public void PowerOn()
{
var stream = new TestStream();
using var device = new CyberCard(stream);
// immediate power off
device.PowerOff();
Assert.Equal("S\r", Encoding.ASCII.GetString(stream.ToWrittenArray()));
// power off after 60 minutes
device.PowerOff(new TimeSpan(1, 0, 0));
Assert.Equal("S\rS60\r", Encoding.ASCII.GetString(stream.ToWrittenArray()));
// power reset
device.PowerReset();
Assert.Equal("S\rS60\rS00R0000\r", Encoding.ASCII.GetString(stream.ToWrittenArray()));
// power off after 1 minute and power on after 900 minutes
device.PowerReset(new TimeSpan(0, 1, 0), new TimeSpan(0, 900, 0));
Assert.Equal("S\rS60\rS00R0000\rS01R0900\r", Encoding.ASCII.GetString(stream.ToWrittenArray()));
// power on immediatelly
device.PowerOn();
Assert.Equal("S\rS60\rS00R0000\rS01R0900\rW\r", Encoding.ASCII.GetString(stream.ToWrittenArray()));
// cancel power off
device.CancelPowerOff();
Assert.Equal("S\rS60\rS00R0000\rS01R0900\rW\rC\r", Encoding.ASCII.GetString(stream.ToWrittenArray()));
}