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/*
* Copyright (C) 2019 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.
*/
#include "config.h"
#import "TestNavigationDelegate.h"
#import "Utilities.h"
#import <CoreText/CoreText.h>
#import <wtf/RetainPtr.h>
#import <wtf/text/WTFString.h>
TEST(WebKit, TextWidth)
{
auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
auto webView = adoptNS([[WKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
[webView loadRequest:[NSURLRequest requestWithURL:[[NSBundle mainBundle] URLForResource:@"TextWidth" withExtension:@"html" subdirectory:@"TestWebKitAPI.resources"]]];
[webView _test_waitForDidFinishNavigation];
__block bool didEvaluateJavaScript = false;
__block float webKitWidth;
[webView evaluateJavaScript:@"runTest1()" completionHandler:^(id value, NSError *error) {
webKitWidth = [(NSNumber *)value floatValue];
didEvaluateJavaScript = true;
}];
TestWebKitAPI::Util::run(&didEvaluateJavaScript);
auto font = adoptCF(CTFontCreateUIFontForLanguage(kCTFontUIFontSystem, 24, static_cast<CFStringRef>(@"en-US")));
// Use CFAttributedString so we don't have to deal with NSFont / UIFont and have this code be platform-dependent.
CFTypeRef keys[] = { kCTFontAttributeName };
CFTypeRef values[] = { font.get() };
auto attributes = adoptCF(CFDictionaryCreate(kCFAllocatorDefault, keys, values, WTF_ARRAY_LENGTH(keys), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
auto attributedString = adoptCF(CFAttributedStringCreate(kCFAllocatorDefault, CFSTR("This is a test string"), attributes.get()));
auto line = adoptCF(CTLineCreateWithAttributedString(static_cast<CFAttributedStringRef>(attributedString)));
double coreTextWidth = CTLineGetTypographicBounds(line.get(), nullptr, nullptr, nullptr);
EXPECT_NEAR(webKitWidth, coreTextWidth, 3);
}