[erlang-questions] QuickCheck module for testing the new string module

Benoit Chesneau <>
Fri Apr 7 19:14:49 CEST 2017


what is the issue in using a tool using the gpl3 license? it's not like you
will include in your code.

Anyway how does triq compare? does it provides the same level of features.
It would be indeed a lot better to provides tests in a form that anyone can
launch without having to buy a really expensive license...

- benoit

On 6 April 2017 at 20:34:58, Krzysztof Jurewicz (
) wrote:

> Michael Truog writes:
>
> It would help if you switched to using PropEr instead of QuickCheck, since
> QuickCheck for Erlang requires a license. Using PropEr instead would be
> more similar to using QuickCheck in Haskell due to its availability. That
> should also allow tests like these to be included easily in Erlang/OTP
> source and reused when testing the Erlang/OTP source code.
>
>
> Unfortunately, PropEr is licensed under GNU GPL 3.0, which is not
> compatible with Apache License 2.0. Probably this will not change anytime
> soon. See this issue for further reference:
> https://github.com/manopapad/proper/issues/29
>
> triq may be a better solution, as it is licensed under Apache License 2.0.
> Here is the most active fork: https://github.com/triqng/triq
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