ntlmServlet.service(request, response);

        verify(response).setHeader("WWW-Authenticate", "NTLM");
        verify(response).addHeader("WWW-Authenticate", "Basic realm=\"TestRealm\"");
        verify(response).setStatus(HttpServletResponse.SC_UNAUTHORIZED);
    }

    /**
     * Test the service method with a valid NTLM Authorization header.
     * Simulates a successful NTLM authentication.
     * @throws ServletException

        // Verify
        assertNull(result, "Authentication result should be null");
        verify(mockResponse).setHeader("WWW-Authenticate", "NTLM");
        verify(mockResponse).setStatus(HttpServletResponse.SC_UNAUTHORIZED);
        verify(mockResponse).setContentLength(0);
        verify(mockResponse).flushBuffer();
    }

    /**

        }

        // Should have some state
        AuthenticationRateLimiter.RateLimiterStats stats = rateLimiter.getStats();
        assertTrue(stats.getActiveAccounts() > 0);

        // Reset
        rateLimiter.reset();

        // State should be cleared
        stats = rateLimiter.getStats();
        assertEquals(0, stats.getTotalBlocked());
        assertEquals(0, stats.getAccountsLocked());

    /**
     * Test run method with no URLs in queue.
     */
    public void test_run_noUrlsInQueue() throws Exception {
        when(urlQueueService.poll(anyString())).thenReturn(null);
        crawlerContext.setStatus(CrawlerStatus.RUNNING);
        crawlerContext.maxThreadCheckCount = 1; // Will exit after 1 check

        crawlerThread.run();

        verify(urlQueueService, times(1)).poll(anyString());
    }

        setStatus(response, NtStatus.NT_STATUS_NOTIFY_ENUM_DIR);
        assertFalse(response.isErrorResponseStatus());

        // Test with success status
        setStatus(response, NtStatus.NT_STATUS_SUCCESS);
        assertFalse(response.isErrorResponseStatus());

        // Test with error status
        setStatus(response, NtStatus.NT_STATUS_ACCESS_DENIED);

        });
    }

    @Test
    public void testStatistics() throws Exception {
        // Reset stats
        validator.resetStats();

        ServerResponseValidator.ValidationStats stats = validator.getStats();
        assertEquals(0, stats.getTotalValidations());
        assertEquals(0, stats.getFailedValidations());

        // Perform some validations
        try {

                // Mark response as received and set status = NT_STATUS_NO_SUCH_FILE
                setStatus(qr, NtStatus.NT_STATUS_NO_SUCH_FILE);
                qr.received();
                q.setResponse(qr);
                // Now emulate error thrown by transport for create chain

                    response.addHeader("WWW-Authenticate", "Basic realm=\"" + this.realm + "\"");
                }
                response.setHeader("Connection", "close");
                response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
                response.flushBuffer();
                return;
            }
            final HttpSession ssn = request.getSession();

        accessResult1.setMimeType("text/plain");
        accessResult1.setParentUrl("http://www.parent.com/");
        accessResult1.setRuleId("htmlRule");
        accessResult1.setSessionId("id1");
        accessResult1.setStatus(200);
        accessResult1.setUrl("http://www.id1.com/");

        dataService.store(accessResult1);

        final AccessResult accessResult2 = dataService.getAccessResult("id1", "http://www.id1.com/");

                if (OPTIONS.equals(httpRequest.getMethod())) {
                    final HttpServletResponse httpResponse = (HttpServletResponse) response;
                    httpResponse.setStatus(HttpServletResponse.SC_ACCEPTED);
                    return;
                }
            } else if (logger.isDebugEnabled()) {
                logger.debug("No CorsHandler: origin={}", origin);
            }
        }