public void Factorial_ArgumentException_When_Factorial_BelowZero()
{
// assemble
Mathematics.MathLib target = new Mathematics.MathLib(Mathematics.MathLib.CalculationTyps.Recursive);
// act
target.Factorial(-15);
}
public void Factorial_1_When_RecursiveFactorial_0()
{
// assemble
BigInteger actual;
BigInteger expected = 1;
Mathematics.MathLib target = new Mathematics.MathLib(Mathematics.MathLib.CalculationTyps.Recursive);
// act
actual = target.Factorial(0);
// assert
Assert.AreEqual(expected, actual);
}
public void Factorial_362880_When_ListFactorial_9()
{
// assemble
BigInteger actual;
BigInteger expected = 362880;
Mathematics.MathLib target = new Mathematics.MathLib(Mathematics.MathLib.CalculationTyps.List);
// act
actual = target.Factorial(9);
// assert
Assert.AreEqual(expected, actual);
}
public void Factorial_2432902008176640000_When_ListFactorial_20()
{
// assemble
BigInteger actual;
BigInteger expected = 2432902008176640000;
Mathematics.MathLib target = new Mathematics.MathLib(Mathematics.MathLib.CalculationTyps.List);
// act
actual = target.Factorial(20);
// assert
Assert.AreEqual(expected, actual);
}