tc.getCredentials();

            // Minimal behavior: return a mock SSPContext with lenient stubbing
            SSPContext ctx = mock(SSPContext.class);
            lenient().when(ctx.isEstablished()).thenReturn(false);
            return ctx;
        }

        @Override
        public Subject getSubject() {
            return this.subject;
        }

        @Override

     */
    @Test
    @DisplayName("Test constructor with mock configuration")
    public void testConstructorWithMockConfig() {
        // Setup mock to return a valid PID
        when(mockConfig.getPid()).thenReturn(1234);

        // When
        smbComTreeDisconnect = new SmbComTreeDisconnect(mockConfig);

        // Then
        assertNotNull(smbComTreeDisconnect);

    private Smb2Lock[] testLocks;
    private Smb2LockRequest request;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        when(mockContext.getConfig()).thenReturn(mockConfig);

        testFileId = new byte[16];
        new SecureRandom().nextBytes(testFileId);

        testLocks = new Smb2Lock[] { new Smb2Lock(0L, 100L, Smb2Lock.SMB2_LOCKFLAG_EXCLUSIVE_LOCK) };

        ModelSource.ModelLocator locator = mock(ModelSource.ModelLocator.class);
        Path resolvedPath = Paths.get("/tmp/subproject/pom.xml");
        when(locator.locateExistingPom(any(Path.class))).thenReturn(resolvedPath);

        Sources.BuildPathSource source = (Sources.BuildPathSource) Sources.buildSource(basePath);
        ModelSource resolved = source.resolve(locator, "subproject");

        assertNotNull(resolved);

        // Spy to override getPasswordAsCharArray() to return null
        JAASAuthenticator spyAuth = spy(new JAASAuthenticator("DOM", "user", null));
        when(spyAuth.getPasswordAsCharArray()).thenReturn(null);

        PasswordCallback pc = new PasswordCallback("pass:", false);
        spyAuth.handle(new Callback[] { pc });

        // Since getPasswordAsCharArray() returned null, handler should not set a password

        // Set system property for handle state directory
        System.setProperty("jcifs.smb.client.handleStateDirectory", tempDir.toString());

        when(mockContext.getConfig()).thenReturn(mockConfig);

        manager = new PersistentHandleManager(mockContext);
    }

    @AfterEach
    public void tearDown() throws IOException {
        if (manager != null) {
            manager.shutdown();

    TestHashSet<Entry<String>> entrySet = new TestHashSet<>();
    when((Comparator<Comparable<String>>) toCopy.comparator())
        .thenReturn(Ordering.<Comparable<String>>natural());
    when(toCopy.entrySet()).thenReturn(entrySet);
    ImmutableSortedMultiset<String> unused = ImmutableSortedMultiset.copyOfSorted(toCopy);
    assertTrue(entrySet.toArrayCalled);
  }

        void testCircularReferenceInRootCause() {
            // Create a mock exception that could have circular reference
            Exception rootCause = mock(Exception.class);
            when(rootCause.getMessage()).thenReturn("Mocked exception");

            TransportException exception = new TransportException("Test", rootCause);

            assertEquals(rootCause, exception.getRootCause());

    }

    @Test
    public void testIsValid() {
        SmbNegotiationRequest request = mock(SmbNegotiationRequest.class);
        when(request.isSigningEnforced()).thenReturn(true);
        response.getServerData().signaturesEnabled = true;

        assertTrue(response.isValid(mockContext, request));
        assertTrue(response.isSigningNegotiated());

    void mockitoInteraction(@Mock CredentialsInternal returned, @Mock SmbRenewableCredentials renewable) {
        // Arrange: stub renew() to return a mocked CredentialsInternal
        when(renewable.renew()).thenReturn(returned);

        // Act: invoke renew()
        CredentialsInternal result = renewable.renew();

        // Assert: verify interaction and returned value
        verify(renewable, times(1)).renew();