Re: [PATCH 0/1] MR9431: ole32: implement proper file flushing in FileLockBytes

[Esme Povirk (＠madewokherd)]

Esme Povirk (@madewokherd) commented about dlls/ole32/filelockbytes.c:
> static HRESULT WINAPI FileLockBytesImpl_Flush(ILockBytes* iface)
>  {
> +    FileLockBytesImpl *This = impl_from_ILockBytes(iface);
> +
> +    TRACE("(%p)\n", iface);
> +
> +    /* verify a sane environment */
> +    if (!This) return E_FAIL;
> +
> +    if (This->flProtect != PAGE_READWRITE)
> +        return STG_E_ACCESSDENIED;

I think we should have a test for this.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/9431#note_121712