test_bug430050.xhtml

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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>