<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Bug 1398692: Allow toplevel navigation to a data:application/pdf</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<script class="testbody" type="text/javascript">

SimpleTest.waitForExplicitFinish();

function test_toplevel_data_pdf() {
  // The PDF contains one page and it is a 3/72" square, the minimum allowed by the spec
  const DATA_PDF =
    "data:application/pdf;base64,JVBERi0xLjANCjEgMCBvYmo8PC9UeXBlL0NhdGFsb2cvUGFnZXMgMiAwIFI+PmVuZG9iaiAyIDAgb2JqPDwvVHlwZS9QYWdlcy9LaWRzWzMgMCBSXS9Db3VudCAxPj5lbmRvYmogMyAwIG9iajw8L1R5cGUvUGFnZS9NZWRpYUJveFswIDAgMyAzXT4+ZW5kb2JqDQp4cmVmDQowIDQNCjAwMDAwMDAwMDAgNjU1MzUgZg0KMDAwMDAwMDAxMCAwMDAwMCBuDQowMDAwMDAwMDUzIDAwMDAwIG4NCjAwMDAwMDAxMDIgMDAwMDAgbg0KdHJhaWxlcjw8L1NpemUgNC9Sb290IDEgMCBSPj4NCnN0YXJ0eHJlZg0KMTQ5DQolRU9G";

  let win = window.open(DATA_PDF);
  let wrappedWin = SpecialPowers.wrap(win);

  // Unfortunately we can't detect whether the PDF has loaded or not using some
  // event, hence we are constantly polling location.href till we see that
  // the data: URI appears. Test times out on failure.
  var pdfLoaded = setInterval(function() {
    if (wrappedWin.document.location.href.startsWith("data:application/pdf")) {
      clearInterval(pdfLoaded);
      ok(true, "navigating to data:application/pdf allowed");
      wrappedWin.close();
      SimpleTest.finish();
    }
  }, 200);
}

SpecialPowers.pushPrefEnv({
  set: [["security.data_uri.block_toplevel_data_uri_navigations", true]]
}, test_toplevel_data_pdf);

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