public void AddDollarAmountTest()
{
DollarAmount thisDollarAmount = new DollarAmount(111);
DollarAmount dollarAmountToAdd = new DollarAmount(222);
DollarAmount addedAmount = thisDollarAmount.Plus(dollarAmountToAdd);
Assert.AreEqual(333, (addedAmount.Dollars * 100) + addedAmount.Cents);
}
public void PlusTest()
{
DollarAmount thisTest = new DollarAmount(90);
DollarAmount addingTest = new DollarAmount(10);
DollarAmount answer = new DollarAmount(100);
DollarAmount result = thisTest.Plus(addingTest);
Assert.AreEqual(answer.Dollars, result.Dollars);
Assert.AreEqual(answer.Cents, result.Cents);
}