public void ContainsPeriodTest() { DateTime now = ClockProxy.Clock.Now; SchoolDay schoolDay = new SchoolDay( now ); TimePeriodCollection timePeriods = new TimePeriodCollection( schoolDay ); TimeRange timeRange = new TimeRange( schoolDay.Lesson1.Start, schoolDay.Lesson1.End ); Assert.IsFalse( timePeriods.Contains( timeRange ) ); Assert.IsTrue( timePeriods.ContainsPeriod( timeRange ) ); timePeriods.Add( timeRange ); Assert.IsTrue( timePeriods.Contains( timeRange ) ); Assert.IsTrue( timePeriods.ContainsPeriod( timeRange ) ); }