1 files changed, 598 insertions, 0 deletions
diff --git a/Tools/TestWebKitAPI/Tests/WebCore/FloatPoint.cpp b/Tools/TestWebKitAPI/Tests/WebCore/FloatPoint.cpp
new file mode 100644
index 000000000..24c0ff9e3
--- /dev/null
+++ b/Tools/TestWebKitAPI/Tests/WebCore/FloatPoint.cpp
@@ -0,0 +1,598 @@
+/*
+ * Copyright (C) 2016 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/AffineTransform.h>
+#include <WebCore/FloatPoint.h>
+#include <WebCore/FloatSize.h>
+#include <WebCore/IntPoint.h>
+#include <WebCore/IntSize.h>
+#include <WebCore/TransformationMatrix.h>
+
+#if USE(CG)
+#include <CoreGraphics/CoreGraphics.h>
+#endif
+
+#if PLATFORM(WIN)
+#include <d2d1.h>
+#endif
+
+namespace TestWebKitAPI {
+
+static void testGetAndSet(WebCore::FloatPoint point)
+{
+    point.setX(1.1f);
+    EXPECT_FLOAT_EQ(1.1f, point.x());
+    point.setY(2.2f);
+    EXPECT_FLOAT_EQ(2.2f, point.y());
+
+    point.set(9.9f, 8.8f);
+    EXPECT_FLOAT_EQ(9.9f, point.x());
+    EXPECT_FLOAT_EQ(8.8f, point.y());
+}
+
+TEST(FloatPoint, DefaultConstruction)
+{
+    WebCore::FloatPoint test;
+
+    EXPECT_FLOAT_EQ(0, test.x());
+    EXPECT_FLOAT_EQ(0, test.y());
+
+    testGetAndSet(test);
+}
+
+TEST(FloatPoint, ValueConstruction)
+{
+    WebCore::FloatPoint test(9.9f, 8.8f);
+
+    EXPECT_FLOAT_EQ(9.9f, test.x());
+    EXPECT_FLOAT_EQ(8.8f, test.y());
+
+    testGetAndSet(test);
+}
+
+TEST(FloatPoint, ZeroConstruction)
+{
+    WebCore::FloatPoint test = WebCore::FloatPoint::zero();
+
+    EXPECT_FLOAT_EQ(0, test.x());
+    EXPECT_FLOAT_EQ(0, test.y());
+}
+
+TEST(FloatPoint, IntPointConstruction)
+{
+    WebCore::IntPoint testInput(2003, 1997);
+    WebCore::FloatPoint test = WebCore::FloatPoint(testInput);
+
+    EXPECT_FLOAT_EQ(2003.0f, test.x());
+    EXPECT_FLOAT_EQ(1997.0f, test.y());
+}
+
+TEST(FloatPoint, FloatSizeConstruction)
+{
+    WebCore::FloatSize testInput(500.7f, 300.2f);
+    WebCore::FloatPoint test = WebCore::FloatPoint(testInput);
+
+    EXPECT_FLOAT_EQ(500.7, test.x());
+    EXPECT_FLOAT_EQ(300.2, test.y());
+}
+
+TEST(FloatPoint, MoveByFloat)
+{
+    WebCore::FloatPoint test(100.0f, 200.0f);
+
+    EXPECT_FLOAT_EQ(100.0f, test.x());
+    EXPECT_FLOAT_EQ(200.0f, test.y());
+
+    test.move(20.2f, 30.3f);
+
+    EXPECT_FLOAT_EQ(120.2f, test.x());
+    EXPECT_FLOAT_EQ(230.3f, test.y());
+
+    test.move(-81.3f, 10.0f);
+
+    EXPECT_FLOAT_EQ(38.9f, test.x());
+    EXPECT_FLOAT_EQ(240.3f, test.y());
+
+    test.move(11.1f, -33.2f);
+
+    EXPECT_FLOAT_EQ(50.0f, test.x());
+    EXPECT_FLOAT_EQ(207.1f, test.y());
+
+    test.move(-5.6f, -9.8f);
+
+    EXPECT_FLOAT_EQ(44.4f, test.x());
+    EXPECT_FLOAT_EQ(197.3f, test.y());
+}
+
+TEST(FloatPoint, MoveByIntSize)
+{
+    WebCore::FloatPoint test(100.0f, 200.0f);
+
+    EXPECT_FLOAT_EQ(100.0f, test.x());
+    EXPECT_FLOAT_EQ(200.0f, test.y());
+
+    WebCore::IntSize first(20, 30);
