public void TestMinValueMaxValue()
{
Duration min = Duration.FromSeconds(Duration.MinValue.TotalSeconds);
Assert.AreEqual(Int32.MinValue, min.Days);
Assert.AreEqual(0.0, min.Seconds);
Duration max = Duration.FromSeconds(Duration.MaxValue.TotalSeconds);
Assert.AreEqual(Int32.MaxValue, max.Days);
Assert.AreEqual(0.0, max.Seconds);
}