<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=797909
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 797909</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body onload="runTest()">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=797909">Mozilla Bug 797909</a>
<p id="display"></p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script type="application/javascript">
  /** Test for Bug 797909 */

  SimpleTest.waitForExplicitFinish();

  function runTest() {
    var iframe = document.getElementById("ifr");
    try {
      iframe.contentWindow.document;
      ok(false, "Should have thrown an exception");
    } catch (ex) {
      ok(true, "Got an exception");
    }

    iframe = document.createElement("iframe");
    // set sandbox attribute
    iframe.sandbox = "allow-scripts";
    // and then insert into the doc
    document.body.appendChild(iframe);

    try {
      iframe.contentWindow.document;
      ok(false, "Should have thrown an exception");
    } catch (ex) {
      ok(true, "Got an exception");
    }

    iframe = document.createElement("iframe");
    // set sandbox attribute
    iframe.sandbox = "allow-same-origin";
    // and then insert into the doc
    document.body.appendChild(iframe);

    try {
      iframe.contentWindow.document;
      ok(true, "Shouldn't have thrown an exception");
    } catch (ex) {
      ok(false, "Got an unexpected exception");
    }

    SimpleTest.finish();
  }

</script>
</pre>
<iframe id="ifr" sandbox = "allow-scripts"></iframe>
</body>
</html>
