<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=417384
-->
<head>
  <title>Test for Bug 417384</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=417384">Mozilla Bug 417384</a>
<p id="display"></p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 417384 **/

var expectedSerialization = "about:blank document";
function testSerializer() {
  var doc = document.getElementById('test_iframe').contentDocument;
  doc.body.textContent = expectedSerialization;
  var head1 = doc.createElement("head");
  doc.body.appendChild(head1);
  var span = doc.createElement("span");
  head1.appendChild(span);
  span.appendChild(doc.createTextNode("before inner head\n"));
  span.appendChild(doc.createElement("head"));
  span.appendChild(doc.createTextNode("\nafter inner head"));

  var encoder = SpecialPowers.Cu.createDocumentEncoder("text/html");
  encoder.init(doc, "text/plain", 0);
  encoder.setCharset("UTF-8");
  var out = encoder.encodeToString();
  ok(out == expectedSerialization, "Wrong serialization!");
}

SimpleTest.waitForExplicitFinish();
addLoadEvent(testSerializer);
addLoadEvent(SimpleTest.finish);

</script>
</pre>
<iframe id="test_iframe" src="about:blank"></iframe>
</body>
</html>

