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/*
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* 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 THE COPYRIGHT HOLDER "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 THE COPYRIGHT HOLDER 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 "Test.h"
#include <WebCore/StyleGradient.h>
namespace TestWebKitAPI {
using namespace WebCore::CSS::Literals;
static WebCore::Style::GradientLinearColorStopList cacheableStops()
{
return {
{
WebCore::Style::Color { WebCore::Style::ResolvedColor { WebCore::Color::red } },
50_css_percentage
},
{
WebCore::Style::Color { WebCore::Style::ResolvedColor { WebCore::Color::blue } },
100_css_percentage
}
};
}
static WebCore::Style::GradientLinearColorStopList someUncacheableStops()
{
return {
{
WebCore::Style::Color { WebCore::Style::CurrentColor { } },
50_css_percentage
},
{
WebCore::Style::Color { WebCore::Style::ResolvedColor { WebCore::Color::blue } },
100_css_percentage
}
};
}
static WebCore::Style::GradientLinearColorStopList allUncacheableStops()
{
return {
{
WebCore::Style::Color { WebCore::Style::CurrentColor { } },
50_css_percentage
},
{
WebCore::Style::Color { WebCore::Style::CurrentColor { } },
100_css_percentage
}
};
}
static WebCore::Style::Gradient gradientWithStops(WebCore::Style::GradientLinearColorStopList stops)
{
return WebCore::FunctionNotation<WebCore::CSSValueLinearGradient, WebCore::Style::LinearGradient> {
.parameters = {
.colorInterpolationMethod = WebCore::CSS::GradientColorInterpolationMethod {
.method = { WebCore::ColorInterpolationMethod::SRGB { }, WebCore::AlphaPremultiplication::Premultiplied },
.defaultMethod = WebCore::CSS::GradientColorInterpolationMethod::Default::SRGB,
},
.gradientLine = WebCore::CSS::Horizontal { WebCore::CSS::Keyword::Left { } },
.stops = stops
}
};
}
TEST(WebCore, StyleGradientStopsAreCacheable)
{
auto cacheableGradient = gradientWithStops(cacheableStops());
ASSERT_TRUE(WebCore::Style::stopsAreCacheable(cacheableGradient));
auto uncacheableGradient1 = gradientWithStops(someUncacheableStops());
ASSERT_FALSE(WebCore::Style::stopsAreCacheable(uncacheableGradient1));
auto uncacheableGradient2 = gradientWithStops(allUncacheableStops());
ASSERT_FALSE(WebCore::Style::stopsAreCacheable(uncacheableGradient2));
}
} // namespace TestWebKitAPI
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