public void GetNextDateAfterBirthdayShouldReturnNextYearBirthday()
{
// Arrange
var futureBirthday = new Birthday(_today.Day + 1, _today.Month);
var expectedYear = _today.Year + 1;
// Act
var nextDate = futureBirthday.GetNextDate();
// Assert
Assert.AreEqual(expectedYear, nextDate.Year);
}
public void GetNextDateBeforeBirthdayShouldReturnThisYearBirthday()
{
// Arrange
var pastBirthday = new Birthday(_today.Day - 1, _today.Month);
var expectedYear = _today.Year - 1;
// Act
var nextDate = pastBirthday.GetNextDate();
// Assert
Assert.AreEqual(expectedYear, nextDate.Year);
}
