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qedit/tests: Add SampleGrabber COM aggregation test.

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Michael Stefaniuc 2011-11-21 14:46:57 +01:00 committed by Alexandre Julliard
parent 35b9c42f53
commit 24da40fa85
1 changed files with 68 additions and 0 deletions
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68
dlls/qedit/tests/mediadet.c
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@ -19,6 +19,7 @@
*/
#define COBJMACROS
#define CONST_VTABLE
#include "initguid.h"
#include "ole2.h"
@ -28,6 +29,47 @@
#include "qedit.h"
#include "rc.h"
/* Outer IUnknown for COM aggregation tests */
struct unk_impl {
IUnknown IUnknown_iface;
LONG ref;
IUnknown *inner_unk;
};
static inline struct unk_impl *impl_from_IUnknown(IUnknown *iface)
{
return CONTAINING_RECORD(iface, struct unk_impl, IUnknown_iface);
}
static HRESULT WINAPI unk_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
{
struct unk_impl *This = impl_from_IUnknown(iface);
return IUnknown_QueryInterface(This->inner_unk, riid, ppv);
}
static ULONG WINAPI unk_AddRef(IUnknown *iface)
{
struct unk_impl *This = impl_from_IUnknown(iface);
return InterlockedIncrement(&This->ref);
}
static ULONG WINAPI unk_Release(IUnknown *iface)
{
struct unk_impl *This = impl_from_IUnknown(iface);
return InterlockedDecrement(&This->ref);
}
static const IUnknownVtbl unk_vtbl =
{
unk_QueryInterface,
unk_AddRef,
unk_Release
};
static WCHAR test_avi_filename[MAX_PATH];
static WCHAR test_sound_avi_filename[MAX_PATH];
@ -294,6 +336,31 @@ static void test_mediadet(void)
DeleteFileW(test_sound_avi_filename);
}
static void test_samplegrabber(void)
{
struct unk_impl unk_obj = {{&unk_vtbl}, 19, NULL};
ISampleGrabber *sg;
ULONG refcount;
HRESULT hr;
/* COM aggregation */
hr = CoCreateInstance(&CLSID_SampleGrabber, &unk_obj.IUnknown_iface, CLSCTX_INPROC_SERVER,
&IID_IUnknown, (void**)&unk_obj.inner_unk);
todo_wine ok(hr == S_OK, "CoCreateInstance failed: %08x\n", hr);
if (hr != S_OK) return;
hr = IUnknown_QueryInterface(unk_obj.inner_unk, &IID_ISampleGrabber, (void**)&sg);
ok(hr == S_OK, "QueryInterface for IID_ISampleGrabber failed: %08x\n", hr);
refcount = ISampleGrabber_AddRef(sg);
ok(refcount == unk_obj.ref, "SampleGrabber just pretends to support COM aggregation\n");
refcount = ISampleGrabber_Release(sg);
ok(refcount == unk_obj.ref, "SampleGrabber just pretends to support COM aggregation\n");
refcount = ISampleGrabber_Release(sg);
ok(refcount == 19, "Refcount should be back at 19 but is %u\n", refcount);
IUnknown_Release(unk_obj.inner_unk);
}
START_TEST(mediadet)
{
if (!init_tests())
@ -304,5 +371,6 @@ START_TEST(mediadet)
CoInitialize(NULL);
test_mediadet();
test_samplegrabber();
CoUninitialize();
}