<?xml version="1.0"?> <?xml-stylesheet href="chrome://global/skin" type="text/css"?> <?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=484459 --> <window title="Weakrefs" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> <!-- test results are displayed in the html:body --> <body xmlns="http://www.w3.org/1999/xhtml"> <iframe type="content" id="ifr"> </iframe> </body> <!-- test code goes here --> <script type="application/javascript"><![CDATA[ SimpleTest.waitForExplicitFinish(); var util = window.QueryInterface(Components.interfaces.nsIInterfaceRequestor) .getInterface(Components.interfaces.nsIDOMWindowUtils); var weakUtil = Components.utils.getWeakReference(util); util = null; function callback() { ok(weakUtil.get(), "Should still be alive here"); SimpleTest.finish(); } SpecialPowers.exactGC(callback); ]]></script> </window>