// Write structure size (24)
            SMBUtil.writeInt2(24, buffer, bufferIndex);

            // Write oplock level at offset 2
            byte expectedOplockLevel = (byte) 0x02; // SMB2_OPLOCK_LEVEL_II
            buffer[bufferIndex + 2] = expectedOplockLevel;

            // Write reserved field (4 bytes at offset 4)
            bufferIndex += 4;

            // Write Reserved2 (4 bytes)

    @DisplayName("Test all oplock level constants")
    void testOplockLevelConstants() {
        assertEquals((byte) 0x0, Smb2CreateRequest.SMB2_OPLOCK_LEVEL_NONE);
        assertEquals((byte) 0x1, Smb2CreateRequest.SMB2_OPLOCK_LEVEL_II);
        assertEquals((byte) 0x8, Smb2CreateRequest.SMB2_OPLOCK_LEVEL_EXCLUSIVE);
        assertEquals((byte) 0x9, Smb2CreateRequest.SMB2_OPLOCK_LEVEL_BATCH);

    /**
     * No oplock
     */
    public static final byte SMB2_OPLOCK_LEVEL_NONE = 0x0;
    /**
     * Level II oplock
     */
    public static final byte SMB2_OPLOCK_LEVEL_II = 0x1;
    /**
     * Exclusive oplock
     */
    public static final byte SMB2_OPLOCK_LEVEL_EXCLUSIVE = 0x8;
    /**
     * Batch oplock
     */
    public static final byte SMB2_OPLOCK_LEVEL_BATCH = 0x9;