public void Reduce()
{
IExpression sum = new Sum(Money.Dollar(3), Money.Dollar(4));
Money result = m_bank.Reduce(sum, "USD");
Assert.AreEqual(Money.Dollar(7), result);
}
public void Times()
{
IExpression sum = new Sum(m_fiveBucks, m_tenFrancs).Times(2);
Money result = m_bank.Reduce(sum, "USD");
Assert.AreEqual(Money.Dollar(20), result);
}
public void Plus_Money()
{
IExpression sum = new Sum(m_fiveBucks, m_tenFrancs).Plus(m_fiveBucks);
Money result = m_bank.Reduce(sum, "USD");
Assert.AreEqual(Money.Dollar(15), result);
}