[DXDIAGN_WINETEST]
authorAmine Khaldi <amine.khaldi@reactos.org>
Tue, 1 Oct 2013 17:49:24 +0000 (17:49 +0000)
committerAmine Khaldi <amine.khaldi@reactos.org>
Tue, 1 Oct 2013 17:49:24 +0000 (17:49 +0000)
* Import from Wine 1.7.1.
CORE-7469

svn path=/trunk/; revision=60501

rostests/winetests/CMakeLists.txt
rostests/winetests/dxdiagn/CMakeLists.txt [new file with mode: 0644]
rostests/winetests/dxdiagn/container.c [new file with mode: 0644]
rostests/winetests/dxdiagn/provider.c [new file with mode: 0644]
rostests/winetests/dxdiagn/testlist.c [new file with mode: 0644]

index a07aa0b..7963042 100644 (file)
@@ -22,6 +22,7 @@ add_subdirectory(dinput)
 add_subdirectory(dnsapi)
 add_subdirectory(dplayx)
 add_subdirectory(dsound)
+add_subdirectory(dxdiagn)
 add_subdirectory(faultrep)
 add_subdirectory(fusion)
 add_subdirectory(gdi32)
diff --git a/rostests/winetests/dxdiagn/CMakeLists.txt b/rostests/winetests/dxdiagn/CMakeLists.txt
new file mode 100644 (file)
index 0000000..1fbad94
--- /dev/null
@@ -0,0 +1,10 @@
+
+list(APPEND SOURCE
+    container.c
+    provider
+    testlist.c)
+
+add_executable(dxdiagn_winetest ${SOURCE})
+set_module_type(dxdiagn_winetest win32cui)
+add_importlibs(dxdiagn_winetest oleaut32 ole32 msvcrt kernel32)
+add_cd_file(TARGET dxdiagn_winetest DESTINATION reactos/bin FOR all)
diff --git a/rostests/winetests/dxdiagn/container.c b/rostests/winetests/dxdiagn/container.c
new file mode 100644 (file)
index 0000000..8e6d191
--- /dev/null
@@ -0,0 +1,1030 @@
+/*
+ * 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 <stdio.h>
+#include <wine/dxdiag.h>
+#include <oleauto.h>
+#include <wine/test.h>
+
+struct property_test
+{
+    const WCHAR *prop;
+    VARTYPE vt;
+};
+
+static IDxDiagProvider *pddp;
+static IDxDiagContainer *pddc;
+
+static const WCHAR DxDiag_SystemInfo[] = {'D','x','D','i','a','g','_','S','y','s','t','e','m','I','n','f','o',0};
+static const WCHAR DxDiag_DisplayDevices[] = {'D','x','D','i','a','g','_','D','i','s','p','l','a','y','D','e','v','i','c','e','s',0};
+
+/* Based on debugstr_variant in dlls/jscript/jsutils.c. */
+static const char *debugstr_variant(const VARIANT *var)
+{
+    static char buf[400];
+
+    if (!var)
+        return "(null)";
+
+    switch (V_VT(var))
+    {
+    case VT_EMPTY:
+        return "{VT_EMPTY}";
+    case VT_BSTR:
+        sprintf(buf, "{VT_BSTR: %s}", wine_dbgstr_w(V_BSTR(var)));
+        break;
+    case VT_BOOL:
+        sprintf(buf, "{VT_BOOL: %x}", V_BOOL(var));
+        break;
+    case VT_UI4:
+        sprintf(buf, "{VT_UI4: %u}", V_UI4(var));
+        break;
+    default:
+        sprintf(buf, "{vt %d}", V_VT(var));
+        break;
+    }
+
+    return buf;
+}
+
+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);
+}
+
+static void test_EnumChildContainerNames(void)
+{
+    HRESULT hr;
+    WCHAR container[256];
+    DWORD maxcount, index;
+    static const WCHAR testW[] = {'t','e','s','t',0};
+    static const WCHAR zerotestW[] = {0,'e','s','t',0};
+
+    if (!create_root_IDxDiagContainer())
+    {
+        skip("Unable to create the root IDxDiagContainer\n");
+        return;
+    }
+
+    /* Test various combinations of invalid parameters. */
+    hr = IDxDiagContainer_EnumChildContainerNames(pddc, 0, NULL, 0);
+    ok(hr == E_INVALIDARG,
+       "Expected IDxDiagContainer::EnumChildContainerNames to return E_INVALIDARG, got 0x%08x\n", hr);
+
+    hr = IDxDiagContainer_EnumChildContainerNames(pddc, 0, NULL, sizeof(container)/sizeof(WCHAR));
+    ok(hr == E_INVALIDARG,
+       "Expected IDxDiagContainer::EnumChildContainerNames to return E_INVALIDARG, got 0x%08x\n", hr);
+
