}
    }

    /**
     * Stops the crawling process.
     * Sets the crawler status to DONE and interrupts all crawler threads.
     */
    public void stop() {
        crawlerContext.setStatus(CrawlerStatus.DONE);
        try {
            if (crawlerThreadGroup != null) {
                crawlerThreadGroup.interrupt();
            }
        } catch (final Exception e) {
            // ignore

        // 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();
    }

    /**

                // 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

        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 {

                    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();

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

            }
        } else {
            resp.setHeader("WWW-Authenticate", "NTLM");
        }
        resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
        resp.setContentLength(0);
        resp.flushBuffer();
        return null;
    }

        this.available = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        setStatus(SMBUtil.readInt2(buffer, bufferIndex));
        return 6;
    }

    @Override
    protected int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

                resp.setHeader("WWW-Authenticate", "NTLM");
                if (offerBasic) {
                    resp.addHeader("WWW-Authenticate", "Basic realm=\"" + realm + "\"");
                }
                resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
                resp.setContentLength(0); /* Marcel Feb-15-2005 */
                resp.flushBuffer();
                return null;
            }