1 files changed, 42 insertions, 0 deletions
diff --git a/js/xpconnect/tests/mochitest/test_bug809547.html b/js/xpconnect/tests/mochitest/test_bug809547.html
new file mode 100644
index 000000000..c2c87623f
--- /dev/null
+++ b/js/xpconnect/tests/mochitest/test_bug809547.html
@@ -0,0 +1,42 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=809547
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 809547</title>
+  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body onload="go()">
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=809547">Mozilla Bug 809547</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+  
+</div>
+<pre id="test">
+<script type="application/javascript">
+
+/** Test for Bug 809547 **/
+SimpleTest.waitForExplicitFinish();
+var gObj = {};
+function go() {
+  window.location.expando = gObj;
+  is(window.location.expando, gObj, "Expando appears");
+  SimpleTest.executeSoon(finish);
+}
+
+function finish() {
+  SpecialPowers.forceGC();
+  SpecialPowers.forceCC();
+  SpecialPowers.forceGC();
+  SpecialPowers.forceCC();
+  is(window.location.expando, gObj, "Expando preserved");
+  SimpleTest.finish();
+}
+
+</script>
+</pre>
+</body>
+</html>