1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/base/test/test_window_extensible.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,46 @@
1.4 +<!DOCTYPE html>
1.5 +<html>
1.6 +<!--
1.7 +https://bugzilla.mozilla.org/show_bug.cgi?id=856384
1.8 +-->
1.9 +<head>
1.10 + <meta charset="UTF-8">
1.11 + <title>Test for Bug 856384</title>
1.12 + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.13 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
1.14 +</head>
1.15 +<body>
1.16 +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=856384">Mozilla Bug 856384</a>
1.17 +<p id="display"></p>
1.18 +<div id="content" style="display: none">
1.19 +</div>
1.20 +<iframe name="constructor" src="about:blank"></iframe>
1.21 +<pre id="test">
1.22 +<script type="application/javascript">
1.23 +SimpleTest.waitForExplicitFinish();
1.24 +
1.25 +function run()
1.26 +{
1.27 + is(Object.isExtensible(window), true, "Windows are extensible by default");
1.28 +
1.29 + try
1.30 + {
1.31 + Object.preventExtensions(window);
1.32 + throw "didn't throw";
1.33 + }
1.34 + catch (e)
1.35 + {
1.36 + is(e instanceof TypeError, true,
1.37 + "preventExtensions(window) should throw a TypeError, instead got: " + e);
1.38 + is(Object.isExtensible(window), true,
1.39 + 'Windows are extensible after an extensibility "change" attempt');
1.40 + }
1.41 +
1.42 + SimpleTest.finish();
1.43 +}
1.44 +
1.45 +window.addEventListener("load", run, false);
1.46 +</script>
1.47 +</pre>
1.48 +</body>
1.49 +</html>
