private CIFSContext mockContext;
    private SmbTransportImpl mockTransport;
    private Configuration mockConfig;
    private Credentials mockCredentials;
    private CredentialsInternal mockCredentialsInternal;

    @BeforeEach
    public void setUp() {
        mockContext = Mockito.mock(CIFSContext.class);
        mockTransport = Mockito.mock(SmbTransportImpl.class);
        mockConfig = Mockito.mock(Configuration.class);

    @Mock
    private Configuration configuration;
    @Mock
    private Credentials credentials;
    @Mock
    private CredentialsInternal credentialsInternal;
    @Mock
    private SmbTransportImpl transport;

    private SmbSessionImpl newSession() {
        return new SmbSessionImpl(cifsContext, "server.example", "EXAMPLE", transport);
    }

    @BeforeEach
    void setup() {

    private CIFSContext mockContext;
    private SmbTransportImpl mockTransport;
    private Configuration mockConfig;
    private Credentials mockCredentials;
    private CredentialsInternal mockCredentialsInternal;

    @BeforeEach
    public void setUp() {
        mockContext = Mockito.mock(CIFSContext.class);
        mockTransport = Mockito.mock(SmbTransportImpl.class);
        mockConfig = Mockito.mock(Configuration.class);

            return null;
        }
        final SmbTransportImpl transport = getReferralTransport(tf, getDcReferrals(tf, domain));
        if (transport == null && log.isDebugEnabled()) {
            log.debug(String.format("Failed to connect to domain controller for %s", domain));
        }
        return transport;
    }

class SmbTreeImplTest {

    @Mock
    private SmbSessionImpl session;

    @Mock
    private Configuration config;

    @Mock
    private CIFSContext context;

    @Mock
    private SmbTransportImpl transport;

    @BeforeEach
    void setUp() throws Exception {
        MockitoAnnotations.openMocks(this);
        when(session.getConfig()).thenReturn(config);

        SmbTreeConnection c = spy(newConn());
        SmbTreeImpl tree = mock(SmbTreeImpl.class);
        SmbSessionImpl session = mock(SmbSessionImpl.class);
        SmbTransportImpl transport = mock(SmbTransportImpl.class);

        when(tree.isConnected()).thenReturn(true);
        when(tree.getSession()).thenReturn(session);
        when(tree.acquire(false)).thenReturn(tree);

class SmbTreeHandleImplTest {

    @Mock
    SmbResourceLocatorImpl resourceLoc;

    @Mock
    SmbTreeConnection treeConnection;

    @Mock
    SmbSessionImpl session;

    @Mock
    SmbTransportImpl transport;

    @Mock
    Configuration config;

    private SmbTreeHandleImpl handle;

    @BeforeEach
    void setUp() {

        try (SmbTreeHandleImpl th = treeConn.connectHost(locator, locator.getServerWithDfs());
                SmbSessionImpl session = th.getSession();
                SmbTransportImpl transport = session.getTransport()) {
            try {
                entries = doMsrpcShareEnum(tc, locator, transport.getRemoteAddress());
            } catch (final IOException ioe) {

log4j.logger.jcifs: INFO
#log4j.logger.jcifs.internal.smb2.create: DEBUG
#log4j.logger.jcifs.smb.SmbTreeConnection: DEBUG
#log4j.logger.jcifs.smb.SmbTransportImpl: DEBUG
#log4j.logger.jcifs.util.transport.Transport: DEBUG
#log4j.logger.jcifs.smb.DfsImpl: DEBUG
#log4j.logger.jcifs.smb: DEBUG
#log4j.logger.jcifs.smb.SmbFileOutputStream: TRACE

    /**
     * Test session management thread safety with concurrent operations
     */
    @Test
    public void testSessionManagementConcurrentPerformance() throws Exception {
        SmbTransportImpl mockTransport = Mockito.mock(SmbTransportImpl.class);
        Mockito.when(mockTransport.acquire()).thenReturn(mockTransport);

        SmbSessionImpl session = new SmbSessionImpl(mockContext, "testhost", "testdomain", mockTransport);