public void SubtractDollarAmountTest()
{
DollarAmount thisDollarAmount = new DollarAmount(333);
DollarAmount dollarAmountToSubtract = new DollarAmount(111);
DollarAmount subtractedAmount = thisDollarAmount.Minus(dollarAmountToSubtract);
Assert.AreEqual(222, (subtractedAmount.Dollars * 100) + subtractedAmount.Cents);
}
public void MinusTest()
{
DollarAmount thisTest = new DollarAmount(90);
DollarAmount addingTest = new DollarAmount(10);
DollarAmount answer = new DollarAmount(80);
DollarAmount result = thisTest.Minus(addingTest);
Assert.AreEqual(answer.Dollars, result.Dollars);
Assert.AreEqual(answer.Cents, result.Cents);
}
public void MinusTest()
{
DollarAmount minusTest = new DollarAmount(150);
DollarAmount amountToSubtract = new DollarAmount(100);
DollarAmount minusTest1 = new DollarAmount(1000);
DollarAmount amountToSubtract2 = new DollarAmount(1000);
DollarAmount minusTest2 = new DollarAmount(230);
DollarAmount amountToSubtract3 = new DollarAmount(200);
Assert.AreEqual(50, minusTest.Minus(amountToSubtract).TotalAmountInCents);
Assert.AreEqual(0, minusTest1.Minus(amountToSubtract2).TotalAmountInCents);
Assert.AreEqual(30, minusTest2.Minus(amountToSubtract3).TotalAmountInCents);
}