Re: [PATCH 1/7] qedit/tests: Add more tests for sample grabber filter interfaces.

[Michael Stefaniuc]

On 4/17/19 6:20 AM, Zebediah Figura wrote:
> On 4/16/19 11:17 PM, Francois Gouget wrote:
> > - Detect if the qedit functionality is present and win_skip() if not.
> >
> > I don't know the best way to check if the qedit functionality is
> >     present.
> >     Check a landmark QueryInterface() result?
> >     Manually check the registry?
> >     COM being quite widespread it feels like we should probably have a
> >     standard way of doing this type of check.
> >
> > But I'm certainly not excluding other approaches.
>
> Yeah, this case would probably be easiest; we can just bail on
> CO_E_CLASSNOTREG. I was just wondering if you had anything different in
> mind.

That's what is done in some of the DirectMusic dlls too.
E.g missing_dmsynth() in dlls/dmsynth/tests/dmsynth.c .

bye
    michael