src/third_party/WebKit/Source/web/tests/RenderGeometryMapTest.cpp

   1 /*
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  30
  31 #include "config.h"
  32 #include "core/rendering/RenderGeometryMap.h"
  33
  34 #include "core/dom/Document.h"
  35 #include "core/rendering/RenderBox.h"
  36 #include "core/rendering/RenderLayer.h"
  37 #include "public/platform/Platform.h"
  38 #include "public/platform/WebUnitTestSupport.h"
  39 #include "public/web/WebFrameClient.h"
  40 #include "web/WebLocalFrameImpl.h"
  41 #include "web/tests/FloatPointTestHelpers.h"
  42 #include "web/tests/FloatQuadTestHelpers.h"
  43 #include "web/tests/FrameTestHelpers.h"
  44 #include "web/tests/URLTestHelpers.h"
  45 #include <gtest/gtest.h>
  46
  47 using namespace blink;
  48 using namespace blink;
  49
  50 class MockWebFrameClient : public WebFrameClient {
  51 };
  52 namespace {
  53
  54
  55 class RenderGeometryMapTest : public testing::Test {
  56 public:
  57     RenderGeometryMapTest()
  58         : m_baseURL("http://www.test.com/")
  59     {
  60     }
  61
  62     virtual void TearDown()
  63     {
  64         Platform::current()->unitTestSupport()->unregisterAllMockedURLs();
  65     }
  66
  67 protected:
  68     static RenderBox* getFrameElement(const char* iframeName, WebView* webView, const WTF::AtomicString& elementId)
  69     {
  70         WebLocalFrameImpl* iframe = toWebLocalFrameImpl(webView->findFrameByName(WebString::fromUTF8(iframeName)));
  71         if (!iframe)
  72             return nullptr;
  73         LocalFrame* frame = iframe->frame();
  74         Document* doc = frame->document();
  75         Element* element = doc->getElementById(elementId);
  76         if (!element)
  77             return nullptr;
  78         return element->renderBox();
  79     }
  80
  81     static RenderBox* getRenderBox(WebView* webView, const WTF::AtomicString& elementId)
  82     {
  83         WebViewImpl* webViewImpl = toWebViewImpl(webView);
  84         if (!webViewImpl)
  85             return nullptr;
  86         LocalFrame* frame = webViewImpl->mainFrameImpl()->frame();
  87         Document* doc = frame->document();
  88         Element* element = doc->getElementById(elementId);
  89         if (!element)
  90             return nullptr;
  91         return element->renderBox();
  92     }
  93
  94     static const RenderLayerModelObject* getRenderContainer(WebView* webView, const WTF::AtomicString &elementId)
  95     {
  96         RenderBox* rb = getRenderBox(webView, elementId);
  97         if (!rb)
  98             return nullptr;
  99         RenderLayer* compositingLayer = rb->enclosingLayer()->enclosingLayerForPaintInvalidation();
 100         if (!compositingLayer)
 101             return nullptr;
 102         return compositingLayer->renderer();
 103     }
 104
 105     static const RenderLayerModelObject* getFrameRenderContainer(const char* frameId, WebView* webView, const WTF::AtomicString &elementId)
 106     {
 107         RenderBox* rb = getFrameElement(frameId, webView, elementId);
 108         if (!rb)
