void testDecode() throws SMBProtocolDecodingException {
        // Prepare buffer with known value
        long expectedValue = 0x0123456789ABCDEFL;
        byte[] buffer = new byte[16];
        SMBUtil.writeInt8(expectedValue, buffer, 0);

        // Decode
        int bytesRead = fileInfo.decode(buffer, 0, buffer.length);

        // Verify bytes read
        assertEquals(8, bytesRead);

        // Next command
        SMBUtil.writeInt4(0, buffer, headerStart + 20);
        // Message ID
        SMBUtil.writeInt8(1, buffer, headerStart + 24);
        // Reserved/Async ID
        SMBUtil.writeInt8(0, buffer, headerStart + 32);
        // Session ID
        SMBUtil.writeInt8(0, buffer, headerStart + 40);
        // Signature
        Arrays.fill(buffer, headerStart + 48, headerStart + 64, (byte) 0);

        dst[dstIndex + 3] = (byte) (val >> 24);
    }

    private void writeInt8(long val, byte[] dst, int dstIndex) {
        writeInt4((int) (val & 0xFFFFFFFFL), dst, dstIndex);
        writeInt4((int) (val >> 32), dst, dstIndex + 4);
    }

    private void writeTime(long t, byte[] dst, int dstIndex) {
        writeInt8(t, dst, dstIndex);
    }

        dstIndex += 2;

        // Flags (2 bytes)
        SMBUtil.writeInt2(this.flags, dst, dstIndex);
        dstIndex += 2;

        // Session ID (8 bytes)
        SMBUtil.writeInt8(this.sessionId, dst, dstIndex);
        dstIndex += 8;

        return dstIndex - start;
    }

    /**
     * Decode a transform header from byte array
     *
     * @param buffer

     * @param val the value to write
     * @param dst the destination byte array
     * @param dstIndex the starting index in the destination array
     */
    public static void writeInt8(long val, final byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dstIndex++;
        dst[dstIndex] = (byte) (val >>= 8);
        dst[++dstIndex] = (byte) (val >>= 8);

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#encode(byte[], int)
     */
    @Override
    public int encode(final byte[] dst, final int dstIndex) {
        SMBUtil.writeInt8(this.endOfFile, dst, dstIndex);
        return 8;
    }

    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#encode(byte[], int)
     */
    @Override
    public int encode(final byte[] dst, final int dstIndex) {
        SMBUtil.writeInt8(this.indexNumber, dst, dstIndex);
        return 8;
    }

    @Override
    public String toString() {
        return ("SmbQueryFileInternalInfo[" + "indexNumber=" + this.indexNumber + "]");
    }

        // CreationTime
        SMBUtil.writeInt8(0, buffer, dataOffset + 8);
        // LastAccessTime
        SMBUtil.writeInt8(0, buffer, dataOffset + 16);
        // LastWriteTime
        SMBUtil.writeInt8(0, buffer, dataOffset + 24);
        // ChangeTime
        SMBUtil.writeInt8(0, buffer, dataOffset + 32);
        // EndOfFile
        SMBUtil.writeInt8(0, buffer, dataOffset + 40);
        // AllocationSize

        SMBUtil.writeInt4(this.nextCommand, dst, dstIndex + 20);
        SMBUtil.writeInt8(this.mid, dst, dstIndex + 24);

        if (this.async) {
            SMBUtil.writeInt8(this.asyncId, dst, dstIndex + 32);
        } else {
            // 4 reserved
            SMBUtil.writeInt4(this.treeId, dst, dstIndex + 36);
        }
        SMBUtil.writeInt8(this.sessionId, dst, dstIndex + 40);

        SMBUtil.writeTime(mtime, body, i); // LastWriteTime
        i += 8;
        SMBUtil.writeTime(chtime, body, i); // ChangeTime
        i += 8;

        SMBUtil.writeInt8(allocSize, body, i); // AllocationSize
        i += 8;
        SMBUtil.writeInt8(eof, body, i); // EndOfFile
        i += 8;

        SMBUtil.writeInt4(attrs, body, i); // FileAttributes
        i += 4;
        i += 4; // Reserved2