cbToClose.close();
    }

    @Test
    public void testEnhancedMetricsTracking() throws Exception {
        SmbCircuitBreaker cbWithEnhanced = new SmbCircuitBreaker("enhanced-test");

        try {
            // Execute operations to generate metrics
            for (int i = 0; i < 5; i++) {
                cbWithEnhanced.executeWithCircuitBreaker(() -> "success");
            }

import org.codelibs.fess.crawler.entity.ExtractData;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * Enhanced test class for FilenameExtractor covering edge cases and new functionality.
 */
public class FilenameExtractorEnhancedTest extends PlainTestCase {

    private FilenameExtractor filenameExtractor;

    @Override

import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;

/**
 * SMB1 Open AndX request message.
 *
 * This command is used to open or create a file for access over
 * the network with enhanced capabilities compared to the basic Open command.
 */
public class SmbComOpenAndX extends AndXServerMessageBlock {

    // flags (not the same as flags constructor argument)

- **SMB 2.0.2**: Windows Vista+ (0x0202)
- **SMB 2.1**: Windows 7/Server 2008R2 (0x0210)
- **SMB 3.0**: Windows 8/Server 2012 (0x0300) - AES-128-CCM encryption
- **SMB 3.0.2**: Windows 8.1/Server 2012R2 (0x0302) - Enhanced encryption
- **SMB 3.1.1**: Windows 10/Server 2016+ (0x0311) - AES-128-GCM + Pre-Auth Integrity

**Protocol Selection:**
- Default Range: SMB1 to SMB 3.1.1

import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.codelibs.fess.crawler.exception.ExtractException;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * Enhanced test class for TextExtractor covering improved error messages and edge cases.
 */
public class TextExtractorEnhancedTest extends PlainTestCase {

    private TextExtractor textExtractor;

    @Override

	// DefaultMaxHeaderBytes - default maximum HTTP header size in bytes.
	DefaultMaxHeaderBytes = 1 * humanize.MiByte
)

// Server - extended http.Server supports multiple addresses to serve and enhanced connection handling.
type Server struct {
	http.Server
	Addrs         []string      // addresses on which the server listens for new connection.

    public static boolean isNewerThan410(String modelVersion) {
        if (modelVersion == null) {
            return false;
        }

        // Simple version comparison for now
        // This could be enhanced with proper version parsing if needed
        try {
            String[] parts = modelVersion.split("\\.");
            if (parts.length >= 2) {
                int major = Integer.parseInt(parts[0]);

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import jcifs.CIFSException;
import jcifs.smb.PreauthIntegrityService.PreauthIntegrityContext;

/**
 * Comprehensive tests for enhanced pre-authentication integrity service.
 */
public class PreauthIntegrityServiceTest {

    private PreauthIntegrityService preauthService;
    private SecureRandom secureRandom;

    @BeforeEach

import java.util.concurrent.ConcurrentMap;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;
import jcifs.internal.smb2.nego.PreauthIntegrityNegotiateContext;

/**
 * Enhanced Pre-Authentication Integrity Service for SMB 3.1.1.
 *
 * Provides comprehensive pre-authentication integrity protection against
 * downgrade attacks by maintaining cryptographic hash chains of all

             * the activated profiles can cause repo declarations to be lost which in turn will result in artifact
             * resolution failures, in particular when using the enhanced local repo which guards access to local files
             * based on the configured remote repos.
             */
            MavenSession session = legacySupport.getSession();
            if (session != null) {