public void TarifComparisson_InvalidConsumption_MustRaiseError(int consumption)
{
TariffComparisson c = new TariffComparisson(GetProducts());
Assert.That(() => c.CompareProducts(consumption),
Throws.TypeOf <ArgumentOutOfRangeException>());
}
public void TariffComparisson_Compare_OrderIsCorrect(int consumption, string expectedNameOfCheapestProduct)
{
TariffComparisson c = new TariffComparisson(GetProducts());
var sortedProducts = c.CompareProducts(consumption);
string nameOfCheapestProduct = sortedProducts.First().Name;
Assert.AreEqual(nameOfCheapestProduct, expectedNameOfCheapestProduct);
}
public void TarifComparisson_NoProducts_MustRaiseError(int consumption)
{
List <IProduct> emptyList = new List <IProduct>();
TariffComparisson c = new TariffComparisson(emptyList);
Assert.That(() => c.CompareProducts(consumption),
Throws.TypeOf <ArgumentException>());
c = new TariffComparisson(null);
Assert.That(() => c.CompareProducts(consumption),
Throws.TypeOf <ArgumentNullException>());
}
