suggestion library for mocking C functions

[Shivansh Rai]

To add to the information by asomers@, this comment [1] might also be
relevant.

[1]: https://github.com/google/cmockery/pull/30#issuecomment-251064107

Regards,
-- Shivansh


On Sun, Sep 24, 2017 at 9:52 PM Alan Somers <asomers at freebsd.org> wrote:

> On Sun, Sep 24, 2017 at 1:05 AM, John-Mark Gurney <jmg at funkthat.com>
> wrote:
> > Is there a recommended/supported library for mocking C functions?
> >
> > I want to write some test cases for functions that call other code
> > in the same compilation unit that I want to be able to mock.
> >
> > There are a few out there, but was wondering if anyone has suggestions?
> >
> > Thanks.
> >
> > --
> >   John-Mark Gurney                              Voice: +1 415 225 5579
> <(415)%20225-5579>
>
> There is no good C mocking library.  The language simply doesn't
> provide a good way to do it.  CMockery is the best I've seen.
> However, it's got some big limitations because it relies on the linker
> to swap out function implementations.  Your other option is to use a
> C++ mocking library.  It's usually possible to build your application
> as C, but build the tests as C++.  However, you'll still need to make
> a few modifications to the application source to be able to mock
> functions.  You can probably hide it all in the preprocessor.  If you
> go this route, I recommend googletest, which nowadays includes mocking
> functionality too.
>
> https://github.com/google/cmockery
> https://github.com/google/googletest
>
> -Alan
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