@Test
    void testDfs() throws SmbException {
        SmbTreeImpl tree = new SmbTreeImpl(session, "SHARE", "A:");
        assertFalse(tree.isDfs());
        assertFalse(tree.isInDomainDfs());
        tree.markDomainDfs();
        assertTrue(tree.isInDomainDfs());
    }

    // Test case for treeConnect method with SMB1
    @Test
    void testTreeConnectSmb1() throws CIFSException, IOException {

public class PacDataInputStreamTest {

    // Helper to create PacDataInputStream from a byte array
    private PacDataInputStream createInputStream(byte[] data) throws IOException {
        return new PacDataInputStream(new ByteArrayInputStream(data));
    }

    @Test
    public void testAlign() throws IOException {
        // Test alignment from position 1 to 4
        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05 };

    /**
     * Close the file
     *
     * @throws SmbException if an I/O error occurs during close
     */
    @Override
    void close() throws SmbException;

    /**
     * Read a single byte from the current position
     *
     * @return read byte, -1 if EOF
     * @throws SmbException if an I/O error occurs during read
     */
    int read() throws SmbException;

    /**

     * @throws SettingsBuilderException if the effective settings could not be built
     */
    @Nonnull
    SettingsBuilderResult build(@Nonnull SettingsBuilderRequest request);

    /**
     * Builds the effective settings of the specified settings sources.
     *
     * @return the result of the settings building, never {@code null}

     *
     * @throws CIFSException if there is an error during initialization
     */
    protected void initDefaults() throws CIFSException {

        try {
            "".getBytes(SmbConstants.DEFAULT_OEM_ENCODING);
        } catch (final UnsupportedEncodingException uee) {
            throw new CIFSException(

            this.async = false;
            this.nextResponse = null;
        }

        // CommonServerMessageBlock interface methods
        @Override
        public int decode(byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
            // Mock implementation
            return 0;
        }

        @Override
        public int encode(byte[] dst, int dstIndex) {
            // Mock implementation

            return false;
        }

        @Override
        public void connect() throws IOException {
            // Do Nothing
        }

        @Override
        public int getResponseCode() throws IOException {
            return 200;
        }

        @Override
        public InputStream getInputStream() throws IOException {
            return new ByteArrayInputStream(new byte[100]); // dummy payload
        }

     *
     * @throws LoginException if authentication fails
     */
    public KerberosCredentials() throws LoginException {
        this(System.getProperty("jaaslounge.sso.jaas.config"));
    }

    /**
     * Creates KerberosCredentials using the specified JAAS login context.
     *
     * @param loginContextName the name of the JAAS login context
     * @throws LoginException if authentication fails
     */

     * @return an integer representing the exit code of the invocation (0 typically indicates success)
     * @throws InvokerException if an error occurs during the invocation process.
     */
    int invoke(@Nonnull InvokerRequest invokerRequest) throws InvokerException;

    /**
     * Closes and disposes of this {@link Invoker} instance, releasing any resources it may hold.

    /**
     * @throws Exception
     */
    @Test
    public void testGetFirstEntry() throws Exception {
        assertThat(list.getFirstEntry(), is(nullValue()));
        list.addFirst("1");
        assertThat(list.getFirstEntry().getElement(), is("1"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetFirst() throws Exception {
        try {