smbComRename = new SmbComRename(config, oldFileName, newFileName);
        int dstIndex = 50; // Start at offset 50

        // When
        int result = smbComRename.writeBytesWireFormat(dst, dstIndex);

        // Then
        assertTrue(result > 0);
        assertEquals((byte) 0x04, dst[dstIndex]); // First buffer format byte at offset
    }

    /**

    @Override
    public int encode(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt2(this.ciphers != null ? this.ciphers.length : 0, dst, dstIndex);
        dstIndex += 2;

        if (this.ciphers != null) {
            for (final int cipher : this.ciphers) {
                SMBUtil.writeInt2(cipher, dst, dstIndex);
                dstIndex += 2;
            }
        }

        dst[dstIndex] = this.getSubCommand();
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        return 2;
    }

    @Override
    protected int writeParametersWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        dstIndex += this.request.encode(dst, dstIndex);
        return dstIndex - start;
    }

    @Override

    }

    @Override
    protected int writeSetupWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    protected int writeParametersWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    protected int writeDataWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override

        setupCount = 2;
    }

    @Override
    int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        dst[dstIndex] = subCommand;
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        // this says "Transaction priority" in netmon
        writeInt2(fid, dst, dstIndex);
        return 4;
    }

    @Override

    private void writeInt2(int val, byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dst[dstIndex + 1] = (byte) (val >> 8);
    }

    private void writeInt4(int val, byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dst[dstIndex + 1] = (byte) (val >> 8);
        dst[dstIndex + 2] = (byte) (val >> 16);
        dst[dstIndex + 3] = (byte) (val >> 24);
    }

    @Override
    public int encode(final byte[] dst, int dstIndex) {
        final int start = this.headerStart = dstIndex;

        dstIndex += writeHeaderWireFormat(dst, dstIndex);
        this.wordCount = writeParameterWordsWireFormat(dst, dstIndex + 1);
        dst[dstIndex] = (byte) (this.wordCount / 2 & 0xFF);
        dstIndex++;
        dstIndex += this.wordCount;
        this.wordCount /= 2;

        writeInt2(0, dst, dstIndex);
        dstIndex += 2;

        return dstIndex - start;
    }

    @Override
    int writeDataWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        writeTime(createTime, dst, dstIndex);
        dstIndex += 8;
        writeInt8(0L, dst, dstIndex);
        dstIndex += 8;
        writeTime(lastWriteTime, dst, dstIndex);
        dstIndex += 8;

    }

    /**
     * Write the lease key to a buffer
     *
     * @param dst destination buffer
     * @param dstIndex starting index in destination buffer
     */
    public void encode(byte[] dst, int dstIndex) {
        System.arraycopy(key, 0, dst, dstIndex, LEASE_KEY_SIZE);
    }

    /**
     * Check if this is a zero key (all bytes are zero)
     *
     * @return true if all bytes are zero

            System.arraycopy(ntHash, 0, dst, dstIndex, ntHash.length);
            dstIndex += ntHash.length;

            dstIndex += writeString(accountName, dst, dstIndex);
            dstIndex += writeString(primaryDomain, dst, dstIndex);
        }
        dstIndex += writeString(SmbConstants.NATIVE_OS, dst, dstIndex);
        dstIndex += writeString(SmbConstants.NATIVE_LANMAN, dst, dstIndex);