}

    @ParameterizedTest(name = "Message-only ctor preserves message: [{0}]")
    @MethodSource("messages")
    void messageConstructor_setsMessageAndNullCause(String message) {
        // Arrange & Act
        SMBProtocolDowngradeException ex = new SMBProtocolDowngradeException(message);

        // Assert - message preserved, cause null
        assertEquals(message, ex.getMessage());
        assertNull(ex.getCause());

        messages.add(message);
    }

    @Override
    public String toString() {
        return render("");
    }

    public String render(String indentation) {
        if (messages.isEmpty()) {
            return indentation + "There were no validation errors.";
        }

        StringBuilder message = new StringBuilder();
        for (int i = 0; i < messages.size(); i++) {

	}
	if received != "messages received\n" {
		t.Fatalf(`client: expected: "messages received\n", got: %v`, received)
	}

	wg.Wait()
}

// Test deadlineconn handles read timeout properly by reading two messages beyond deadline.
func TestBuffConnReadCheckTimeout(t *testing.T) {
	l, err := net.Listen("tcp", "localhost:0")
	if err != nil {
		t.Fatalf("unable to create listener. %v", err)
	}
	defer l.Close()

 * This validator provides validation functionality for Fess web actions with custom
 * message handling and runtime group validation.
 *
 * @param <MESSAGES> the type of user messages used by this validator
 */
public class FessActionValidator<MESSAGES extends UserMessages> extends ActionValidator<MESSAGES> {

    /**
     * Constructs a new FessActionValidator with the specified components.
     *

     */
    private final Object[] args;

    /**
     * The formatted message.
     */
    private final String message;

    /**
     * The simple message without the message code.
     */
    private final String simpleMessage;

    /**
     * Creates {@link ClRuntimeException}.
     *
     * @param messageCode message code
     */

                ws.onmessage = function(event) {
                    var messages = document.getElementById('messages')
                    var message = document.createElement('li')
                    var content = document.createTextNode(event.data)
                    message.appendChild(content)
                    messages.appendChild(message)
                };
                event.preventDefault()
            }

                ws.onmessage = function(event) {
                    var messages = document.getElementById('messages')
                    var message = document.createElement('li')
                    var content = document.createTextNode(event.data)
                    message.appendChild(content)
                    messages.appendChild(message)
                };
                event.preventDefault()
            }

                ws.onmessage = function(event) {
                    var messages = document.getElementById('messages')
                    var message = document.createElement('li')
                    var content = document.createTextNode(event.data)
                    message.appendChild(content)
                    messages.appendChild(message)
                };
                event.preventDefault()
            }

      }
    }

    try {
      if (pong != null) {
        writer!!.writePong(pong)
      } else if (messageOrClose is Message) {
        val message = messageOrClose
        writer!!.writeMessageFrame(message.formatOpcode, message.data)
        synchronized(this) {
          queueSize -= message.data.size.toLong()
        }
      } else if (messageOrClose is Close) {
        val close = messageOrClose

    }

    /**
     * Saves error messages to the session.
     * The messages will be displayed to the user on the next page load.
     *
     * @param validationMessagesLambda a lambda function to configure the error messages
     */
    protected void saveError(final VaMessenger<FessMessages> validationMessagesLambda) {
        final FessMessages messages = createMessages();