qcap/tests: Add tests for allocator management by the video capture filter.

dlls/qcap/tests/videocapture.c

@@ -360,8 +360,9 @@ static void testfilter_init(struct testfilter *filter)
     strmbase_sink_init(&filter->sink, &filter->filter, L"sink", &testsink_ops, NULL);
 }
 
-static void test_filter_state(IMediaControl *control)
+static void test_filter_state(IMediaControl *control, IMemAllocator *allocator)
 {
+    IMediaSample *sample;
     OAFilterState state;
     HRESULT hr;
 
@@ -369,6 +370,9 @@ static void test_filter_state(IMediaControl *control)
     ok(hr == S_OK, "Got hr %#x.\n", hr);
     ok(state == State_Stopped, "Got state %u.\n", state);
 
+    hr = IMemAllocator_GetBuffer(allocator, &sample, NULL, NULL, 0);
+    ok(hr == VFW_E_NOT_COMMITTED, "Got hr %#x.\n", hr);
+
     hr = IMediaControl_Pause(control);
     ok(hr == S_OK, "Got hr %#x.\n", hr);
 
@@ -376,6 +380,10 @@ static void test_filter_state(IMediaControl *control)
     ok(hr == VFW_S_CANT_CUE, "Got hr %#x.\n", hr);
     ok(state == State_Paused, "Got state %u.\n", state);
 
+    hr = IMemAllocator_GetBuffer(allocator, &sample, NULL, NULL, AM_GBF_NOWAIT);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    IMediaSample_Release(sample);
+
     hr = IMediaControl_Run(control);
     ok(hr == S_OK, "Got hr %#x.\n", hr);
 
@@ -397,6 +405,9 @@ static void test_filter_state(IMediaControl *control)
     ok(hr == S_OK, "Got hr %#x.\n", hr);
     ok(state == State_Stopped, "Got state %u.\n", state);
 
+    hr = IMemAllocator_GetBuffer(allocator, &sample, NULL, NULL, 0);
+    ok(hr == VFW_E_NOT_COMMITTED, "Got hr %#x.\n", hr);
+
     hr = IMediaControl_Run(control);
     ok(hr == S_OK, "Got hr %#x.\n", hr);
 
@@ -404,12 +415,33 @@ static void test_filter_state(IMediaControl *control)
     ok(hr == S_OK, "Got hr %#x.\n", hr);
     ok(state == State_Running, "Got state %u.\n", state);
 
+    hr = IMemAllocator_GetBuffer(allocator, &sample, NULL, NULL, AM_GBF_NOWAIT);
+    todo_wine ok(hr == VFW_E_TIMEOUT, "Got hr %#x.\n", hr);
+    if (hr == S_OK) IMediaSample_Release(sample);
+
     hr = IMediaControl_Stop(control);
     ok(hr == S_OK, "Got hr %#x.\n", hr);
 
     hr = IMediaControl_GetState(control, 0, &state);
     ok(hr == S_OK, "Got hr %#x.\n", hr);
     ok(state == State_Stopped, "Got state %u.\n", state);
+
+    hr = IMemAllocator_GetBuffer(allocator, &sample, NULL, NULL, 0);
+    ok(hr == VFW_E_NOT_COMMITTED, "Got hr %#x.\n", hr);
+
+    /* Test committing the allocator before the capture filter does. */
+
+    hr = IMemAllocator_Commit(allocator);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IMediaControl_Pause(control);
+    todo_wine ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IMemAllocator_Decommit(allocator);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IMediaControl_Stop(control);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
 }
 
 static void test_connect_pin(IBaseFilter *filter, IPin *source)
@@ -460,7 +492,9 @@ static void test_connect_pin(IBaseFilter *filter, IPin *source)
     hr = IFilterGraph2_ConnectDirect(graph, source, &testsink.sink.pin.IPin_iface, &req_mt);
     ok(hr == S_OK, "Got hr %#x.\n", hr);
 
-    test_filter_state(control);
+    ok(!!testsink.sink.pAllocator, "Expected to be assigned an allocator.\n");
+
+    test_filter_state(control, testsink.sink.pAllocator);
 
     hr = IPin_ConnectedTo(source, &peer);
     ok(hr == S_OK, "Got hr %#x.\n", hr);