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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=
-->
<window title="Mozilla Bug "
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<script 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="
target="_blank">Mozilla Bug </a>
</body>
<!-- test code goes here -->
<script type="application/javascript">
<![CDATA[
/** Test for Bug **/
var obs = Cc["@mozilla.org/observer-service;1"]
.getService(Ci.nsIObserverService);
var didCall = false;
var observer = {
QueryInterface: function QueryInterface(aIID) {
if (aIID.equals(Ci.nsIObserver) ||
aIID.equals(Ci.nsISupports))
return this;
throw Components.Exception("", Cr.NS_NOINTERFACE);
},
observe(subject, topic, data) {
obs.removeObserver(observer, "cycle-collector-begin");
observer = null;
didCall = true;
}
};
// Start an incremental GC, to make sure that calling ccSlice
// when an IGC is running finishes the GC.
SpecialPowers.Cu.getJSTestingFunctions().gcslice(1);
// Make sure that we call the observer even if we're in the middle
// of an ICC when we add the observer. See bug 981033.
SpecialPowers.finishCC();
SpecialPowers.ccSlice(1);
obs.addObserver(observer, "cycle-collector-begin");
SpecialPowers.DOMWindowUtils.cycleCollect();
ok(didCall, "Observer should have been called!");
]]>
</script>
</window>
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