*
 * @author mbechler
 */
public class ConnectionTimeoutException extends TransportException {

    /**
     *
     */
    private static final long serialVersionUID = 7327198103204592731L;

    /**
     * Constructs a new ConnectionTimeoutException with no detail message.
     */
    public ConnectionTimeoutException() {
    }

    /**

import org.junit.jupiter.api.Test;

class ConnectionTimeoutExceptionTest {

    @Test
    void testNoArgsConstructor() {
        // Test the no-argument constructor
        ConnectionTimeoutException exception = new ConnectionTimeoutException();
        assertNull(exception.getMessage(), "Message should be null for no-arg constructor");
        assertNull(exception.getCause(), "Cause should be null for no-arg constructor");
    }

                switch (st) {
                case 1: /* doConnect never returned */
                    this.state = 6;
                    cleanupThread(timeout);
                    throw new ConnectionTimeoutException("Connection timeout");
                case 2:
                    if (this.te != null) { /* doConnect throw Exception */
                        this.state = 4; /* error */