static void Main()
{
IWarningLight[] lights = new IWarningLight[3];
lights[0] = new OilLevelLight();
lights[1] = new BrakeFluidLight();
lights[2] = new NullObjectLight(); // empty slot
// No need to test for null...
foreach (IWarningLight currentLight in lights)
{
currentLight.On();
currentLight.Off();
}
Console.Read();
}
public void NullObjectTestCase()
{
var lights = new IWarningLight[3];
lights[0] = new OilLevelLight();
lights[1] = new BrakeFluidLight();
lights[2] = new NullObjectLight();
foreach (var warningLight in lights)
{
//no requiere validar si es o no null
warningLight.TurnOn();
warningLight.TurnOff();
}
//todo define tests
}
