public void CurrencyConverterConvertTo2Test() { List <Currency> list = new List <Currency>(); list.Add(new Currency(3, CurrencyName.Dollar)); list.Add(new Currency(4, CurrencyName.Euro)); list.Add(new Currency(7, CurrencyName.Dollar)); list.Add(new Currency(1, CurrencyName.Grivna)); list.Add(new Currency(2, CurrencyName.Dollar)); Currency cur = CurrencyConverter.ConvertTo2(CurrencyName.Grivna, list); Assert.IsTrue(cur.Amount == 3 * 27 + 4 * 30 + 7 * 27 + 1 + 2 * 27 && cur.CurrName == CurrencyName.Grivna); }