[PATCH v3 3/4] mmdevapi/tests: add test for IDeviceTopology

[David McFarland]

From: David McFarland

---
 dlls/mmdevapi/tests/Makefile.in      |   1 +
 dlls/mmdevapi/tests/devicetopology.c | 103 +++++++++++++++++++++++++++
 2 files changed, 104 insertions(+)
 create mode 100644 dlls/mmdevapi/tests/devicetopology.c

diff --git a/dlls/mmdevapi/tests/Makefile.in b/dlls/mmdevapi/tests/Makefile.in
index dd180a253b9..b63bd47043f 100644
--- a/dlls/mmdevapi/tests/Makefile.in
+++ b/dlls/mmdevapi/tests/Makefile.in
@@ -4,6 +4,7 @@ IMPORTS   = ole32 version user32 advapi32 winmm
 C_SRCS = \
    capture.c \
    dependency.c \
+	devicetopology.c \
    mmdevenum.c \
    propstore.c \
    render.c \
diff --git a/dlls/mmdevapi/tests/devicetopology.c b/dlls/mmdevapi/tests/devicetopology.c
new file mode 100644
index 00000000000..269602c4335
--- /dev/null
+++ b/dlls/mmdevapi/tests/devicetopology.c
@@ -0,0 +1,103 @@
+/*
+ * 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
+ */
+
+#include <math.h>
+#include <stdio.h>
+
+#include "wine/test.h"
+
+#define COBJMACROS
+
+#include "mmdeviceapi.h"
+#include "devicetopology.h"
+#include "mmsystem.h"
+
+static IMMDeviceEnumerator *mme = NULL;
+static IMMDevice *dev = NULL;
+static IDeviceTopology *dt = NULL;
+
+static void test_connectors(void)
+{
+    HRESULT hr;
+    UINT connector_count;
+
+    hr = IDeviceTopology_GetConnectorCount(dt, &connector_count);
+    ok(hr == S_OK, "GetConnectorCount returns 0x%08lx\n", hr);
+    trace("connector count: %u\n", connector_count);
+
+    if (hr == S_OK && connector_count > 0)
+    {
+        IConnector *connector;
+
+        hr = IDeviceTopology_GetConnector(dt, 0, &connector);
+        ok(hr == S_OK, "GetConnector returns 0x%08lx\n", hr);
+
+        if (hr == S_OK)
+        {
+            ConnectorType type;
+
+            hr = IConnector_GetType(connector, &type);
+            ok(hr == S_OK, "GetConnector returns 0x%08lx\n", hr);
+            trace("connector 0 type: %u\n", connector_count);
+        }
+    }
+}
+
+START_TEST(devicetopology)
+{
+    HRESULT hr;
+
+    CoInitializeEx(NULL, COINIT_MULTITHREADED);
+    hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, (void**)&mme);
+    if (FAILED(hr))
+    {
+        skip("mmdevapi not available: 0x%08lx\n", hr);
+        goto cleanup;
+    }
+
+    hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(mme, eRender, eMultimedia, &dev);
+    ok(hr == S_OK || hr == E_NOTFOUND, "GetDefaultAudioEndpoint failed: 0x%08lx\n", hr);
+    if (hr != S_OK || !dev)
+    {
+        if (hr == E_NOTFOUND)
+            skip("No sound card available\n");
+        else
+            skip("GetDefaultAudioEndpoint returns 0x%08lx\n", hr);
+        goto cleanup;
+    }
+
+    hr = IMMDevice_Activate(dev, &IID_IDeviceTopology, CLSCTX_INPROC_SERVER, NULL, (void**)&dt);
+    ok(hr == S_OK || hr == E_NOINTERFACE, "IDeviceTopology Activation failed: 0x%08lx\n", hr);
+    if (hr != S_OK || !dev)
+    {
+        if (hr == E_NOINTERFACE)
+            skip("IDeviceTopology interface not found\n");
+        else
+            skip("IDeviceTopology Activation returns 0x%08lx\n", hr);
+        goto cleanup;
+    }
+
+    test_connectors();
+
+    IDeviceTopology_Release(dt);
+
+cleanup:
+    if (dev)
+        IMMDevice_Release(dev);
+    if (mme)
+        IMMDeviceEnumerator_Release(mme);
+    CoUninitialize();
+}