Re: burden of maintainance

[Eli Zaretskii]

> From: Tassilo Horn <address@hidden>
> Cc: address@hidden,  address@hidden,  address@hidden
> Date: Fri, 02 Oct 2015 21:16:58 +0200
> 
> > When all of these are implemented, then yes, writing display tests
> > should be relatively easy.  But today all this infrastructure doesn't
> > exist.  We don't even have its detailed design.
> 
> That's obviously not what I've head in mind.  But I don't think that's
> an area where we need a special focus on tests.  At least I have the
> feeling that there are only few bugs wrt. the display engine.

I wish this were true.  Bugs are still being reported, albeit at a low
frequency.

But a good test suite is required not only to find existing bugs, it
is also required to be sure changes we make to introduce new features
don't introduce bugs in what was previously correct behavior.