 109             return nullptr;
 110         RenderLayer* compositingLayer = rb->enclosingLayer()->enclosingLayerForPaintInvalidation();
 111         if (!compositingLayer)
 112             return nullptr;
 113         return compositingLayer->renderer();
 114     }
 115
 116     static const FloatRect rectFromQuad(const FloatQuad& quad)
 117     {
 118         FloatRect rect;
 119         rect.setX(std::min(quad.p1().x(), std::min(quad.p2().x(), std::min(quad.p3().x(), quad.p4().x()))));
 120         rect.setY(std::min(quad.p1().y(), std::min(quad.p2().y(), std::min(quad.p3().y(), quad.p4().y()))));
 121
 122         rect.setWidth(std::max(quad.p1().x(), std::max(quad.p2().x(), std::max(quad.p3().x(), quad.p4().x()))) - rect.x());
 123         rect.setHeight(std::max(quad.p1().y(), std::max(quad.p2().y(), std::max(quad.p3().y(), quad.p4().y()))) - rect.y());
 124         return rect;
 125     }
 126
 127     void registerMockedHttpURLLoad(const std::string& fileName)
 128     {
 129         URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(m_baseURL.c_str()), WebString::fromUTF8(fileName.c_str()));
 130     }
 131
 132     const std::string m_baseURL;
 133     MockWebFrameClient m_mockWebViewClient;
 134 };
 135
 136 TEST_F(RenderGeometryMapTest, SimpleGeometryMapTest)
 137 {
 138     registerMockedHttpURLLoad("rgm_test.html");
 139     FrameTestHelpers::WebViewHelper webViewHelper;
 140     WebView* webView = webViewHelper.initializeAndLoad(m_baseURL + "rgm_test.html", true, 0, 0);
 141     webView->resize(WebSize(1000, 1000));
 142     webView->layout();
 143
 144     // We are going test everything twice. Once with FloatPoints and once with
 145     // FloatRects. This is because RenderGeometryMap treats both slightly
 146     // differently
 147     RenderGeometryMap rgm;
 148     rgm.pushMappingsToAncestor(getRenderBox(webView, "InitialDiv"), 0);
 149     FloatPoint point;
 150     FloatRect rect(0.0f, 0.0f, 1.0f, 2.0f);
 151     EXPECT_EQ(FloatPoint(8.0f, 8.0f), rgm.mapToContainer(point, nullptr));
 152     EXPECT_EQ(FloatQuad(FloatRect(8.0f, 8.0f, 1.0f, 2.0f)), rgm.mapToContainer(rect, nullptr));
 153
 154     rgm.popMappingsToAncestor(static_cast<RenderLayer*>(nullptr));
 155     EXPECT_EQ(FloatPoint(0.0f, 0.0f), rgm.mapToContainer(point, nullptr));
 156     EXPECT_EQ(FloatQuad(FloatRect(0.0f, 0.0f, 1.0f, 2.0f)), rgm.mapToContainer(rect, nullptr));
 157
 158     rgm.pushMappingsToAncestor(getRenderBox(webView, "InnerDiv"), 0);
 159     EXPECT_EQ(FloatPoint(21.0f, 6.0f), rgm.mapToContainer(point, getRenderBox(webView, "CenterDiv")));
 160     EXPECT_EQ(FloatQuad(FloatRect(21.0f, 6.0f, 1.0f, 2.0f)), rgm.mapToContainer(rect, getRenderBox(webView, "CenterDiv")));
 161
 162     rgm.pushMappingsToAncestor(getRenderBox(webView, "OtherDiv"), getRenderBox(webView, "InnerDiv"));
 163     EXPECT_EQ(FloatPoint(22.0f, 12.0f), rgm.mapToContainer(point, getRenderBox(webView, "CenterDiv")));
 164     EXPECT_EQ(FloatQuad(FloatRect(22.0f, 12.0f, 1.0f, 2.0f)), rgm.mapToContainer(rect, getRenderBox(webView, "CenterDiv")));
 165
