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diff --git a/dom/html/test/test_bug569955.html b/dom/html/test/test_bug569955.html
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+++ b/dom/html/test/test_bug569955.html
@@ -0,0 +1,37 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=569955
+-->
+<head>
+  <title>Test for Bug 569955</title>
+  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=569955">Mozilla Bug 569955</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+  <input id='i' autofocus>
+</div>
+<pre id="test">
+<script type="application/javascript">
+
+/** Test for Bug 569955 **/
+
+function runTests()
+{
+  isnot(document.activeElement, document.getElementById('i'),
+        "not rendered elements can't be autofocused");
+  SimpleTest.finish();
+}
+
+SimpleTest.waitForExplicitFinish();
+addLoadEvent(function() {
+  setTimeout(runTests, 0);
+});
+
+</script>
+</pre>
+</body>
+</html>