public void Test2()
{
Container.Bind <IFoo>().To <Foo1>().AsSingle();
Container.Bind <IFoo>().To <Foo2>().AsSingle().IfNotBound();
Assert.IsEqual(Container.ResolveAll <IFoo>().Count, 1);
Assert.IsType <Foo1>(Container.Resolve <IFoo>());
}