 166     EXPECT_EQ(FloatPoint(1.0f, 6.0f), rgm.mapToContainer(point, getRenderBox(webView, "InnerDiv")));
 167     EXPECT_EQ(FloatQuad(FloatRect(1.0f, 6.0f, 1.0f, 2.0f)), rgm.mapToContainer(rect, getRenderBox(webView, "InnerDiv")));
 168
 169     EXPECT_EQ(FloatPoint(50.0f, 44.0f), rgm.mapToContainer(point, nullptr));
 170     EXPECT_EQ(FloatQuad(FloatRect(50.0f, 44.0f, 1.0f, 2.0f)), rgm.mapToContainer(rect, nullptr));
 171 }
 172
 173 // Fails on Windows due to crbug.com/391457. When run through the transform the
 174 // position on windows differs by a pixel
 175 #if OS(WIN)
 176 TEST_F(RenderGeometryMapTest, DISABLED_TransformedGeometryTest)
 177 #else
 178 TEST_F(RenderGeometryMapTest, TransformedGeometryTest)
 179 #endif
 180 {
 181     registerMockedHttpURLLoad("rgm_transformed_test.html");
 182     FrameTestHelpers::WebViewHelper webViewHelper;
 183     WebView* webView = webViewHelper.initializeAndLoad(m_baseURL + "rgm_transformed_test.html", true, 0, 0);
 184     webView->resize(WebSize(1000, 1000));
 185     webView->layout();
 186
 187     RenderGeometryMap rgm;
 188     rgm.pushMappingsToAncestor(getRenderBox(webView, "InitialDiv"), 0);
 189     FloatPoint point;
 190     const float rectWidth = 15.0f;
 191     const float scaleWidth = 2.0f;
 192     const float scaleHeight = 3.0f;
 193     FloatRect rect(0.0f, 0.0f, 15.0f, 25.0f);
 194     EXPECT_EQ(FloatPoint(8.0f, 8.0f), rgm.mapToContainer(point, nullptr));
 195     EXPECT_EQ(FloatQuad(FloatRect(8.0f, 8.0f, 15.0f, 25.0f)), rgm.mapToContainer(rect, nullptr));
 196
 197     rgm.popMappingsToAncestor(static_cast<RenderLayer*>(nullptr));
 198     EXPECT_EQ(FloatPoint(0.0f, 0.0f), rgm.mapToContainer(point, nullptr));
 199     EXPECT_EQ(FloatQuad(FloatRect(0.0f, 0.0f, 15.0f, 25.0f)), rgm.mapToContainer(rect, nullptr));
 200
 201     rgm.pushMappingsToAncestor(getRenderBox(webView, "InnerDiv"), 0);
 202     EXPECT_EQ(FloatPoint(523.0f, 6.0f), rgm.mapToContainer(point, getRenderBox(webView, "CenterDiv")));
 203     EXPECT_EQ(FloatQuad(FloatRect(523.0f - rectWidth, 6.0f, 15.0f, 25.0f)), rgm.mapToContainer(rect, getRenderBox(webView, "CenterDiv")));
 204
 205     rgm.pushMappingsToAncestor(getRenderBox(webView, "OtherDiv"), getRenderBox(webView, "InnerDiv"));
 206     EXPECT_EQ(FloatPoint(522.0f, 12.0f), rgm.mapToContainer(point, getRenderBox(webView, "CenterDiv")));
 207     EXPECT_EQ(FloatQuad(FloatRect(522.0f - rectWidth, 12.0f, 15.0f, 25.0f)), rgm.mapToContainer(rect, getRenderBox(webView, "CenterDiv")));
 208
 209     EXPECT_EQ(FloatPoint(1.0f, 6.0f), rgm.mapToContainer(point, getRenderBox(webView, "InnerDiv")));
 210     EXPECT_EQ(FloatQuad(FloatRect(1.0f, 6.0f, 15.0f, 25.0f)), rgm.mapToContainer(rect, getRenderBox(webView, "InnerDiv")));
 211
 212     EXPECT_EQ(FloatPoint(821.0f, 31.0f), rgm.mapToContainer(point, nullptr));
 213     EXPECT_EQ(FloatQuad(FloatRect(821.0f - rectWidth * scaleWidth, 31.0f, 15.0f * scaleWidth, 25.0f * scaleHeight)), rgm.mapToContainer(rect, nullptr));
 214
 215     point = FloatPoint(10.0f, 25.0f);
 216     rect = FloatRect(10.0f, 25.0f, 15.0f, 25.0f);
