public void CalculateAge_GivenItsMyThirdBirthday_ShouldReturn3()
{
//Arrange
var itsMyThirdBirthday = new DateTime(1993, 09, 12);
var dob = new DateTime(1990, 09, 12);
//Act
var age = Age.CalculateAge(dob, itsMyThirdBirthday);
//Assert
Assert.AreEqual(age, 3);
}
private static int GetAge(DateTime dob, DateTime currentDateTime)
{
var age = Age.CalculateAge(dob, currentDateTime);
return(age);
}