assertEquals("", exception.getMessage());
        });

        // Test long message
        String longMessage = createTestString(1000);
        assertDoesNotThrow(() -> {
            RuntimeCIFSException exception = new RuntimeCIFSException(longMessage);
            assertEquals(longMessage, exception.getMessage());
        });

        // Test message with special characters

        // Test with very long message
        int statusCode = 413;
        StringBuilder longMessage = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            longMessage.append("Very long error message content. ");
        }
        String message = longMessage.toString();

        WebApiException exception = new WebApiException(statusCode, message);

        // Create a very long exception message
        StringBuilder longMessage = new StringBuilder("Error: ");
        for (int i = 0; i < 100; i++) {
            longMessage.append("This is a very long error message part ").append(i).append(". ");
        }
        final String errorMessage = longMessage.toString();

        // Create mock SearchEngineClient that throws exception with long message

            // Test with very long message
            StringBuilder longMessage = new StringBuilder();
            for (int i = 0; i < 1000; i++) {
                longMessage.append("This is a very long error message. ");
            }
            WebApiUtil.setError(500, longMessage.toString());

            // Test with special characters in message

     * Test constructor with very long message
     */
    public void test_constructor_withVeryLongMessage() {
        StringBuilder longMessage = new StringBuilder();
        for (int i = 0; i < 10000; i++) {
            longMessage.append("Very long error message ");
        }
        String message = longMessage.toString();

        CrawlerSystemException exception = new CrawlerSystemException(message);

        assertNotNull(exception);

  @Throws(IOException::class)
  override fun onReadMessage(text: String) {
    listener.onMessage(this, text)
  }

  @Throws(IOException::class)
  override fun onReadMessage(bytes: ByteString) {
    listener.onMessage(this, bytes)
  }

  @Synchronized override fun onReadPing(payload: ByteString) {

        override fun onOpen(
          webSocket: WebSocket,
          response: Response,
        ) = TODO()

        override fun onMessage(
          webSocket: WebSocket,
          text: String,
        ) = TODO()

        override fun onMessage(
          webSocket: WebSocket,
          bytes: ByteString,
        ) = TODO()

        override fun onClosing(

    clientListener.assertOpen()
    val server = serverListener.assertOpen()
    val e = RuntimeException()
    clientListener.setNextEventDelegate(
      object : WebSocketListener() {
        override fun onMessage(
          webSocket: WebSocket,
          text: String,
        ): Unit = throw e
      },
    )
    server.send("Hello, WebSockets!")
    clientListener.assertFailure(e)

	public fun onClosing (Lokhttp3/WebSocket;ILjava/lang/String;)V
	public fun onFailure (Lokhttp3/WebSocket;Ljava/lang/Throwable;Lokhttp3/Response;)V
	public fun onMessage (Lokhttp3/WebSocket;Ljava/lang/String;)V
	public fun onMessage (Lokhttp3/WebSocket;Lokio/ByteString;)V
	public fun onOpen (Lokhttp3/WebSocket;Lokhttp3/Response;)V

    <root-XML localName="ONIXMessage" namespaceURI="http://ns.editeur.org/onix/3.0/reference"/>
    <!-- do we want a separate mime for this? -->
    <root-XML localName="ONIXmessage" namespaceURI="http://ns.editeur.org/onix/3.0/short"/>
    <root-XML localName="ONIXMessage"/>
    <sub-class-of type="application/xml"/>
  </mime-type>