@Test
  public void testJavascriptLocales() {
    final String[] keys = {
      "err.pwd",
      "err.pwdConf",
      "err.mailRegist",
      "err.mail",
      "ok.mail",
      "ok.pwd",
      "ok.pwdConf",
      "cancel.confirm"
    };
    Map<String, String> map = controller.sendI18nToJavascript(new Locale("en", "US"));
    assertNotNull(map);

    for (String key : keys) {
      assertNotNull(map.get(key));
    }
  }