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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>Test for Handling of unsafe bidi chars</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<iframe id="test"></iframe>
<script type="text/javascript">
var unsafeBidiChars = [
  "\xe2\x80\xaa", // LRE
  "\xe2\x80\xab", // RLE
  "\xe2\x80\xac", // PDF
  "\xe2\x80\xad", // LRO
  "\xe2\x80\xae",  // RLO
];

var tests = [
  "{1}.test",
  "{1}File.test",
  "Fi{1}le.test",
  "File{1}.test",
  "File.{1}test",
  "File.te{1}st",
  "File.test{1}",
  "File.{1}",
];

function replace(name, x) {
  return name.replace(/\{1\}/, x);
}

function sanitize(name) {
  return replace(name, "_");
}

add_task(async function() {
  function promiseMessage(messageName) {
    return new Promise(resolve => {
      chromeScript.addMessageListener(messageName, function listener(data) {
        chromeScript.removeMessageListener(messageName, listener);
        resolve(data);
      });
    });
  }

  let url = SimpleTest.getTestFileURL("HelperAppLauncherDialog_chromeScript.js");
  let chromeScript = SpecialPowers.loadChromeScript(url);

  function wrongAPICallListener(msg) {
    ok(
      false,
      `Called ${msg} when always ask pref was set to ${
        Services.prefs.getBoolPref(
          "browser.download.always_ask_before_handling_new_types"
        )
      }, which shouldn't happen.`
    );
  }
  chromeScript.addMessageListener("wrongAPICall", wrongAPICallListener);

  for (let prefVal of [false, true]) {
    await SpecialPowers.pushPrefEnv({
      set: [["browser.download.always_ask_before_handling_new_types", prefVal]]
    });
    for (let test of tests) {
      for (let char of unsafeBidiChars) {
        let promiseName = promiseMessage("suggestedFileName");
        let name = replace(test, char);
        let expected = sanitize(test);
        document.getElementById("test").src =
          "unsafeBidiFileName.sjs?name=" + encodeURIComponent(name);
        is((await promiseName), expected, "got the expected sanitized name");
      }
    }
  }

  // Clean up.
  let promise = promiseMessage("unregistered");
  chromeScript.sendAsyncMessage("unregister");
  await promise;

  chromeScript.removeMessageListener("wrongAPICall", wrongAPICallListener);
  chromeScript.destroy();
});
</script>
</body>
</html>