public void RemoveAllFeatures_Tests()
{
var purchasedFeatures =
carRentalAvailableFeatures
.RemoveFeature <CarSeatFeature>()
.RemoveFeature <GpsFeature>()
.GetPurchasedFeatures();
Assert.AreEqual(0, purchasedFeatures.Count);
Assert.AreEqual(0, carRentalAvailableFeatures.EstimatePurchasedFeaturesFee());
}
public IRental RemoveFeature <T>() where T : IRentalFeature
{
AvailableFeatures.RemoveFeature <T>();
return(this);
}