 217     EXPECT_EQ(FloatPoint(512.0f, 37.0f), rgm.mapToContainer(point, getRenderBox(webView, "CenterDiv")));
 218     EXPECT_EQ(FloatQuad(FloatRect(512.0f - rectWidth, 37.0f, 15.0f, 25.0f)), rgm.mapToContainer(rect, getRenderBox(webView, "CenterDiv")));
 219
 220     EXPECT_EQ(FloatPoint(11.0f, 31.0f), rgm.mapToContainer(point, getRenderBox(webView, "InnerDiv")));
 221     EXPECT_EQ(FloatQuad(FloatRect(11.0f, 31.0f, 15.0f, 25.0f)), rgm.mapToContainer(rect, getRenderBox(webView, "InnerDiv")));
 222
 223     EXPECT_EQ(FloatPoint(801.0f, 106.0f), rgm.mapToContainer(point, nullptr));
 224     EXPECT_EQ(FloatQuad(FloatRect(801.0f - rectWidth * scaleWidth, 106.0f, 15.0f * scaleWidth, 25.0f * scaleHeight)), rgm.mapToContainer(rect, nullptr));
 225 }
 226
 227 TEST_F(RenderGeometryMapTest, FixedGeometryTest)
 228 {
 229     registerMockedHttpURLLoad("rgm_fixed_position_test.html");
 230     FrameTestHelpers::WebViewHelper webViewHelper;
 231     WebView* webView = webViewHelper.initializeAndLoad(m_baseURL + "rgm_fixed_position_test.html", true, 0, 0);
 232     webView->resize(WebSize(1000, 1000));
 233     webView->layout();
 234
 235     RenderGeometryMap rgm;
 236     rgm.pushMappingsToAncestor(getRenderBox(webView, "InitialDiv"), 0);
 237     FloatPoint point;
 238     FloatRect rect(0.0f, 0.0f, 15.0f, 25.0f);
 239     EXPECT_EQ(FloatPoint(8.0f, 8.0f), rgm.mapToContainer(point, nullptr));
 240     EXPECT_EQ(FloatQuad(FloatRect(8.0f, 8.0f, 15.0f, 25.0f)), rgm.mapToContainer(rect, nullptr));
 241
 242     rgm.popMappingsToAncestor(static_cast<RenderLayer*>(nullptr));
 243     EXPECT_EQ(FloatPoint(0.0f, 0.0f), rgm.mapToContainer(point, nullptr));
 244     EXPECT_EQ(FloatQuad(FloatRect(0.0f, 0.0f, 15.0f, 25.0f)), rgm.mapToContainer(rect, nullptr));
 245
 246     rgm.pushMappingsToAncestor(getRenderBox(webView, "InnerDiv"), 0);
 247     EXPECT_EQ(FloatPoint(20.0f, 14.0f), rgm.mapToContainer(point, getRenderContainer(webView, "CenterDiv")));
 248     EXPECT_EQ(FloatQuad(FloatRect(20.0f, 14.0f, 15.0f, 25.0f)), rgm.mapToContainer(rect, nullptr));
 249
 250     rgm.pushMappingsToAncestor(getRenderBox(webView, "OtherDiv"), getRenderBox(webView, "InnerDiv"));
 251     EXPECT_EQ(FloatPoint(21.0f, 20.0f), rgm.mapToContainer(point, getRenderContainer(webView, "CenterDiv")));
 252     EXPECT_EQ(FloatQuad(FloatRect(21.0f, 20.0f, 15.0f, 25.0f)), rgm.mapToContainer(rect, getRenderContainer(webView, "CenterDiv")));
 253
 254     EXPECT_EQ(FloatPoint(21.0f, 20.0f), rgm.mapToContainer(point, getRenderContainer(webView, "InnerDiv")));
 255     EXPECT_EQ(FloatPoint(21.0f, 20.0f), rgm.mapToContainer(point, nullptr));
 256
 257     point = FloatPoint(10.0f, 25.0f);
 258     rect = FloatRect(22.0f, 15.2f, 15.3f, 0.0f);
 259     EXPECT_EQ(FloatQuad(FloatRect(43.0f, 35.2f, 15.3f, 0.0f)), rgm.mapToContainer(rect, getRenderContainer(webView, "CenterDiv")));
 260
 261     EXPECT_EQ(FloatPoint(31.0f, 45.0f), rgm.mapToContainer(point, getRenderContainer(webView, "InnerDiv")));
 262     EXPECT_EQ(FloatQuad(FloatRect(43.0f, 35.2f, 15.3f, 0.0f)), rgm.mapToContainer(rect, getRenderContainer(webView, "InnerDiv")));
 263
