this.errorCode = SMBUtil.readInt4(buffer, bufferIndex + SmbConstants.ERROR_CODE_OFFSET);
        this.flags = buffer[bufferIndex + SmbConstants.FLAGS_OFFSET];
        this.flags2 = SMBUtil.readInt2(buffer, bufferIndex + SmbConstants.FLAGS_OFFSET + 1);
        this.tid = SMBUtil.readInt2(buffer, bufferIndex + SmbConstants.TID_OFFSET);
        this.pid = SMBUtil.readInt2(buffer, bufferIndex + SmbConstants.TID_OFFSET + 2);

        bufferIndex += 2;
        parameterDisplacement = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        dataCount = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        dataOffset = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        dataDisplacement = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        setupCount = buffer[bufferIndex] & 0xFF;

     */
    public String readString() throws IOException, PACDecodingException {
        final int totalChars = readInt();
        final int unusedChars = readInt();
        final int usedChars = readInt();

        if (unusedChars > totalChars || usedChars > totalChars - unusedChars) {
            throw new PACDecodingException("Malformed string in PAC");
        }

            this.sid = SMBUtil.readInt2(buffer, bufferIndex);
            bufferIndex += 2;
        }
        this.setNumEntries(SMBUtil.readInt2(buffer, bufferIndex));
        bufferIndex += 2;
        this.isEndOfSearch = ((buffer[bufferIndex] & 0x01) == 0x01) == true;
        bufferIndex += 2;
        this.eaErrorOffset = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;

        int bytesWritten = info.encode(buffer, 0);

        // Verify replaceIfExists flag
        assertEquals(1, buffer[0]);

        // Verify file name length
        int nameLength = SMBUtil.readInt4(buffer, 16);
        assertEquals(fileName.getBytes(StandardCharsets.UTF_16LE).length, nameLength);

        // Verify file name
        byte[] nameBytes = new byte[nameLength];

        final int start = bufferIndex;

        bufferIndex += 2; // reserved
        this.dataCompactionMode = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 4; // 2 reserved
        this.dataLength = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.dataOffset = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 12; // 10 reserved

        return bufferIndex - start;
    }

        // Then
        assertEquals(4, bytesWritten);

        // Verify structure size (4) is written at offset
        assertEquals(4, SMBUtil.readInt2(buffer, offset));

        // Verify reserved field (0) is written at offset + 2
        assertEquals(0, SMBUtil.readInt2(buffer, offset + 2));
    }

    @Test
    @DisplayName("Should write exact wire format structure")
    void testWriteBytesWireFormatStructure() {

    }

    @Override
    int readParametersWireFormat(final byte[] buffer, int bufferIndex, final int len) {
        available = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        int head = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        status = readInt2(buffer, bufferIndex);
        return 6;
    }

    @Override

        this.nextEntryOffset = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        if (this.nextEntryOffset % 4 != 0) {
            throw new SMBProtocolDecodingException("Non aligned nextEntryOffset");
        }

        this.action = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        this.fileNameLength = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        // Check FID
        int actualFid = SMBUtil.readInt2(buffer, 0);
        assertEquals(TEST_FID, actualFid);

        // Check information level (FILE_BASIC_INFO maps to 0x0101)
        int actualInfoLevel = SMBUtil.readInt2(buffer, 2);
        assertEquals(0x0101, actualInfoLevel);

        // Check reserved bytes (should be 0)
        int reserved = SMBUtil.readInt2(buffer, 4);
        assertEquals(0, reserved);
    }