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/*
* Copyright (C) 2023 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"
#include <JavaScriptCore/InitializeThreading.h>
#include <WebCore/ComplexTextController.h>
#include <WebCore/FontCascade.h>
#include <WebCore/WidthIterator.h>
#include <wtf/MainThread.h>
#include <wtf/RunLoop.h>
using namespace WebCore;
namespace TestWebKitAPI {
#if PLATFORM(COCOA)
// FIXME when rdar://119399924 is resolved.
#if PLATFORM(MAC)
TEST(MonospaceFontsTest, DISABLED_EnsureMonospaceFontInvariants)
#else
TEST(MonospaceFontsTest, EnsureMonospaceFontInvariants)
#endif
{
RetainPtr collection = CTFontCollectionCreateFromAvailableFonts(nullptr);
RetainPtr results = adoptCF(CTFontCollectionCreateMatchingFontDescriptors(collection.get()));
if (results) {
for (unsigned i = 0, count = CFArrayGetCount(results.get()); i < count; ++i) {
RetainPtr fontDescriptor = static_cast<CTFontDescriptorRef>(CFArrayGetValueAtIndex(results.get(), i));
auto ctFont = adoptCF(CTFontCreateWithFontDescriptor(fontDescriptor.get(), 16.0, nullptr));
FontPlatformData platformData(ctFont.get(), 16.0);
FontCascade fontCascade(platformData);
if (fontCascade.canTakeFixedPitchFastContentMeasuring()) {
for (uint32_t character = 0; character <= UINT16_MAX; ++character) {
const char16_t ch = character;
StringView content(span(ch));
if (fontCascade.codePath(TextRun(content)) == FontCascade::CodePath::Complex)
continue;
constexpr bool whitespaceIsCollapsed = false;
if (!WidthIterator::characterCanUseSimplifiedTextMeasuring(character, whitespaceIsCollapsed))
continue;
auto glyphData = fontCascade.glyphDataForCharacter(character, false);
if (!glyphData.isValid() || glyphData.font != fontCascade.primaryFont().ptr())
continue;
fontCascade.fonts()->widthCache().clear();
float width = fontCascade.widthForSimpleTextWithFixedPitch(content, whitespaceIsCollapsed);
fontCascade.fonts()->widthCache().clear();
float originalWidth = fontCascade.widthForTextUsingSimplifiedMeasuring(content);
EXPECT_EQ(originalWidth , width);
}
{
const char16_t characters[] {
' ', ' ', 'a'
};
StringView content(characters);
constexpr bool whitespaceIsCollapsed = false;
fontCascade.fonts()->widthCache().clear();
float width = fontCascade.widthForSimpleTextWithFixedPitch(content, whitespaceIsCollapsed);
fontCascade.fonts()->widthCache().clear();
float originalWidth = fontCascade.widthForTextUsingSimplifiedMeasuring(content);
EXPECT_EQ(originalWidth , width);
}
}
}
}
}
#endif
}
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