+    /* Test the conditions in which the output buffer can be modified. */
+    memcpy(container, testW, sizeof(testW));
+    hr = IDxDiagContainer_EnumChildContainerNames(pddc, 0, container, 0);
+    ok(hr == E_INVALIDARG,
+       "Expected IDxDiagContainer::EnumChildContainerNames to return E_INVALIDARG, got 0x%08x\n", hr);
+    ok(!memcmp(container, testW, sizeof(testW)),
+       "Expected the container buffer to be untouched, got %s\n", wine_dbgstr_w(container));
+
+    memcpy(container, testW, sizeof(testW));
+    hr = IDxDiagContainer_EnumChildContainerNames(pddc, ~0, container, 0);
+    ok(hr == E_INVALIDARG,
+       "Expected IDxDiagContainer::EnumChildContainerNames to return E_INVALIDARG, got 0x%08x\n", hr);
+    ok(!memcmp(container, testW, sizeof(testW)),
+       "Expected the container buffer to be untouched, got %s\n", wine_dbgstr_w(container));
+
+    memcpy(container, testW, sizeof(testW));
+    hr = IDxDiagContainer_EnumChildContainerNames(pddc, ~0, container, sizeof(container)/sizeof(WCHAR));
+    ok(hr == E_INVALIDARG,
+       "Expected IDxDiagContainer::EnumChildContainerNames to return E_INVALIDARG, got 0x%08x\n", hr);
+    ok(!memcmp(container, zerotestW, sizeof(zerotestW)),
+       "Expected the container buffer string to be empty, got %s\n", wine_dbgstr_w(container));
+
+    hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, &maxcount);
+    ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfChildContainers to return S_OK, got 0x%08x\n", hr);
+    if (FAILED(hr))
+    {
+        skip("IDxDiagContainer::GetNumberOfChildContainers failed\n");
+        goto cleanup;
+    }
+
+    trace("Starting child container enumeration of the root container:\n");
+
+    /* We should be able to enumerate as many child containers as the value
+     * that IDxDiagContainer::GetNumberOfChildContainers returns. */
+    for (index = 0; index <= maxcount; index++)
+    {
+        /* A buffer size of 1 is unlikely to be valid, as only a null terminator
+         * could be stored, and it is unlikely that a container name could be empty. */
+        DWORD buffersize = 1;
+        memcpy(container, testW, sizeof(testW));
+        hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, container, buffersize);
+        if (hr == E_INVALIDARG)
+        {
+            /* We should get here when index is one more than the maximum index value. */
+            ok(maxcount == index,
+               "Expected IDxDiagContainer::EnumChildContainerNames to return E_INVALIDARG "
+               "on the last index %d, got 0x%08x\n", index, hr);
+            ok(container[0] == '\0',
+               "Expected the container buffer string to be empty, got %s\n", wine_dbgstr_w(container));
+            break;
+        }
+        else if (hr == DXDIAG_E_INSUFFICIENT_BUFFER)
+        {
+            WCHAR temp[256];
+
+            ok(container[0] == '\0',
+               "Expected the container buffer string to be empty, got %s\n", wine_dbgstr_w(container));
+
+            /* Get the container name to compare against. */
+            hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, temp, sizeof(temp)/sizeof(WCHAR));
+            ok(hr == S_OK,
+               "Expected IDxDiagContainer::EnumChildContainerNames to return S_OK, got 0x%08x\n", hr);
+
+            /* Show that the DirectX SDK's stipulation that the buffer be at
+             * least 256 characters long is a mere suggestion, and smaller sizes
+             * can be acceptable also. IDxDiagContainer::EnumChildContainerNames
+             * doesn't provide a way of getting the exact size required, so the
+             * buffersize value will be iterated to at most 256 characters. */
