Re: winmm: Add a bunch of new mmio tests which discover some bugs in mmio handling.

[Alexandre Julliard]

Dmitry Timoshkov  writes:
> @@ -45,6 +45,20 @@ static DWORD RIFF_buf[] =
>      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
>  };
>
> +#define expect_buf_offset(_hmmio, _off) \
> +do \
> +{ \
> - MMIOINFO _mmio; \
> - LONG _ret; \
> - memset(&_mmio, 0, sizeof(_mmio)); \
> - _ret = mmioGetInfo((_hmmio), &_mmio, 0); \
> - ok(_ret == MMSYSERR_NOERROR, "mmioGetInfo error %u\n", _ret); \
> - ok(_mmio.lBufOffset == 0, "expected 0, got %d\n", _mmio.lBufOffset); \
> - _ret = mmioSeek((_hmmio), 0, SEEK_CUR); \
> - ok(_ret == (_off), "expected %d, got %d\n", (_off), _ret); \
>
> +} \
> +while (0)

Please avoid such multi-line macros, define a function instead.