LayoutTests/editing/pasteboard/insert-div-text-into-text.html

<!DOCTYPE>
<html>
<body>
<div id="test" contenteditable="true">There&nbsp; be no line breaks in this sentence.</div>
<script src="../../resources/dump-as-markup.js"></script>
<script>

if (window.testRunner)
    testRunner.dumpEditingCallbacks();
if (window.internals)
    internals.settings.setEditingBehavior('mac');

Markup.description('This tests inserting a text wrapped in a div inside a text node.');

var sel = window.getSelection();
var e = document.getElementById("test").firstChild;

sel.setPosition(e, 0);
sel.modify("move", "forward", "word");
sel.modify("move", "forward", "character");
document.execCommand("InsertHTML", false, "<div>should</div>");

Markup.dump('test');
</script>
</body>
</html>