The first answer is:
ComposableModel was not a subclass of model at first :P


Ben

On 12 Mar 2014, at 13:09, Laurent Laffont <laurent.laffont@gmail.com> wrote:

Hi,

I'm trying to have tests green for TWM. I found:

ComposableModel>>initialExtent
^ nil

on superclass Model there's

Model>>initialExtent
^ RealEstateAgent standardWindowExtent

that sounds good. So I don't understand why ComposableModel redefine #initialExtent to answer nil. Any explanation ?

Laurent