public void TestMutableFactorial()
{
Assert.AreEqual(1, MutableVsImmutableState.CalculateFactorial(0));
Assert.AreEqual(1, MutableVsImmutableState.CalculateFactorial(1));
Assert.AreEqual(2, MutableVsImmutableState.CalculateFactorial(2));
Assert.AreEqual(6, MutableVsImmutableState.CalculateFactorial(3));
Assert.AreEqual(720, MutableVsImmutableState.CalculateFactorial(6));
}
private static void Main(string[] args)
{
Console.WriteLine(MutableVsImmutableState.CalculateFactorial(5));
Console.WriteLine("press key to exit");
Console.ReadKey();
}