public void NextYear_IfNextYearDoesNotHaveTheSameDayInTheSameMonthThenCalculateHowManyDaysIsMissingAndAddThatToTheLastDayInTheSameMonthNextYear() { var someBirthday = new DateTimeOffset(2008, 2, 29, 17, 0, 0, 0, TimeSpan.Zero); var nextYear = someBirthday.NextYear(); Assert.AreEqual(new DateTimeOffset(2009, 3, 1, 17, 0, 0, 0, TimeSpan.Zero), nextYear); }
public void NextYear_ReturnsTheSameDateButNextYear() { var birthday = new DateTimeOffset(1976, 12, 31, 17, 0, 0, 0, TimeSpan.Zero); var nextYear = birthday.NextYear(); Assert.AreEqual(new DateTimeOffset(1977, 12, 31, 17, 0, 0, 0, TimeSpan.Zero), nextYear); }