@Test
    void testInt2ReadWrite() {
        byte[] buffer = new byte[2];
        ServerMessageBlock.writeInt2(0x1234, buffer, 0);
        assertEquals(0x1234, ServerMessageBlock.readInt2(buffer, 0));
    }

    @Test
    void testInt4ReadWrite() {
        byte[] buffer = new byte[4];
        ServerMessageBlock.writeInt4(0x12345678, buffer, 0);
        assertEquals(0x12345678, ServerMessageBlock.readInt4(buffer, 0));
    }

        if (this.largeFile) {
            SMBUtil.writeInt2(this.pid, dst, dstIndex);
            SMBUtil.writeInt4(this.byteOffset >> 32, dst, dstIndex + 4);
            SMBUtil.writeInt4(this.byteOffset & 0xFFFFFFFF, dst, dstIndex + 8);
            SMBUtil.writeInt4(this.lengthInBytes >> 32, dst, dstIndex + 12);
            SMBUtil.writeInt4(this.lengthInBytes & 0xFFFFFFFF, dst, dstIndex + 16);
            return 20;

        final int start = dstIndex;

        SMBUtil.writeInt2(this.fid, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt4(this.offset, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt2(this.maxCount, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(this.minCount, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt4(this.openTimeout, dst, dstIndex);
        dstIndex += 4;

        // inputOffset (relative to header start)
        SMBUtil.writeInt4(inputOffsetField, buf, pos);
        pos += 4;
        // inputCount
        SMBUtil.writeInt4(inputCount, buf, pos);
        pos += 4;
        // outputOffset (relative to header start)
        SMBUtil.writeInt4(outputOffsetField, buf, pos);
        pos += 4;
        // outputCount
        SMBUtil.writeInt4(outputCount, buf, pos);
        pos += 4;
        // ioctlFlags

        // status (2 bytes)
        SMBUtil.writeInt2(0, buffer, bufferIndex);
        bufferIndex += 2;
        // converter (2 bytes)
        SMBUtil.writeInt2(100, buffer, bufferIndex);
        bufferIndex += 2;
        // numEntries (2 bytes)
        SMBUtil.writeInt2(3, buffer, bufferIndex);
        bufferIndex += 2;
        // totalAvailableEntries (2 bytes)
        SMBUtil.writeInt2(5, buffer, bufferIndex);

        long lastWriteTime = System.currentTimeMillis();
        int fileSize = 12345678;

        SMBUtil.writeInt2(fileAttributes, buffer, bufferIndex);
        SMBUtil.writeUTime(lastWriteTime, buffer, bufferIndex + 2);
        SMBUtil.writeInt4(fileSize, buffer, bufferIndex + 6);

        // Read the data
        int bytesRead = response.readParameterWordsWireFormat(buffer, bufferIndex);

        // Write context header
        SMBUtil.writeInt4(0, dst, dstIndex); // Next (offset to next context, 0 for last)
        dstIndex += 4;

        SMBUtil.writeInt2(16, dst, dstIndex); // NameOffset (from start of context)
        dstIndex += 2;

        SMBUtil.writeInt2(4, dst, dstIndex); // NameLength
        dstIndex += 2;

        SMBUtil.writeInt2(0, dst, dstIndex); // Reserved
        dstIndex += 2;

        dataOffset += pad;

        writeInt2(fid, dst, dstIndex);
        dstIndex += 2;
        writeInt4(offset, dst, dstIndex);
        dstIndex += 4;
        for (int i = 0; i < 4; i++) {
            dst[dstIndex++] = (byte) 0xFF;
        }
        writeInt2(writeMode, dst, dstIndex);
        dstIndex += 2;
        writeInt2(remaining, dst, dstIndex);
        dstIndex += 2;

        dstIndex += 4;
        writeInt4(parameterCount == 0 ? 0 : parameterOffset, dst, dstIndex);
        dstIndex += 4;
        if (command == SMB_COM_NT_TRANSACT_SECONDARY) {
            writeInt4(parameterDisplacement, dst, dstIndex);
            dstIndex += 4;
        }
        writeInt4(dataCount, dst, dstIndex);
        dstIndex += 4;
        writeInt4(dataCount == 0 ? 0 : dataOffset, dst, dstIndex);

            SMBUtil.writeInt2(23, buffer, offset); // sa_family: AF_INET6
            SMBUtil.writeInt2(445, buffer, offset + 2); // sin6_port
            SMBUtil.writeInt4(0, buffer, offset + 4); // sin6_flowinfo
            System.arraycopy(address.getAddress(), 0, buffer, offset + 8, 16); // sin6_addr
            SMBUtil.writeInt4(0, buffer, offset + 24); // sin6_scope_id
        } else {