gecko/js/xpconnect/tests/chrome/test_ccdump.xul

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<?xml version="1.0"?>
<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=709162
-->
<window title="Mozilla Bug 709162"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
<!-- test results are displayed in the html:body -->
<body xmlns="http://www.w3.org/1999/xhtml">
<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=709162"
target="_blank">Mozilla Bug 709162</a>
</body>
<!-- test code goes here -->
<script type="application/javascript">
<![CDATA[
/** Test for Bug 709162 **/
var emptyListener = {
QueryInterface: function QueryInterface(aIID) {
if (aIID.equals(Components.interfaces.nsICycleCollectorListener) ||
aIID.equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_NOINTERFACE;
},
/* nsICycleCollectorListener */
begin: function () {},
noteRefCountedObject: function (addr, rc, descr) {},
noteGCedObject: function (addr, marked, descr) {},
noteEdge: function (addr, descr) {},
beginResults: function () {},
describeRoot: function (addr, known) {},
describeGarbage: function (addr) {},
end: function () {},
};
window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIDOMWindowUtils)
.cycleCollect(emptyListener);
ok(true, "Dump cycle collector graph without crashing.");
]]>
</script>
</window>