TEST_F(LayoutBoxTest, BackgroundObscuredInRect) { setBodyInnerHTML("<style>.column { width: 295.4px; padding-left: 10.4px; } .white-background { background: red; position: relative; overflow: hidden; border-radius: 1px; }" ".black-background { height: 100px; background: black; color: white; } </style>" "<div class='column'> <div> <div id='target' class='white-background'> <div class='black-background'></div> </div> </div> </div>"); LayoutObject* layoutObject = getLayoutObjectByElementId("target"); ASSERT_TRUE(layoutObject); ASSERT_TRUE(layoutObject->boxDecorationBackgroundIsKnownToBeObscured()); }