buffer[bodyStart + 2] = (byte) dataOffsetFromHeader;
        // Reserved
        buffer[bodyStart + 3] = 0;
        // Data length
        SMBUtil.writeInt4(dataLength, buffer, bodyStart + 4);
        // Data remaining
        SMBUtil.writeInt4(dataRemaining, buffer, bodyStart + 8);
        // Reserved2
        SMBUtil.writeInt4(0, buffer, bodyStart + 12);

        // Reserved1 (2 bytes) - should be 0 (bytes were initialized to 0xCC, so they weren't written)
        // This is expected behavior - the reserved fields are not explicitly written to 0

        // Reserved2 (4 bytes) - should be 0 (bytes were initialized to 0xCC, so they weren't written)
        // This is expected behavior - the reserved fields are not explicitly written to 0

        @Test
        @DisplayName("Should correctly parse reserved fields")
        void testReservedFieldsAreSkipped() throws Exception {
            byte[] buffer = new byte[64];

            // Structure with specific values in reserved fields
            SMBUtil.writeInt2(24, buffer, 0);
            buffer[2] = 0x01; // Oplock level
            buffer[3] = (byte) 0xAA; // Reserved byte

            dst[dstIndex] = maxSetupCount;
            dstIndex++;
            dst[dstIndex++] = (byte) 0x00; // Reserved1
            writeInt2(flags, dst, dstIndex);
            dstIndex += 2;
            writeInt4(timeout, dst, dstIndex);
            dstIndex += 4;
            dst[dstIndex++] = (byte) 0x00; // Reserved2
            dst[dstIndex++] = (byte) 0x00;
        }
        writeInt2(parameterCount, dst, dstIndex);

        pos += 4;
        // outputCount
        SMBUtil.writeInt4(outputCount, buf, pos);
        pos += 4;
        // ioctlFlags
        SMBUtil.writeInt4(ioctlFlags, buf, pos);
        pos += 4;
        // reserved2 (4 bytes)
        pos += 4;

        // Write payload data: input then output
        if (inputCount > 0 && inputBytes != null) {
            System.arraycopy(inputBytes, 0, buf, pos, inputCount);

        this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;

        this.fileAttributes = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        bufferIndex += 4; // Reserved2

        System.arraycopy(buffer, bufferIndex, this.fileId, 0, 16);
        bufferIndex += 16;

        final int createContextOffset = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        ci += 4;
        SMBUtil.writeInt2(0x10, ctx, ci); // NameOffset
        SMBUtil.writeInt2(4, ctx, ci + 2); // NameLength
        ci += 4;
        // Reserved (2) + DataOffset (2)
        // Put data at offset 0x20
        SMBUtil.writeInt2(0, ctx, ci); // Reserved
        SMBUtil.writeInt2(0x20, ctx, ci + 2); // DataOffset
        ci += 4;
        SMBUtil.writeInt4(8, ctx, ci); // DataLength
        ci += 4;

            dstIndex++;
            dst[dstIndex++] = (byte) 0x00; // Reserved1
            SMBUtil.writeInt2(this.tflags, dst, dstIndex);
            dstIndex += 2;
            SMBUtil.writeInt4(this.timeout, dst, dstIndex);
            dstIndex += 4;
            dst[dstIndex++] = (byte) 0x00; // Reserved2
            dst[dstIndex++] = (byte) 0x00;
        }

        // Verify the bytes written
        assertTrue(bytesWritten > 0);

        // For secondary, first byte should be 0x00 (Reserved)
        assertEquals(0, dst[0]);

        // Verify reserved bytes
        assertEquals(0, dst[1]);
        assertEquals(0, dst[2]);

        // Verify total parameter count (4 bytes at position 3)

            byte[] buffer = createValidWriteResponse(1024, 512);

            int bytesRead = response.readBytesWireFormat(buffer, 0);

            assertEquals(16, bytesRead); // Structure size + reserved (4) + count (4) + remaining (4) + channel info (4)
            assertEquals(1024, response.getCount());
            assertEquals(512, response.getRemaining());
        }

        @Test