+            for (buffersize = 2; buffersize <= 256; buffersize++)
+            {
+                memcpy(container, testW, sizeof(testW));
+                hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, container, buffersize);
+                if (hr != DXDIAG_E_INSUFFICIENT_BUFFER)
+                    break;
+
+                ok(!memcmp(temp, container, sizeof(WCHAR)*(buffersize - 1)),
+                   "Expected truncated container name string, got %s\n", wine_dbgstr_w(container));
+            }
+
+            ok(hr == S_OK,
+               "Expected IDxDiagContainer::EnumChildContainerNames to return S_OK, "
+               "got hr = 0x%08x, buffersize = %d\n", hr, buffersize);
+            if (hr == S_OK)
+                trace("pddc[%d] = %s, length = %d\n", index, wine_dbgstr_w(container), buffersize);
+        }
+        else
+        {
+            ok(0, "IDxDiagContainer::EnumChildContainerNames unexpectedly returned 0x%08x\n", hr);
+            break;
+        }
+    }
+
+cleanup:
+    IDxDiagContainer_Release(pddc);
+    IDxDiagProvider_Release(pddp);
+}
+
+static void test_GetChildContainer(void)
+{
+    HRESULT hr;
+    WCHAR container[256] = {0};
+    IDxDiagContainer *child;
+
+    if (!create_root_IDxDiagContainer())
+    {
+        skip("Unable to create the root IDxDiagContainer\n");
+        return;
+    }
+
+    /* Test various combinations of invalid parameters. */
+    hr = IDxDiagContainer_GetChildContainer(pddc, NULL, NULL);
+    ok(hr == E_INVALIDARG,
+       "Expected IDxDiagContainer::GetChildContainer to return E_INVALIDARG, got 0x%08x\n", hr);
+
+    child = (void*)0xdeadbeef;
+    hr = IDxDiagContainer_GetChildContainer(pddc, NULL, &child);
+    ok(hr == E_INVALIDARG,
+       "Expected IDxDiagContainer::GetChildContainer to return E_INVALIDARG, got 0x%08x\n", hr);
+    ok(child == (void*)0xdeadbeef, "Expected output pointer to be unchanged, got %p\n", child);
+
+    hr = IDxDiagContainer_GetChildContainer(pddc, container, NULL);
+    ok(hr == E_INVALIDARG,
+       "Expected IDxDiagContainer::GetChildContainer to return E_INVALIDARG, got 0x%08x\n", hr);
+
+    child = (void*)0xdeadbeef;
+    hr = IDxDiagContainer_GetChildContainer(pddc, container, &child);
+    ok(hr == E_INVALIDARG,
+       "Expected IDxDiagContainer::GetChildContainer to return E_INVALIDARG, got 0x%08x\n", hr);
+    ok(child == NULL, "Expected output pointer to be NULL, got %p\n", child);
+
+    /* Get the name of a suitable child container. */
+    hr = IDxDiagContainer_EnumChildContainerNames(pddc, 0, container, sizeof(container)/sizeof(WCHAR));
+    ok(hr == S_OK,
+       "Expected IDxDiagContainer::EnumChildContainerNames to return S_OK, got 0x%08x\n", hr);
+    if (FAILED(hr))
+    {
+        skip("IDxDiagContainer::EnumChildContainerNames failed\n");
+        goto cleanup;
+    }
+
+    child = (void*)0xdeadbeef;
+    hr = IDxDiagContainer_GetChildContainer(pddc, container, &child);
+    ok(hr == S_OK,
+       "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
+    ok(child != NULL && child != (void*)0xdeadbeef, "Expected a valid output pointer, got %p\n", child);
+
+    if (SUCCEEDED(hr))
+    {
+        IDxDiagContainer *ptr;
+
+        /* Show that IDxDiagContainer::GetChildContainer returns a different pointer
+         * for multiple calls for the same container name. */
+        hr = IDxDiagContainer_GetChildContainer(pddc, container, &ptr);
+        ok(hr == S_OK,
+           "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
+        if (SUCCEEDED(hr))
+            ok(ptr != child, "Expected the two pointers (%p vs. %p) to be unequal\n", child, ptr);
