diff --git a/dlls/quartz/tests/videorenderer.c b/dlls/quartz/tests/videorenderer.c
index 24cf0cc8280..bce42c4b8b9 100644
--- a/dlls/quartz/tests/videorenderer.c
+++ b/dlls/quartz/tests/videorenderer.c
@@ -600,6 +600,49 @@ static void testfilter_init(struct testfilter *filter)
     strmbase_source_init(&filter->source, &testsource_vtbl, &filter->filter, L"", &testsource_ops);
 }
 
+static void test_allocator(IMemInputPin *input)
+{
+    IMemAllocator *req_allocator, *ret_allocator;
+    ALLOCATOR_PROPERTIES props;
+    HRESULT hr;
+
+    hr = IMemInputPin_GetAllocatorRequirements(input, &props);
+    ok(hr == E_NOTIMPL, "Got hr %#x.\n", hr);
+
+    hr = IMemInputPin_GetAllocator(input, &ret_allocator);
+    todo_wine ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    if (hr == S_OK)
+    {
+        hr = IMemAllocator_GetProperties(ret_allocator, &props);
+        ok(hr == S_OK, "Got hr %#x.\n", hr);
+        ok(!props.cBuffers, "Got %d buffers.\n", props.cBuffers);
+        ok(!props.cbBuffer, "Got size %d.\n", props.cbBuffer);
+        ok(!props.cbAlign, "Got alignment %d.\n", props.cbAlign);
+        ok(!props.cbPrefix, "Got prefix %d.\n", props.cbPrefix);
+
+        hr = IMemInputPin_NotifyAllocator(input, ret_allocator, TRUE);
+        ok(hr == S_OK, "Got hr %#x.\n", hr);
+        IMemAllocator_Release(ret_allocator);
+    }
+
+    hr = IMemInputPin_NotifyAllocator(input, NULL, TRUE);
+    ok(hr == E_POINTER, "Got hr %#x.\n", hr);
+
+    CoCreateInstance(&CLSID_MemoryAllocator, NULL, CLSCTX_INPROC_SERVER,
+            &IID_IMemAllocator, (void **)&req_allocator);
+
+    hr = IMemInputPin_NotifyAllocator(input, req_allocator, TRUE);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = IMemInputPin_GetAllocator(input, &ret_allocator);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(ret_allocator == req_allocator, "Allocators didn't match.\n");
+
+    IMemAllocator_Release(req_allocator);
+    IMemAllocator_Release(ret_allocator);
+}
+
 static void test_connect_pin(void)
 {
     VIDEOINFOHEADER vih =
@@ -621,6 +664,7 @@ static void test_connect_pin(void)
     IBaseFilter *filter = create_video_renderer();
     IFilterGraph2 *graph = create_graph();
     struct testfilter source;
+    IMemInputPin *input;
     AM_MEDIA_TYPE mt;
     IPin *pin, *peer;
     unsigned int i;
@@ -682,6 +726,10 @@ static void test_connect_pin(void)
     ok(hr == S_OK, "Got hr %#x.\n", hr);
     ok(compare_media_types(&mt, &req_mt), "Media types didn't match.\n");
 
+    IPin_QueryInterface(pin, &IID_IMemInputPin, (void **)&input);
+
+    test_allocator(input);
+
     hr = IFilterGraph2_Disconnect(graph, pin);
     ok(hr == S_OK, "Got hr %#x.\n", hr);
     hr = IFilterGraph2_Disconnect(graph, pin);
@@ -697,6 +745,7 @@ static void test_connect_pin(void)
     hr = IPin_ConnectionMediaType(pin, &mt);
     ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#x.\n", hr);
 
+    IMemInputPin_Release(input);
     IPin_Release(pin);
     ref = IFilterGraph2_Release(graph);
     ok(!ref, "Got outstanding refcount %d.\n", ref);
@@ -716,7 +765,6 @@ static void test_pin(IPin *pin)
     if (mpin)
     {
         ok(IMemInputPin_ReceiveCanBlock(mpin) == S_OK, "Receive can't block for pin!\n");
-        ok(IMemInputPin_NotifyAllocator(mpin, NULL, 0) == E_POINTER, "NotifyAllocator likes a NULL pointer argument\n");
         IMemInputPin_Release(mpin);
     }
     /* TODO */