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