 264     EXPECT_EQ(FloatPoint(31.0f, 45.0f), rgm.mapToContainer(point, nullptr));
 265     EXPECT_EQ(FloatQuad(FloatRect(43.0f, 35.2f, 15.3f, 0.0f)), rgm.mapToContainer(rect, nullptr));
 266 }
 267
 268 TEST_F(RenderGeometryMapTest, IframeTest)
 269 {
 270     registerMockedHttpURLLoad("rgm_iframe_test.html");
 271     registerMockedHttpURLLoad("rgm_test.html");
 272     FrameTestHelpers::WebViewHelper webViewHelper;
 273     WebView* webView = webViewHelper.initializeAndLoad(m_baseURL + "rgm_iframe_test.html", true, 0, 0);
 274     webView->resize(WebSize(1000, 1000));
 275     webView->layout();
 276
 277     RenderGeometryMap rgm(TraverseDocumentBoundaries);
 278     RenderGeometryMap rgmNoFrame;
 279
 280     rgmNoFrame.pushMappingsToAncestor(getFrameElement("test_frame", webView, "InitialDiv"), 0);
 281     rgm.pushMappingsToAncestor(getFrameElement("test_frame", webView, "InitialDiv"), 0);
 282     FloatPoint point;
 283     FloatRect rect(0.0f, 0.0f, 1.0f, 2.0f);
 284
 285     EXPECT_EQ(FloatPoint(8.0f, 8.0f), rgmNoFrame.mapToContainer(point, nullptr));
 286     EXPECT_EQ(FloatQuad(FloatRect(8.0f, 8.0f, 1.0f, 2.0f)), rgmNoFrame.mapToContainer(rect, nullptr));
 287
 288     // Our initial rect looks like: (0, 0, 1, 2)
 289     //        p0_____
 290     //          |   |
 291     //          |   |
 292     //          |   |
 293     //          |___|
 294     // When we rotate we get a rect of the form:
 295     //         p0_
 296     //          / -_
 297     //         /   /
 298     //        /   /
 299     //         -_/
 300     // So it is sensible that the minimum y is the same as for a point at 0, 0.
 301     // The minimum x should be p0.x - 2 * sin(30deg) = p0.x - 1.
 302     // That maximum x should likewise be p0.x + cos(30deg) = p0.x + 0.866.
 303     // And the maximum y should be p0.x + sin(30deg) + 2*cos(30deg)
 304     //      = p0.y + 2.232.
 305     EXPECT_NEAR(70.5244f, rgm.mapToContainer(point, nullptr).x(), 0.0001f);
 306     EXPECT_NEAR(-44.0237f, rgm.mapToContainer(point, nullptr).y(), 0.0001f);
 307     EXPECT_NEAR(69.5244f, rectFromQuad(rgm.mapToContainer(rect, nullptr)).x(), 0.0001f);
 308     EXPECT_NEAR(-44.0237, rectFromQuad(rgm.mapToContainer(rect, nullptr)).y(), 0.0001f);
 309     EXPECT_NEAR(1.866, rectFromQuad(rgm.mapToContainer(rect, nullptr)).width(), 0.0001f);
 310     EXPECT_NEAR(2.232, rectFromQuad(rgm.mapToContainer(rect, nullptr)).height(), 0.0001f);
 311
 312     rgm.popMappingsToAncestor(static_cast<RenderLayer*>(nullptr));
 313     rgmNoFrame.popMappingsToAncestor(static_cast<RenderLayer*>(nullptr));
 314     EXPECT_EQ(FloatPoint(0.0f, 0.0f), rgm.mapToContainer(point, nullptr));
 315     EXPECT_EQ(FloatPoint(0.0f, 0.0f), rgmNoFrame.mapToContainer(point, nullptr));
 316
 317     rgm.pushMappingsToAncestor(getFrameElement("test_frame", webView, "InnerDiv"), 0);
 318     rgmNoFrame.pushMappingsToAncestor(getFrameElement("test_frame", webView, "InnerDiv"), 0);
 319     EXPECT_EQ(FloatPoint(21.0f, 6.0f), rgm.mapToContainer(point, getFrameRenderContainer("test_frame", webView, "CenterDiv")));
