gecko-dev/js/xpconnect/tests/chrome/test_bug664689.xul

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<?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=658560
-->
<window title="Mozilla Bug 658560"
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">
<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=658560"
target="_blank">Mozilla Bug 658560</a>
</body>
<!-- test code goes here -->
<script type="application/javascript"><![CDATA[
const Cu = Components.utils;
var sandbox = new Cu.Sandbox("about:blank");
var contentObj = Cu.evalInSandbox("({ get foo() { return 42 } })", sandbox);
var propdesc = Object.getOwnPropertyDescriptor(Cu.waiveXrays(contentObj), "foo");
is(typeof propdesc, "object", "got a property descriptor back");
ok("get" in propdesc, "getter exists");
]]></script>
</window>