// Act
        lookupSids = new MsrpcLookupSids(mockPolicyHandle, testSids);

        // Assert
        assertTrue((lookupSids.getFlags() & DcerpcConstants.DCERPC_FIRST_FRAG) != 0);
        assertTrue((lookupSids.getFlags() & DcerpcConstants.DCERPC_LAST_FRAG) != 0);
    }

    @Test
    void constructor_shouldPassCorrectCountToSuperclass() throws Exception {
        // Arrange

    void testDefaultFlags() {
        assertEquals(0, msg.getFlags(), "Initial flags should be 0");
    }

    @ParameterizedTest(name = "setFlags({0}) ➜ getFlags() == {0}")
    @ValueSource(ints = { 0x0, 0x1, 0x2, 0xFFFFFFFF, -123456 })
    void testSetAndGetFlags(int value) {
        msg.setFlags(value);
        assertEquals(value, msg.getFlags(), "getFlags should return the value set");
    }

    @Test

        registration.setFlags(WitnessRegistration.WITNESS_REGISTER_NONE);
        assertEquals(WitnessRegistration.WITNESS_REGISTER_NONE, registration.getFlags());

        registration.setFlags(WitnessRegistration.WITNESS_REGISTER_IP_NOTIFICATION);
        assertEquals(WitnessRegistration.WITNESS_REGISTER_IP_NOTIFICATION, registration.getFlags());
    }

    }

    @Test
    @DisplayName("getFlags delegates to underlying mechanism context")
    void testGetFlagsDelegates() {
        SpnegoContext ctx = newContext();
        when(this.mechContext.getFlags()).thenReturn(0xCAFE);
        assertEquals(0xCAFE, ctx.getFlags());
        verify(this.mechContext, times(1)).getFlags();
    }

    @Test

            // When
            Type2Message parsedMessage = new Type2Message(rawMessage);

            // Then
            assertNotNull(parsedMessage);
            assertEquals(originalMessage.getFlags(), parsedMessage.getFlags());
            assertNull(parsedMessage.getChallenge()); // Should be null if all zeros
            assertNull(parsedMessage.getTarget());

    public byte[] toByteArray() {
        try {
            final String suppliedDomain = getSuppliedDomain();
            final String suppliedWorkstation = getSuppliedWorkstation();
            int flags = getFlags();
            boolean hostInfo = false;
            byte[] domain = {};
            if (suppliedDomain != null && suppliedDomain.length() != 0) {
                hostInfo = true;

            final byte[] challenge = getChallenge();
            byte[] context = getContext();
            final byte[] targetInformation = getTargetInformation();
            int flags = getFlags();
            byte[] target = {};
            if ((flags & NTLMSSP_REQUEST_TARGET) != 0) {
                if (targetName != null && targetName.length() != 0) {

            if ((getFlags() & NTLMSSP_NEGOTIATE_SIGN) == NTLMSSP_NEGOTIATE_SIGN) {
                final HMACT64 hmac = new HMACT64(responseKeyNT);
                hmac.update(ntResponse, 0, 16); // only first 16 bytes of ntResponse
                final byte[] userSessionKey = hmac.digest();

                if ((getFlags() & NTLMSSP_NEGOTIATE_KEY_EXCH) != 0) {

                        || !msg2.getFlag(NtlmFlags.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY))) {
                    throw new SmbUnsupportedOperationException("Server does not support extended NTLMv2 key exchange");
                }

                if (!msg2.getFlag(NtlmFlags.NTLMSSP_NEGOTIATE_128)) {

        @Test
        @DisplayName("Should add flags correctly")
        void testAddFlags() {
            assertEquals(0, testMessage.getFlags());
            testMessage.addFlags(ServerMessageBlock2.SMB2_FLAGS_SIGNED);
            assertEquals(ServerMessageBlock2.SMB2_FLAGS_SIGNED, testMessage.getFlags());
            testMessage.addFlags(ServerMessageBlock2.SMB2_FLAGS_DFS_OPERATIONS);