third_party/WebKit/LayoutTests/fast/block/positioning/abspos-auto-left-auto-top-inside-auto-margins.html

   1 <!DOCTYPE html>
   2 <p>On this page there should be a blue square above a yellow square.</p>
   3 <div style="position:relative; width:500px;">
   4     <div id="elm" style="margin:auto; width:100px; height:400px; background:yellow;">
   5         <div></div>
   6         <div style="position:absolute; width:200px; height:200px; background:blue;"></div>
   7     </div>
   8 </div>
   9 <script>
  10     document.body.offsetTop;
  11     document.getElementById("elm").style.width = "200px";
  12 </script>