+
+    test.move(first);
+
+    EXPECT_FLOAT_EQ(120.0f, test.x());
+    EXPECT_FLOAT_EQ(230.0f, test.y());
+
+    WebCore::IntSize second(-81, 10);
+
+    test.move(second);
+
+    EXPECT_FLOAT_EQ(39.0f, test.x());
+    EXPECT_FLOAT_EQ(240.0f, test.y());
+
+    WebCore::IntSize third(11, -33);
+
+    test.move(third);
+
+    EXPECT_FLOAT_EQ(50.0f, test.x());
+    EXPECT_FLOAT_EQ(207.0f, test.y());
+
+    WebCore::IntSize fourth(-6, -10);
+
+    test.move(fourth);
+
+    EXPECT_FLOAT_EQ(44.0f, test.x());
+    EXPECT_FLOAT_EQ(197.0f, test.y());
+}
+
+TEST(FloatPoint, MoveByFloatSize)
+{
+    WebCore::FloatPoint test(100.0f, 200.0f);
+
+    EXPECT_FLOAT_EQ(100.0f, test.x());
+    EXPECT_FLOAT_EQ(200.0f, test.y());
+
+    WebCore::FloatSize first(20.2f, 30.3f);
+
+    test.move(first);
+
+    EXPECT_FLOAT_EQ(120.2f, test.x());
+    EXPECT_FLOAT_EQ(230.3f, test.y());
+
+    WebCore::FloatSize second(-81.3f, 10.0f);
+
+    test.move(second);
+
+    EXPECT_FLOAT_EQ(38.9f, test.x());
+    EXPECT_FLOAT_EQ(240.3f, test.y());
+
+    WebCore::FloatSize third(11.1f, -33.2f);
+
+    test.move(third);
+
+    EXPECT_FLOAT_EQ(50.0f, test.x());
+    EXPECT_FLOAT_EQ(207.1f, test.y());
+
+    WebCore::FloatSize fourth(-5.6f, -9.8f);
+
+    test.move(fourth);
+
+    EXPECT_FLOAT_EQ(44.4f, test.x());
+    EXPECT_FLOAT_EQ(197.3f, test.y());
+}
+
+TEST(FloatPoint, MoveByIntPoint)
+{
+    WebCore::FloatPoint test(100.0f, 200.0f);
+
+    EXPECT_FLOAT_EQ(100.0f, test.x());
+    EXPECT_FLOAT_EQ(200.0f, test.y());
+
+    WebCore::IntPoint first(20, 30);
+
+    test.moveBy(first);
+
+    EXPECT_FLOAT_EQ(120.0f, test.x());
+    EXPECT_FLOAT_EQ(230.0f, test.y());
+
+    WebCore::IntPoint second(-81, 10);
+
+    test.moveBy(second);
+
+    EXPECT_FLOAT_EQ(39.0f, test.x());
+    EXPECT_FLOAT_EQ(240.0f, test.y());
+
+    WebCore::IntPoint third(11, -33);
+
+    test.moveBy(third);
+
+    EXPECT_FLOAT_EQ(50.0f, test.x());
+    EXPECT_FLOAT_EQ(207.0f, test.y());
+
+    WebCore::IntPoint fourth(-6, -10);
+
+    test.moveBy(fourth);
+
+    EXPECT_FLOAT_EQ(44.0f, test.x());
+    EXPECT_FLOAT_EQ(197.0f, test.y());
+}
+
+TEST(FloatPoint, MoveByFloatPoint)
+{
+    WebCore::FloatPoint test(100.0f, 200.0f);
+
+    EXPECT_FLOAT_EQ(100.0f, test.x());
+    EXPECT_FLOAT_EQ(200.0f, test.y());
+
+    WebCore::FloatPoint first(20.2f, 30.3f);
+
+    test.moveBy(first);
+
+    EXPECT_FLOAT_EQ(120.2f, test.x());
+    EXPECT_FLOAT_EQ(230.3f, test.y());
+
+    WebCore::FloatPoint second(-81.3f, 10.0f);
+
+    test.moveBy(second);
+
+    EXPECT_FLOAT_EQ(38.9f, test.x());
+    EXPECT_FLOAT_EQ(240.3f, test.y());
+
+    WebCore::FloatPoint third(11.1f, -33.2f);
+
+    test.moveBy(third);
+
+    EXPECT_FLOAT_EQ(50.0f, test.x());
+    EXPECT_FLOAT_EQ(207.1f, test.y());
+
+    WebCore::FloatPoint fourth(-5.6f, -9.8f);
+
+    test.moveBy(fourth);