+
+        IDxDiagContainer_Release(ptr);
+        IDxDiagContainer_Release(child);
+    }
+
+cleanup:
+    IDxDiagContainer_Release(pddc);
+    IDxDiagProvider_Release(pddp);
+}
+
+static void test_dot_parsing(void)
+{
+    HRESULT hr;
+    WCHAR containerbufW[256] = {0}, childbufW[256] = {0};
+    DWORD count, index;
+    size_t i;
+    static const struct
+    {
+        const char *format;
+        const HRESULT expect;
+    } test_strings[] = {
+        { "%s.%s",   S_OK },
+        { "%s.%s.",  S_OK },
+        { ".%s.%s",  E_INVALIDARG },
+        { "%s.%s..", E_INVALIDARG },
+        { ".%s.%s.", E_INVALIDARG },
+        { "..%s.%s", E_INVALIDARG },
+    };
+
+    if (!create_root_IDxDiagContainer())
+    {
+        skip("Unable to create the root IDxDiagContainer\n");
+        return;
+    }
+
+    /* Find a container with a child container of its own. */
+    hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, &count);
+    ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfChildContainers to return S_OK, got 0x%08x\n", hr);
+    if (FAILED(hr))
+    {
+        skip("IDxDiagContainer::GetNumberOfChildContainers failed\n");
+        goto cleanup;
+    }
+
+    for (index = 0; index < count; index++)
+    {
+        IDxDiagContainer *child;
+
+        hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, containerbufW, sizeof(containerbufW)/sizeof(WCHAR));
+        ok(hr == S_OK, "Expected IDxDiagContainer_EnumChildContainerNames to return S_OK, got 0x%08x\n", hr);
+        if (FAILED(hr))
+        {
+            skip("IDxDiagContainer::EnumChildContainerNames failed\n");
+            goto cleanup;
+        }
+
+        hr = IDxDiagContainer_GetChildContainer(pddc, containerbufW, &child);
+        ok(hr == S_OK, "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
+
+        if (SUCCEEDED(hr))
+        {
+            hr = IDxDiagContainer_EnumChildContainerNames(child, 0, childbufW, sizeof(childbufW)/sizeof(WCHAR));
+            ok(hr == S_OK || hr == E_INVALIDARG,
+               "Expected IDxDiagContainer::EnumChildContainerNames to return S_OK or E_INVALIDARG, got 0x%08x\n", hr);
+            IDxDiagContainer_Release(child);
+
+            if (SUCCEEDED(hr))
+                break;
+        }
+    }
+
+    if (!*containerbufW || !*childbufW)
+    {
+        skip("Unable to find a suitable container\n");
+        goto cleanup;
+    }
+
+    trace("Testing IDxDiagContainer::GetChildContainer dot parsing with container %s and child container %s.\n",
+          wine_dbgstr_w(containerbufW), wine_dbgstr_w(childbufW));
+
+    for (i = 0; i < sizeof(test_strings)/sizeof(test_strings[0]); i++)
+    {
+        IDxDiagContainer *child;
+        char containerbufA[256];
+        char childbufA[256];
+        char dotbufferA[255 + 255 + 3 + 1];
+        WCHAR dotbufferW[255 + 255 + 3 + 1]; /* containerbuf + childbuf + dots + null terminator */
+
+        WideCharToMultiByte(CP_ACP, 0, containerbufW, -1, containerbufA, sizeof(containerbufA), NULL, NULL);
+        WideCharToMultiByte(CP_ACP, 0, childbufW, -1, childbufA, sizeof(childbufA), NULL, NULL);
+        sprintf(dotbufferA, test_strings[i].format, containerbufA, childbufA);
+        MultiByteToWideChar(CP_ACP, 0, dotbufferA, -1, dotbufferW, sizeof(dotbufferW)/sizeof(WCHAR));
+
+        trace("Trying container name %s\n", wine_dbgstr_w(dotbufferW));
+        hr = IDxDiagContainer_GetChildContainer(pddc, dotbufferW, &child);
+        ok(hr == test_strings[i].expect,
+           "Expected IDxDiagContainer::GetChildContainer to return 0x%08x for %s, got 0x%08x\n",
