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<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
</head>
<body>
<!-- iframe loading the blob url with null origin -->
<iframe id="blobFrame"></iframe>
<script>
  // If the alert box is blocked correctly by the CSP then postMessage will
  // send the message and test passes.
  var alertScriptText = "data:text/html,<script>location=URL.createObjectURL(" +
        "new Blob(['<script>alert(document.URL);parent.parent.postMessage(" +
        "{\"test\": \"block_alert_test\", \"msg\": \"alert blocked by" +
        " CSP\"}, \"*\");<\\/script>'], {type:\"text/html\"}));<\/script>";
  document.getElementById("blobFrame").src=alertScriptText;
  try {
    var w = window.open("http://www.example.com","newwindow");
    parent.postMessage({"test": "block_window_open_test",
                               "msg": "new window not blocked by CSP"},"*");
  } catch(err) {
    parent.postMessage({"test": "block_window_open_test",
                               "msg": "window blocked by CSP"},"*");
  }
</script>
</body>
</html>