+
+    EXPECT_FLOAT_EQ(44.4f, test.x());
+    EXPECT_FLOAT_EQ(197.3f, test.y());
+}
+
+TEST(FloatPoint, Scale)
+{
+    WebCore::FloatPoint test(100.0f, 200.0f);
+
+    EXPECT_FLOAT_EQ(100.0f, test.x());
+    EXPECT_FLOAT_EQ(200.0f, test.y());
+
+    test.scale(2.0f, 2.0f);
+
+    EXPECT_FLOAT_EQ(200.0f, test.x());
+    EXPECT_FLOAT_EQ(400.0f, test.y());
+
+    test.scale(0.5f, 0.5f);
+
+    EXPECT_FLOAT_EQ(100.0f, test.x());
+    EXPECT_FLOAT_EQ(200.0f, test.y());
+
+    test.scale(2);
+
+    EXPECT_FLOAT_EQ(200.0f, test.x());
+    EXPECT_FLOAT_EQ(400.0f, test.y());
+
+    test.scale(1.0f, 0.5f);
+
+    EXPECT_FLOAT_EQ(200.0f, test.x());
+    EXPECT_FLOAT_EQ(200.0f, test.y());
+}
+
+TEST(FloatPoint, Normalize)
+{
+    WebCore::FloatPoint a(30.0f, 40.0f);
+
+    a.normalize();
+
+    EXPECT_FLOAT_EQ(0.6, a.x());
+    EXPECT_FLOAT_EQ(0.8, a.y());
+}
+
+TEST(FloatPoint, Dot)
+{
+    WebCore::FloatPoint a(100.0f, 200.0f);
+    WebCore::FloatPoint b(2.0f, 4.0f);
+    WebCore::FloatPoint c(1.0f, 0.5f);
+
+    EXPECT_NEAR(1000.0f, a.dot(b), 0.0001f);
+    EXPECT_NEAR(200.0f, a.dot(c), 0.0001f);
+}
+
+TEST(FloatPoint, LengthSquared)
+{
+    WebCore::FloatPoint test(100.0f, 200.0f);
+
+    EXPECT_FLOAT_EQ(100.0f, test.x());
+    EXPECT_FLOAT_EQ(200.0f, test.y());
+
+    EXPECT_FLOAT_EQ(50000.0f, test.lengthSquared());
+}
+
+TEST(FloatPoint, ConstrainedBetween)
+{
+    WebCore::FloatPoint left(10.0f, 20.0f);
+    WebCore::FloatPoint right(100.0f, 200.0f);
+
+    WebCore::FloatPoint test1(50.0f, 80.0f);
+    WebCore::FloatPoint test2(8.0f, 80.0f);
+    WebCore::FloatPoint test3(50.0f, 220.0f);
+
+    auto constrained1 = test1.constrainedBetween(left, right);
+    EXPECT_FLOAT_EQ(50.0f, constrained1.x());
+    EXPECT_FLOAT_EQ(80.0f, constrained1.y());
+
+    auto constrained2 = test2.constrainedBetween(left, right);
+    EXPECT_FLOAT_EQ(10.0f, constrained2.x());
+    EXPECT_FLOAT_EQ(80.0f, constrained2.y());
+
+    auto constrained3 = test3.constrainedBetween(left, right);
+    EXPECT_FLOAT_EQ(50.0f, constrained3.x());
+    EXPECT_FLOAT_EQ(200.0f, constrained3.y());
+}
+
+TEST(FloatPoint, ShrunkTo)
+{
+    WebCore::FloatPoint big(100.0f, 200.0f);
+    WebCore::FloatPoint smaller(10.0f, 80.0f);
+
+    auto shrunkTo = big.shrunkTo(smaller);
+
+    EXPECT_FLOAT_EQ(10.0f, shrunkTo.x());
+    EXPECT_FLOAT_EQ(80.0f, shrunkTo.y());
+
+    WebCore::FloatPoint bigish(8.0f, 200.0f);
+
+    auto shrunkTo2 = bigish.shrunkTo(smaller);
+
+    EXPECT_FLOAT_EQ(8.0f, shrunkTo2.x());
+    EXPECT_FLOAT_EQ(80.0f, shrunkTo2.y());
+}
+
+TEST(FloatPoint, ExpandedTo)
+{
+    WebCore::FloatPoint big(100.0f, 200.0f);
+    WebCore::FloatPoint smaller(10.0f, 80.0f);
+
+    auto expandedTo = smaller.expandedTo(big);
+
+    EXPECT_FLOAT_EQ(100.0f, expandedTo.x());
+    EXPECT_FLOAT_EQ(200.0f, expandedTo.y());
+
