ManualTests/scrollbar-crash-on-hide-scrolled-area.html

   1 <!DOCTYPE html>
   2 <html lang="en">
   3 <head>
   4     <meta charset="utf-8"/>
   5     <title>QuickStart</title>
   6     <style>
   7     .lessonChapters {
   8         position:absolute;
   9         top:26px;
  10         bottom:22px;
  11         overflow:auto;
  12     }
  13     #hint {
  14         height:9000px;
  15     }
  16 </style>
  17 <script>
  18     function runTest()
  19     {
  20         document.getElementById('lessons').scrollTop = 10000;
  21         document.getElementById('toHide').style.display='none';
  22     }
  23 </script>
  24 </head>
  25
  26 <body onload="runTest();">
  27
  28 <div class="lessonChapters" id="lessons">
  29 <div class="lessonChapter" id="toHide">
  30     <br />
  31     Manual repro: scroll down and click on <b>Next step</b>
  32     <div id="hint">&nbsp;</div>
  33     <a href="#" class="nextStepButton" onclick="document.getElementById('toHide').style.display='none'">Next step</a>
  34 </div>
  35 <p>Bug #74111: This test is to make sure that a scrolled element does not crash the browser when it goes hidden. The test passes if it does not crash.</p>
  36 PASSED
  37 </div>
  38
  39 </body>
  40 </html>