content/base/test/test_bug810494.html

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=810494
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 810494</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="application/javascript" src="/tests/SimpleTest/SpecialPowers.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=810494">Mozilla Bug 810494</a>
<pre id="test">
<script type="application/javascript;version=1.8">

function test(tag, type) {
  "use strict";
  info("testing " + tag + " tag with type " + type);

  const OBJLC = Components.interfaces.nsIObjectLoadingContent;
  let obj = document.createElement(tag);
  obj.type = type;
  document.body.appendChild(obj);

  obj instanceof OBJLC;
  obj = SpecialPowers.wrap(obj);

  // We expect this tag to simply go to alternate content, not get a
  // pluginProblem binding or fire any events.
  ok(obj.displayedType == OBJLC.TYPE_NULL, "expected null type");
  ok(obj.pluginFallbackType == OBJLC.PLUGIN_ALTERNATE,
     "expected alternate fallback mode");
}

// Test all non-plugin types these tags can load to make sure none of them
// trigger plugin-specific fallbacks when loaded with no URI
test("object", "text/html");     // Document
test("object", "image/png");     // Image
test("object", "image/svg+xml"); // SVG Document

test("embed", "image/png");      // Image
test("embed", "image/svg+xml");  // SVG Document
</script>
</pre>
</body>
</html>