byte[] nodeAddress = addrEntry[0].getAddress();
        assertNotNull(nodeAddress, "Node address should not be null");
        // Note: Cannot test isGroupAddress() and getNodeType() without CIFSContext in unit test
        // These methods require network operations and are integration test material
    }

    @Test
    void readRDataWireFormat_shouldSetNbtAddress_whenAddressIsNonZero_groupNameTrue_nodeTypeNonZero()

import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import jcifs.Address;
import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Config;
import jcifs.DfsReferralData;
import jcifs.NameServiceClient;
import jcifs.SmbConstants;
import jcifs.config.PropertyConfiguration;
import jcifs.context.BaseContext;

import jcifs.smb.DfsImpl;
import jcifs.smb.SmbTransportInternal;

@ExtendWith(MockitoExtension.class)
class DfsResolverTest {

    private DfsResolver dfsResolver;

    @Mock
    private CIFSContext mockContext;

    @Mock
    private Configuration mockConfig;

    @Mock
    private Credentials mockCredentials;

    @Mock
    private SmbTransportPool mockTransportPool;

    @Mock

import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

import jcifs.Address;
import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.Credentials;
import jcifs.smb1.smb1.BufferCache;

/**
 * Comprehensive performance tests for critical performance fixes
 */
public class CriticalPerformanceTest {

    private CIFSContext mockContext;
    private Configuration mockConfig;
    private Credentials mockCredentials;

    }

    @Test
    @DisplayName("Context should implement CIFSContext interface")
    void testInterfaceImplementation() {
        // Then
        assertTrue(context instanceof jcifs.CIFSContext, "BaseContext should implement CIFSContext interface");
    }

    @Test
    @DisplayName("Context should extend AbstractCIFSContext")

    private String share; // Can be null

    private Address[] addresses;
    private int addressIndex;
    private int type;

    private final CIFSContext ctx;

    /**
     *
     * @param ctx
     * @param u
     */
    public SmbResourceLocatorImpl(final CIFSContext ctx, final URL u) {
        this.ctx = ctx;
        this.url = u;
    }

    /**
     * {@inheritDoc}
     *

 * Tests the contract and behavior of Address implementations.
 */
@DisplayName("Address Interface Tests")
class AddressTest extends BaseTest {

    @Mock
    private CIFSContext mockContext;

    @Mock
    private Address mockAddress;

    @Test
    @DisplayName("Address interface should define correct method signatures")
    void testInterfaceContract() {
        // Given

import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;

import javax.security.auth.Subject;

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

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.DialectVersion;
import jcifs.RuntimeCIFSException;
import jcifs.SmbConstants;
import jcifs.SmbSession;

        }

        @Test
        @DisplayName("getContext should return CIFSContext")
        void testGetContext() throws CIFSException {
            // Given
            SmbResource resource = createMockResource();
            when(resource.getContext()).thenReturn(mockContext);

            // When
            CIFSContext context = resource.getContext();

            // Then

import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;

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

import jcifs.CIFSContext;
import jcifs.smb.SmbFile;

/**
 * SMB2/SMB3 Lease Manager
 *
 * Manages lease state for SMB2/SMB3 connections
 */
public class LeaseManager {