winmm/tests: waveOutGetDevCaps called with invalid size

[Peter Åstrand]

On Fri, 18 Apr 2008, Robert Reif wrote:

> > -    rc=waveOutGetDevCapsA(device,&capsA,4);
> > +    /* Final call must succeed, capsA will be used below */
> > +    rc=waveOutGetDevCapsA(device,&capsA,sizeof(capsA));
> >      ok(rc==MMSYSERR_NOERROR,
> >         "waveOutGetDevCapsA(%s): MMSYSERR_NOERROR expected, got %s\n",
> >         dev_name(device),wave_out_error(rc));
> > -
> > -    rc=waveOutGetDevCapsW(device,&capsW,4);
> > -    ok(rc==MMSYSERR_NOERROR || rc==MMSYSERR_NOTSUPPORTED,
> > -       "waveOutGetDevCapsW(%s): MMSYSERR_NOERROR or MMSYSERR_NOTSUPPORTED "
> > -       "expected, got %s\n",dev_name(device),wave_out_error(rc));
> > +    if (rc!=MMSYSERR_NOERROR)
> > +	return;


> That's the whole point of the test, to check what happens with an invalid
> argument.

So what do you think *should* happen with an invalid argument? The result 
is different on different Windows platforms. The behaviour is not 
specified by MSDN. 

In any case, continuing and executing code that uses "capsA" even though 
the waveOutGetDevCapsA call failed is definitely wrong. 

 
Rgds, 
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Peter Åstrand		ThinLinc Chief Developer
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