public void StartTimeBeforeEndTime() { //test start time before midnight DateTime startTime = new DateTime(DateTime.Today.Year, DateTime.Today.Month, DateTime.Today.Day, 7, 20, 29); DateTime endTime = new DateTime(DateTime.Today.Year, DateTime.Today.Month, DateTime.Today.Day, 11, 20, 29); Assert.IsTrue(sitter.StartTimeBeforeEndTime(startTime, endTime)); //test start time after midnight startTime = new DateTime(DateTime.Today.Year, DateTime.Today.Month, DateTime.Today.Day, 1, 20, 29); endTime = new DateTime(DateTime.Today.Year, DateTime.Today.Month, DateTime.Today.Day + 1, 3, 20, 29); Assert.IsTrue(sitter.StartTimeBeforeEndTime(startTime, endTime)); }