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<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
                 type="text/css"?>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=430050
-->
<window title="Mozilla Bug 430050"
  xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <!-- test results are displayed in the html:body -->
  <body xmlns="http://www.w3.org/1999/xhtml">
  <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=430050"
     target="_blank">Mozilla Bug 430050</a>
  </body>

  <!-- test code goes here -->
  <script type="application/javascript"><![CDATA[

  /** Test for Bug 430050 **/

  function endTest() {
    ok(document.getElementById('b').contentDocument.documentElement.textContent ==
       "succeeded", "Wrong URL loaded!");
    SimpleTest.finish();
  }

  function startTest() {
    const observer = new MutationObserver(() => {
      document.getElementById('b').setAttribute("src",
                                                "data:text/plain,failed");
      const systemPrincipal = Services.scriptSecurityManager.getSystemPrincipal();
      document.getElementById('b').loadURI(Services.io.newURI('data:text/plain,succeeded'), {
        triggeringPrincipal: systemPrincipal
      });
      document.getElementById('b').addEventListener("load", endTest);
    });
    observer.observe(document.documentElement, { attributes: true });
    document.documentElement.setAttribute("foo", "bar");
  }

  SimpleTest.waitForExplicitFinish();
  addLoadEvent(startTest);

  ]]></script>
  <browser flex="1" id="b"/>
</window>