@Test
 public void testSecurityCheckParameters() {
   _authenticator.setAuth(new MockWindowsAuthProvider());
   SimpleHttpRequest request = new SimpleHttpRequest();
   request.addParameter("j_security_check", "");
   request.addParameter("j_username", WindowsAccountImpl.getCurrentUsername());
   request.addParameter("j_password", "");
   SimpleHttpResponse response = new SimpleHttpResponse();
   assertTrue(_authenticator.authenticate(request, response));
 }
  public void testProgrammaticSecurity() throws ServletException {
    _authenticator.setAuth(new MockWindowsAuthProvider());
    SimpleHttpRequest request = new SimpleHttpRequest();
    request.setContext((Context) _authenticator.getContainer());

    request.login(WindowsAccountImpl.getCurrentUsername(), "");

    assertEquals(WindowsAccountImpl.getCurrentUsername(), request.getRemoteUser());
    assertTrue(request.getUserPrincipal() instanceof GenericWindowsPrincipal);
    GenericWindowsPrincipal windowsPrincipal = (GenericWindowsPrincipal) request.getUserPrincipal();
    assertTrue(windowsPrincipal.getSidString().startsWith("S-"));
  }