+    WebCore::FloatPoint bigish(8.0f, 300.0f);
+
+    auto expandedTo2 = bigish.expandedTo(big);
+
+    EXPECT_FLOAT_EQ(100.0f, expandedTo2.x());
+    EXPECT_FLOAT_EQ(300.0f, expandedTo2.y());
+}
+
+TEST(FloatPoint, Transpose)
+{
+    WebCore::FloatPoint test(100.0f, 200.0f);
+
+    EXPECT_FLOAT_EQ(100.0f, test.x());
+    EXPECT_FLOAT_EQ(200.0f, test.y());
+
+    auto transposed = test.transposedPoint();
+
+    EXPECT_FLOAT_EQ(200.0f, transposed.x());
+    EXPECT_FLOAT_EQ(100.0f, transposed.y());
+}
+
+TEST(FloatPoint, Transforms)
+{
+    WebCore::FloatPoint test(100.0f, 200.0f);
+
+    WebCore::AffineTransform affine;
+
+    auto transformed1 = test.matrixTransform(affine);
+
+    EXPECT_FLOAT_EQ(100.0f, transformed1.x());
+    EXPECT_FLOAT_EQ(200.0f, transformed1.y());
+
+    WebCore::AffineTransform affine2(2.0, 0.0, 0.0, 2.0, 0.0, 0.0);
+
+    auto transformed2 = test.matrixTransform(affine2);
+
+    EXPECT_FLOAT_EQ(200.0f, transformed2.x());
+    EXPECT_FLOAT_EQ(400.0f, transformed2.y());
+
+    WebCore::TransformationMatrix matrix;
+
+    auto transformed3 = test.matrixTransform(matrix);
+
+    EXPECT_FLOAT_EQ(100.0f, transformed3.x());
+    EXPECT_FLOAT_EQ(200.0f, transformed3.y());
+
+    auto transformed4 = test.matrixTransform(affine2.toTransformationMatrix());
+
+    EXPECT_FLOAT_EQ(200.0f, transformed4.x());
+    EXPECT_FLOAT_EQ(400.0f, transformed4.y());
+}
+
+TEST(FloatPoint, Math)
+{
+    WebCore::FloatPoint a(100.0f, 200.0f);
+    WebCore::FloatPoint b(100.0f, 200.0f);
+
+    a += b;
+
+    EXPECT_FLOAT_EQ(200.0f, a.x());
+    EXPECT_FLOAT_EQ(400.0f, a.y());
+
+    WebCore::FloatSize c(50.0f, 50.0f);
+
+    a += c;
+
+    EXPECT_FLOAT_EQ(250.0f, a.x());
+    EXPECT_FLOAT_EQ(450.0f, a.y());
+
+    WebCore::FloatSize d(10.0f, 200.0f);
+
+    a -= d;
+
+    EXPECT_FLOAT_EQ(240.0f, a.x());
+    EXPECT_FLOAT_EQ(250.0f, a.y());
+
+    WebCore::FloatSize e(100.0f, 200.0f);
+
+    auto f = b + e;
+
+    EXPECT_FLOAT_EQ(200.0f, f.x());
+    EXPECT_FLOAT_EQ(400.0f, f.y());
+
+    WebCore::FloatPoint g(10.0f, 20.0f);
+
+    auto h = b + g;
+
+    EXPECT_FLOAT_EQ(110.0f, h.x());
+    EXPECT_FLOAT_EQ(220.0f, h.y());
+
+    WebCore::FloatSize i = b - g;
+
+    EXPECT_FLOAT_EQ(90.0f, i.width());
+    EXPECT_FLOAT_EQ(180.0f, i.height());
+
+    WebCore::FloatPoint j = b - e;
+
+    EXPECT_FLOAT_EQ(0.0f, j.x());
+    EXPECT_FLOAT_EQ(0.0f, j.y());
+
+    WebCore::FloatPoint negated = -b;
+
+    EXPECT_FLOAT_EQ(-100.0f, negated.x());
+    EXPECT_FLOAT_EQ(-200.0f, negated.y());
+
+    float value = b * g;
+
+    EXPECT_FLOAT_EQ(5000.0f, value);
+}
+
+TEST(FloatPoint, Equality)
+{
+    WebCore::FloatPoint a(100.0f, 200.0f);
+    WebCore::FloatPoint b(100.0f, 200.0f);
+    WebCore::FloatPoint c(10.0f, 20.0f);
+
+    ASSERT_TRUE(a == b);
+    ASSERT_FALSE(a == c);
+    ASSERT_FALSE(a != b);
+    ASSERT_TRUE(a != c);
