public void IsCalled3TimesForNumber3()
{
funcTester_list = new FactorialTester();
funcTester_list.Factorielle(3);
Assert.AreEqual(3, funcTester_list.NumberOfCalls);
}
public void IsCalledAtLeastOnce()
{
funcTester_list = new FactorialTester();
funcTester_list.Factorielle(1);
Assert.AreNotSame(1, funcTester_list.NumberOfCalls);
}