public void AddToListCreatesItems()
{
Arithmatic NumTestObject = new Arithmatic();
NumTestObject.NumList.Add(NumTestObject.MultNumber(3, 5));
NumTestObject.NumList.Add(NumTestObject.MultNumber(12, 5));
NumTestObject.NumList.Add(NumTestObject.AddNumber(7, 4));
NumTestObject.NumList.Add(NumTestObject.AddNumber(6, 9));
Assert.Equal(4, NumTestObject.NumList.Count); // Are items added to the list correctly
}
public void MultMethodThrowsExceptionWithZero()
{
Arithmatic NumTestObject = new Arithmatic();
Assert.Throws <ArgumentException>(() => NumTestObject.MultNumber(0, 5)); // Does the method throw the correct exception when given incorrect input
}