Add more SVG-related mapLocalToAncestor/mapAncestorToLocal tests

third_party/WebKit/Source/core/layout/MapCoordinatesTest.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/layout/LayoutInline.h"
 #include "core/layout/LayoutTestHelper.h"
 #include "core/layout/LayoutView.h"
 #include "platform/geometry/TransformState.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 960 matching lines @@
 
     LayoutObject* target = getLayoutObjectByElementId("target");
     LayoutBox* container = toLayoutBox(getLayoutObjectByElementId("container"));
 
     FloatPoint mappedPoint = mapLocalToAncestor(target, container, FloatPoint());
     EXPECT_EQ(FloatPoint(200, 100), mappedPoint);
     mappedPoint = mapAncestorToLocal(target, container, mappedPoint);
     EXPECT_EQ(FloatPoint(), mappedPoint);
 }
 
+TEST_F(MapCoordinatesTest, SVGShapeWithViewBoxWithNonZeroOffset)
+{
+    setBodyInnerHTML(
+        "<svg id='container' viewBox='100 100 200 200' width='400' height='200'>"
+        "    <g transform='translate(100 50)'>"
+        "        <rect id='target' transform='translate(100 100)' width='100' height='100'/>"
+        "    </g>"
+        "</svg>");
+
+    LayoutObject* target = getLayoutObjectByElementId("target");
+    LayoutBox* container = toLayoutBox(getLayoutObjectByElementId("container"));
+
+    FloatPoint mappedPoint = mapLocalToAncestor(target, container, FloatPoint());
+    EXPECT_EQ(FloatPoint(200, 50), mappedPoint);
+    mappedPoint = mapAncestorToLocal(target, container, mappedPoint);
+    EXPECT_EQ(FloatPoint(), mappedPoint);
+}
+
+TEST_F(MapCoordinatesTest, SVGShapeWithViewBoxWithNonZeroOffsetAndScale)
+{
+    setBodyInnerHTML(
+        "<svg id='container' viewBox='100 100 100 100' width='400' height='200'>"
+        "    <g transform='translate(50 50)'>"
+        "        <rect id='target' transform='translate(100 100)' width='100' height='100'/>"
+        "    </g>"
+        "</svg>");
+
+    LayoutObject* target = getLayoutObjectByElementId("target");
+    LayoutBox* container = toLayoutBox(getLayoutObjectByElementId("container"));
+
+    FloatPoint mappedPoint = mapLocalToAncestor(target, container, FloatPoint());
+    EXPECT_EQ(FloatPoint(200, 100), mappedPoint);
+    mappedPoint = mapAncestorToLocal(target, container, mappedPoint);
+    EXPECT_EQ(FloatPoint(), mappedPoint);
+}
+
 TEST_F(MapCoordinatesTest, SVGForeignObject)
 {
     setBodyInnerHTML(
         "<svg id='container' viewBox='0 0 100 100' width='400' height='200'>"
         "    <g transform='translate(50 50)'>"
         "        <foreignObject transform='translate(-25 -25)'>"
         "            <div xmlns='http://www.w3.org/1999/xhtml' id='target' style='margin-left: 50px; border: 42px; padding: 84px; width: 50px; height: 50px'>"
         "            </div>"
         "        </foreignObject>"
         "    </g>"
@@ skipping 12 matching lines @@
     EXPECT_EQ(FloatPoint(25, -25), mappedPoint);
     // <foreignObject>
     mappedPoint = mapAncestorToLocal(target->parent(), container, FloatPoint(250, 50));
     EXPECT_EQ(FloatPoint(50, 0), mappedPoint);
     // <div>
     mappedPoint = mapAncestorToLocal(target, container, FloatPoint(250, 50));
     EXPECT_EQ(FloatPoint(), mappedPoint);
 }
 
 } // namespace blink