public void ShrinkStartToTest() { TimeRange timeRange = new TimeRange( start, end ); timeRange.ShrinkStartTo( start.AddMilliseconds( -1 ) ); Assert.AreEqual( timeRange.Start, start ); timeRange.ShrinkStartTo( start.AddMinutes( 1 ) ); Assert.AreEqual( timeRange.Start, start.AddMinutes( 1 ) ); }