public void Equals ()
{
Size s = new Size (10, 20);
Assert.IsTrue (s.Equals (s));
Assert.IsTrue (s.Equals (new Size (10, 20)));
Assert.IsTrue (Size.Equals (s, s));
Assert.IsFalse (s.Equals (new Size (5, 10)));
Assert.IsFalse (Size.Equals (s, new Size (5, 10)));
Assert.IsFalse (s.Equals (new object()));
}