when(ctx.getConfig()).thenReturn(config);
        when(config.getCapabilities()).thenReturn(0);
        when(config.getFlags2()).thenReturn(0);
        when(config.getMaxMpxCount()).thenReturn(1);
        when(config.getSendBufferSize()).thenReturn(4096);
        when(config.getReceiveBufferSize()).thenReturn(4096);
        when(config.getTransactionBufferSize()).thenReturn(4096);

     * Verifies that unwrap can return itself when the type matches.
     */
    @Test
    void testUnwrap_withSameType() {
        when(smbTree.unwrap(SmbTree.class)).thenReturn(smbTree);

        SmbTree result = smbTree.unwrap(SmbTree.class);

        assertNotNull(result, "Unwrapped tree should not be null");
        assertSame(smbTree, result, "Should return itself when unwrapping to SmbTree");
    }

    /**

            message.opnumValue = 5;

            when(mockBuffer.getIndex()).thenReturn(0).thenReturn(16).thenReturn(20).thenReturn(24);
            lenient().doNothing().when(mockBuffer).advance(anyInt());
            lenient().doNothing().when(mockBuffer).enc_ndr_long(anyInt());
            lenient().doNothing().when(mockBuffer).enc_ndr_short(anyInt());
            lenient().doNothing().when(mockBuffer).enc_ndr_small(anyInt());

        when(logonInfo.getHomeDirectory()).thenReturn("\\\\server\\\\home");
        when(logonInfo.getHomeDrive()).thenReturn("H:");
        when(logonInfo.getLogonScript()).thenReturn("logon.bat");
        when(logonInfo.getUserAccountControl()).thenReturn(0x200);
        when(logonInfo.getUserFlags()).thenReturn(0);
        when(logonInfo.getUserSid()).thenReturn(userSid);
        when(logonInfo.getGroupSid()).thenReturn(new SID("S-1-5-21-1-2-3-513"));

        // Setup required for this test
        when(parent.getLocator()).thenReturn(locator);
        when(locator.getUNCPath()).thenReturn("\\\\server\\share\\dir\\");
        when(tree.getConfig()).thenReturn(config);
        when(config.getMaximumBufferSize()).thenReturn(65535);
        when(config.getListSize()).thenReturn(65535);

        filter = new NtlmHttpFilter();

        // Setup lenient stubs for common mock interactions
        lenient().when(request.getSession()).thenReturn(httpSession);
        lenient().when(request.getSession(anyBoolean())).thenReturn(httpSession);
        lenient().when(response.getOutputStream()).thenReturn(servletOutputStream);
    }

    @Test
    void testInit_success() throws ServletException {

        MockitoAnnotations.openMocks(this);
        when(session.getConfig()).thenReturn(config);
        when(session.getContext()).thenReturn(context);
        when(session.getTransport()).thenReturn(transport);
        when(session.acquire()).thenReturn(session);
        when(config.isTraceResourceUsage()).thenReturn(false);
        when(context.getConfig()).thenReturn(config);
        when(session.isConnected()).thenReturn(true);
    }

        smbFile.tree = smbTree;
        smbFile.fid = 1;
        smbFile.tree_num = 1;

        when(smbFile.isFile()).thenReturn(true);
        when(smbFile.getUncPath()).thenReturn("\\\\server\\share\\file.txt");
        when(smbFile.isOpen()).thenReturn(true);

        // Mock the open method to do nothing
        doNothing().when(smbFile).open(anyInt(), anyInt(), anyInt(), anyInt());

        @Test
        @DisplayName("Should use special name when no expanded names")
        void testFromReferralWithSpecialName() {
            when(mockReferral.getTtl()).thenReturn(300);
            when(mockReferral.getRFlags()).thenReturn(Trans2GetDfsReferralResponse.FLAGS_NAME_LIST_REFERRAL);
            when(mockReferral.getExpandedNames()).thenReturn(new String[0]);
            when(mockReferral.getSpecialName()).thenReturn("\\SPECIAL");

        // Given
        when(mockNetbiosName.getNameType()).thenReturn(nameType);

        // When
        int result = mockNetbiosName.getNameType();

        // Then
        assertEquals(nameType, result);
    }

    @Test
    @DisplayName("Should handle null name")
    void testNullName() {
        // Given
        when(mockNetbiosName.getName()).thenReturn(null);

        // When