public void Factorial_WhenPositiveNumber_ResultFactorial()
{
// Arrange
// Act
var result = Recursive.Factorial(5);
// Assert
Assert.Equal(120, result);
}
public void Factorial_WhenZero_ResultOne()
{
// Arrange
// Act
var result = Recursive.Factorial(0);
// Assert
Assert.Equal(1, result);
}