LayoutTests/editing/execCommand/create-list-from-range-selection.html

<script>
if (window.layoutTestController)
     layoutTestController.dumpEditingCallbacks();
</script>
<p>This tests Insert{Un}OrderedList on a range selection that contains a mix of list and non-list content.</p>
<div id="test" contenteditable="true">asd<span id="start">foo</span><br><ul><li>bar</li></ul>baz<br>foo<ol><li>bar</li></ol><span id="end">baz</span></div>
<script>
var s = window.getSelection();
var start = document.getElementById("start").firstChild;
var end = document.getElementById("end").firstChild;
s.setBaseAndExtent(start, 2, end, 2);
document.execCommand("InsertOrderedList", false, "");
</script>