test_import_xul_to_content.xhtml

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<?xml version="1.0"?>

<?xml-stylesheet type="text/css" href="chrome://global/skin"?>

<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>

<window title="Mozilla Importing XUL into Content"

        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=1027299"

     target="_blank">Mozilla Bug 1027299</a>

  </body>

  <browser id="browserelt" src="about:blank" type="content"/>

  <!-- test code goes here -->

  <script type="application/javascript">

  <![CDATA[

  SimpleTest.waitForExplicitFinish();

  function expectWarning(expected, when, f) {

    Services.console.reset();

    f();

    var sawWarning = false;

    var msgs = Services.console.getMessageArray();

    for (var i = 0; i < msgs.length; i++) {

      var msg = msgs[i];

      if (!msg || !(msg instanceof Ci.nsIScriptError)) {

        continue;

      if (msg.category.includes("DOM") && msg.errorMessage.includes("Importing XUL")) {

        sawWarning = true;

    ok(sawWarning == expected, "correct warning condition when " + when);

  var browser = document.getElementById("browserelt");

  browser.addEventListener("load", function() {

    var doc = browser.contentDocument;

    // We add a <video> element, which contains anonymous XUL content. This should not warn.

    var video = doc.createElement("video");

    expectWarning(false, "appending video", function() {

      doc.documentElement.appendChild(video);

      // Force a layout flush to make sure the anonymous content is added.

      // eslint-disable-next-line no-unused-vars

      let dummy = doc.documentElement.offsetLeft;

});

    // We add some XUL to a content document. This should generate a warning.

    var elt = document.createXULElement("scrollbar");

    var newElt = doc.importNode(elt, false);

    expectWarning(true, "appending XUL", function() {

      doc.documentElement.appendChild(newElt);

});

    SimpleTest.finish();

});

]]>

  </script>

</window>