public void Ctor_WHEN_myWattage_greaterthan_zero_THEN_bulb_Wattage_equuals_myWattage(int myWattage)
{
const int lumens = 5;
LightbulbBase bulb = new TestBulb(lumens, myWattage);
Assert.Equal(myWattage, bulb.Wattage);
}
public void Ctor_WHEN_myLumens_greaterthan_zero_THEN_bulb_Lumens_equals_myLumens(int myLumens)
{
const int wattage = 5;
LightbulbBase bulb = new TestBulb(myLumens, wattage);
Assert.Equal(myLumens, bulb.Lumens);
}
public void Light_WHEN_Bulb_is_new_THEN_equals_zero()
{
const int lumens = 500;
const int wattage = 10;
LightbulbBase bulb = new TestBulb(lumens, wattage);
Assert.Equal(0, bulb.Light);
}
public void Ctor_WHEN_Lumens_and_Wattage_nonzero_THEN_bulb_not_null()
{
const int lumens = 500;
const int wattage = 8;
LightbulbBase bulb = new TestBulb(lumens, wattage);
Assert.NotNull(bulb);
}
public void Light_WHEN_Switch_called_THEN_equals_Lumens(int myLumens)
{
const int wattage = 10;
LightbulbBase bulb = new TestBulb(myLumens, wattage);
bulb.Switch();
Assert.Equal(myLumens, bulb.Light);
}
public void EnergyUsed_WHEN_timeOn_positive_THEN_equals_wattage_times_hoursOn_dividedby_1000(TimeSpan timeOn,
int myWattage)
{
const int lumens = 500;
var expected = timeOn.TotalHours * myWattage / 1000; // EnergyUsed read in KwH.
LightbulbBase bulb = new TestBulb(lumens, myWattage);
var actual = bulb.EnergyUsed(timeOn);
Assert.Equal(expected, actual);
}
public void Light_WHEN_Switch_called_twice_THEN_equals_zero()
{
const int lumens = 500;
const int wattage = 10;
LightbulbBase bulb = new TestBulb(lumens, wattage);
bulb.Switch();
bulb.Switch();
Assert.Equal(0, bulb.Light);
}
public void EnergyUsed_TenWattageFiveHours_PointZeroFiveKwh()
{
const int wattage = 10;
var timeOn = TimeSpan.FromHours(5);
var expected = wattage * timeOn.TotalHours / 1000;
LightbulbBase bulb = new TestBulb(500, wattage);
var actual = bulb.EnergyUsed(timeOn);
Assert.Equal(expected, actual);
}
