class ConstructorTests {

        private Configuration mockConfig;

        @BeforeEach
        void setUp() {
            mockConfig = mock(Configuration.class);
            when(mockConfig.getPid()).thenReturn(12345);
        }

        @Test
        @DisplayName("Should initialize with correct command and MID")
        void testConstructorInitialization() throws Exception {
            // Given

        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 testGetRidOnDomainSid() throws SmbException {

    }

    @Test
    @DisplayName("Test setMid and getMid methods")
    void testSetAndGetMid() {
        // Given
        long expectedMid = 12345L;
        doNothing().when(messageBlock).setMid(expectedMid);
        when(messageBlock.getMid()).thenReturn(expectedMid);

        // When
        messageBlock.setMid(expectedMid);
        long actualMid = messageBlock.getMid();

        // Then

    }

    @Test
    @DisplayName("Test configuration usage")
    void testConfigurationUsage() {
        // Verify configuration is used - getPid() is called in parent constructor
        verify(mockConfig, atLeastOnce()).getPid();
    }

    @Test
    @DisplayName("Test transaction response with different commands")
    void testTransactionResponseWithDifferentCommands() {

            assertEquals(0x3456, testBlock.getFlags2());
            assertEquals(0x1234, testBlock.getTid());
            assertEquals(0x5678, testBlock.getPid());
            assertEquals(0x9ABC, testBlock.getUid());
            assertEquals(0xDEF0, testBlock.getMid());
        }

        @Test
        @DisplayName("Test decode with signature verification failure")

        // Test mid methods
        long mid = 123456L;
        doNothing().when(response).setMid(mid);
        when(response.getMid()).thenReturn(mid);
        response.setMid(mid);
        assertEquals(mid, response.getMid());

        // Test command methods
        int command = 0x25;
        doNothing().when(response).setCommand(command);

                    return this._domains.map;
                }
            }
        } catch (final IOException ioe) {
            if (log.isDebugEnabled()) {
                log.debug("getting trusted domains failed: " + tf.getCredentials().getUserDomain(), ioe);
            }
            final CacheEntry<Map<String, CacheEntry<DfsReferralDataInternal>>> entry = new CacheEntry<>(tf.getConfig().getDfsTtl() * 10L);

            f.setAccessible(true);
            f.set(target, value);
        } catch (Exception e) {
            fail("Failed to set field '" + name + "'", e);
        }
    }

    /**
     * Helper for getting a field via reflection.
     */
    private static Object getField(Object target, String name) {
        try {
            Field f = target.getClass().getDeclaredField(name);
            f.setAccessible(true);

    void testGetLink() {
        // Given
        String link = "/test/link";
        when(mockReferralData.getLink()).thenReturn(link);

        // When
        String result = mockReferralData.getLink();

        // Then
        assertEquals(link, result);
        verify(mockReferralData).getLink();
    }

            // Test with mock
            when(mockReferralData.getLink()).thenReturn(link);
            assertEquals(link, mockReferralData.getLink());
            verify(mockReferralData, times(1)).getLink();

            // Test with concrete implementation
            concreteImplementation.setLink(link);
            assertEquals(link, concreteImplementation.getLink());
        }

        @Test