public void EnsureCurrencyAddsRealCurrencyForCodeThatExists()
        {
            var service = new TestMoneyService();
            var amount  = service.EnsureCurrency(new Amount(42, new Currency("My Fake", "My Fake", "X", "AMD")));

            Assert.Equal(42, amount.Value);
            Assert.Equal(service.GetCurrency("AMD"), amount.Currency);
        }
        public void CreateMakesAmountWithCurrency()
        {
            var service = new TestMoneyService();
            var amount  = service.Create(42, "AMD");

            Assert.Equal(42, amount.Value);
            Assert.Equal(service.GetCurrency("AMD"), amount.Currency);
        }