public void Reduce_different_currencies()
{
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 Mixed_addition()
{
IExpression fiveBucks = Money.Dollar(5);
IExpression tenFrancs = Money.Franc(10);
Bank bank = new Bank();
bank.AddRate("CHF", "USD", 2);
Money result = bank.Reduce(fiveBucks.Plus(tenFrancs), "USD");
Assert.AreEqual(Money.Dollar(10), result);
}
public void Simple_addition()
{
Bank bank = new Bank();
Money five = Money.Dollar(5);
IExpression sum = five.Plus(five);
Money reduced = bank.Reduce(sum, "USD");
Assert.AreEqual(Money.Dollar(10), reduced);
}
public void Reduce()
{
Bank bank = new Bank();
Money result = bank.Reduce(Money.Dollar(1), "USD");
Assert.AreEqual(Money.Dollar(1), result);
}