public void GetFactorial_PassedNegative5_ThrowsException()
{
Exception exception = null;
try
{
FactorialRecursive.GetFactorial(-5);
}
catch (Exception ex)
{
exception = ex;
}
Assert.IsNotNull(exception);
}
public void GetFactorial()
{
_factorial.GetFactorial(4).Should().Be(24);
_factorial.GetFactorial(8).Should().Be(40320);
_factorial.GetFactorial(16).Should().Be(20922789888000);
}
public void GetFactorial_Passed6_Returns720()
{
Assert.AreEqual(720, FactorialRecursive.GetFactorial(6));
}
public void GetFactorial_Passed1_Returns1()
{
Assert.AreEqual(1, FactorialRecursive.GetFactorial(1));
}
public void GetFactorial_Passed2_Returns2()
{
Assert.AreEqual(2, FactorialRecursive.GetFactorial(2));
}
