Tolerate subpixel differences in checkPaintInvalidationVisualRect()

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

 // Copyright 2015 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/LayoutTestHelper.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/PaintInvalidationState.h"
 #include "core/paint/PaintLayer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 15 matching lines @@
         object.containerForPaintInvalidation();
     object.mapToVisualRectInAncestorSpace(&paintInvalidationContainer, rect);
     if (rect.isEmpty() && object.visualRect().isEmpty())
       return;
     // The following condition can be false if paintInvalidationContainer is
     // a LayoutView and compositing is not enabled.
     if (paintInvalidationContainer.isPaintInvalidationContainer()) {
       PaintLayer::mapRectInPaintInvalidationContainerToBacking(
           paintInvalidationContainer, rect);
     }
-    EXPECT_EQ(rect, object.visualRect());
+    EXPECT_EQ(enclosingIntRect(rect), enclosingIntRect(object.visualRect()));
   }
 };
 
 TEST_F(VisualRectMappingTest, LayoutText) {
   setBodyInnerHTML(
       "<style>body { margin: 0; }</style>"
       "<div id='container' style='overflow: scroll; width: 50px; height: 50px'>"
       "  <span><img style='width: 20px; height: 100px'></span>"
       "  text text text text text text text"
       "</div>");
@@ skipping 621 matching lines @@
 
   LayoutRect targetLocalVisualRect = target->localVisualRect();
   EXPECT_EQ(LayoutRect(0, 0, 400, 400), targetLocalVisualRect);
   LayoutRect rect = targetLocalVisualRect;
   EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(&layoutView(), rect));
   EXPECT_EQ(LayoutRect(0, 0, 200, 200), rect);
   EXPECT_EQ(rect, target->visualRect());
 }
 
 }  // namespace blink