byte[] buf = new byte[50];
            byte[] inB = new byte[100];

            // Setup fragment length in response buffer
            Encdec.enc_uint16le((short) 40, inB, 8);

            when(mockSmbPipeHandleInternal.isStale()).thenReturn(false);
            when(mockSmbPipeHandleInternal.sendrecv(buf, 0, 50, inB, 4280)).thenReturn(40);

    void testInt16Operations() {
        // Given
        short value = 0x1234;
        byte[] buffer = new byte[2];

        // When - encode little endian
        Encdec.enc_uint16le(value, buffer, 0);
        short decoded = (short) Encdec.dec_uint16le(buffer, 0);

        // Then
        assertEquals(value, decoded);
        assertEquals(0x34, buffer[0] & 0xFF);
        assertEquals(0x12, buffer[1] & 0xFF);
    }

     */
    public void enc_ndr_string(final String s) {
        align(4);
        int i = index;
        final int len = s.length();
        Encdec.enc_uint32le(len + 1, buf, i);
        i += 4;
        Encdec.enc_uint32le(0, buf, i);
        i += 4;
        Encdec.enc_uint32le(len + 1, buf, i);
        i += 4;
        try {
            System.arraycopy(s.getBytes("UTF-16LE"), 0, buf, i, len * 2);

     * @param di the starting index in the destination array
     * @return the number of bytes written (8)
     */
    public static int enc_uint64le(final long l, final byte[] dst, final int di) {
        enc_uint32le((int) (l & 0xFFFFFFFFL), dst, di);
        enc_uint32le((int) (l >> 32L & 0xFFFFFFFFL), dst, di + 4);
        return 8;
    }

    /**
     * Decodes a 64-bit unsigned integer from big-endian byte order.

    public void enc_ndr_string(final String s) {
        align(4);
        int i = this.index;
        final int len = s.length();
        Encdec.enc_uint32le(len + 1, this.buf, i);
        i += 4;
        Encdec.enc_uint32le(0, this.buf, i);
        i += 4;
        Encdec.enc_uint32le(len + 1, this.buf, i);
        i += 4;
        System.arraycopy(Strings.getUNIBytes(s), 0, this.buf, i, len * 2);
        i += len * 2;

     * @param di the starting index in the destination array
     * @return the number of bytes written (8)
     */
    public static int enc_uint64le(final long l, final byte[] dst, final int di) {
        enc_uint32le((int) (l & 0xFFFFFFFFL), dst, di);
        enc_uint32le((int) (l >> 32L & 0xFFFFFFFFL), dst, di + 4);
        return 8;
    }

    /**
     * Decodes a 64-bit unsigned integer from big-endian byte order.

        Encdec.enc_uint32le(0x00000101, blob, 0); // Header
        Encdec.enc_uint32le(0x00000000, blob, 4); // Reserved
        Encdec.enc_uint64le(nanos1601, blob, 8);
        System.arraycopy(clientChallenge, 0, blob, 16, 8);
        Encdec.enc_uint32le(0x00000000, blob, 24); // Unknown
        System.arraycopy(avPairs, 0, blob, 28, avPairsLength);
        Encdec.enc_uint32le(0x00000000, blob, 28 + avPairsLength);

        final byte[] temp = new byte[28 + avPairsLength + 4];

        Encdec.enc_uint32le(0x00000101, temp, 0); // Header
        Encdec.enc_uint32le(0x00000000, temp, 4); // Reserved
        Encdec.enc_uint64le(nanos1601, temp, 8);
        System.arraycopy(clientChallenge, 0, temp, 16, 8);
        Encdec.enc_uint32le(0x00000000, temp, 24); // Unknown
        if (avPairs != null) {

        final byte[] temp = new byte[28 + targetInfoLength + 4];

        Encdec.enc_uint32le(0x00000101, temp, 0); // Header
        Encdec.enc_uint32le(0x00000000, temp, 4); // Reserved
        Encdec.enc_uint64le(nanos1601, temp, 8);
        System.arraycopy(clientChallenge, 0, temp, 16, 8);
        Encdec.enc_uint32le(0x00000000, temp, 24); // Unknown
        if (targetInfo != null) {

    }

    @Override
    public final void writeShort(final int v) throws SmbException {
        Encdec.enc_uint16be((short) v, tmp, 0);
        write(tmp, 0, 2);
    }

    @Override
    public final void writeChar(final int v) throws SmbException {
        Encdec.enc_uint16be((short) v, tmp, 0);
        write(tmp, 0, 2);
    }

    @Override