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/*
* Copyright (C) 2025 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 "Test.h"
#include "WebCoreTestUtilities.h"
#include <WebCore/FloatSegment.h>
namespace TestWebKitAPI {
using namespace WebCore;
TEST(FloatSegment, DilateWithDifference)
{
// Empty a.
{
Vector<FloatSegment> intersections { { 77.f, 88.f } };
auto result = differenceWithDilation({ 0, 0 }, WTFMove(intersections), 0.5f);
Vector<FloatSegment> expected { };
EXPECT_EQ(result, expected);
}
// Empty bs.
{
Vector<FloatSegment> intersections { };
auto result = differenceWithDilation({ 0, 170.f }, WTFMove(intersections), 0.5f);
Vector<FloatSegment> expected { { 0.f, 170.f } };
EXPECT_EQ(result, expected);
}
// First element removed due to dilation filtering.
{
Vector<FloatSegment> intersections { { 1.0f, 2.f } };
auto result = differenceWithDilation({ 0, 170.f }, WTFMove(intersections), 0.5f);
Vector<FloatSegment> expected { { 2.5f, 170.f } };
EXPECT_EQ(result, expected);
}
// Last element removed due to dilation filtering.
{
Vector<FloatSegment> intersections { { 66.f, 169.7f } };
auto result = differenceWithDilation({ 0, 170.f }, WTFMove(intersections), 0.5f);
Vector<FloatSegment> expected { { 0.f, 65.5f } };
EXPECT_EQ(result, expected);
}
// All removed.
{
Vector<FloatSegment> intersections { { 0.5f, 80.f }, { 80.5f, 169.5f } };
auto result = differenceWithDilation({ 0, 170.f }, WTFMove(intersections), 0.5f);
Vector<FloatSegment> expected { };
EXPECT_EQ(result, expected);
}
// All removed.
{
Vector<FloatSegment> intersections { { 0.0f, 80.f }, { 80.f, 180.f } };
auto result = differenceWithDilation({ 0, 170.f }, WTFMove(intersections), 0.f);
Vector<FloatSegment> expected { };
EXPECT_EQ(result, expected);
}
// Normal operation.
{
Vector<FloatSegment> intersections { { 1.1f, 2.f } };
auto result = differenceWithDilation({ 0, 170.f }, WTFMove(intersections), 0.5f);
Vector<FloatSegment> expected { { 0.f, 0.6f }, { 2.5f, 170.f } };
EXPECT_EQ(result, expected);
}
{
Vector<FloatSegment> intersections { { 0.f, 1.f }, { 5.f, 77.f } };
auto result = differenceWithDilation({ 0, 170.f }, WTFMove(intersections), 0.5f);
Vector<FloatSegment> expected { { 1.5f, 4.5f }, { 77.5f, 170.f } };
EXPECT_EQ(result, expected);
}
{
Vector<FloatSegment> intersections { { 0.f, 1.f } };
auto result = differenceWithDilation({ 0, 170.f }, WTFMove(intersections), 0.5f);
Vector<FloatSegment> expected { { 1.5f, 170.f } };
EXPECT_EQ(result, expected);
}
{
Vector<FloatSegment> intersections { { 2.f, 6.f }, { 8.f, 77.f }, { 3.f, 4.f } };
auto result = differenceWithDilation({ 0, 170.f }, WTFMove(intersections), 0.5f);
Vector<FloatSegment> expected { { 0.f, 1.5f }, { 6.5f, 7.5f }, { 77.5f, 170.f } };
EXPECT_EQ(result, expected);
}
{
Vector<FloatSegment> intersections { { 2.f, 6.f }, { 8.f, 77.f }, { 3.f, 4.f } };
auto result = differenceWithDilation({ 0, 170.f }, WTFMove(intersections), 0.f);
Vector<FloatSegment> expected { { 0.f, 2.f }, { 6.f, 8.f }, { 77.f, 170.f } };
EXPECT_EQ(result, expected);
}
// Out of range, after end.
{
Vector<FloatSegment> intersections { { 180.f, 188.f } };
auto result = differenceWithDilation({ 0, 170.f }, WTFMove(intersections), 0.5f);
Vector<FloatSegment> expected { { 0.f, 170.f } };
EXPECT_EQ(result, expected);
}
// Out of range, before begin.
{
Vector<FloatSegment> intersections { { -188.f, -180.f } };
auto result = differenceWithDilation({ 0, 170.f }, WTFMove(intersections), 0.5f);
Vector<FloatSegment> expected { { 0.f, 170.f } };
EXPECT_EQ(result, expected);
}
}
}
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