public void TestToString()
{
var x = new DateRange(new DateTime(1800, 11, 12), new DateTime(1900, 11, 12, 23, 18, 17));
Console.WriteLine(x.ToString());
Aver.AreEqual("[11/12/1800 12:00 AM - 11/12/1900 11:18 PM]", x.ToString("MM/dd/yyyy hh:mm tt", System.Globalization.CultureInfo.InvariantCulture));
}