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CSSParser.cpp
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90 lines (80 loc) · 4.58 KB
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/*
* Copyright (C) 2014 Igalia, S.L. 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 <WebCore/CSSGridIntegerRepeatValue.h>
#include <WebCore/CSSParser.h>
#include <WebCore/CSSValueList.h>
#include <WebCore/StyleProperties.h>
namespace TestWebKitAPI {
using namespace WebCore;
static unsigned computeNumberOfTracks(CSSValueList& valueList)
{
unsigned numberOfTracks = 0;
for (const auto& value : valueList) {
if (value->isGridLineNamesValue())
continue;
if (is<CSSGridIntegerRepeatValue>(value)) {
auto& repeatValue = downcast<CSSGridIntegerRepeatValue>(value.get());
numberOfTracks += repeatValue.repetitions() * computeNumberOfTracks(repeatValue);
continue;
}
++numberOfTracks;
}
return numberOfTracks;
}
TEST(CSSPropertyParserTest, GridTrackLimits)
{
struct {
const CSSPropertyID propertyID;
const char* input;
const size_t output;
} testCases[] = {
{CSSPropertyGridTemplateColumns, "grid-template-columns: repeat(999999, 20px);", 999999},
{CSSPropertyGridTemplateRows, "grid-template-rows: repeat(999999, 20px);", 999999},
{CSSPropertyGridTemplateColumns, "grid-template-columns: repeat(1000000, 10%);", 1000000},
{CSSPropertyGridTemplateRows, "grid-template-rows: repeat(1000000, 10%);", 1000000},
{CSSPropertyGridTemplateColumns, "grid-template-columns: repeat(1000000, [first] -webkit-min-content [last]);", 1000000},
{CSSPropertyGridTemplateRows, "grid-template-rows: repeat(1000000, [first] -webkit-min-content [last]);", 1000000},
{CSSPropertyGridTemplateColumns, "grid-template-columns: repeat(1000001, auto);", 1000000},
{CSSPropertyGridTemplateRows, "grid-template-rows: repeat(1000001, auto);", 1000000},
{CSSPropertyGridTemplateColumns, "grid-template-columns: repeat(400000, 2em minmax(10px, -webkit-max-content) 0.5fr);", 999999},
{CSSPropertyGridTemplateRows, "grid-template-rows: repeat(400000, 2em minmax(10px, -webkit-max-content) 0.5fr);", 999999},
{CSSPropertyGridTemplateColumns, "grid-template-columns: repeat(600000, [first] 3vh 10% 2fr [nav] 10px auto 1fr 6em [last]);", 999999},
{CSSPropertyGridTemplateRows, "grid-template-rows: repeat(600000, [first] 3vh 10% 2fr [nav] 10px auto 1fr 6em [last]);", 999999},
{CSSPropertyGridTemplateColumns, "grid-template-columns: repeat(100000000000000000000, 10% 1fr);", 1000000},
{CSSPropertyGridTemplateRows, "grid-template-rows: repeat(100000000000000000000, 10% 1fr);", 1000000},
{CSSPropertyGridTemplateColumns, "grid-template-columns: repeat(100000000000000000000, 10% 5em 1fr auto auto 15px -webkit-min-content);", 999999},
{CSSPropertyGridTemplateRows, "grid-template-rows: repeat(100000000000000000000, 10% 5em 1fr auto auto 15px -webkit-min-content);", 999999},
};
CSSParser parser(strictCSSParserContext());
auto properties = MutableStyleProperties::create();
for (auto& testCase : testCases) {
ASSERT_TRUE(parser.parseDeclaration(properties, testCase.input));
RefPtr<CSSValue> value = properties->getPropertyCSSValue(testCase.propertyID);
ASSERT_TRUE(value->isValueList());
EXPECT_EQ(computeNumberOfTracks(*downcast<CSSValueList>(value.get())), testCase.output);
}
}
} // namespace TestWebKitAPI