Nikolay Sivov : ole32/tests: A test to show data cache QI problems.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a411ef99fcee102dfb1a5426af2f9f6697643a67
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=a411ef99fcee102dfb1a5426af2f9f6697643a67

Author: Nikolay Sivov <nsivov at codeweavers.com>
Date:   Thu Mar 10 10:33:31 2016 +0300

ole32/tests: A test to show data cache QI problems.

Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
Signed-off-by: Huw Davies <huw at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/ole32/tests/ole2.c | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/dlls/ole32/tests/ole2.c b/dlls/ole32/tests/ole2.c
index 2167f66..d58105c 100644
--- a/dlls/ole32/tests/ole2.c
+++ b/dlls/ole32/tests/ole2.c
@@ -1505,13 +1505,11 @@ static HRESULT WINAPI Unknown_QueryInterface(IUnknown *iface, REFIID riid, void
 
 static ULONG WINAPI Unknown_AddRef(IUnknown *iface)
 {
-    ok(0, "unexpected AddRef\n");
     return 2;
 }
 
 static ULONG WINAPI Unknown_Release(IUnknown *iface)
 {
-    ok(0, "unexpected Release\n");
     return 1;
 }
 
@@ -1528,7 +1526,9 @@ static void test_data_cache(void)
 {
     HRESULT hr;
     IOleCache2 *pOleCache;
+    IOleCache *olecache;
     IStorage *pStorage;
+    IUnknown *unk;
     IPersistStorage *pPS;
     IViewObject *pViewObject;
     IOleCacheControl *pOleCacheControl;
@@ -1601,9 +1601,32 @@ static void test_data_cache(void)
 todo_wine
     ok(hr == E_INVALIDARG, "got 0x%08x\n", hr);
 
-    hr = CreateDataCache(&unknown, &CLSID_NULL, &IID_IUnknown, (void**)&pOleCache);
+    hr = CreateDataCache(&unknown, &CLSID_NULL, &IID_IUnknown, (void**)&unk);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = IUnknown_QueryInterface(unk, &IID_IOleCache, (void**)&olecache);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    hr = IUnknown_QueryInterface(unk, &IID_IOleCache2, (void**)&pOleCache);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(unk != (IUnknown*)olecache, "got %p, expected %p\n", olecache, unk);
+    ok(unk != (IUnknown*)pOleCache, "got %p, expected %p\n", pOleCache, unk);
+    IOleCache2_Release(pOleCache);
+    IOleCache_Release(olecache);
+    IUnknown_Release(unk);
+
+    hr = CreateDataCache(NULL, &CLSID_NULL, &IID_IUnknown, (void**)&unk);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    hr = IUnknown_QueryInterface(unk, &IID_IOleCache, (void**)&olecache);
     ok(hr == S_OK, "got 0x%08x\n", hr);
+    hr = IUnknown_QueryInterface(unk, &IID_IOleCache2, (void**)&pOleCache);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+todo_wine {
+    ok(unk == (IUnknown*)olecache, "got %p, expected %p\n", olecache, unk);
+    ok(unk == (IUnknown*)pOleCache, "got %p, expected %p\n", pOleCache, unk);
+}
     IOleCache2_Release(pOleCache);
+    IOleCache_Release(olecache);
+    IUnknown_Release(unk);
 
     /* Test with new data */