return localInterfaces.size() > 0 && remoteInterfaces.size() > 0;
    }

    private byte[] calculateBindingInfo(ChannelInfo channel) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        try {
            // Combine session key with channel-specific data
            byte[] sessionKey = getSessionKey();
            if (sessionKey != null) {

        // Test each enum value
        CrawlerStatus[] statuses = CrawlerStatus.values();

        for (CrawlerStatus original : statuses) {
            // Serialize
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            ObjectOutputStream oos = new ObjectOutputStream(baos);
            oos.writeObject(original);
            oos.close();

            // Deserialize

     * @return
     * @throws CIFSException
     */
    private static byte[] encodeMechs(final ASN1ObjectIdentifier[] mechs) throws CIFSException {
        try {
            final ByteArrayOutputStream bos = new ByteArrayOutputStream();
            final ASN1OutputStream dos = ASN1OutputStream.create(bos, ASN1Encoding.DER);
            dos.writeObject(new DERSequence(mechs));
            dos.close();

      }
    }

    @Override
    public byte[] getSinkContents() throws IOException {
      File file = getFile();
      InputStream in = new FileInputStream(file);
      ByteArrayOutputStream out = new ByteArrayOutputStream();
      byte[] buffer = new byte[100];
      int read;
      while ((read = in.read(buffer)) != -1) {
        out.write(buffer, 0, read);
      }
      return out.toByteArray();
    }

    private PrintWriter printWriter;
    private ByteArrayOutputStream outputStream;
    private ServletOutputStream servletOutputStream;

    @BeforeEach
    void setUp() throws Exception {
        // Setup response writers
        stringWriter = new StringWriter();
        printWriter = new PrintWriter(stringWriter);
        outputStream = new ByteArrayOutputStream();

        servletOutputStream = new ServletOutputStream() {

   * delegate to {@link #openStream()} when the stream returned by that method does not benefit from
   * additional buffering (for example, a {@code ByteArrayOutputStream}). This method returns a new,
   * independent stream each time it is called.
   *
   * <p>The caller is responsible for ensuring that the returned stream is closed.
   *

   * delegate to {@link #openStream()} when the stream returned by that method does not benefit from
   * additional buffering (for example, a {@code ByteArrayOutputStream}). This method returns a new,
   * independent stream each time it is called.
   *
   * <p>The caller is responsible for ensuring that the returned stream is closed.
   *

        Exception cause = new IOException("IO cause");
        CrawlerSystemException original = new CrawlerSystemException(message, cause);

        // Serialize
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        oos.writeObject(original);
        oos.close();

        // Deserialize

        testRule.setRuleId("serializeRule");
        testRule.setResponseProcessor(processor);
        testRule.setMatchResult(false);

        // Serialize
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        oos.writeObject(testRule);
        oos.close();

        // Deserialize

        TestResponseProcessor processor = new TestResponseProcessor("serializeProcessor");
        TestRule originalRule = new TestRule("serializeRule", processor, true);

        // Serialize
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        oos.writeObject(originalRule);
        oos.close();

        // Deserialize