assertArrayEquals(machineId, actualMachineId);
    }

    /**
     * Test with customData and machineId that are not exactly 8 and 32 bytes respectively.
     * The constructor requires exact sizes, so we need to pad them manually.
     */
    @Test
    void testAvSingleHostCustomDataMachineIdConstructor_ShorterInputs() {
        // Prepare padded arrays
        byte[] customData = new byte[8];
        customData[0] = 0x01;

                off += 27;
                resp.decode(BUF, 4);
                /* EMC can send pad w/o data */
                final int pad = r.dataOffset - off;
                if (r.byteCount > 0 && pad > 0 && pad < 4) {
                    readn(in, BUF, 4 + off, pad);
                }

                if (r.dataLength > 0) {

        buffer.putInt(entry1AlignedSize); // nextEntryOffset
        buffer.putInt(FileNotifyInformation.FILE_ACTION_ADDED);
        buffer.putInt(fileNameBytes1.length);
        buffer.put(fileNameBytes1);

        // Pad to aligned size
        while (buffer.position() < entry1AlignedSize) {
            buffer.put((byte) 0);
        }

        // Second notification
        buffer.putInt(entry2AlignedSize); // nextEntryOffset

        int bodyStart = headerStart + Smb2Constants.SMB2_HEADER_LENGTH;
        byte[] blob = new byte[] { 9, 8, 7, 6 };
        // Place blob further ahead to exercise pad adjustment logic
        int secBufOffset = Smb2Constants.SMB2_HEADER_LENGTH + 16; // beyond current bodyIndex (64+8)
        int sessionFlags = Smb2SessionSetupResponse.SMB2_SESSION_FLAGS_IS_NULL;

        // Context handle (20 bytes)
        if (contextHandle != null) {
            buf.writeOctetArray(contextHandle, 0, Math.min(contextHandle.length, 20));
            // Pad with zeros if context handle is shorter than 20 bytes
            for (int i = contextHandle.length; i < 20; i++) {
                buf.enc_ndr_small(0);
            }
        } else {

            // String data in UTF-16LE
            buf.writeOctetArray(wideBytes, 0, wideBytes.length);
            buf.enc_ndr_short(0); // Wide null terminator

            // Pad to 4-byte boundary
            int padding = (4 - ((wideBytes.length + 2) % 4)) % 4;
            for (int i = 0; i < padding; i++) {
                buf.enc_ndr_small(0);
            }
        }
    }

    /**
     * This is an alternative to the <code>java.lang.Integer.toHexString</code>
     * method. It is an efficient relative that also will pad the left side so
     * that the result is <code>size</code> digits.
     *
     * @param val the integer value to convert to hexadecimal

        } while (si < length);

        ps.println(c);
    }

    /**
     * This is an alternative to the <code>java.lang.Integer.toHexString</code>
     * method. It is an efficient relative that also will pad the left side so
     * that the result is <code>size</code> digits.
     *
     * @param val the integer value to convert to hexadecimal

                off += 27;
                resp.decode(buffer, 4);
                /* EMC can send pad w/o data */
                final int pad = r.getDataOffset() - off;
                if (r.getByteCount() > 0 && pad > 0 && pad < 4) {
                    readn(this.in, buffer, 4 + off, pad);
                }

                if (r.getDataLength() > 0) {

            if (data != null && data.length > 0) {
                System.arraycopy(data, 0, dst, offset, data.length);
                offset += data.length;
            }

            // Pad to 8-byte boundary
            while ((offset - dstIndex) % 8 != 0) {
                dst[offset++] = 0;
            }

            return offset - dstIndex;
        }

        @Override