[Haskell-cafe] Doctest, quickcheck and typeclass

[Janis Voigtländer]

2014-07-14 18:39 GMT+02:00 Gautier DI FOLCO <gautier.difolco at gmail.com>:

> Hi all,
>
> Is there a way, with doctest and quickcheck, to declare test at typeclass
> level (such as laws) and play them automatically at instance level?
>

Hmm, let's try googling for "Testing type class laws".

...

Oh, surprise, there is a paper with exactly that title. :-)

http://dx.doi.org/10.1145/2430532.2364514

http://wiki.portal.chalmers.se/cse/pmwiki.php/FP/ClassLaws

Maybe that does help? (Might need some extra work to actually integrate
with doctest, but the groundwork is there, I think.)

Best,
Janis.
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