[PATCH v4 2/3] mfplat: tests: Validate MFCancelWorkItem releases the callback.

[Yuxuan Shui]

From: Yuxuan Shui

---
 dlls/mfplat/tests/mfplat.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/dlls/mfplat/tests/mfplat.c b/dlls/mfplat/tests/mfplat.c
index 5f9460655ec..7f0d721392d 100644
--- a/dlls/mfplat/tests/mfplat.c
+++ b/dlls/mfplat/tests/mfplat.c
@@ -3560,6 +3560,7 @@ static void test_scheduled_items(void)
     IMFAsyncResult *result;
     MFWORKITEM_KEY key, key2;
     HRESULT hr;
+    ULONG refcount;

callback = create_test_callback(NULL);

@@ -3572,6 +3573,9 @@ static void test_scheduled_items(void)
     hr = MFCancelWorkItem(key);
     ok(hr == S_OK, "Failed to cancel item, hr %#lx.\n", hr);

+    refcount = IMFAsyncCallback_Release(&callback->IMFAsyncCallback_iface);
+    ok(refcount == 0, "Unexpected refcount %lu.\n", refcount);
+
     hr = MFCancelWorkItem(key);
     ok(hr == MF_E_NOT_FOUND || broken(hr == S_OK) /* < win10 */, "Unexpected hr %#lx.\n", hr);

@@ -3581,6 +3585,8 @@ static void test_scheduled_items(void)
         return;
     }

+    callback = create_test_callback(NULL);
+
     hr = MFCreateAsyncResult(NULL, &callback->IMFAsyncCallback_iface, NULL, &result);
     ok(hr == S_OK, "Failed to create result, hr %#lx.\n", hr);