rpcSid.sub_authority = new int[] { 21, 123, 456, 789, 1000 };

        SID userSid = new SID(rpcSid, SID.SID_TYPE_USER, "MYDOMAIN", "user", false);
        assertEquals(1000, userSid.getRid());
    }

    /**
     * Test getting the RID from a domain SID.
     *
     * @throws SmbException if the SID string is invalid
     */
    @Test

        void testGetTid() {
            // Given
            when(mockResponse.getTid()).thenReturn(12345);

            // When
            int tid = mockResponse.getTid();

            // Then
            assertEquals(12345, tid, "Should return the configured tree ID");
            verify(mockResponse).getTid();
        }

        @Test
        @DisplayName("Should return service type")

                        n = -1;
                    }
                } else {
                    final SmbComReadAndX request = new SmbComReadAndX(th.getConfig(), fh.getFid(), this.fp, r, null);
                    if (this.largeReadX) {
                        request.setMaxCount(r & 0xFFFF);
                        request.setOpenTimeout(r >> 16 & 0xFFFF);
                    }

     */
    int getErrorCode();

    /**
     * Sets the message ID.
     *
     * @param k the message ID to set
     */
    void setMid(long k);

    /**
     * Gets the message ID.
     *
     * @return mid
     */
    long getMid();

    /**
     * Verifies the signature of this response.
     *
     * @param buffer the buffer containing the signature data

    @Mock
    private Configuration mockConfig;

    private SmbComSetInformationResponse response;

    @BeforeEach
    void setUp() {
        // Setup mock configuration to avoid NPE
        when(mockConfig.getPid()).thenReturn(12345);

        response = new SmbComSetInformationResponse(mockConfig);
    }

    @Test
    @DisplayName("Constructor accepts valid config")
    void constructorValid() {

        assertNotNull(testConfig.getRandom());
        assertNotNull(testConfig.getLocalTimezone());

        // Check PID is set
        assertTrue(testConfig.getPid() >= 0);
        assertTrue(testConfig.getPid() < 65536);

        // Check machine ID
        assertNotNull(testConfig.getMachineId());
        assertEquals(32, testConfig.getMachineId().length);

        // Check native OS

                    len -= cnt;
                    off += cnt;
                } else if (this.useNTSmbs) {
                    this.reqx.setParam(fh.getFid(), this.fp, len - w, b, off, w);
                    if ((flags & 1) != 0) {
                        this.reqx.setParam(fh.getFid(), this.fp, len, b, off, w);
                        this.reqx.setWriteMode(0x8);
                    } else {

            mockConfig.getCapabilities();
            mockConfig.getFlags2();
            mockConfig.getSessionLimit();
            mockConfig.getOemEncoding();
            mockConfig.getLocalTimezone();
            mockConfig.getPid();
            mockConfig.getMaxMpxCount();
            mockConfig.isSigningEnabled();
            mockConfig.isIpcSigningEnforced();
            mockConfig.isSigningEnforced();
            mockConfig.isEncryptionEnabled();

        setTreeIdMethod.setAccessible(true);
        setTreeIdMethod.invoke(response, 12345);

        // When
        int tid = response.getTid();

        // Then
        assertEquals(12345, tid);
    }

    @Test
    @DisplayName("Should validate TID correctly")
    void testIsValidTid() throws Exception {
        // Test invalid TID (-1)

        // Set MID to 0
        transaction.setMid(0);

        // Create cancel request
        CommonServerMessageBlockRequest cancelRequest = transaction.createCancel();

        // Verify it still creates a valid cancel request
        assertNotNull(cancelRequest);
        assertTrue(cancelRequest instanceof SmbComNtCancel);
        assertEquals(0, cancelRequest.getMid());
    }

    @Test