Better unit tests #37

    public void testSerialPortListing() {
        String[] out = SerialPortList.getPortNames();
        System.out.println(Arrays.toString(out));

        // if we reached this point, loading the dynamic lib worked.
        assertTrue(true);
    }

    private String findASerialPort() {
        String[] out = SerialPortList.getPortNames();

        if (out.length > 0) {
            return out[0];
        } else {
            return null;
        }
    }

    public void testSerialPortRead() {
        String port = findASerialPort(); // could also be "COM1" under windows, or /dev/ttyS0 under linux

        if (port != null) {
            SerialPort serialPort = new SerialPort(port);
            try {
                serialPort.openPort();//Open serial port
                serialPort.setParams(9600, 8, 1, 0);//Set params.
                byte[] buffer = serialPort.readBytes(10);//Read 10 bytes from serial port
                serialPort.closePort();//Close serial port
            } catch (SerialPortException ex) {
                System.out.println(ex);
            }
        } else {
            Assert.fail("No comport found. Maybe running on a laptop? Or cables aren't attached?");
        }
        assertTrue(true);

    }

    private String findASerialPort() {
        String[] out = SerialPortList.getPortNames();

        if (out.length > 0) {
            return out[0];
        } else {
            return null;
        }
    }

    public void testSerialPortWrite() {
        String port = findASerialPort(); // could also be "COM1" under windows, or /dev/ttyS0 under linux

        if (port != null) {
            SerialPort serialPort = new SerialPort(port);
            try {
                serialPort.openPort();//Open serial port
                serialPort.setParams(SerialPort.BAUDRATE_9600,
                        SerialPort.DATABITS_8,
                        SerialPort.STOPBITS_1,
                        SerialPort.PARITY_NONE);//Set params. Also you can set params by this string: serialPort.setParams(9600, 8, 1, 0);
                serialPort.writeBytes("This is a test string".getBytes());//Write data to port
                serialPort.closePort();//Close serial port
            } catch (SerialPortException ex) {
                System.out.println(ex);
            }
        } else {
            Assert.fail("No comport found. Maybe running on a laptop? Or cables aren't attached?");
        }
        assertTrue(true);
    }