quartz/tests: Add a test for aggregation on the seeking passthrough object.

dlls/quartz/tests/Makefile.in

@@ -11,6 +11,7 @@ C_SRCS = \
 	filtermapper.c \
 	memallocator.c \
 	mpegsplit.c \
+	passthrough.c \
 	systemclock.c \
 	videorenderer.c \
 	vmr7.c \

dlls/quartz/tests/passthrough.c

+/*
+ * Seeking passthrough unit tests
+ *
+ * Copyright 2020 Zebediah Figura for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#define COBJMACROS
+#include "dshow.h"
+#include "wine/test.h"
+
+static ULONG get_refcount(void *iface)
+{
+    IUnknown *unknown = iface;
+    IUnknown_AddRef(unknown);
+    return IUnknown_Release(unknown);
+}
+
+static const GUID test_iid = {0x33333333};
+static LONG outer_ref = 1;
+
+static HRESULT WINAPI outer_QueryInterface(IUnknown *iface, REFIID iid, void **out)
+{
+    if (IsEqualGUID(iid, &IID_IUnknown)
+            || IsEqualGUID(iid, &IID_ISeekingPassThru)
+            || IsEqualGUID(iid, &test_iid))
+    {
+        *out = (IUnknown *)0xdeadbeef;
+        return S_OK;
+    }
+    ok(0, "unexpected call %s\n", wine_dbgstr_guid(iid));
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI outer_AddRef(IUnknown *iface)
+{
+    return InterlockedIncrement(&outer_ref);
+}
+
+static ULONG WINAPI outer_Release(IUnknown *iface)
+{
+    return InterlockedDecrement(&outer_ref);
+}
+
+static const IUnknownVtbl outer_vtbl =
+{
+    outer_QueryInterface,
+    outer_AddRef,
+    outer_Release,
+};
+
+static IUnknown test_outer = {&outer_vtbl};
+
+static void test_aggregation(void)
+{
+    ISeekingPassThru *passthrough, *passthrough2;
+    IUnknown *unk, *unk2;
+    HRESULT hr;
+    ULONG ref;
+
+    passthrough = (ISeekingPassThru *)0xdeadbeef;
+    hr = CoCreateInstance(&CLSID_SeekingPassThru, &test_outer, CLSCTX_INPROC_SERVER,
+            &IID_ISeekingPassThru, (void **)&passthrough);
+    ok(hr == E_NOINTERFACE, "Got hr %#x.\n", hr);
+    ok(!passthrough, "Got interface %p.\n", passthrough);
+
+    hr = CoCreateInstance(&CLSID_SeekingPassThru, &test_outer, CLSCTX_INPROC_SERVER,
+            &IID_IUnknown, (void **)&unk);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
+    ok(unk != &test_outer, "Returned IUnknown should not be outer IUnknown.\n");
+    ref = get_refcount(unk);
+    ok(ref == 1, "Got unexpected refcount %d.\n", ref);
+
+    ref = IUnknown_AddRef(unk);
+    ok(ref == 2, "Got unexpected refcount %d.\n", ref);
+    ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
+
+    ref = IUnknown_Release(unk);
+    ok(ref == 1, "Got unexpected refcount %d.\n", ref);
+    ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
+
+    hr = IUnknown_QueryInterface(unk, &IID_IUnknown, (void **)&unk2);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(unk2 == unk, "Got unexpected IUnknown %p.\n", unk2);
+    IUnknown_Release(unk2);
+
+    hr = IUnknown_QueryInterface(unk, &IID_ISeekingPassThru, (void **)&passthrough);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+
+    hr = ISeekingPassThru_QueryInterface(passthrough, &IID_IUnknown, (void **)&unk2);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    todo_wine ok(unk2 == (IUnknown *)0xdeadbeef, "Got unexpected IUnknown %p.\n", unk2);
+
+    hr = ISeekingPassThru_QueryInterface(passthrough, &IID_ISeekingPassThru, (void **)&passthrough2);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(passthrough2 == (ISeekingPassThru *)0xdeadbeef, "Got unexpected ISeekingPassThru %p.\n", passthrough2);
+
+    hr = IUnknown_QueryInterface(unk, &test_iid, (void **)&unk2);
+    ok(hr == E_NOINTERFACE, "Got hr %#x.\n", hr);
+    ok(!unk2, "Got unexpected IUnknown %p.\n", unk2);
+
+    hr = ISeekingPassThru_QueryInterface(passthrough, &test_iid, (void **)&unk2);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ok(unk2 == (IUnknown *)0xdeadbeef, "Got unexpected IUnknown %p.\n", unk2);
+
+    ISeekingPassThru_Release(passthrough);
+    ref = IUnknown_Release(unk);
+    todo_wine ok(!ref, "Got unexpected refcount %d.\n", ref);
+    todo_wine ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
+}
+
+START_TEST(passthrough)
+{
+    CoInitialize(NULL);
+
+    test_aggregation();
+
+    CoUninitialize();
+}