyle(document.getElementById('target')).getPropertyValue('font-size'))"].integerValue;

	ASSERT_EQ(actual, expected);

	WebCore::RenderThemeIOS::setContentSizeCategory(String());
	}

	#endif // PLATFORM(IOS_FAMILY)