byte[] buffer = new byte[512];

            int bytesWritten = req.writeBytesWireFormat(buffer, 0);

            assertEquals(48, SMBUtil.readInt2(buffer, 0)); // Structure size
            assertEquals(3, SMBUtil.readInt2(buffer, 2)); // Lock count
            assertArrayEquals(testFileId, Arrays.copyOfRange(buffer, 8, 24));

            // Each lock is 24 bytes

            assertEquals(1024L, SMBUtil.readInt8(buffer, headerStart + 8)); // Offset
            assertArrayEquals(testFileId, Arrays.copyOfRange(buffer, headerStart + 16, headerStart + 32)); // File ID
            assertEquals(0, SMBUtil.readInt4(buffer, headerStart + 32)); // Channel
            assertEquals(500, SMBUtil.readInt4(buffer, headerStart + 36)); // Remaining bytes

        buffer[bufferIndex++] = (byte) 0x00;
        buffer[bufferIndex++] = (byte) 0x40;
        buffer[bufferIndex++] = 0;
        buffer[bufferIndex++] = 0;
        // maxRawSize
        buffer[bufferIndex++] = (byte) 0x00;
        buffer[bufferIndex++] = (byte) 0x10;
        buffer[bufferIndex++] = 0;
        buffer[bufferIndex++] = 0;
        // sessionKey
        buffer[bufferIndex++] = 1;
        buffer[bufferIndex++] = 2;

        // Test reading parameters from a properly formatted buffer
        byte[] buffer = new byte[20];

        // Set up the buffer with test data
        // sid (2 bytes)
        buffer[0] = 0x01;
        buffer[1] = 0x00;
        // numEntries (2 bytes)
        buffer[2] = 0x05;
        buffer[3] = 0x00;
        // isEndOfSearch (2 bytes, bit 0 of first byte)
        buffer[4] = 0x01; // end of search = true
        buffer[5] = 0x00;

        byte[] buffer = new byte[8];

        // Path consumed (2 bytes)
        SMBUtil.writeInt2(0, buffer, 0);

        // Number of referrals (2 bytes) - 0
        SMBUtil.writeInt2(0, buffer, 2);

        // Flags (2 bytes)
        SMBUtil.writeInt2(0, buffer, 4);

        // Padding (2 bytes)
        buffer[6] = 0;
        buffer[7] = 0;

        return buffer;
    }

            byte[] buffer = new byte[64];
            SMBUtil.writeInt2(17, buffer, 0);
            SMBUtil.writeInt2(0, buffer, 2);
            SMBUtil.writeInt4(count, buffer, 4);
            SMBUtil.writeInt4(remaining, buffer, 8);
            SMBUtil.writeInt4(0, buffer, 12);
            SMBUtil.writeInt4(0, buffer, 16);
            return buffer;
        }
    }

        buffer[5] = 0x00;
        buffer[6] = 0x00;
        buffer[7] = 0x00;
        buffer[8] = 0x00;

        // Flags
        buffer[9] = 0x00;

        // Flags2 (2 bytes)
        buffer[10] = 0x00;
        buffer[11] = 0x00;

        // Process ID High (2 bytes)
        buffer[12] = 0x00;
        buffer[13] = 0x00;

        // Signature (8 bytes)
        for (int i = 14; i < 22; i++) {

    /**
     * Creates a security descriptor by decoding from a byte buffer.
     *
     * @param buffer the byte buffer containing the security descriptor data
     * @param bufferIndex the starting offset in the buffer
     * @param len the length of data to decode
     * @throws IOException if an I/O error occurs during decoding
     */
    public SecurityDescriptor(final byte[] buffer, final int bufferIndex, final int len) throws IOException {

        offset += 8;
        SMBUtil.writeInt4(expectedNumberOfLinks, buffer, offset);
        offset += 4;
        buffer[offset++] = (byte) (expectedDeletePending ? 1 : 0);
        buffer[offset++] = (byte) (expectedDirectory ? 1 : 0);

        // Decode and verify
        fileStandardInfo.decode(buffer, 0, buffer.length);
        assertEquals(expectedEndOfFile, fileStandardInfo.getSize());
    }

        // The validation in getBuffer() ensures size is within bounds (0 < size <= 1MB)
        assertTrue(buffer.length > 0, "Buffer size should be positive");
        assertTrue(buffer.length <= 0x100000, "Buffer size should not exceed 1MB");
    }

    /**
     * Test that releaseBuffer validates buffer before accepting it.
     */
    @Test