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<!--
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<head>
  <title>Test for creating XUL elements, bug 590870</title>
  <script 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=590870">Mozilla Bug 590870</a>
<p id="display"></p>
<iframe id=iframe></iframe>
<pre id="test">
<script class="testbody" type="application/javascript">

add_task(async function start() {
  var noxul = "https://sub1.test1.example.com:443";
  var yesxul = "https://example.org:443"

  await SpecialPowers.pushPermissions([
    { type: "allowXULXBL", allow: false, context: noxul },
    { type: "allowXULXBL", allow: true, context: yesxul }
  ]);

  var path = "/tests/dom/base/test/file_bug590870.html";
  var iframe = $('iframe');

  iframe.src = noxul + path;
  await new Promise(resolve => window.addEventListener("message", event => {
    is(event.data, true, "shouldn't be able to create XUL elements");
    resolve();
  }, { once: true } ));

  iframe.src = yesxul + path;
  await new Promise(resolve => window.addEventListener("message", event => {
    is(event.data, false, "should be able to create XUL elements");
    resolve();
  }, { once: true } ));
});
</script>
</pre>
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