<!DOCTYPE HTML>
<html>
<head>
  <title>Test for Principal in MessageManager</title>
  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
</head>
<body>

  <script type="application/javascript">
    "use strict";

    var sb = new Cu.Sandbox('https://example.com', { wantGlobalProperties: [ 'Blob', 'URL' ] });
    Cu.evalInSandbox('var u = URL.createObjectURL(new Blob(["text"], { type: "text/plain" }));', sb);
    Cu.nukeSandbox(sb);
    Cu.forceCC();

    ok(true, "are we leaking blobs?");

  </script>
</body>
</html>