+           test_strings[i].expect, wine_dbgstr_w(dotbufferW), hr);
+        if (SUCCEEDED(hr))
+            IDxDiagContainer_Release(child);
+    }
+
+cleanup:
+    IDxDiagContainer_Release(pddc);
+    IDxDiagProvider_Release(pddp);
+}
+
+static void test_EnumPropNames(void)
+{
+    HRESULT hr;
+    WCHAR container[256], property[256];
+    IDxDiagContainer *child = NULL;
+    DWORD count, index, propcount;
+    static const WCHAR testW[] = {'t','e','s','t',0};
+
+    if (!create_root_IDxDiagContainer())
+    {
+        skip("Unable to create the root IDxDiagContainer\n");
+        return;
+    }
+
+    /* Find a container with a non-zero number of properties. */
+    hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, &count);
+    ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfChildContainers to return S_OK, got 0x%08x\n", hr);
+    if (FAILED(hr))
+    {
+        skip("IDxDiagContainer::GetNumberOfChildContainers failed\n");
+        goto cleanup;
+    }
+
+    for (index = 0; index < count; index++)
+    {
+        hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, container, sizeof(container)/sizeof(WCHAR));
+        ok(hr == S_OK, "Expected IDxDiagContainer_EnumChildContainerNames to return S_OK, got 0x%08x\n", hr);
+        if (FAILED(hr))
+        {
+            skip("IDxDiagContainer::EnumChildContainerNames failed\n");
+            goto cleanup;
+        }
+
+        hr = IDxDiagContainer_GetChildContainer(pddc, container, &child);
+        ok(hr == S_OK, "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
+
+        if (SUCCEEDED(hr))
+        {
+            hr = IDxDiagContainer_GetNumberOfProps(child, &propcount);
+            ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfProps to return S_OK, got 0x%08x\n", hr);
+
+            if (!propcount)
+            {
+                IDxDiagContainer_Release(child);
+                child = NULL;
+            }
+            else
+                break;
+        }
+    }
+
+    if (!child)
+    {
+        skip("Unable to find a container with non-zero property count\n");
+        goto cleanup;
+    }
+
+    hr = IDxDiagContainer_EnumPropNames(child, ~0, NULL, 0);
+    ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::EnumPropNames to return E_INVALIDARG, got 0x%08x\n", hr);
+
+    memcpy(property, testW, sizeof(testW));
+    hr = IDxDiagContainer_EnumPropNames(child, ~0, property, 0);
+    ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::EnumPropNames to return E_INVALIDARG, got 0x%08x\n", hr);
+    ok(!memcmp(property, testW, sizeof(testW)),
+       "Expected the property buffer to be unchanged, got %s\n", wine_dbgstr_w(property));
+
+    memcpy(property, testW, sizeof(testW));
+    hr = IDxDiagContainer_EnumPropNames(child, ~0, property, sizeof(property)/sizeof(WCHAR));
+    ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::EnumPropNames to return E_INVALIDARG, got 0x%08x\n", hr);
+    ok(!memcmp(property, testW, sizeof(testW)),
+       "Expected the property buffer to be unchanged, got %s\n", wine_dbgstr_w(property));
+
+    trace("Starting property enumeration of the %s container:\n", wine_dbgstr_w(container));
+
+    /* We should be able to enumerate as many properties as the value that
+     * IDxDiagContainer::GetNumberOfProps returns. */
+    for (index = 0; index <= propcount; index++)
+    {
+        /* A buffer size of 1 is unlikely to be valid, as only a null terminator
+         * could be stored, and it is unlikely that a property name could be empty. */
+        DWORD buffersize = 1;
+
+        memcpy(property, testW, sizeof(testW));
