public void Parse() { string dateToParse = "2010-05-30T05:54:34/2010-05-31T20:20:20.000Z"; var interval = DateTimeInterval.Parse(dateToParse); Assert.AreEqual(DateTime.Parse("2010-05-30T05:54:34"), interval.StartDate); Assert.AreEqual(DateTime.Parse("2010-05-31T20:20:20.000Z"), interval.EndDate); }