Exhaustive Unit Testing
roy at panix.com
Fri Nov 28 14:44:31 CET 2008
In article <mailman.4622.1227875510.3487.python-list at python.org>,
Nigel Rantor <wiggly at wiggly.org> wrote:
> Roy Smith wrote:
> > There's a well known theory in studies of the human brain which says people
> > are capable of processing about 7 +/- 2 pieces of information at once.
> It's not about processing multiple taks, it's about the amount of things
> that can be held in working memory.
Yes, and that's what I'm talking about here. If there's N possible code
paths, can you think about all of them at the same time while you look at
your code and simultaneously understand them all? If I write:
it's easy to get a good mental picture of all the consequences of foo being
true or false. As the number of paths go up, it becomes harder to think of
them all as a coherent piece of code and you have to resort to examining
the paths sequentially.
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