third_party/WebKit/LayoutTests/fast/repaint/overflow-scroll-delete.html

   1 <html>
   2 <head>
   3     <script src="resources/text-based-repaint.js" type="text/javascript"></script>
   4     <script type="text/javascript">
   5         function repaintTest()
   6         {
   7             document.getElementById("t").lastChild.data='Passed Test';
   8         }
   9     </script>
  10 </head>
  11 <body onload="runRepaintTest();">
  12 <p>
  13     This is a repaint test for <i><a href="http://bugs.webkit.org/show_bug.cgi?id=11277">http://bugs.webkit.org/show_bug.cgi?id=11277</a>
  14     REGRESSION: Incomplete repaint of overflow areas when deleting</i>.
  15
  16     This shows that the repaint rect doesn't account for scrolling. You can
  17     use Quartz Debug to see that changing the text repaints a rect where the text would have been
  18     if it hadn't been scrolled.
  19 </p>
  20 <div id="t" style="overflow-y: scroll; outline: none; width: 80px; height: 69px;">
  21     <br><br><br><br><br><br><br><br><br>Failed Test
  22 </div>
  23 <script>
  24     document.getElementById("t").scrollTop = 128;
  25 </script>
  26 </body>
  27 </html>