int port2 = handler.getDefaultPort();
            int port3 = handler.getDefaultPort();

            // Then
            assertEquals(port1, port2);
            assertEquals(port2, port3);
            assertEquals(443, port1);
        }
    }

    @Nested
    @DisplayName("Constants Tests")
    class ConstantsTests {

        @Test

            int port2 = handler.getDefaultPort();
            int port3 = handler.getDefaultPort();

            // Then
            assertEquals(port1, port2);
            assertEquals(port2, port3);
            assertEquals(443, port1);
        }
    }

    @Nested
    @DisplayName("Constants Tests")
    class ConstantsTests {

        @Test

     *
     * @param address the NetBIOS address to connect to
     * @param port the port number, or 0 for the default NetBIOS session service port
     * @throws IOException if an I/O error occurs while creating the socket
     */
    public NbtSocket(final NbtAddress address, final int port) throws IOException {
        this(address, port, null, 0);
    }

    /**

			}
			port, err = strconv.Atoi(portStr)
			if err != nil {
				logger.Fatal(fmt.Errorf("invalid arguments passed to --ftp=%s (%v)", arg, err), "unable to start FTP server")
			}
			if port < 1 || port > 65535 {
				logger.Fatal(fmt.Errorf("invalid arguments passed to --ftp=%s, (port number must be between 1 to 65535)", arg), "unable to start FTP server")
			}

        }
        return (this.tconHostName == null || hostName.equalsIgnoreCase(this.tconHostName)) && address.equals(this.address)
                && (port == 0 || port == this.port ||
                /* port 139 is ok if 445 was requested */
                        port == 445 && this.port == 139)
                && (localAddr == this.localAddr || localAddr != null && localAddr.equals(this.localAddr)) && localPort == this.localPort;
    }

        this.server = server;
    }

    /**
     * Returns the SMB server port.
     * @return the server port
     */
    public int getPort() {
        return port;
    }

    /**
     * Sets the SMB server port.
     * @param port the server port to set
     */
    public void setPort(final int port) {
        this.port = port;
    }

    /**
     * Returns the username for SMB authentication.

        this.server = server;
    }

    /**
     * Returns the port number.
     * @return The port number.
     */
    public int getPort() {
        return port;
    }

    /**
     * Sets the port number.
     * @param port The port number.
     */
    public void setPort(final int port) {
        this.port = port;
    }

    /**
     * Returns the username.

    /**
     * Get transport connection, with local binding
     *
     * @param tc
     *            context to use
     * @param address the server address
     * @param port the port number
     * @param localAddr the local address to bind to
     * @param localPort the local port to bind to
     * @param hostName the server host name

			return ep, fmt.Errorf("invalid URL endpoint format")
		}

		var port string
		host, port, err = net.SplitHostPort(u.Host)
		if err != nil {
			if !strings.Contains(err.Error(), "missing port in address") {
				return ep, fmt.Errorf("invalid URL endpoint format: %w", err)
			}

			host = u.Host
		} else {
			var p int
			p, err = strconv.Atoi(port)
			if err != nil {

		{"server:http", "server", "80"},
	}

	for _, testCase := range testCases {
		host, port := mustSplitHostPort(testCase.hostPort)
		if testCase.expectedHost != host {
			t.Fatalf("host: expected = %v, got = %v", testCase.expectedHost, host)
		}

		if testCase.expectedPort != port {
			t.Fatalf("port: expected = %v, got = %v", testCase.expectedPort, port)
		}
	}
}

func TestSortIPs(t *testing.T) {
	testCases := []struct {