amstream/tests: Add tests for GetMultiMediaStream methods.

dlls/amstream/tests/amstream.c

@@ -253,6 +253,7 @@ static void test_media_streams(void)
     if (video_stream)
     {
         IAMMediaStream* am_media_stream;
+        IMultiMediaStream *multi_media_stream;
         IAudioMediaStream* audio_media_stream;
         IDirectDrawMediaStream *ddraw_stream = NULL;
         IDirectDrawStreamSample *ddraw_sample = NULL;
@@ -260,8 +261,20 @@ static void test_media_streams(void)
         hr = IMediaStream_QueryInterface(video_stream, &IID_IAMMediaStream, (LPVOID*)&am_media_stream);
         ok(hr == S_OK, "IMediaStream_QueryInterface returned: %x\n", hr);
         ok((void*)am_media_stream == (void*)video_stream, "Not same interface, got %p expected %p\n", am_media_stream, video_stream);
+
+        hr = IAMMediaStream_GetMultiMediaStream(am_media_stream, NULL);
+        todo_wine ok(hr == E_POINTER, "Expected E_POINTER, got %x\n", hr);
+
+        multi_media_stream = (void *)0xdeadbeef;
+        hr = IAMMediaStream_GetMultiMediaStream(am_media_stream, &multi_media_stream);
+        todo_wine ok(hr == S_OK, "IAMMediaStream_GetMultiMediaStream returned: %x\n", hr);
         if (hr == S_OK)
-            IAMMediaStream_Release(am_media_stream);
+        {
+            ok((void *)multi_media_stream == (void *)pams, "Expected %p, got %p\n", pams, multi_media_stream);
+            IMultiMediaStream_Release(multi_media_stream);
+        }
+
+        IAMMediaStream_Release(am_media_stream);
 
         hr = IMediaStream_QueryInterface(video_stream, &IID_IAudioMediaStream, (LPVOID*)&audio_media_stream);
         ok(hr == E_NOINTERFACE, "IMediaStream_QueryInterface returned: %x\n", hr);
@@ -280,6 +293,18 @@ static void test_media_streams(void)
 
             hr = IDirectDrawMediaStream_CreateSample(ddraw_stream, NULL, NULL, 0, &ddraw_sample);
             ok(hr == S_OK, "IDirectDrawMediaStream_CreateSample returned: %x\n", hr);
+
+            hr = IDirectDrawMediaStream_GetMultiMediaStream(ddraw_stream, NULL);
+            todo_wine ok(hr == E_POINTER, "Expected E_POINTER, got %x\n", hr);
+
+            multi_media_stream = (void *)0xdeadbeef;
+            hr = IDirectDrawMediaStream_GetMultiMediaStream(ddraw_stream, &multi_media_stream);
+            todo_wine ok(hr == S_OK, "IDirectDrawMediaStream_GetMultiMediaStream returned: %x\n", hr);
+            if (hr == S_OK)
+            {
+                ok((void *)multi_media_stream == (void *)pams, "Expected %p, got %p\n", pams, multi_media_stream);
+                IMultiMediaStream_Release(multi_media_stream);
+            }
         }
 
         if (ddraw_sample)
@@ -344,6 +369,7 @@ static void test_media_streams(void)
     if (audio_stream)
     {
         IAMMediaStream* am_media_stream;
+        IMultiMediaStream *multi_media_stream;
         IDirectDrawMediaStream* ddraw_stream = NULL;
         IAudioMediaStream* audio_media_stream = NULL;
         IAudioStreamSample *audio_sample = NULL;
@@ -351,8 +377,20 @@ static void test_media_streams(void)
         hr = IMediaStream_QueryInterface(audio_stream, &IID_IAMMediaStream, (LPVOID*)&am_media_stream);
         ok(hr == S_OK, "IMediaStream_QueryInterface returned: %x\n", hr);
         ok((void*)am_media_stream == (void*)audio_stream, "Not same interface, got %p expected %p\n", am_media_stream, audio_stream);
+
+        hr = IAMMediaStream_GetMultiMediaStream(am_media_stream, NULL);
+        todo_wine ok(hr == E_POINTER, "Expected E_POINTER, got %x\n", hr);
+
+        multi_media_stream = (void *)0xdeadbeef;
+        hr = IAMMediaStream_GetMultiMediaStream(am_media_stream, &multi_media_stream);
+        todo_wine ok(hr == S_OK, "IAMMediaStream_GetMultiMediaStream returned: %x\n", hr);
         if (hr == S_OK)
-            IAMMediaStream_Release(am_media_stream);
+        {
+            ok((void *)multi_media_stream == (void *)pams, "Expected %p, got %p\n", pams, multi_media_stream);
+            IMultiMediaStream_Release(multi_media_stream);
+        }
+
+        IAMMediaStream_Release(am_media_stream);
 
         hr = IMediaStream_QueryInterface(audio_stream, &IID_IDirectDrawMediaStream, (LPVOID*)&ddraw_stream);
         ok(hr == E_NOINTERFACE, "IMediaStream_QueryInterface returned: %x\n", hr);
@@ -378,6 +416,18 @@ static void test_media_streams(void)
             hr = IAudioMediaStream_CreateSample(audio_media_stream, audio_data, 0, &audio_sample);
             ok(hr == S_OK, "IAudioMediaStream_CreateSample returned: %x\n", hr);
 
+            hr = IAudioMediaStream_GetMultiMediaStream(audio_media_stream, NULL);
+            todo_wine ok(hr == E_POINTER, "Expected E_POINTER, got %x\n", hr);
+
+            multi_media_stream = (void *)0xdeadbeef;
+            hr = IAudioMediaStream_GetMultiMediaStream(audio_media_stream, &multi_media_stream);
+            todo_wine ok(hr == S_OK, "IAudioMediaStream_GetMultiMediaStream returned: %x\n", hr);
+            if (hr == S_OK)
+            {
+                ok((void *)multi_media_stream == (void *)pams, "Expected %p, got %p\n", pams, multi_media_stream);
+                IMultiMediaStream_Release(multi_media_stream);
+            }
+
             if (audio_data)
                 IAudioData_Release(audio_data);
             if (audio_sample)