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