LayoutTests/editing/execCommand/4920742-2.html

<p>This tests for a crash when performing Range::extractContents on a range that has had the start or end removed from the document.  When extractContents is called on this kind of invalid range, an exception should be thrown.</p>
<div id="div" contenteditable="true">text <a href="http://www.apple.com/">link</a></div>
<ul id="console"></ul>

<script>
function log(str) {
    var li = document.createElement("li");
    li.appendChild(document.createTextNode(str));
    var console = document.getElementById("console");
    console.appendChild(li);
}

if (window.layoutTestController)
    window.layoutTestController.dumpAsText();
    
var div = document.getElementById("div");
var text = div.firstChild;
var link = div.lastChild;
var r = document.createRange();
r.setStart(text, 0);
r.setEnd(link, 0);

text.parentNode.removeChild(text);

try {
    r.extractContents();
    log("Failure.  Expected an exception to be thrown.");
} catch (e) {
    var expected = "Error: WRONG_DOCUMENT_ERR: DOM Exception 4";
    if (e != expected)
        log("Failure. Expected: " + expected);
}
</script>