<p>This tests for a hang when performing InsertUnorderedList.</p>
<div contenteditable="true">
<div>There should be two empty unordered list items below.</div>
<div id="start"><br></div>
<div><br></div>
<div id="end">This should be an unordered list item.</div>
</div>

<script>
var selection = window.getSelection();
var div = document.getElementById("div");
selection.setBaseAndExtent(start, 0, end, end.childNodes.length);

document.execCommand("InsertUnorderedList");
</script>