+        hr = IDxDiagContainer_EnumPropNames(child, index, property, buffersize);
+        if (hr == E_INVALIDARG)
+        {
+            /* We should get here when index is one more than the maximum index value. */
+            ok(propcount == index,
+               "Expected IDxDiagContainer::EnumPropNames to return E_INVALIDARG "
+               "on the last index %d, got 0x%08x\n", index, hr);
+            ok(!memcmp(property, testW, sizeof(testW)),
+               "Expected the property buffer to be unchanged, got %s\n", wine_dbgstr_w(property));
+            break;
+        }
+        else if (hr == DXDIAG_E_INSUFFICIENT_BUFFER)
+        {
+            WCHAR temp[256];
+
+            ok(property[0] == '\0',
+               "Expected the property buffer string to be empty, got %s\n", wine_dbgstr_w(property));
+            hr = IDxDiagContainer_EnumPropNames(child, index, temp, sizeof(temp)/sizeof(WCHAR));
+            ok(hr == S_OK,
+               "Expected IDxDiagContainer::EnumPropNames to return S_OK, got 0x%08x\n", hr);
+
+            /* Show that the DirectX SDK's stipulation that the buffer be at
+             * least 256 characters long is a mere suggestion, and smaller sizes
+             * can be acceptable also. IDxDiagContainer::EnumPropNames doesn't
+             * provide a way of getting the exact size required, so the buffersize
+             * value will be iterated to at most 256 characters. */
+            for (buffersize = 2; buffersize <= 256; buffersize++)
+            {
+                memcpy(property, testW, sizeof(testW));
+                hr = IDxDiagContainer_EnumPropNames(child, index, property, buffersize);
+                if (hr != DXDIAG_E_INSUFFICIENT_BUFFER)
+                    break;
+
+                ok(!memcmp(temp, property, sizeof(WCHAR)*(buffersize - 1)),
+                   "Expected truncated property name string, got %s\n", wine_dbgstr_w(property));
+            }
+
+            ok(hr == S_OK,
+               "Expected IDxDiagContainer::EnumPropNames to return S_OK, "
+               "got hr = 0x%08x, buffersize = %d\n", hr, buffersize);
+            if (hr == S_OK)
+                trace("child[%d] = %s, length = %d\n", index, wine_dbgstr_w(property), buffersize);
+        }
+        else
+        {
+            ok(0, "IDxDiagContainer::EnumPropNames unexpectedly returned 0x%08x\n", hr);
+            break;
+        }
+    }
+
+    IDxDiagContainer_Release(child);
+
+cleanup:
+    IDxDiagContainer_Release(pddc);
+    IDxDiagProvider_Release(pddp);
+}
+
+static void test_GetProp(void)
+{
+    HRESULT hr;
+    WCHAR container[256], property[256];
+    IDxDiagContainer *child = NULL;
+    DWORD count, index;
+    VARIANT var;
+    SAFEARRAY *sa;
+    SAFEARRAYBOUND bound;
+    ULONG ref;
+    static const WCHAR emptyW[] = {0};
+    static const WCHAR testW[] = {'t','e','s','t',0};
+
+    if (!create_root_IDxDiagContainer())
+    {
+        skip("Unable to create the root IDxDiagContainer\n");
+        return;
+    }
+
+    /* Find a container with a property. */
+    hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, &count);
+    ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfChildContainers to return S_OK, got 0x%08x\n", hr);
+    if (FAILED(hr))
+    {
+        skip("IDxDiagContainer::GetNumberOfChildContainers failed\n");
+        goto cleanup;
+    }
+
+    for (index = 0; index < count; index++)
+    {
+        hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, container, sizeof(container)/sizeof(WCHAR));
+        ok(hr == S_OK, "Expected IDxDiagContainer_EnumChildContainerNames to return S_OK, got 0x%08x\n", hr);
+        if (FAILED(hr))
