when(mockCalledName.getNameType()).thenReturn(0x20);
        when(mockCalledName.getScope()).thenReturn(null);

        when(mockCallingName.getName()).thenReturn("CLIENT");
        when(mockCallingName.getNameType()).thenReturn(0x00);
        when(mockCallingName.getScope()).thenReturn(null);

        SessionRequestPacket packet = new SessionRequestPacket(mockConfig, mockCalledName, mockCallingName);

        if (entry == null)
            return false;

        LeaseManager.LeaseEntry leaseEntry = baseLeaseManager.getLease(entry.getLeaseKey());
        return leaseEntry != null && leaseEntry.hasReadCache();
    }

    /**
     * Get cached directory listing
     *
     * @param directoryPath directory path
     * @return list of cached files or null
     */

     */
    static public byte[] getBuffer() {
        // Try to get from cache first - O(1) operation
        byte[] buf = bufferQueue.poll();
        if (buf != null) {
            queueSize.decrementAndGet();
            return buf;
        }

        // Validate buffer size to prevent overflow
        int bufferSize = SmbComTransaction.TRANSACTION_BUF_SIZE;

    /**
     * File information class for basic directory information.
     */
    public static final byte FILE_DIRECTORY_INFO = 0x1;

    /**
     * File information class for full directory information.
     */
    public static final byte FILE_FULL_DIRECTORY_INFO = 0x2;

    /**
     * File information class for both names directory information.
     */

            if (this.netname != null) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(this.netname);

            }
            if (this.remark != null) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(this.remark);

            }
            if (this.path != null) {
                _dst = _dst.deferred;

      try {
        cache[key] ?: return null
      } catch (_: IOException) {
        return null // Give up because the cache cannot be read.
      }

    val entry: Entry =
      try {
        Entry(snapshot.getSource(ENTRY_METADATA))
      } catch (_: IOException) {
        snapshot.closeQuietly()
        return null
      }

    val response = entry.response(snapshot)

    @DisplayName("Edge and invalid inputs")
    class EdgeCases {

        @Test
        @DisplayName("read(null) throws NullPointerException")
        void readNullArrayThrows() throws Exception {
            SmbFileInputStream in = newStream();
            assertThrows(NullPointerException.class, () -> in.read(null));
        }

        @Test
        @DisplayName("readDirect with len <= 0 returns 0")

  private <T extends Iterator<E>> void internalExecuteAndCompare(
      T reference, T target, IteratorOperation method) {
    Object referenceReturnValue = null;
    PermittedMetaException referenceException = null;
    Object targetReturnValue = null;
    Exception targetException = null;

    try {
      targetReturnValue = method.execute(target);
    } catch (Exception e) { // sneaky checked exception
      targetException = e;

        this.andx = andx;
        if (andx != null) {
            this.andxCommand = (byte) andx.getCommand();
        }
    }

    /**
     * Constructs an AndX message block with configuration
     * @param config the configuration
     */
    protected AndXServerMessageBlock(final Configuration config) {
        this(config, null);
    }

    /**
     * Constructs an AndX message block with configuration and chained command

    private SmbComBlankResponse blank_resp = null;
    private DfsReferral dfsReferral = null; // For getDfsPath() and getServerWithDfs()

    /**
     * DFS resolver instance
     */
    protected static Dfs dfs;

    NtlmPasswordAuthentication auth; // Cannot be null
    SmbTree tree = null; // Initially null
    String unc; // Initially null; set by getUncPath; never ends with '/'