public void Write1Test() { SerialPortMock serialPort = new SerialPortMock(); NuvoCommandTelegram target = new NuvoCommandTelegram(serialPort); target.Open(new SerialPortConnectInformation("COM1")); target.SendTelegram("SendMessage"); Assert.AreEqual('*', serialPort.WriteText[0]); Assert.AreEqual('\r', serialPort.WriteText[serialPort.WriteText.Length - 1]); Assert.AreEqual("*SendMessage\r", serialPort.WriteText); }