content/base/test/test_bug558431.html

<!DOCTYPE HTML>
<html>
<head>
  <title>Test for CSP async policy-uri</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>        
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<iframe id="cspframe"></iframe>
<script type="text/javascript">
// This tests that a policy is still attempted to be fetched
// asynchronously (bug 558431) and that a default policy of
// |allow 'none'| is applied when the fetching fails.

var f = document.getElementById("cspframe");
// run our test functions when the inner frame is finished loading
f.addEventListener('load', function() {
  var inner = this.contentDocument.getElementById("inner");
  var test = inner.contentDocument.getElementById("test");
  // the inner document should not exist because it has an invalid
  // policy-uri and should have been blocked by the default
  // |allow 'none'| policy that was applied
  is(test, null, "test inner document");
  SimpleTest.finish();
}, false);
// load the test frame
f.src = "file_bug558431.html";
SimpleTest.waitForExplicitFinish();
</script>
</body>
</html>