public void ToString_SwitchedOff()
{
var lamp = new MinutesFirstRowLamp(1);
var time = new TimeSpan(4, 0, 0);
lamp.Process(time);
Assert.AreEqual("O", lamp.ToString());
}
public void Process_ThirdLampFifteenMins_IsSwitchedOnLightRed()
{
var thirdLamp = new MinutesFirstRowLamp(3);
var time = new TimeSpan(0, 15, 0);
thirdLamp.Process(time);
Assert.AreEqual(true, thirdLamp.IsSwitchedOn);
Assert.AreEqual("R", thirdLamp.LightColour);
}
public void Process_FirstLampFiveMins_IsSwitchedOnLightYellow()
{
var lamp = new MinutesFirstRowLamp(1);
var time = new TimeSpan(0, 5, 30);
lamp.Process(time);
Assert.AreEqual(true, lamp.IsSwitchedOn);
Assert.AreEqual("Y", lamp.LightColour);
}
public void Process_FirstLampZeroMins_IsSwitchedOffLightYellow()
{
var lamp = new MinutesFirstRowLamp(1);
var time = new TimeSpan(12, 0, 59);
lamp.Process(time);
Assert.AreEqual(false, lamp.IsSwitchedOn);
Assert.AreEqual("Y", lamp.LightColour);
}
public void Process_ThirdOrSixthOrNinthLampZeroMins_IsSwitchedOffLightRed()
{
var thirdLamp = new MinutesFirstRowLamp(3);
var time = new TimeSpan(12, 0, 30);
thirdLamp.Process(time);
Assert.AreEqual(false, thirdLamp.IsSwitchedOn);
Assert.AreEqual("R", thirdLamp.LightColour);
var sixthLamp = new MinutesFirstRowLamp(6);
sixthLamp.Process(time);
Assert.AreEqual(false, sixthLamp.IsSwitchedOn);
Assert.AreEqual("R", sixthLamp.LightColour);
var ninthLamp = new MinutesFirstRowLamp(9);
ninthLamp.Process(time);
Assert.AreEqual(false, ninthLamp.IsSwitchedOn);
Assert.AreEqual("R", ninthLamp.LightColour);
}
