public void TestReallySmallSeconds()
{
Duration duration = new Duration(10, -Constants.Epsilon13);
Assert.AreEqual(duration.Days, 10);
Assert.AreEqual(0.0, duration.Seconds);
duration = new Duration(-10, Constants.Epsilon13);
Assert.AreEqual(duration.Days, -10);
Assert.AreEqual(0.0, duration.Seconds);
}