quartz/tests: Test MPEG layer-3 decoder unconnected filter state.

dlls/quartz/tests/mpeglayer3.c

@@ -200,6 +200,63 @@ static void test_aggregation(void)
     ok(outer_ref == 1, "Got unexpected refcount %ld.\n", outer_ref);
 }
 
+static void test_unconnected_filter_state(void)
+{
+    IBaseFilter *filter = create_mpeg_layer3_decoder();
+    FILTER_STATE state;
+    HRESULT hr;
+    ULONG ref;
+
+    hr = IBaseFilter_GetState(filter, 0, &state);
+    ok(hr == S_OK, "Got hr %#lx.\n", hr);
+    ok(state == State_Stopped, "Got state %u.\n", state);
+
+    hr = IBaseFilter_Pause(filter);
+    ok(hr == S_OK, "Got hr %#lx.\n", hr);
+
+    hr = IBaseFilter_GetState(filter, 0, &state);
+    ok(hr == S_OK, "Got hr %#lx.\n", hr);
+    ok(state == State_Paused, "Got state %u.\n", state);
+
+    hr = IBaseFilter_Run(filter, 0);
+    ok(hr == S_OK, "Got hr %#lx.\n", hr);
+
+    hr = IBaseFilter_GetState(filter, 0, &state);
+    ok(hr == S_OK, "Got hr %#lx.\n", hr);
+    ok(state == State_Running, "Got state %u.\n", state);
+
+    hr = IBaseFilter_Pause(filter);
+    ok(hr == S_OK, "Got hr %#lx.\n", hr);
+
+    hr = IBaseFilter_GetState(filter, 0, &state);
+    ok(hr == S_OK, "Got hr %#lx.\n", hr);
+    ok(state == State_Paused, "Got state %u.\n", state);
+
+    hr = IBaseFilter_Stop(filter);
+    ok(hr == S_OK, "Got hr %#lx.\n", hr);
+
+    hr = IBaseFilter_GetState(filter, 0, &state);
+    ok(hr == S_OK, "Got hr %#lx.\n", hr);
+    ok(state == State_Stopped, "Got state %u.\n", state);
+
+    hr = IBaseFilter_Run(filter, 0);
+    ok(hr == S_OK, "Got hr %#lx.\n", hr);
+
+    hr = IBaseFilter_GetState(filter, 0, &state);
+    ok(hr == S_OK, "Got hr %#lx.\n", hr);
+    ok(state == State_Running, "Got state %u.\n", state);
+
+    hr = IBaseFilter_Stop(filter);
+    ok(hr == S_OK, "Got hr %#lx.\n", hr);
+
+    hr = IBaseFilter_GetState(filter, 0, &state);
+    ok(hr == S_OK, "Got hr %#lx.\n", hr);
+    ok(state == State_Stopped, "Got state %u.\n", state);
+
+    ref = IBaseFilter_Release(filter);
+    ok(!ref, "Got outstanding refcount %ld.\n", ref);
+}
+
 START_TEST(mpeglayer3)
 {
     IBaseFilter *filter;
@@ -216,6 +273,7 @@ START_TEST(mpeglayer3)
 
     test_interfaces();
     test_aggregation();
+    test_unconnected_filter_state();
 
     CoUninitialize();
 }