}

    /**
     * Test constructor with integer flags.
     */
    @Test
    void testAvFlagsIntConstructor() {
        // Test with a positive integer
        int flags = 0x12345678;
        AvFlags avFlags = new AvFlags(flags);
        assertNotNull(avFlags, "AvFlags object should not be null");

        boolean end = false;
        int flags;
        String charset;
        if (lmResponseOffset < pos + 12 || ntResponseOffset < pos + 12 || domainOffset < pos + 12 || userOffset < pos + 12
                || workstationOffset < pos + 12) {
            // no room for SK/Flags
            flags = NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_OEM;
            setFlags(flags);
            charset = getOEMEncoding();

        // Test setting a flag that is already set
        message.setFlags(0b1000);
        message.setFlag(0b1000, true);
        assertEquals(0b1000, message.getFlags(), "Setting an already set flag should not change other flags.");

        // Test clearing a flag that is not set
        message.setFlags(0b1000);
        message.setFlag(0b0001, false);

    public void setFlags(final int flags) {
        this.flags = flags;
    }

    /**
     * Returns the status of the specified flag.
     *
     * @param flag
     *            The flag to test (i.e., <code>NTLMSSP_NEGOTIATE_OEM</code>).
     * @return A <code>boolean</code> indicating whether the flag is set.
     */
    public boolean getFlag(final int flag) {
        return (getFlags() & flag) != 0;
    }

    /**

     *
     * @param flags The flags to apply to this message.
     * @param suppliedDomain The supplied authentication domain.
     * @param suppliedWorkstation The supplied workstation name.
     */
    public Type1Message(final int flags, final String suppliedDomain, String suppliedWorkstation) {
        setFlags(getDefaultFlags() | flags);
        setSuppliedDomain(suppliedDomain);

    void setUp() {
        msg = new Dummy();
    }

    // ---------------- Flag manipulation tests -----------------
    @Test
    @DisplayName("Default flag value is zero")
    void testDefaultFlags() {
        assertEquals(0, msg.getFlags(), "Initial flags should be 0");
    }

    @ParameterizedTest(name = "setFlags({0}) ➜ getFlags() == {0}")
    @ValueSource(ints = { 0x0, 0x1, 0x2, 0xFFFFFFFF, -123456 })

        try {
            int flags = getFlags();
            int size = 8 * 4 + ((flags & NTLMSSP_NEGOTIATE_VERSION) != 0 ? 8 : 0);

            byte[] domain = {};
            final String suppliedDomainString = getSuppliedDomain();
            if ((flags & NTLMSSP_NEGOTIATE_VERSION) == 0 && suppliedDomainString != null && suppliedDomainString.length() != 0) {
                flags |= NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED;

        // 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);

     * @param user the username
     * @param workstation the workstation name
     * @param flags the flags to use for the Type-3 message
     */
    public Type3Message(final Type2Message type2, final String password, final String domain, final String user, String workstation,
            final int flags) {
        setFlags(flags | getDefaultFlags(type2));
        if (workstation == null) {

     * Creates a Type-2 message with the specified parameters.
     *
     * @param flags The flags to apply to this message.
     * @param challenge The challenge from the domain controller/server.
     * @param target The authentication target.
     */
    public Type2Message(final int flags, final byte[] challenge, final String target) {
        setFlags(flags);
        setChallenge(challenge);
        setTarget(target);