 320     EXPECT_EQ(FloatQuad(FloatRect(21.0f, 6.0f, 1.0f, 2.0f)), rgm.mapToContainer(rect, getFrameRenderContainer("test_frame", webView, "CenterDiv")));
 321     EXPECT_EQ(FloatPoint(21.0f, 6.0f), rgmNoFrame.mapToContainer(point, getFrameRenderContainer("test_frame", webView, "CenterDiv")));
 322     EXPECT_EQ(FloatQuad(FloatRect(21.0f, 6.0f, 1.0f, 2.0f)), rgmNoFrame.mapToContainer(rect, getFrameRenderContainer("test_frame", webView, "CenterDiv")));
 323
 324     rgm.pushMappingsToAncestor(getFrameElement("test_frame", webView, "OtherDiv"), getFrameRenderContainer("test_frame", webView, "InnerDiv"));
 325     rgmNoFrame.pushMappingsToAncestor(getFrameElement("test_frame", webView, "OtherDiv"), getFrameRenderContainer("test_frame", webView, "InnerDiv"));
 326     EXPECT_EQ(FloatPoint(22.0f, 12.0f), rgm.mapToContainer(point, getFrameRenderContainer("test_frame", webView, "CenterDiv")));
 327     EXPECT_EQ(FloatQuad(FloatRect(22.0f, 12.0f, 1.0f, 2.0f)), rgm.mapToContainer(rect, getFrameRenderContainer("test_frame", webView, "CenterDiv")));
 328     EXPECT_EQ(FloatPoint(22.0f, 12.0f), rgmNoFrame.mapToContainer(point, getFrameRenderContainer("test_frame", webView, "CenterDiv")));
 329     EXPECT_EQ(FloatQuad(FloatRect(22.0f, 12.0f, 1.0f, 2.0f)), rgmNoFrame.mapToContainer(rect, getFrameRenderContainer("test_frame", webView, "CenterDiv")));
 330
 331     EXPECT_EQ(FloatPoint(1.0f, 6.0f), rgm.mapToContainer(point, getFrameRenderContainer("test_frame", webView, "InnerDiv")));
 332     EXPECT_EQ(FloatQuad(FloatRect(1.0f, 6.0f, 1.0f, 2.0f)), rgm.mapToContainer(rect, getFrameRenderContainer("test_frame", webView, "InnerDiv")));
 333     EXPECT_EQ(FloatPoint(1.0f, 6.0f), rgmNoFrame.mapToContainer(point, getFrameRenderContainer("test_frame", webView, "InnerDiv")));
 334     EXPECT_EQ(FloatQuad(FloatRect(1.0f, 6.0f, 1.0f, 2.0f)), rgmNoFrame.mapToContainer(rect, getFrameRenderContainer("test_frame", webView, "InnerDiv")));
 335
 336     EXPECT_NEAR(88.8975f, rgm.mapToContainer(point, nullptr).x(), 0.0001f);
 337     EXPECT_NEAR(8.1532f, rgm.mapToContainer(point, nullptr).y(), 0.0001f);
 338     EXPECT_NEAR(87.8975f, rectFromQuad(rgm.mapToContainer(rect, nullptr)).x(), 0.0001f);
 339     EXPECT_NEAR(8.1532f, rectFromQuad(rgm.mapToContainer(rect, nullptr)).y(), 0.0001f);
 340     EXPECT_NEAR(1.866, rectFromQuad(rgm.mapToContainer(rect, nullptr)).width(), 0.0001f);
 341     EXPECT_NEAR(2.232, rectFromQuad(rgm.mapToContainer(rect, nullptr)).height(), 0.0001f);
 342
 343     EXPECT_EQ(FloatPoint(50.0f, 44.0f), rgmNoFrame.mapToContainer(point, nullptr));
 344     EXPECT_EQ(FloatQuad(FloatRect(50.0f, 44.0f, 1.0f, 2.0f)), rgmNoFrame.mapToContainer(rect, nullptr));
 345 }
 346
 347 TEST_F(RenderGeometryMapTest, ColumnTest)
 348 {
 349     registerMockedHttpURLLoad("rgm_column_test.html");
 350     FrameTestHelpers::WebViewHelper webViewHelper;
 351     WebView* webView = webViewHelper.initializeAndLoad(m_baseURL + "rgm_column_test.html", true, 0, 0);
 352     webView->resize(WebSize(1000, 1000));
 353     webView->layout();
 354
 355     // The document is 1000f wide (we resized to that size).
