third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-item-change-column-repaint.html

   1 <!DOCTYPE html>
   2 <html>
   3 <script src="../repaint/resources/text-based-repaint.js"></script>
   4 <script>
   5 function repaintTest()
   6 {
   7     var gridItem = document.getElementsByClassName("sizedToGridArea")[0];
   8     gridItem.style.gridColumn = "3";
   9 }
  10 window.addEventListener("load", runRepaintTest, false);
  11 </script>
  12 <link href="resources/grid.css" rel="stylesheet">
  13 <style>
  14 body {
  15     font: 10px/1 Ahem;
  16 }
  17
  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>