public void PostElementPrependOnTheQueue()
{
Port<int> p = new Port<int> ();
p.Post (10);
p.Post (20);
p.PostElement (new PortElement<int> (30));
Assert.AreEqual (30, (int)p, "#1");
Assert.AreEqual (10, (int)p, "#2");
Assert.AreEqual (20, (int)p, "#3");
}