Itenso.TimePeriod.TimeRange.Copy C# (CSharp) Method

        public ITimeRange Copy()
        {
            return Copy( TimeSpan.Zero );
        }

        public void CopyTest()
        {
            TimeRange readOnlyTimeRange = new TimeRange( start, end );
            Assert.AreEqual( readOnlyTimeRange.Copy( TimeSpan.Zero ), readOnlyTimeRange );

            TimeRange timeRange = new TimeRange( start, end );
            Assert.AreEqual( timeRange.Start, start );
            Assert.AreEqual( timeRange.End, end );

            ITimeRange noMoveTimeRange = timeRange.Copy( TimeSpan.Zero );
            Assert.AreEqual( noMoveTimeRange.Start, start );
            Assert.AreEqual( noMoveTimeRange.End, end );
            Assert.AreEqual( noMoveTimeRange.Duration, duration );

            TimeSpan forwardOffset = new TimeSpan( 2, 30, 15 );
            ITimeRange forwardTimeRange = timeRange.Copy( forwardOffset );
            Assert.AreEqual( forwardTimeRange.Start, start.Add( forwardOffset ) );
            Assert.AreEqual( forwardTimeRange.End, end.Add( forwardOffset ) );

            TimeSpan backwardOffset = new TimeSpan( -1, 10, 30 );
            ITimeRange backwardTimeRange = timeRange.Copy( backwardOffset );
            Assert.AreEqual( backwardTimeRange.Start, start.Add( backwardOffset ) );
            Assert.AreEqual( backwardTimeRange.End, end.Add( backwardOffset ) );
        }