Re: testing framework and package.el

[Christian Ohler]

 On 13/10/10 4:41, Stephen J. Turnbull wrote:
> Christian Ohler writes:
>
>   >  As long as we don't touch a given test, we know that it's
>   >  compatible.  If we have to modify it to keep it passing, we know
>   >  that there was an incompatible change.
>
> You are forgetting new tests for old features.

I was referring to them as "tests written after the fact", sorry for not 
being clearer.

> These *must* be run
> against old versions to ensure that the current version of the feature
> is still compatible with the old one.

Yes; but this only needs to be done once per test.  The old version is 
not going to change.  This is assuming that tests get merged into all 
branches where changes are made, including bugfix branches.  I assume 
this is the part that you want to avoid.

Christian.