final int ftag = in.read();
        final int tag = readTagNumber(in, ftag);
        if (tag != expectTag) {
            throw new IOException("Unexpected tag " + tag);
        }
        final int length = readLength(in, limit, false);
        final byte[] content = new byte[length];
        in.read(content);
        return content;
    }

    // shamelessly stolen from BC ASN1InputStream

        problem = new DefaultProblem(null, null, null, -1, Integer.MIN_VALUE, null);
        assertEquals(Integer.MIN_VALUE, problem.getColumnNumber());
    }

    @Test
    void testGetException() {
        DefaultProblem problem = new DefaultProblem(null, null, null, -1, -1, null);
        assertNull(problem.getException());

        Exception e = new Exception();
        problem = new DefaultProblem(null, null, null, -1, -1, e);

    /**
     * Tests the append method of the DfsReferral class.
     * It verifies that a new DfsReferral object can be successfully appended to an existing one,
     * forming a linked list structure.
     */
    @Test
    void testAppend() {
        // Given
        DfsReferral initialReferral = new DfsReferral();
        DfsReferral appendedReferral = new DfsReferral();

        // When
        initialReferral.append(appendedReferral);

        private Exception exception;
        private Long expiration;

        public MockNotifyResponse(List<FileNotifyInformation> notifyInfo) {
            this.notifyInformation = notifyInfo != null ? new ArrayList<>(notifyInfo) : new ArrayList<>();
        }

        @Override
        public List<FileNotifyInformation> getNotifyInformation() {
            return this.notifyInformation;
        }

        @Override

    void testJavaSerialization() throws Exception {
        // Given
        SpnegoException original = new SpnegoException("serialize me", new IllegalArgumentException("iaex"));

        // When
        byte[] bytes;
        try (ByteArrayOutputStream bout = new ByteArrayOutputStream(); ObjectOutputStream oout = new ObjectOutputStream(bout)) {
            oout.writeObject(original);
            oout.flush();

                Arguments.of(DialectVersion.SMB210, DialectVersion.SMB300, new int[] { 0x0210, 0x0300 }),
                Arguments.of(DialectVersion.SMB202, DialectVersion.SMB311, new int[] { 0x0202, 0x0210, 0x0300, 0x0302, 0x0311 }),
                Arguments.of(DialectVersion.SMB311, DialectVersion.SMB311, new int[] { 0x0311 }));
    }

    @ParameterizedTest

        UniAddress uniAddress = new UniAddress(InetAddress.getByName("127.0.0.1"));
        SmbTransport transport = new SmbTransport(uniAddress, 445, null, 0);
        serverData = transport.new ServerData();
        response = new SmbComNegotiateResponse(serverData);
    }

    @Test
    void testReadParameterWordsWireFormat() {

        // First call throws, second accepts
        when(filter.accept(any())).thenThrow(new CIFSException("boom")).thenReturn(true);

        ShareEnumIterator it = new ShareEnumIterator(parent, entries.iterator(), filter);

        assertTrue(it.hasNext());
        SmbResource res = it.next();
        assertNotNull(res);

                try {
                    tempFile = createTempFile("ftp-", ".tmp", null);
                    try (OutputStream out = new BufferedOutputStream(new FileOutputStream(tempFile))) {
                        if (!client.retrieveFile(ftpInfo.getName(), out)) {
                            throw new CrawlingAccessException("Failed to retrieve: " + ftpInfo.toUrl());
                        }
                    }

    @BeforeEach
    void setUp() throws Exception {
        MockitoAnnotations.openMocks(this);
        // Use real configuration for most tests
        mockConfig = new BaseConfiguration(false);
        response = new NetShareEnumResponse(mockConfig);
    }

    @Test
    @DisplayName("Test constructor with configuration")
    void testConstructor() {
        assertNotNull(response);