third_party/WebKit/LayoutTests/paint/invalidation/spv2/grid-item-change-column-repaint.html

   1 <!-- Based on fast/css-grid-layout/grid-item-change-column-repaint.html -->
   2 <!DOCTYPE html>
   3 <html>
   4 <script src="resources/paint-invalidation-test.js"></script>
   5 <script>
   6 window.expectedPaintInvalidationObjects = [
   7     "LayoutBlockFlow DIV class='sizedToGridArea'",
   8 ];
   9 function paintInvalidationTest()
  10 {
  11     var gridItem = document.getElementsByClassName("sizedToGridArea")[0];
  12     gridItem.style.gridColumn = "3";
  13 }
  14 window.addEventListener("load", runPaintInvalidationTest, false);
  15 </script>
  16 <link href="../../../fast/css-grid-layout/resources/grid.css" rel="stylesheet">
  17 <style>
  18 .grid {
  19     width: -webkit-fit-content;
  20     grid-template-rows: 50px;
  21     grid-template-columns: minmax(100px, 180px) 100px minmax(50px, 100px);
  22 }
  23 .sizedToGridArea {
  24     background-color: purple;
  25 }
  26 </style>
  27 <body>
  28 <div>This test checks that changing the grid-column on a grid item properly repaint. The final grid item should be 50px * 50px. There should be no trace of the grid item at the old position.</div>
  29 <div class="constrainedContainer">
  30     <div class="grid">
  31         <div class="sizedToGridArea"></div>
  32     </div>
  33 </div>
  34 </body>
  35 </html>