[Haskell-cafe] Re: [Haskell] ANNOUNCE: Lazy SmallCheck 0.1

Janis Voigtlaender voigt at tcs.inf.tu-dresden.de
Fri Oct 19 03:09:03 EDT 2007

That's pretty cool. If you are not yet aware of it, you might want to
compare this with the EasyCheck library for Curry. They directly use
functional logic programming for test generation, where you use
exceptions for simulating logical variables. Here are some slides of a
talk I heard recently:


(in German, unfortunately)

Matthew Naylor wrote:
> Announcing Lazy SmallCheck 0.1, a library for exhaustive,
> demand-driven testing of Haskell programs.
> Lazy SmallCheck is based on the idea that if a property holds for a
> partially-defined input then it must also hold for all fully-defined
> instantiations of that input. Compared to `eager' input generation 
> in SmallCheck, Lazy SmallCheck may require significantly fewer
> test-cases to verify a property for all inputs up to a given depth.
> There is a webpage for Lazy SmallCheck:
>   http://www-users.cs.york.ac.uk/~mfn/lazysmallcheck/
> There you'll find a more detailed description, a worked example, a
> comparison with SmallCheck on a number of benchmarks, and link to
> download the library.
> The library was developed together with Fredrik Lindblad during his
> recent visits to York.
> Suggestions, experiences and bug reports are welcome!
> Matthew.
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Dr. Janis Voigtlaender
mailto:voigt at tcs.inf.tu-dresden.de

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