void nullName() {
            FileEntry mock = mock(FileEntry.class);
            when(mock.getName()).thenReturn(null);
            assertNull(mock.getName());
        }

        @Test
        @DisplayName("Negative length is allowed via mock")
        void negativeLength() {
            FileEntry mock = mock(FileEntry.class);
            when(mock.length()).thenReturn(-10L);
            assertEquals(-10L, mock.length());

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

/**
 * Unit tests for the {@link TransTransactNamedPipeResponse} class.
 */
class TransTransactNamedPipeResponseTest {

    @Mock
    private SmbNamedPipe mockPipe;

    @Mock
    private TransactNamedPipeInputStream mockPipeIn;

    @InjectMocks

    @BeforeEach
    void setUp() throws IOException {
        // Mock the CIFSContext and its dependencies
        mockContext = mock(CIFSContext.class);
        mockConfig = mock(Configuration.class);
        mockCredentials = mock(Credentials.class);
        mockTransportPool = mock(SmbTransportPool.class);

        // Set up mock behaviors
        when(mockContext.getConfig()).thenReturn(mockConfig);

        // 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;

      };

  public void testSchedule() {
    MockExecutor mock = new MockExecutor();
    TestExecutor testExecutor = new TestExecutor(mock);

    Future<?> unused1 = testExecutor.schedule(DO_NOTHING, 10, MINUTES);
    mock.assertLastMethodCalled("scheduleRunnable", 10, MINUTES);

    Future<?> unused2 = testExecutor.schedule(callable(DO_NOTHING), 5, SECONDS);
    mock.assertLastMethodCalled("scheduleCallable", 5, SECONDS);
  }

        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 {

        lock.encode(new byte[20], 0); // initialise fields by encoding to set pid etc (though not needed)
        setField(lock, "pid", 123);
        setField(lock, "byteOffset", 100L);
        setField(lock, "lengthInBytes", 200L);
        LockingAndXRange unlock = new LockingAndXRange(false);
        setField(unlock, "pid", 456);
        setField(unlock, "byteOffset", 300L);
        setField(unlock, "lengthInBytes", 400L);

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() {

 */
@ExtendWith(MockitoExtension.class)
class SmbTreeInternalTest {

    @Mock
    private SmbTreeInternal tree;

    @Mock
    private CIFSContext context;

    @Mock
    private Request<CommonServerMessageBlockResponse> request;

    @Mock
    private CommonServerMessageBlockResponse response;

    @Test
    @DisplayName("connectLogon invokes underlying implementation")

@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
    private SmbTransportInternal mockTransport;

    @BeforeEach
    void setUp() {