import org.mockito.junit.jupiter.MockitoSettings;
import org.mockito.quality.Strictness;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.SmbSession;
import jcifs.SmbTransport;
import jcifs.internal.CommonServerMessageBlock;

/**
 * Unit tests for ChannelManager
 */
@ExtendWith(MockitoExtension.class)
@MockitoSettings(strictness = Strictness.LENIENT)
class ChannelManagerTest {

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

import jcifs.Address;
import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.DfsReferralData;
import jcifs.SmbSession;
import jcifs.SmbTransport;
import jcifs.smb.SmbException;
import jcifs.smb.SmbTransportInternal;

/**
 * RDMA-enabled SMB transport that wraps existing SMB transport
 * and adds RDMA capabilities for direct memory access operations.
 */

     * @param auth the NTLM password authentication credentials
     * @throws SmbException if MD5 algorithm is not available or key generation fails
     */
    public SigningDigest(final SmbTransport transport, final NtlmPasswordAuthentication auth) throws SmbException {
        try {
            digest = MessageDigest.getInstance("MD5");
        } catch (final NoSuchAlgorithmException ex) {

import org.junit.jupiter.api.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

class SmbTreeTest {

    @Mock
    private SmbSession session;

    @Mock
    private SmbTransport transport;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        // Setup transport fields that are accessed directly
        transport.tconHostName = "testHost";

        });
}

private void scheduleAddressChange(InetAddress newAddress) {
    CompletableFuture.runAsync(() -> {
        try {
            // Create new transport to new address
            SmbTransport newTransport = new SmbTransport(context, newAddress, transport.getPort());
            
            // Disconnect old transport
            transport.disconnect();
            
            // Replace with new transport

                        log.println("DFS redirect: " + dr);
                    }

                    final UniAddress addr = UniAddress.getByName(dr.server);
                    final SmbTransport trans = SmbTransport.getSmbTransport(addr, url.getPort());
                    /* This is a key point. This is where we set the "tree" of this file which
                     * is like changing the rug out from underneath our feet.

    }
}
```

### 6.3 Session Integration
```java
// In SmbSession.java
private PersistentHandleManager handleManager;

public SmbSession(CIFSContext context, SmbTransport transport) {
    // ... existing initialization ...
    
    if (context.getConfig().isUseDurableHandles()) {
        this.handleManager = new PersistentHandleManager(context);
    }
}

                service = service0;

                /*
                 * Tree Connect And X Request / Response
                 */

                if (LogStream.level >= 4) {
                    SmbTransport.log.println("treeConnect: unc=" + unc + ",service=" + service);
                }

                final SmbComTreeConnectAndXResponse response = new SmbComTreeConnectAndXResponse(andxResponse);

import java.util.Date;

import jcifs.smb1.util.Hexdump;
import jcifs.smb1.util.LogStream;

class SmbComNegotiateResponse extends ServerMessageBlock {

    int dialectIndex;
    SmbTransport.ServerData server;

    SmbComNegotiateResponse(final SmbTransport.ServerData server) {
        this.server = server;
    }

    @Override
    int writeParameterWordsWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

        }
        return getNegotiateResponse().isSigningRequired();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbTransport#unwrap(java.lang.Class)
     */
    @SuppressWarnings("unchecked")
    @Override
    public <T extends SmbTransport> T unwrap(final Class<T> type) {
        if (type.isAssignableFrom(this.getClass())) {
            return (T) this;
        }