public void ReduceMoneyDifferentCurrencyTest()
{
Bank bank = new Bank();
bank.AddRate("CHF", "USD", 2);
Money result = bank.Reduce(Money.Franc(2), "USD");
Assert.AreEqual(Money.Dollar(1), result);
}
public void SumPlusMoneyTest()
{
IExpression fiveBucks = Money.Dollar(5);
IExpression tenFrans = Money.Franc(10);
Bank bank = new Bank();
bank.AddRate("CHF", "USD", 2);
IExpression sum = new Sum(fiveBucks, tenFrans).Plus(fiveBucks);
Money result = bank.Reduce(sum, "USD");
Assert.AreEqual(Money.Dollar(15), result);
}
public void MixedAdditionTest()
{
IExpression fiveBucks = Money.Dollar(5);
IExpression tenFrans = Money.Franc(10);
Bank bank = new Bank();
bank.AddRate("CHF", "USD", 2);
Money result = bank.Reduce(fiveBucks.Plus(tenFrans), "USD");
Assert.AreEqual(Money.Dollar(10), result);
}
