dxdiagn/tests: Add tests for IDxDiagContainer.

dlls/dxdiagn/tests/Makefile.in

@@ -6,6 +6,7 @@ TESTDLL   = dxdiagn.dll
 IMPORTS   = ole32 kernel32
 
 C_SRCS = \
+	container.c \
 	provider.c
 
 @MAKE_TEST_RULES@

dlls/dxdiagn/tests/container.c

@@ -0,0 +1,108 @@
+/*
+ * Unit tests for IDxDiagContainer
+ *
+ * Copyright 2010 Andrew Nguyen
+ *
+ * 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 "dxdiag.h"
+#include "wine/test.h"
+
+static IDxDiagProvider *pddp;
+static IDxDiagContainer *pddc;
+
+static BOOL create_root_IDxDiagContainer(void)
+{
+    HRESULT hr;
+    DXDIAG_INIT_PARAMS params;
+
+    hr = CoCreateInstance(&CLSID_DxDiagProvider, NULL, CLSCTX_INPROC_SERVER,
+                          &IID_IDxDiagProvider, (LPVOID*)&pddp);
+    if (SUCCEEDED(hr))
+    {
+        params.dwSize = sizeof(params);
+        params.dwDxDiagHeaderVersion = DXDIAG_DX9_SDK_VERSION;
+        params.bAllowWHQLChecks = FALSE;
+        params.pReserved = NULL;
+        hr = IDxDiagProvider_Initialize(pddp, &params);
+        if (SUCCEEDED(hr))
+        {
+            hr = IDxDiagProvider_GetRootContainer(pddp, &pddc);
+            if (SUCCEEDED(hr))
+                return TRUE;
+        }
+        IDxDiagProvider_Release(pddp);
+    }
+    return FALSE;
+}
+
+static void test_GetNumberOfChildContainers(void)
+{
+    HRESULT hr;
+    DWORD count;
+
+    if (!create_root_IDxDiagContainer())
+    {
+        skip("Unable to create the root IDxDiagContainer\n");
+        return;
+    }
+
+    hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, NULL);
+    ok(hr == E_INVALIDARG,
+       "Expected IDxDiagContainer::GetNumberOfChildContainers to return E_INVALIDARG, got 0x%08x\n", hr);
+
+    hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, &count);
+    ok(hr == S_OK,
+       "Expected IDxDiagContainer::GetNumberOfChildContainers to return S_OK, got 0x%08x\n", hr);
+    if (hr == S_OK)
+        ok(count != 0, "Expected the number of child containers for the root container to be non-zero\n");
+
+    IDxDiagContainer_Release(pddc);
+    IDxDiagProvider_Release(pddp);
+}
+
+static void test_GetNumberOfProps(void)
+{
+    HRESULT hr;
+    DWORD count;
+
+    if (!create_root_IDxDiagContainer())
+    {
+        skip("Unable to create the root IDxDiagContainer\n");
+        return;
+    }
+
+    hr = IDxDiagContainer_GetNumberOfProps(pddc, NULL);
+    ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::GetNumberOfProps to return E_INVALIDARG, got 0x%08x\n", hr);
+
+    hr = IDxDiagContainer_GetNumberOfProps(pddc, &count);
+    ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfProps to return S_OK, got 0x%08x\n", hr);
+    if (hr == S_OK)
+        ok(count == 0, "Expected the number of properties for the root container to be zero\n");
+
+    IDxDiagContainer_Release(pddc);
+    IDxDiagProvider_Release(pddp);
+}
+
+START_TEST(container)
+{
+    CoInitialize(NULL);
+    test_GetNumberOfChildContainers();
+    test_GetNumberOfProps();
+    CoUninitialize();
+}