public void GetNextHoliday_ReturnsNull_IfThereIsNoMoreHolidays()
{
//Arrange
HolidaysManager manager = new HolidaysManager();
manager.AddHoliday(new DateTime(2017, 5, 3));
DateTime baseDate = new DateTime(2017, 5, 4);
//Act
DateTime? result = manager.GetNextHoliday(baseDate);
//Assert
Assert.IsNull(result);
}
public void GetNextHolidayWithEndDate_ReturnsNull_IfThereAreHolidaysOnlyAfterEndDate()
{
//Arrange
HolidaysManager manager = new HolidaysManager();
manager.AddHoliday(new DateTime(2017, 5, 3));
DateTime startDate = new DateTime(2017, 4, 2);
DateTime endDate = new DateTime(2017, 4, 21);
//Act
DateTime? result = manager.GetNextHoliday(startDate, endDate);
//Assert
Assert.IsNull(result);
}
public void GetNextHoliday_ReturnsClosestRegisteredHoliday()
{
//Arrange
HolidaysManager manager = new HolidaysManager();
manager.AddHoliday(new DateTime(2017, 5, 1));
manager.AddHoliday(new DateTime(2017, 5, 3));
manager.AddHoliday(new DateTime(2017, 11, 11));
DateTime baseDate = new DateTime(2017, 5, 2);
//Act
DateTime? date = manager.GetNextHoliday(baseDate);
//Assert
DateTime expectedDate = new DateTime(2017, 5, 3);
Assert.AreEqual(expectedDate, date);
}