+
+    ASSERT_TRUE(WebCore::areEssentiallyEqual(a, b));
+    ASSERT_FALSE(WebCore::areEssentiallyEqual(a, c));
+}
+
+TEST(FloatPoint, Floors)
+{
+    WebCore::FloatPoint a(100.6f, 199.9f);
+
+    WebCore::IntSize flooredSize = WebCore::flooredIntSize(a);
+    EXPECT_FLOAT_EQ(100, flooredSize.width());
+    EXPECT_FLOAT_EQ(199, flooredSize.height());
+
+    WebCore::IntPoint flooredPoint = WebCore::flooredIntPoint(a);
+    EXPECT_FLOAT_EQ(100, flooredPoint.x());
+    EXPECT_FLOAT_EQ(199, flooredPoint.y());
+
+    WebCore::FloatPoint flooredPoint1x = WebCore::floorPointToDevicePixels(a, 1.0);
+    EXPECT_FLOAT_EQ(100.0f, flooredPoint1x.x());
+    EXPECT_FLOAT_EQ(199.0f, flooredPoint1x.y());
+
+    WebCore::FloatPoint flooredPoint2x = WebCore::floorPointToDevicePixels(a, 2.0);
+    EXPECT_FLOAT_EQ(100.5f, flooredPoint2x.x());
+    EXPECT_FLOAT_EQ(199.5f, flooredPoint2x.y());
+}
+
+TEST(FloatPoint, Rounding)
+{
+    WebCore::FloatPoint a(100.4f, 199.9f);
+
+    WebCore::IntPoint roundedPoint = WebCore::roundedIntPoint(a);
+    EXPECT_FLOAT_EQ(100, roundedPoint.x());
+    EXPECT_FLOAT_EQ(200, roundedPoint.y());
+}
+
+TEST(FloatPoint, Ceiling)
+{
+    WebCore::FloatPoint a(100.4f, 199.9f);
+
+    WebCore::IntPoint ceilingPoint = WebCore::ceiledIntPoint(a);
+    EXPECT_FLOAT_EQ(101, ceilingPoint.x());
+    EXPECT_FLOAT_EQ(200, ceilingPoint.y());
+
+    WebCore::FloatPoint ceilingPoint1x = WebCore::ceilPointToDevicePixels(a, 1.0);
+    EXPECT_FLOAT_EQ(101.0f, ceilingPoint1x.x());
+    EXPECT_FLOAT_EQ(200.0f, ceilingPoint1x.y());
+
+    WebCore::FloatPoint ceilingPoint2x = WebCore::ceilPointToDevicePixels(a, 2.0);
+    EXPECT_FLOAT_EQ(100.5f, ceilingPoint2x.x());
+    EXPECT_FLOAT_EQ(200.0f, ceilingPoint2x.y());
+}
+
+TEST(FloatPoint, Casting)
+{
+    WebCore::FloatPoint a(100.4f, 199.9f);
+
+    WebCore::FloatSize floatSize = WebCore::toFloatSize(a);
+    EXPECT_FLOAT_EQ(100.4f, floatSize.width());
+    EXPECT_FLOAT_EQ(199.9f, floatSize.height());
+
+    WebCore::FloatSize b(99.6f, 299.1f);
+
+    WebCore::FloatPoint floatPoint = WebCore::toFloatPoint(b);
+    EXPECT_FLOAT_EQ(99.6f, floatPoint.x());
+    EXPECT_FLOAT_EQ(299.1f, floatPoint.y());
+
+#if USE(CG)
+    CGPoint cgPoint = a;
+
+    EXPECT_FLOAT_EQ(100.4f, cgPoint.x);
+    EXPECT_FLOAT_EQ(199.9f, cgPoint.y);
+
+    CGPoint cgPoint2 = CGPointMake(-22.3f, 14.2f);
+
+    WebCore::FloatPoint testCG(cgPoint2);
+
+    EXPECT_FLOAT_EQ(-22.3f, testCG.x());
+    EXPECT_FLOAT_EQ(14.2f, testCG.y());
+#endif
+
+#if PLATFORM(WIN)
+    D2D_POINT_2F d2dPoint = a;
+
+    EXPECT_FLOAT_EQ(100.4f, d2dPoint.x);
+    EXPECT_FLOAT_EQ(199.9f, d2dPoint.y);
+
+    D2D_POINT_2F d2dPoint2 = D2D1::Point2F(-22.3f, 14.2f);
+
+    WebCore::FloatPoint testD2D(d2dPoint2);
+
+    EXPECT_FLOAT_EQ(-22.3f, testD2D.x());
+    EXPECT_FLOAT_EQ(14.2f, testD2D.y());
+#endif
+}
+
+}