@Test
    void testNegativeValueHandling() {
        byte[] buffer = new byte[8];

        // Test negative values in writeInt4
        SMBUtil.writeInt4(-1L, buffer, 0);
        assertEquals(-1, SMBUtil.readInt4(buffer, 0));

        // Test negative values in writeInt8
        SMBUtil.writeInt8(-1L, buffer, 0);
        assertEquals(-1L, SMBUtil.readInt8(buffer, 0));
    }

        dst[dstIndex + CMD_OFFSET] = command;
        dst[dstIndex + FLAGS_OFFSET] = flags;
        writeInt2(flags2, dst, dstIndex + FLAGS_OFFSET + 1);
        dstIndex += TID_OFFSET;
        writeInt2(tid, dst, dstIndex);
        writeInt2(pid, dst, dstIndex + 2);
        writeInt2(uid, dst, dstIndex + 4);
        writeInt2(mid, dst, dstIndex + 6);
        return HEADER_LENGTH;
    }

        writeInt4(buffer, dataOffset + 16, leaseState);  // LeaseState
        writeInt4(buffer, dataOffset + 20, leaseFlags);  // LeaseFlags
        writeInt8(buffer, dataOffset + 24, leaseDuration);  // LeaseDuration
        
        if (isV2()) {
            System.arraycopy(parentLeaseKey.getKey(), 0, buffer, dataOffset + 32, 16);  // ParentLeaseKey
            writeInt2(buffer, dataOffset + 48, epoch);  // Epoch

        assertEquals(26, written);

        // Check that padding bytes are zeros
        // The implementation writes 8 bytes with writeInt8 but only increments by 6
        // This means bytes 20-27 will be zero (8 bytes written by writeInt8)
        for (int i = 20; i < 28; i++) {
            assertEquals(0, buffer[i], "Padding byte at position " + i + " should be 0");
        }

        int nameLen = getName().length();
        writeInt4(buffer, offset, 16);  // Next
        writeInt2(buffer, offset + 4, nameLen);  // NameOffset
        writeInt2(buffer, offset + 6, nameLen);  // NameLength
        writeInt2(buffer, offset + 8, 0);  // Reserved
        writeInt2(buffer, offset + 10, STRUCTURE_SIZE);  // DataOffset
        writeInt4(buffer, offset + 12, STRUCTURE_SIZE);  // DataLength
        

            byte[] buffer = new byte[60];
            SMBUtil.writeInt2(60, buffer, 0);
            SMBUtil.writeInt2(1, buffer, 2);

            long testTime = 116444736000000000L;
            SMBUtil.writeInt8(testTime, buffer, 8);
            SMBUtil.writeInt8(testTime + 1000, buffer, 16);
            SMBUtil.writeInt8(testTime + 2000, buffer, 24);
            SMBUtil.writeInt8(testTime + 3000, buffer, 32);

        boolean expectedDirectory = false;

        // Encode test data
        int offset = 0;
        SMBUtil.writeInt8(expectedAllocationSize, buffer, offset);
        offset += 8;
        SMBUtil.writeInt8(expectedEndOfFile, buffer, offset);
        offset += 8;
        SMBUtil.writeInt4(expectedNumberOfLinks, buffer, offset);
        offset += 4;
        buffer[offset++] = (byte) (expectedDeletePending ? 1 : 0);

        int dataOffset = offset + getStandardLeaseSize();
        
        // CacheScope (4 bytes)
        writeInt4(buffer, dataOffset, cacheScope.ordinal());
        dataOffset += 4;
        
        // MaxCacheAge (8 bytes)
        writeInt8(buffer, dataOffset, maxCacheAge);
        dataOffset += 8;
        
        // Flags (4 bytes)
        int flags = 0;

    
    if (rdmaChannelInfo != null) {
        // Add RDMA read channel info
        writeInt4(dst, dstIndex + written, rdmaChannelInfo.getRemoteKey());
        written += 4;
        writeInt8(dst, dstIndex + written, rdmaChannelInfo.getAddress());
        written += 8;
        writeInt4(dst, dstIndex + written, rdmaChannelInfo.getLength());
        written += 4;
    }
    
    return written;
}

        SMBUtil.writeInt4(0, buffer, 0); // nextEntryOffset
        SMBUtil.writeInt4(0, buffer, 4); // fileIndex
        SMBUtil.writeInt8(0, buffer, 8); // creationTime - raw 0 in wire format
        SMBUtil.writeInt8(0, buffer, 16); // lastAccessTime - raw 0 in wire format
        SMBUtil.writeInt8(0, buffer, 24); // lastWriteTime - raw 0 in wire format
        SMBUtil.writeInt8(0, buffer, 32); // changeTime - raw 0 in wire format