Re: [PATCH v2 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:
> +if (hr == S_OK)
> +{
> - hr = IWICMetadataQueryWriter_GetLocation(query_writer, ARRAY_SIZE(buff), buff, &len);
> - ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
> - ok(!wcscmp(buff, L"/ifd"), "Unexpected location %s.\n", wine_dbgstr_w(buff));
> - IWICMetadataQueryWriter_Release(query_writer);
>
> +}
> -
> - IWICMetadataQueryReader_Release(query_reader);
> - IWICMetadataQueryReader_Release(query_reader2);
> -
> - PropVariantClear(&value);
> -
> - /* IWICMetadataReader -> IWICMetadataWriter -> IWICMetadataQueryWriter -> CreateQueryWriterFromReader(). */
> - hr = create_query_writer_from_metadata_reader(factory, reader, &GUID_ContainerFormatJpeg, &query_writer);
> - ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);

The `query_writer` object created here is overwritten a few lines later.