Smb2IoctlResponse resp = new Smb2IoctlResponse(config);

        int read = resp.decode(packet, 0);
        assertTrue(read >= packet.length, "Decoded length should cover entire packet");
        assertNotNull(resp.getErrorData(), "Error data should be decoded");
        assertEquals(3, resp.getErrorData().length);
        assertEquals(2, resp.getErrorContextCount());

            byte[] buffer = new byte[bufferSize];
            FileFsSizeInformation info = new FileFsSizeInformation();

            int decoded = info.decode(buffer, 0, Math.min(bufferSize, 24));

            assertEquals(24, decoded);
        }
    }

        long expectedOffset = expectedInt; // Sign extension happens here for negative values
        assertEquals(expectedOffset, response.getOffset(), "Offset should match decoded value");
        assertEquals(4, readLen, "Byte count returned should be 4");
    }

    @Test
    @DisplayName("readParameterWordsWireFormat with a too-short buffer - throws exception")

        if (rem == 0) {
            return 0;
        }
        return 8 - rem;
    }

    @Override
    public int decode(final byte[] buffer, final int bufferIndex) throws SMBProtocolDecodingException {
        return decode(buffer, bufferIndex, false);
    }

    /**
     * Decodes the SMB2 message from the buffer.
     *
     * @param buffer the buffer containing the message

     * Extracts and parses parameters from the request query string.
     * Applies the specified character encoding to decode parameter values.
     *
     * @param request the HTTP request containing the query string
     * @param enc the character encoding to use for decoding
     * @return a map of parameter names to their decoded values
     * @throws IOException if an error occurs during parameter parsing
     */

        NetworkInterfaceInfo decoded = NetworkInterfaceInfo.decode(encoded, 0);
        assertEquals(nic.getInterfaceIndex(), decoded.getInterfaceIndex());
        assertEquals(nic.getLinkSpeed(), decoded.getLinkSpeed());
        assertEquals(nic.isRssCapable(), decoded.isRssCapable());
    }

    @Test
    void testChannelInfoCreation() throws Exception {

        SMBUtil.writeInt4(length, dst, dstIndex + 12);
        return 16;
    }

    /**
     * Decode from byte array
     *
     * @param buffer source buffer
     * @param bufferIndex starting index
     * @return decoded transform
     */
    public static Smb2RdmaTransform decode(byte[] buffer, int bufferIndex) {
        long offset = SMBUtil.readInt8(buffer, bufferIndex);

        // Byte count (2 bytes)
        buffer[53] = 0x00;
        buffer[54] = 0x00;

        // Test decode
        int bytesDecoded = response.decode(buffer, 0);

        // Should decode at least the header
        assertTrue(bytesDecoded > 0);

        // Verify the command was decoded correctly
        assertEquals(ServerMessageBlock.SMB_COM_TRANSACTION2, response.getCommand());
    }

    @Test

    class IntegrationTests {

        @Test
        @DisplayName("Should maintain state after multiple decodes")
        void testMultipleDecodes() throws SMBProtocolDecodingException {
            // First decode
            byte[] buffer1 = createValidCopyChunkResponse(1, 1024, 1024);
            response.decode(buffer1, 0, buffer1.length);
            assertEquals(1, response.getChunksWritten());

    bytesIn.writeByte(0x40) // Literal indexed
    bytesIn.writeByte(0x88) // Literal name Huffman encoded 8 bytes
    // decodes to custom-key which is length 10
    bytesIn.write("25a849e95ba97d7f".decodeHex())
    bytesIn.writeByte(0x89) // Literal value Huffman encoded 9 bytes
    // decodes to custom-value which is length 12
    bytesIn.write("25a849e95bb8e8b4bf".decodeHex())
  }