private CIFSContext mockDelegate;
    private Configuration mockConfiguration;
    private CIFSContextWrapper cifsContextWrapper;

    @BeforeEach
    void setUp() {
        mockDelegate = mock(CIFSContext.class);
        mockConfiguration = mock(Configuration.class);
        when(mockDelegate.getConfig()).thenReturn(mockConfiguration);

	// ErrIsNotEmpty is returned when the buffer is not empty and not blocking.
	ErrIsNotEmpty = errors.New("ringbuffer is not empty")

	// ErrAcquireLock is returned when the lock is not acquired on Try operations.
	ErrAcquireLock = errors.New("unable to acquire lock")

	// ErrWriteOnClosed is returned when write on a closed ringbuffer.
	ErrWriteOnClosed = errors.New("write on closed ringbuffer")
)

        // Mock the transport layer
        smbTransport = mock(SmbTransport.class);
        smbTransport.rcv_buf_size = 4096;
        smbTransport.snd_buf_size = 4096;

        // Mock the session layer
        smbSession = mock(SmbSession.class);
        smbSession.transport = smbTransport;

        // Mock the tree layer
        smbTree = mock(SmbTree.class);
        smbTree.session = smbSession;

class SmbTransportPoolImplTest {

    private SmbTransportPoolImpl pool;

    @Mock
    private CIFSContext ctx;
    @Mock
    private Configuration config;
    @Mock
    private NameServiceClient nameSvc;
    @Mock
    private Credentials creds;
    @Mock
    private Address address;
    @Mock
    private SmbNegotiationResponse negotiationResponse;

    @BeforeEach
    void setUp() {

    void copyFile_serverSide_zeroLength_happyPath() throws Exception {
        // Arrange
        SmbFile src = mock(SmbFile.class);
        SmbFile dest = mock(SmbFile.class);

        SmbTreeHandleImpl sh = mock(SmbTreeHandleImpl.class);
        SmbTreeHandleImpl dh = mock(SmbTreeHandleImpl.class);
        when(sh.isSMB2()).thenReturn(true);
        when(dh.isSMB2()).thenReturn(true);

    private StrategyOrchestrator orchestrator;
    private List<UpgradeStrategy> mockStrategies;

    @BeforeEach
    void setUp() {
        mockStrategies = List.of(mock(UpgradeStrategy.class), mock(UpgradeStrategy.class), mock(UpgradeStrategy.class));
        orchestrator = new StrategyOrchestrator(mockStrategies);
    }

    private UpgradeContext createMockContext() {
        return TestUtils.createMockContext();

import org.mockito.Mock;
import org.mockito.MockedStatic;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.CIFSException;
import jcifs.spnego.NegTokenInit;

@ExtendWith(MockitoExtension.class)
class Kerb5ContextTest {

    @Mock
    private GSSManager gssManager;

    @Mock
    private GSSContext gssContext;

    @Mock
    private GSSName serviceName;

    @Mock

        serverThread = new Thread(this::runServer, "MockWitnessService");
        serverThread.setDaemon(true);
        serverThread.start();

        log.info("Mock witness service started on port {}", serverSocket.getLocalPort());
    }

    /**
     * Stop the mock witness service
     */
    public void stop() {
        running.set(false);

        if (serverSocket != null && !serverSocket.isClosed()) {
            try {

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.dcerpc.DcerpcHandle;
import jcifs.smb.SmbException;

@ExtendWith(MockitoExtension.class)
class LsaPolicyHandleTest {

    @Mock
    private DcerpcHandle mockDcerpcHandle;

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

import jcifs.dcerpc.DcerpcHandle;
import jcifs.smb.SmbException;

class SamrAliasHandleTest {

    @Mock
    private DcerpcHandle mockDcerpcHandle;
    @Mock
    private SamrDomainHandle mockSamrDomainHandle;

    @BeforeEach
    void setUp() {