Itenso.TimePeriod.TimePeriodCollection.AddAll C# (CSharp) Method

        public void AddAll( IEnumerable<ITimePeriod> timePeriods )
        {
            if ( timePeriods == null )
            {
                throw new ArgumentNullException( "timePeriods" );
            }

            foreach ( ITimePeriod period in timePeriods )
            {
                Add( period );
            }
        }

        public void GetGapTest()
        {
            DateTime now = ClockProxy.Clock.Now;
            SchoolDay schoolDay = new SchoolDay( now );
            TimePeriodCollection excludePeriods = new TimePeriodCollection();
            TimeGapCalculator<TimeRange> gapCalculator = new TimeGapCalculator<TimeRange>();

            excludePeriods.AddAll( schoolDay );

            Assert.AreEqual( gapCalculator.GetGaps( excludePeriods ).Count, 0 );
            Assert.AreEqual( gapCalculator.GetGaps( excludePeriods, schoolDay ).Count, 0 );

            excludePeriods.Clear();
            excludePeriods.Add( schoolDay.Lesson1 );
            excludePeriods.Add( schoolDay.Lesson2 );
            excludePeriods.Add( schoolDay.Lesson3 );
            excludePeriods.Add( schoolDay.Lesson4 );

            ITimePeriodCollection gaps2 = gapCalculator.GetGaps( excludePeriods );
            Assert.AreEqual( gaps2.Count, 3 );
            Assert.IsTrue( gaps2[ 0 ].IsSamePeriod( schoolDay.Break1 ) );
            Assert.IsTrue( gaps2[ 1 ].IsSamePeriod( schoolDay.Break2 ) );
            Assert.IsTrue( gaps2[ 2 ].IsSamePeriod( schoolDay.Break3 ) );

            TimeRange testRange3 = new TimeRange( schoolDay.Lesson1.Start, schoolDay.Lesson4.End );
            ITimePeriodCollection gaps3 = gapCalculator.GetGaps( excludePeriods, testRange3 );
            Assert.AreEqual( gaps3.Count, 3 );
            Assert.IsTrue( gaps3[ 0 ].IsSamePeriod( schoolDay.Break1 ) );
            Assert.IsTrue( gaps3[ 1 ].IsSamePeriod( schoolDay.Break2 ) );
            Assert.IsTrue( gaps3[ 2 ].IsSamePeriod( schoolDay.Break3 ) );

            TimeRange testRange4 = new TimeRange( schoolDay.Start.AddHours( -1 ), schoolDay.End.AddHours( 1 ) );
            ITimePeriodCollection gaps4 = gapCalculator.GetGaps( excludePeriods, testRange4 );
            Assert.AreEqual( gaps4.Count, 5 );
            Assert.IsTrue( gaps4[ 0 ].IsSamePeriod( new TimeRange( testRange4.Start, schoolDay.Start ) ) );
            Assert.IsTrue( gaps4[ 1 ].IsSamePeriod( schoolDay.Break1 ) );
            Assert.IsTrue( gaps4[ 2 ].IsSamePeriod( schoolDay.Break2 ) );
            Assert.IsTrue( gaps4[ 3 ].IsSamePeriod( schoolDay.Break3 ) );
            Assert.IsTrue( gaps4[ 4 ].IsSamePeriod( new TimeRange( testRange4.End, testRange3.End ) ) );

            excludePeriods.Clear();
            excludePeriods.Add( schoolDay.Lesson1 );
            ITimePeriodCollection gaps8 = gapCalculator.GetGaps( excludePeriods, schoolDay.Lesson1 );
            Assert.AreEqual( gaps8.Count, 0 );

            TimeRange testRange9 = new TimeRange( schoolDay.Lesson1.Start.Subtract( new TimeSpan( 1 ) ), schoolDay.Lesson1.End.Add( new TimeSpan( 1 ) ) );
            ITimePeriodCollection gaps9 = gapCalculator.GetGaps( excludePeriods, testRange9 );
            Assert.AreEqual( gaps9.Count, 2 );
            Assert.AreEqual( gaps9[ 0 ].Duration, new TimeSpan( 1 ) );
            Assert.AreEqual( gaps9[ 1 ].Duration, new TimeSpan( 1 ) );
        }