author Boris Zbarsky <>
Wed, 08 Aug 2012 23:47:04 -0400
changeset 105034 e3e9040a6eb9f8e7d78fe91c98ac80d42bd06aa8
parent 92582 1bdb337e3136c877e5d93b9c3ebac548bd7e4fff
permissions -rw-r--r--
Bug 703855. Don't update performance timing or navigation timing state during r=jst

  <title>Test for Bug 462428</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<a target="_blank" href="">Mozilla Bug 462428</a>
<p id="display"></p>
<div id="content" style="display: none">
<pre id="test">
<script type="application/javascript">

/** Test for Bug 462428 **/
var x = new XMLHttpRequest;"GET", "");
var getter = x.__lookupGetter__('readyState');
ok(getter !== undefined, "But able to look it up the normal way");
ok(!x.hasOwnProperty('readyState'), "property should still be on the prototype");

var sawProp = false;
for (var i in x) {
    if (i === "readyState") {
        sawProp = true;

ok(sawProp, "property should be enumerable");

is(, 1, "the getter actually works");

Object.getPrototypeOf(x).__defineSetter__('readyState', function() {});
is(, 1, "the getter works after defineSetter");

is(x.responseType, "", "Should have correct responseType up front");
var setter = x.__lookupSetter__('responseType');, "document");
is(x.responseType, "document", "the setter is bound correctly");