//[Test]
public void negativeRecursive()
{
for (int i = -20; i < 0; ++i)
{
Factorial_BigInteger.recursive((ulong)i);
}
}
public void correctRecursive()
{
for (int i = 0; i < data.Length; ++i)
{
Assert.AreEqual(data[i].expected, Factorial_BigInteger.recursive(data[i].i));
}
}