def METHOD_NAME():
    class Foo(m.Circuit):
        assert isinstance(sint(1,4), SInt)
        assert isinstance(sint([1,0,0,0]), SInt)
        assert isinstance(sint(VCC), SInt)
        assert isinstance(sint(array(1,4)), SInt)
        assert isinstance(sint(bits(1,4)), SInt)
        #assert isinstance(sint(sint(1,4)), SInt)