[PATCH 2/8] qedit/tests: Add some tests for null renderer filter interfaces.

[Zebediah Figura]

Signed-off-by: Zebediah Figura 
---
 dlls/qedit/tests/Makefile.in    |  1 +
 dlls/qedit/tests/nullrenderer.c | 95 +++++++++++++++++++++++++++++++++
 2 files changed, 96 insertions(+)
 create mode 100644 dlls/qedit/tests/nullrenderer.c

diff --git a/dlls/qedit/tests/Makefile.in b/dlls/qedit/tests/Makefile.in
index 052336d64d..53d95d774c 100644
--- a/dlls/qedit/tests/Makefile.in
+++ b/dlls/qedit/tests/Makefile.in
@@ -3,6 +3,7 @@ IMPORTS   = oleaut32 ole32

C_SRCS = \
    mediadet.c \
+	nullrenderer.c \
    samplegrabber.c \
    timeline.c

diff --git a/dlls/qedit/tests/nullrenderer.c b/dlls/qedit/tests/nullrenderer.c
new file mode 100644
index 0000000000..025a258481
--- /dev/null
+++ b/dlls/qedit/tests/nullrenderer.c
@@ -0,0 +1,95 @@
+/*
+ * Null renderer filter unit tests
+ *
+ * Copyright 2018 Zebediah Figura
+ *
+ * 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 IBaseFilter *create_null_renderer(void)
+{
+    IBaseFilter *filter = NULL;
+    HRESULT hr = CoCreateInstance(&CLSID_NullRenderer, NULL, CLSCTX_INPROC_SERVER,
+            &IID_IBaseFilter, (void **)&filter);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    return filter;
+}
+
+#define check_interface(a, b, c) check_interface_(__LINE__, a, b, c)
+static void check_interface_(unsigned int line, void *iface_ptr, REFIID iid, BOOL supported)
+{
+    IUnknown *iface = iface_ptr;
+    HRESULT hr, expected_hr;
+    IUnknown *unk;
+
+    expected_hr = supported ? S_OK : E_NOINTERFACE;
+
+    hr = IUnknown_QueryInterface(iface, iid, (void **)&unk);
+    ok_(__FILE__, line)(hr == expected_hr, "Got hr %#x, expected %#x.\n", hr, expected_hr);
+    if (SUCCEEDED(hr))
+        IUnknown_Release(unk);
+}
+
+static void test_interfaces(void)
+{
+    IBaseFilter *filter = create_null_renderer();
+    ULONG ref;
+
+    check_interface(filter, &IID_IBaseFilter, TRUE);
+    check_interface(filter, &IID_IMediaFilter, TRUE);
+    check_interface(filter, &IID_IMediaPosition, TRUE);
+    check_interface(filter, &IID_IMediaSeeking, TRUE);
+    check_interface(filter, &IID_IPersist, TRUE);
+    check_interface(filter, &IID_IUnknown, TRUE);
+
+    todo_wine check_interface(filter, &IID_IAMFilterMiscFlags, FALSE);
+    check_interface(filter, &IID_IBasicAudio, FALSE);
+    check_interface(filter, &IID_IBasicVideo, FALSE);
+    check_interface(filter, &IID_IKsPropertySet, FALSE);
+    check_interface(filter, &IID_IPersistPropertyBag, FALSE);
+    check_interface(filter, &IID_IPin, FALSE);
+    todo_wine check_interface(filter, &IID_IQualityControl, FALSE);
+    check_interface(filter, &IID_IQualProp, FALSE);
+    check_interface(filter, &IID_IReferenceClock, FALSE);
+    check_interface(filter, &IID_IVideoWindow, FALSE);
+
+    ref = IBaseFilter_Release(filter);
+    ok(!ref, "Got unexpected refcount %d.\n", ref);
+}
+
+START_TEST(nullrenderer)
+{
+    IBaseFilter *filter;
+    HRESULT hr;
+
+    CoInitialize(NULL);
+
+    if (FAILED(hr = CoCreateInstance(&CLSID_NullRenderer, NULL, CLSCTX_INPROC_SERVER,
+            &IID_IBaseFilter, (void **)&filter)))
+    {
+        /* qedit.dll does not exist on 2003. */
+        win_skip("Failed to create null renderer filter, hr %#x.\n", hr);
+        return;
+    }
+    IBaseFilter_Release(filter);
+
+    test_interfaces();
+
+    CoUninitialize();
+}