+        {
+            skip("IDxDiagContainer::EnumChildContainerNames failed\n");
+            goto cleanup;
+        }
+
+        hr = IDxDiagContainer_GetChildContainer(pddc, container, &child);
+        ok(hr == S_OK, "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
+
+        if (SUCCEEDED(hr))
+        {
+            hr = IDxDiagContainer_EnumPropNames(child, 0, property, sizeof(property)/sizeof(WCHAR));
+            ok(hr == S_OK || hr == E_INVALIDARG,
+               "Expected IDxDiagContainer::EnumPropNames to return S_OK or E_INVALIDARG, got 0x%08x\n", hr);
+
+            if (SUCCEEDED(hr))
+                break;
+            else
+            {
+                IDxDiagContainer_Release(child);
+                child = NULL;
+            }
+        }
+    }
+
+    if (!child)
+    {
+        skip("Unable to find a suitable container\n");
+        goto cleanup;
+    }
+
+    hr = IDxDiagContainer_GetProp(child, NULL, NULL);
+    ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::GetProp to return E_INVALIDARG, got 0x%08x\n", hr);
+
+    V_VT(&var) = 0xdead;
+    hr = IDxDiagContainer_GetProp(child, NULL, &var);
+    ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::GetProp to return E_INVALIDARG, got 0x%08x\n", hr);
+    ok(V_VT(&var) == 0xdead, "Expected the variant to be untouched, got %u\n", V_VT(&var));
+
+    hr = IDxDiagContainer_GetProp(child, emptyW, NULL);
+    ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::GetProp to return E_INVALIDARG, got 0x%08x\n", hr);
+
+    V_VT(&var) = 0xdead;
+    hr = IDxDiagContainer_GetProp(child, emptyW, &var);
+    ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::GetProp to return E_INVALIDARG, got 0x%08x\n", hr);
+    ok(V_VT(&var) == 0xdead, "Expected the variant to be untouched, got %u\n", V_VT(&var));
+
+    hr = IDxDiagContainer_GetProp(child, testW, NULL);
+    ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::GetProp to return E_INVALIDARG, got 0x%08x\n", hr);
+
+    V_VT(&var) = 0xdead;
+    hr = IDxDiagContainer_GetProp(child, testW, &var);
+    ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::GetProp to return E_INVALIDARG, got 0x%08x\n", hr);
+    ok(V_VT(&var) == 0xdead, "Expected the variant to be untouched, got %u\n", V_VT(&var));
+
+    VariantInit(&var);
+    hr = IDxDiagContainer_GetProp(child, property, &var);
+    ok(hr == S_OK, "Expected IDxDiagContainer::GetProp to return S_OK, got 0x%08x\n", hr);
+    ok(V_VT(&var) != VT_EMPTY, "Expected the variant to be modified, got %d\n", V_VT(&var));
+
+    /* Since the documentation for IDxDiagContainer::GetProp claims that the
+     * function reports return values from VariantCopy, try to exercise failure
+     * paths in handling the destination variant. */
+
+    /* Try an invalid variant type. */
+    V_VT(&var) = 0xdead;
+    hr = IDxDiagContainer_GetProp(child, property, &var);
+    ok(hr == S_OK, "Expected IDxDiagContainer::GetProp to return S_OK, got 0x%08x\n", hr);
+    ok(V_VT(&var) != 0xdead, "Expected the variant to be modified, got %d\n", V_VT(&var));
+
+    /* Try passing a variant with a locked SAFEARRAY. */
+    bound.cElements = 1;
+    bound.lLbound = 0;
+    sa = SafeArrayCreate(VT_UI1, 1, &bound);
+    ok(sa != NULL, "Expected SafeArrayCreate to return a valid pointer\n");
+
+    V_VT(&var) = (VT_ARRAY | VT_UI1);
+    V_ARRAY(&var) = sa;
+
+    hr = SafeArrayLock(sa);
+    ok(hr == S_OK, "Expected SafeArrayLock to return S_OK, got 0x%08x\n", hr);
+
+    hr = IDxDiagContainer_GetProp(child, property, &var);
+    ok(hr == S_OK, "Expected IDxDiagContainer::GetProp to return S_OK, got 0x%08x\n", hr);
