assertEquals(100L, SMBUtil.readInt8(buffer, 0));
            assertEquals(200L, SMBUtil.readInt8(buffer, 8));
            assertEquals(1, SMBUtil.readInt4(buffer, 16));

            // Verify second lock
            assertEquals(300L, SMBUtil.readInt8(buffer, 24));
            assertEquals(400L, SMBUtil.readInt8(buffer, 32));
            assertEquals(2, SMBUtil.readInt4(buffer, 40));

        SMBUtil.writeTime(maxTime, buffer, 32); // changeTime
        SMBUtil.writeInt8(Long.MAX_VALUE, buffer, 40); // endOfFile
        SMBUtil.writeInt8(Long.MAX_VALUE, buffer, 48); // allocationSize
        SMBUtil.writeInt4(Integer.MAX_VALUE, buffer, 56); // extFileAttributes
        SMBUtil.writeInt4(Integer.MAX_VALUE, buffer, 64); // eaSize

        // Decode

        bufferIndex++;
        this.type = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        final int ownerUOffset = SMBUtil.readInt4(buffer, bufferIndex); // offset to owner sid
        bufferIndex += 4;
        final int ownerGOffset = SMBUtil.readInt4(buffer, bufferIndex); // offset to group sid
        bufferIndex += 4;
        SMBUtil.readInt4(buffer, bufferIndex); // offset to sacl

        buffer[bufferIndex + 2] = 0x00;

        SMBUtil.writeInt4(totalParams, buffer, bufferIndex + 3);
        SMBUtil.writeInt4(totalData, buffer, bufferIndex + 7);
        SMBUtil.writeInt4(paramCount, buffer, bufferIndex + 11);
        SMBUtil.writeInt4(paramOffset, buffer, bufferIndex + 15);
        SMBUtil.writeInt4(paramDisp, buffer, bufferIndex + 19);
        SMBUtil.writeInt4(dataCount, buffer, bufferIndex + 23);

            // Verify structure
            assertEquals(48, SMBUtil.readInt2(buffer, 0)); // Structure size
            assertEquals(1, SMBUtil.readInt2(buffer, 2)); // Lock count

            // Verify lock sequence (bits 4-7 are sequence number, bits 0-27 are index)
            int lockSequence = SMBUtil.readInt4(buffer, 4);
            assertEquals(0, lockSequence); // Default values

        final int start = bufferIndex;
        this.alloc = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;

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

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

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

        int start = dstIndex;

        // Compression count (2 bytes)
        SMBUtil.writeInt2(this.compressionAlgorithms.length, dst, dstIndex);
        dstIndex += 2;

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

        // Flags (4 bytes)
        SMBUtil.writeInt4(this.flags, dst, dstIndex);
        dstIndex += 4;

        if (this.largeFile) {
            this.pid = SMBUtil.readInt2(buffer, bufferIndex);
            final int boHigh = SMBUtil.readInt4(buffer, bufferIndex + 4);
            final int boLow = SMBUtil.readInt4(buffer, bufferIndex + 8);

            this.byteOffset = boHigh << 32 | boLow;

            final int lHigh = SMBUtil.readInt4(buffer, bufferIndex + 12);
            final int lLow = SMBUtil.readInt4(buffer, bufferIndex + 16);

        // Write structure header
        SMBUtil.writeInt2(9, buffer, offset);
        SMBUtil.writeInt2(80 - 64, buffer, offset + 2);
        SMBUtil.writeInt4(12 + fileNameBytes.length, buffer, offset + 4);

        // Write notification
        int notifyOffset = 80;
        SMBUtil.writeInt4(0, buffer, notifyOffset);
        SMBUtil.writeInt4(1, buffer, notifyOffset + 4);

            byte[] buffer = new byte[64];
            SMBUtil.writeInt2(17, buffer, 0); // Structure size
            SMBUtil.writeInt2(0, buffer, 2); // Reserved
            SMBUtil.writeInt4(4096, buffer, 4); // Count
            SMBUtil.writeInt4(2048, buffer, 8); // Remaining
            SMBUtil.writeInt2(100, buffer, 12); // WriteChannelInfoOffset (ignored)
            SMBUtil.writeInt2(200, buffer, 14); // WriteChannelInfoLength (ignored)