// Setup request session
        lenient().when(request.getSession()).thenReturn(session);
        lenient().when(request.getSession(false)).thenReturn(session);
        lenient().when(request.getSession(true)).thenReturn(session);

        // Setup default session attribute behavior
        lenient().when(session.getAttribute(anyString())).thenReturn(null);

    }

    // Happy path: session retrieval by context
    @Test
    @DisplayName("getSmbSession(ctx) returns a session and verifies argument")
    void getSmbSession_byContext() {
        when(transport.getSmbSession(any(jcifs.CIFSContext.class))).thenReturn(session);
        SmbSession result = transport.getSmbSession(ctx);
        assertSame(session, result);
        verify(transport).getSmbSession(eq(ctx));

    private final int maxChannels;
    private final AtomicInteger channelCounter;
    
    public ChannelManager(CIFSContext context, SmbSession session) {
        this.context = context;
        this.session = session;
        this.channels = new ConcurrentHashMap<>();
        this.localInterfaces = new ArrayList<>();
        this.remoteInterfaces = new ArrayList<>();

                if (Objects.equals(loc.getShare(), t.getShare())) {
                    try (SmbSessionImpl session = t.getSession()) {
                        targetDomain = session.getTargetDomain();
                        if (!session.isFailed()) {
                            try (SmbTransportImpl trans = session.getTransport();
                                    SmbTreeImpl ct = connectTree(loc, host, t.getShare(), trans, t, null)) {

 */

package jcifs.netbios;

import java.io.IOException;
import java.io.InputStream;

import jcifs.Configuration;
import jcifs.NetbiosName;

/**
 * NetBIOS session request packet implementation.
 * This packet is used to initiate NetBIOS session connections.
 */
public class SessionRequestPacket extends SessionServicePacket {

    private final Name calledName, callingName;

            when(request.getSession()).thenReturn(session);

            ntlmServlet.service(request, response);

            // Verify that user information is stored in the session
            verify(session).setAttribute("NtlmHttpAuth", ntlmAuth);
            verify(session).setAttribute("ntlmuser", "user");
            verify(session).setAttribute("ntlmdomain", "TEST_DOMAIN");

import java.io.IOException;
import java.io.InputStream;

/**
 * Abstract base class for NetBIOS session service packets.
 * This class provides common functionality for session layer communication.
 */
public abstract class SessionServicePacket {

    /**
     * Default constructor for SessionServicePacket.
     * Creates a new session service packet instance.
     */
    public SessionServicePacket() {
        // Default constructor

    SmbTreeImpl(final SmbSessionImpl session, final String share, final String service) {
        this.session = session.acquire();
        this.share = share.toUpperCase();
        if (service != null && !service.startsWith("??")) {
            this.service = service;
        }
        this.service0 = this.service;

        this.traceResource = this.session.getConfig().isTraceResourceUsage();

    /** Called name not present */
    public static final int CALLED_NOT_PRESENT = 0x82;
    /** Insufficient resources to establish session */
    public static final int NO_RESOURCES = 0x83;
    /** Unspecified session service error */
    public static final int UNSPECIFIED = 0x8F;

    /** The NetBIOS error class */
    public int errorClass;
    /** The NetBIOS error code */

        when(session.acquire()).thenReturn(session);
        when(config.isTraceResourceUsage()).thenReturn(false);
        when(context.getConfig()).thenReturn(config);
        when(session.isConnected()).thenReturn(true);
    }

    // Test case for the constructor of SmbTreeImpl
    @Test
    void testSmbTreeImplConstructor() {
        SmbTreeImpl tree = new SmbTreeImpl(session, "SHARE", "A:");