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/*
* Copyright (C) 2024 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 <WebCore/Path.h>
namespace TestWebKitAPI {
using namespace WebCore;
TEST(Path, DefinitelyEqual)
{
Path path1;
Path path2;
const Path emptyPath;
// Empty vs. empty.
ASSERT_TRUE(path1.definitelyEqual(path2));
constexpr auto testRect = FloatRect { 23, 12, 100, 200 };
// Single segment vs. single segment.
path1.addRect(testRect);
path2.addRect(testRect);
ASSERT_TRUE(path1.definitelyEqual(path1));
ASSERT_TRUE(path1.definitelyEqual(path2));
ASSERT_TRUE(path2.definitelyEqual(path1));
// Single segment vs. impl.
path1.ensureImplForTesting();
ASSERT_TRUE(path1.definitelyEqual(path2));
ASSERT_TRUE(path2.definitelyEqual(path1));
// Impl vs. impl.
path2.ensureImplForTesting();
ASSERT_TRUE(path1.definitelyEqual(path2));
ASSERT_TRUE(path2.definitelyEqual(path1));
// Trigger impl. copying
auto pathCopy = path1;
ASSERT_TRUE(path1.definitelyEqual(pathCopy));
ASSERT_TRUE(pathCopy.definitelyEqual(path1));
// Empty vs. empty impl.
Path emptyImplPath;
emptyImplPath.ensureImplForTesting();
ASSERT_TRUE(emptyPath.definitelyEqual(emptyImplPath));
ASSERT_TRUE(emptyImplPath.definitelyEqual(emptyPath));
}
TEST(Path, DefinitelyNotEqual)
{
Path path1;
Path path2;
const Path emptyPath;
constexpr auto testRect1 = FloatRect { 23, 12, 100, 200 };
constexpr auto testRect2 = FloatRect { 23, 13, 100, 200 };
path1.addRect(testRect1);
// Single segment vs. empty.
ASSERT_FALSE(path1.definitelyEqual(emptyPath));
ASSERT_FALSE(emptyPath.definitelyEqual(path1));
// Single segment vs single segment.
path2.addRect(testRect2);
ASSERT_FALSE(path1.definitelyEqual(path2));
ASSERT_FALSE(path2.definitelyEqual(path1));
// Empty vs impl.
path1.ensureImplForTesting();
ASSERT_FALSE(emptyPath.definitelyEqual(path1));
ASSERT_FALSE(path1.definitelyEqual(emptyPath));
// Impl vs impl.
path2.ensureImplForTesting();
ASSERT_FALSE(path1.definitelyEqual(path2));
ASSERT_FALSE(path2.definitelyEqual(path1));
}
TEST(Path, CurveBoundingRect)
{
auto currentPoint = FloatPoint { 100, 0 };
auto endPoint = FloatPoint { 300, 0 };
auto controlPoint = FloatPoint { 200, 328 };
Path path1;
path1.moveTo(currentPoint);
path1.addQuadCurveTo(controlPoint, endPoint);
auto fastboundingRect1 = path1.fastBoundingRect();
auto boundingRect1 = path1.boundingRect();
ASSERT_TRUE(fastboundingRect1 != boundingRect1);
ASSERT_TRUE(fastboundingRect1.contains(boundingRect1));
// Build an equivalent cubic BezierCurve for the above QuadraticCurve.
auto controlPoint1 = currentPoint + controlPoint.scaled(2);
auto controlPoint2 = endPoint + controlPoint.scaled(2);
static const float gOneOverThree = 1 / 3.f;
controlPoint1.scale(gOneOverThree);
controlPoint2.scale(gOneOverThree);
Path path2;
path2.moveTo(currentPoint);
path2.addBezierCurveTo(controlPoint1, controlPoint2, endPoint);
auto boundingRect2 = path2.boundingRect();
ASSERT_TRUE(areEssentiallyEqual(boundingRect1, boundingRect2));
}
}
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