Re: [PATCH 0/10] MR7329: windowscodecs/tests: Add some query tests with the Unknown reader.

[Esme Povirk (＠madewokherd)]

Esme Povirk (@madewokherd) commented about dlls/windowscodecs/tests/metadata.c:
> +    IWICMetadataReader *reader;
> +    PROPVARIANT value;
> +    IStream *stream;
> +    WCHAR buff[64];
> +    UINT count, len;
> +    HRESULT hr;
> +
> +    hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
> +            &IID_IWICComponentFactory, (void **)&factory);
> +    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
> +
> +    /* Using query reader created with CreateQueryReaderFromBlockReader().
> +
> +       It's not allowed to create the writer for top level reader. */
> +    hr = CoCreateInstance(&CLSID_WICApp1MetadataReader, NULL, CLSCTX_INPROC_SERVER,
> +            &IID_IWICMetadataReader, (void **)&reader);
> I don't think `reader` is ever released.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/7329#note_94517