gecko-dev/layout/generic/crashtests/494300-1.xul

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<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" onload="boom();" class="reftest-wait">
<script type="text/javascript">
// <![CDATA[
var HTML_NS = "http://www.w3.org/1999/xhtml";
var MATHML_NS = "http://www.w3.org/1998/Math/MathML";
var XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
function boom()
{
var listbox = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul", "listbox");
var listitem = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul", "listitem");
listbox.appendChild(listitem);
document.documentElement.appendChild(listbox);
var hbox = document.createElementNS(XUL_NS, "hbox");
listbox.appendChild(hbox);
var mphantom = document.createElementNS(MATHML_NS, 'mphantom');
listbox.appendChild(mphantom);
var wax = document.createElementNS(MATHML_NS, 'wax');
hbox.appendChild(wax);
var msub = document.createElementNS(MATHML_NS, 'msub');
wax.appendChild(msub);
var merror = document.createElementNS(MATHML_NS, 'merror');
wax.appendChild(merror);
var span = document.createElementNS(HTML_NS, 'span');
mphantom.appendChild(span);
var vbox = document.createElementNS(XUL_NS, 'vbox');
span.appendChild(vbox);
setTimeout(boom2, 0);
function boom2()
{
var munderover = document.createElementNS(MATHML_NS, 'munderover');
msub.appendChild(munderover);
var mtext = document.createElementNS(MATHML_NS, 'mtext');
span.appendChild(mtext);
document.documentElement.removeAttribute("class");
}
}
// ]]>
</script>
</window>