public void EvenShouldPrintFirstNumber()
{
EvenNumbers even = new EvenNumbers();
int expected = 2;
int actual = even.GetFirst();
Assert.AreEqual(expected, actual);
}
public void EvenShouldPrintNextNumber()
{
EvenNumbers even = new EvenNumbers();
BigInteger input = even.GetFirst();
BigInteger expected = 4;
BigInteger actual = even.GetNext(input);
Assert.AreEqual(expected, actual);
}
