LayoutTests/editing/deleting/smart-delete-003.html

<script>
if (window.testRunner)
     testRunner.dumpEditingCallbacks();
</script>
<script src=../editing.js language="JavaScript" type="text/JavaScript" ></script>
<p>This tests deleting a selection created with a word granularity.  To run it manually, double click on 'bar' and hit delete.  You should see 'foo baz'.</p>
<div id="div" contenteditable="true">foo b<span id="target">a</span>r baz</div>

<script>
if (window.testRunner) {
    var target = document.getElementById("target");
    doubleClick(target.offsetLeft, target.offsetTop);
    testRunner.execCommand("DeleteBackward");
}
</script>