 356     // We have a 8px margin on either side of the document.
 357     // Between each column we have a 10px gap, and we have 3 columns.
 358     // The width of a given column is (1000 - 16 - 20)/3.
 359     // The total offset between any column and it's neighbour is width + 10px
 360     // (for the gap).
 361     float offset = (1000.0f - 16.0f - 20.0f) / 3.0f + 10.0f;
 362
 363     RenderGeometryMap rgm;
 364     rgm.pushMappingsToAncestor(getRenderBox(webView, "A"), 0);
 365     FloatPoint point;
 366     FloatRect rect(0.0f, 0.0f, 5.0f, 3.0f);
 367
 368     EXPECT_EQ(FloatPoint(8.0f, 8.0f), rgm.mapToContainer(point, nullptr));
 369     EXPECT_EQ(FloatQuad(FloatRect(8.0f, 8.0f, 5.0f, 3.0f)), rgm.mapToContainer(rect, nullptr));
 370
 371     rgm.popMappingsToAncestor(static_cast<RenderLayer*>(nullptr));
 372     EXPECT_EQ(FloatPoint(0.0f, 0.0f), rgm.mapToContainer(point, nullptr));
 373     EXPECT_EQ(FloatQuad(FloatRect(0.0f, 0.0f, 5.0f, 3.0f)), rgm.mapToContainer(rect, nullptr));
 374
 375     rgm.pushMappingsToAncestor(getRenderBox(webView, "Col1"), 0);
 376     EXPECT_EQ(FloatPoint(8.0f, 8.0f), rgm.mapToContainer(point, nullptr));
 377     EXPECT_EQ(FloatQuad(FloatRect(8.0f, 8.0f, 5.0f, 3.0f)), rgm.mapToContainer(rect, nullptr));
 378
 379     rgm.popMappingsToAncestor(static_cast<RenderLayer*>(nullptr));
 380     rgm.pushMappingsToAncestor(getRenderBox(webView, "Col2"), nullptr);
 381     EXPECT_NEAR(8.0f + offset, rgm.mapToContainer(point, nullptr).x(), 0.1f);
 382     EXPECT_NEAR(8.0f, rgm.mapToContainer(point, nullptr).y(), 0.1f);
 383     EXPECT_NEAR(8.0f + offset, rectFromQuad(rgm.mapToContainer(rect, nullptr)).x(), 0.1f);
 384     EXPECT_NEAR(8.0f, rectFromQuad(rgm.mapToContainer(rect, nullptr)).y(), 0.1f);
 385     EXPECT_EQ(5.0f, rectFromQuad(rgm.mapToContainer(rect, nullptr)).width());
 386     EXPECT_EQ(3.0f, rectFromQuad(rgm.mapToContainer(rect, nullptr)).height());
 387
 388     rgm.popMappingsToAncestor(static_cast<RenderLayer*>(nullptr));
 389     rgm.pushMappingsToAncestor(getRenderBox(webView, "Col3"), nullptr);
 390     EXPECT_NEAR(8.0f + offset * 2.0f, rgm.mapToContainer(point, nullptr).x(), 0.1f);
 391     EXPECT_NEAR(8.0f, rgm.mapToContainer(point, nullptr).y(), 0.1f);
 392     EXPECT_NEAR(8.0f + offset * 2.0f, rectFromQuad(rgm.mapToContainer(rect, nullptr)).x(), 0.1f);
 393     EXPECT_NEAR(8.0f, rectFromQuad(rgm.mapToContainer(rect, nullptr)).y(), 0.1f);
 394     EXPECT_EQ(5.0f, rectFromQuad(rgm.mapToContainer(rect, nullptr)).width());
 395     EXPECT_EQ(3.0f, rectFromQuad(rgm.mapToContainer(rect, nullptr)).height());
 396
 397 }
 398 } // namespace ::