@DisplayName("addFlags0 combines flags correctly")
    void addFlags0() {
        SmbComNTCreateAndX req = createRequest(0, 0);
        req.addFlags0(0x10);
        int flags0 = (int) getPrivateField(req, "flags0");
        assertTrue((flags0 & 0x10) != 0, "flag should be set after addFlags0");
        // Calling again should combine rather than overwrite
        req.addFlags0(0x20);
        flags0 = (int) getPrivateField(req, "flags0");

        setResponse(resp);
        return resp;
    }

    /**
     * Adds flags to the flags0 field.
     *
     * @param fl
     *            the flags0 to set
     */
    public final void addFlags0(final int fl) {
        this.flags0 |= fl;
    }

    @Override
    protected int writeParameterWordsWireFormat(final byte[] dst, int dstIndex) {

    private final int impersonationLevel;
    private long allocationSize;
    private final byte securityFlags;
    private int namelen_index;

    int flags0, desiredAccess;

    SmbComNTCreateAndX(final String name, final int flags, final int access, final int shareAccess, final int extFileAttributes,
            final int createOptions, final ServerMessageBlock andx) {
        super(andx);
        this.path = name;

            send(new SmbComOpenAndX(unc, access, flags, null), response);
            f = response.fid;
        }

        return f;
    }

    void open(final int flags, final int access, final int attrs, final int options) throws SmbException {
        if (isOpen()) {
            return;
        }
        fid = open0(flags, access, attrs, options);
        opened = true;

     */
    public ServerData() {
        // Default constructor
    }

    /**
     * Server flags from the SMB header.
     */
    public byte sflags;
    /**
     * Server flags2 field from the SMB header.
     */
    public int sflags2;
    /**
     * Maximum number of outstanding multiplex requests.
     */
    public int smaxMpxCount;
    /**

        // Test with RECURSIVE_TREE scope (recursive flag set)
        DirectoryLeaseContext context2 = new DirectoryLeaseContext(key, 0, DirectoryCacheScope.RECURSIVE_TREE);
        context2.setNotificationEnabled(true);

        byte[] buffer2 = new byte[context2.size()];
        context2.encode(buffer2, 0);

        int flags2 = SMBUtil.readInt4(buffer2, 68);

        }
    }

    /* --- flag handling -------------------------------- */
    @Test
    void testFlagSetAndUnset() {
        TestMessage m = new TestMessage();
        int FLAG_A = 0x01;
        int FLAG_B = 0x02;
        assertFalse(m.isFlagSet(FLAG_A));
        m.setFlag(FLAG_A);
        assertTrue(m.isFlagSet(FLAG_A));
        // unset correctly removes the flag
        m.unsetFlag(FLAG_A);

    int FLAGS_OPLOCK_REQUESTED_OR_GRANTED = 0x20;
    /** Notify of modify action flag */
    int FLAGS_NOTIFY_OF_MODIFY_ACTION = 0x40;
    /** Response flag */
    int FLAGS_RESPONSE = 0x80;

    /** No flags2 set */
    int FLAGS2_NONE = 0x0000;
    /** Long filenames supported flag */
    int FLAGS2_LONG_FILENAMES = 0x0001;
    /** Extended attributes supported flag */

        AvFlags flags1 = new AvFlags(0x11111111);
        AvFlags flags2 = new AvFlags(0x22222222);
        pairs.add(flags1);
        pairs.add(new AvTimestamp(new byte[8]));
        pairs.add(flags2);

        AvPair result = AvPairs.get(pairs, AvPair.MsvAvFlags);
        assertNotNull(result, "Should find the pair");
        assertEquals(flags1, result, "Should return first occurrence");
    }

            byte[] testBuffer = new byte[8];
            ByteBuffer bb = ByteBuffer.wrap(testBuffer).order(ByteOrder.LITTLE_ENDIAN);
            bb.putShort((short) 0); // pathConsumed (will be divided by 2)
            bb.putShort((short) 0); // numReferrals
            bb.putShort((short) 0); // tflags
            bb.putShort((short) 0); // tflags high bytes (skipped in decode)