public void ArrangeOverride ()
{
ScrollChrome s = new ScrollChrome ();
s.Arrange (new Rect (0, 0, 100, 100));
Assert.AreEqual (s.DesiredSize.Width, 0, "DesiredSize.Width");
Assert.AreEqual (s.DesiredSize.Height, 0, "DesiredSize.Height");
Assert.AreEqual (s.Width, double.NaN, "Width");
Assert.AreEqual (s.Height, double.NaN, "Height");
}
