Re: [PATCH v12 03/18] kunit: test: add string_stream a std::stream like string builder

Brendan Higgins
2019-08-13T09:12:54Z

On Tue, Aug 13, 2019 at 2:04 AM Brendan Higgins
<brendanhiggins-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org> wrote:
>
> On Mon, Aug 12, 2019 at 10:30 PM Stephen Boyd <sboyd-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> wrote:
> >
> > Quoting Brendan Higgins (2019-08-12 22:02:59)
> > > On Mon, Aug 12, 2019 at 9:56 PM Stephen Boyd <sboyd-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> wrote:
> > > >
> > > > Quoting Brendan Higgins (2019-08-12 17:41:05)
> > > > > On Mon, Aug 12, 2019 at 4:59 PM Stephen Boyd <sboyd-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> wrote:
> > > > > >
> > > > > > > kunit_resource_destroy (respective equivalents to devm_kfree, and
> > > > > > > devres_destroy) and use kunit_kfree here?
> > > > > > >
> > > > > >
> > > > > > Yes, or drop the API entirely? Does anything need this functionality?
> > > > >
> > > > > Drop the kunit_resource API? I would strongly prefer not to.
> > > >
> > > > No. I mean this API, string_stream_clear(). Does anything use it?
> > >
> > > Oh, right. No.
> > >
> > > However, now that I added the kunit_resource_destroy, I thought it
> > > might be good to free the string_stream after I use it in each call to
> > > kunit_assert->format(...) in which case I will be using this logic.
> > >
> > > So I think the right thing to do is to expose string_stream_destroy so
> > > kunit_do_assert can clean up when it's done, and then demote
> > > string_stream_clear to static. Sound good?
> >
> > Ok, sure. I don't really see how clearing it explicitly when the
> > assertion prints vs. never allocating it to begin with is really any
> > different. Maybe I've missed something though.
>
> It's for the case that we *do* print something out. Once we are doing
> printing, we don't want the fragments anymore.

Oops, sorry fat fingered: s/doing/done