Re: [PATCH 0/4] MR1046: MfMediaEngine audio and invalid format fix.

[Stefan Dösinger (＠stefan)]

Stefan Dösinger (@stefan) commented about dlls/mfmediaengine/tests/mfmediaengine.c:
> -
>    goto done;
> -
> - hr = IMFMediaEngine_Play(engine);
> - ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
> -
> - hr = IMFMediaEngine_SetLoop(engine, FALSE);
> - ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
> -
> - hr = IMFMediaEngine_GetNativeVideoSize(engine, &size_x, &size_y);
> - ok(hr == E_FAIL, "Unexpected hr %#lx.\n", hr);
> -
> - current_time = IMFMediaEngine_GetCurrentTime(engine);
> - ok(current_time == 0.0, "IMFMediaEngine_GetCurrentTime returned %lf.\n", current_time);
> -
> - duration = IMFMediaEngine_GetDuration(engine);
> - ok(isnan(duration), "IMFMediaEngine_GetDuration returned %lf.\n", duration);

Does this assume that the test video is not yet loaded? IOW, will those tests fail in unlucky situations where MF loads the file faster than expected?