public void MoneyBagTest()
{
Cash start = new Cash(6, "CHF");
Cash add = new Cash(5, "PLN");
CashBag test = new CashBag(start, add);
Assert.AreEqual(start.AddMoneyBag(test), test.Multiply(2).Subtract(add));
}
public void TestMock()
{
//assert
var Cash = new Cash(2, "PLN");
var mockBag = new Mock <ICash>();
mockBag.Setup(x => x.AddMoney(It.IsAny <Cash>())).Returns(new Cash(1, "CHF"));
//act
Cash.AddMoneyBag(mockBag.Object);
//assert
Assert.IsTrue(true);
mockBag.Verify(mock => mock.AddMoney(It.IsAny <Cash>()), Times.Never());
}