content/base/test/test_bug401662.html

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=401662
-->
<head>
  <title>Test for Bug 401662</title>
  <script type="text/javascript" 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=401662">Mozilla Bug 401662</a>
<p id="display"></p>
<div id="content" style="display: none">
  <iframe id="testframe"
          src="data:text/html,<html><body>foo<style>bar</style></body></html>">
  </iframe>
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 401662 - don't serialize style elements in body into
    plaintext**/
SimpleTest.waitForExplicitFinish();

window.onload = function() {
  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
  const Cc = Components.classes;
  const Ci = Components.interfaces;

  var encoder = Cc["@mozilla.org/layout/documentEncoder;1?type=text/html"]
                   .createInstance(Ci.nsIDocumentEncoder);

  var doc = $("testframe").contentDocument;

  encoder.init(doc, "text/plain", encoder.OutputBodyOnly);
  encoder.setCharset("UTF-8");

  var out = encoder.encodeToString();

  is(out, "foo", "style content serialized in plaintext?");

  SimpleTest.finish();
}
</script>
</pre>
</body>
</html>