public void TestIThingFactory()
{
IThingFactory itf = ThingFactory.GiveMeAFactory();
IThing thing =
itf
.AddInteger(94)
.AddString("hello, world")
.Create();
Assert.AreEqual(94, thing.SomeIntegerFunction(8));
Assert.AreEqual("goodbye", thing.SaySomething("g'day"));
}