ole32: Prevent adding additional cache entries to static class caches.

Signed-off-by: Sergio Gómez Del Real <sdelreal@codeweavers.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Sergio Gómez Del Real 2018-01-23 08:47:24 +00:00 committed by Alexandre Julliard
parent c4a595e316
commit 3bf32809b0
2 changed files with 25 additions and 0 deletions

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@ -2453,6 +2453,8 @@ static HRESULT WINAPI DataCache_Cache(
return CACHE_S_SAMECACHE;
}
if (This->clsid_static) return DV_E_FORMATETC;
hr = DataCache_CreateEntry(This, &fmt_cpy, advf, FALSE, &cache_entry);
if (SUCCEEDED(hr))

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@ -2426,6 +2426,29 @@ static void test_data_cache_cache(void)
IDataObject_Release( data );
IOleCache2_Release( cache );
/* tests for a static class cache */
hr = CreateDataCache( NULL, &CLSID_Picture_Dib, &IID_IOleCache2, (void **)&cache );
fmt.cfFormat = CF_DIB;
fmt.dwAspect = DVASPECT_CONTENT;
fmt.tymed = TYMED_HGLOBAL;
hr = IOleCache2_Cache( cache, &fmt, 0, &conn );
ok( hr == CACHE_S_SAMECACHE, "got %08x\n", hr );
/* aspect other than DVASPECT_CONTENT should fail */
fmt.dwAspect = DVASPECT_THUMBNAIL;
hr = IOleCache2_Cache( cache, &fmt, 0, &conn );
ok( FAILED(hr), "got %08x\n", hr );
/* try caching another clip format */
fmt.dwAspect = DVASPECT_CONTENT;
fmt.cfFormat = CF_METAFILEPICT;
fmt.tymed = TYMED_MFPICT;
hr = IOleCache2_Cache( cache, &fmt, 0, &conn );
ok( FAILED(hr), "got %08x\n", hr );
IOleCache2_Release( cache );
}
/* The CLSID_Picture_ classes automatically create appropriate cache entries */