+    ok(V_VT(&var) != (VT_ARRAY | VT_UI1), "Expected the variant to be modified\n");
+
+    hr = SafeArrayUnlock(sa);
+    ok(hr == S_OK, "Expected SafeArrayUnlock to return S_OK, got 0x%08x\n", hr);
+    hr = SafeArrayDestroy(sa);
+    ok(hr == S_OK, "Expected SafeArrayDestroy to return S_OK, got 0x%08x\n", hr);
+
+    /* Determine whether GetProp calls VariantClear on the passed variant. */
+    V_VT(&var) = VT_UNKNOWN;
+    V_UNKNOWN(&var) = (IUnknown *)child;
+    IDxDiagContainer_AddRef(child);
+
+    hr = IDxDiagContainer_GetProp(child, property, &var);
+    ok(hr == S_OK, "Expected IDxDiagContainer::GetProp to return S_OK, got 0x%08x\n", hr);
+    ok(V_VT(&var) != VT_UNKNOWN, "Expected the variant to be modified\n");
+
+    IDxDiagContainer_AddRef(child);
+    ref = IDxDiagContainer_Release(child);
+    ok(ref == 2, "Expected reference count to be 2, got %u\n", ref);
+
+    IDxDiagContainer_Release(child);
+cleanup:
+    IDxDiagContainer_Release(pddc);
+    IDxDiagProvider_Release(pddp);
+}
+
+static void test_root_children(void)
+{
+    static const WCHAR DxDiag_DirectSound[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','S','o','u','n','d',0};
+    static const WCHAR DxDiag_DirectMusic[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','M','u','s','i','c',0};
+    static const WCHAR DxDiag_DirectInput[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','I','n','p','u','t',0};
+    static const WCHAR DxDiag_DirectPlay[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','P','l','a','y',0};
+    static const WCHAR DxDiag_SystemDevices[] = {'D','x','D','i','a','g','_','S','y','s','t','e','m','D','e','v','i','c','e','s',0};
+    static const WCHAR DxDiag_DirectXFiles[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','X','F','i','l','e','s',0};
+    static const WCHAR DxDiag_DirectShowFilters[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','S','h','o','w','F','i','l','t','e','r','s',0};
+    static const WCHAR DxDiag_LogicalDisks[] = {'D','x','D','i','a','g','_','L','o','g','i','c','a','l','D','i','s','k','s',0};
+
+    HRESULT hr;
+    DWORD count, index;
+
+    static const WCHAR *root_children[] = {
+        DxDiag_SystemInfo, DxDiag_DisplayDevices, DxDiag_DirectSound,
+        DxDiag_DirectMusic, DxDiag_DirectInput, DxDiag_DirectPlay,
+        DxDiag_SystemDevices, DxDiag_DirectXFiles, DxDiag_DirectShowFilters,
+        DxDiag_LogicalDisks
+    };
+
+    if (!create_root_IDxDiagContainer())
+    {
+        skip("Unable to create the root IDxDiagContainer\n");
+        return;
+    }
+
+    /* Verify the identity and ordering of the root container's children. */
+    hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, &count);
+    ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfChildContainers to return S_OK, got 0x%08x\n", hr);
+    if (FAILED(hr))
+    {
+        skip("IDxDiagContainer::GetNumberOfChildContainers failed\n");
+        goto cleanup;
+    }
+
+    ok(count == sizeof(root_children)/sizeof(root_children[0]),
+       "Got unexpected count %u for the number of child containers\n", count);
+
+    if (count != sizeof(root_children)/sizeof(root_children[0]))
+    {
+        skip("Received unexpected number of child containers\n");
+        goto cleanup;
+    }
+
+    for (index = 0; index <= count; index++)
+    {
+        WCHAR container[256];
+
+        hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, container, sizeof(container)/sizeof(WCHAR));
+        if (hr == E_INVALIDARG)
+        {
+            ok(index == count,
+               "Expected IDxDiagContainer::EnumChildContainerNames to return "
+               "E_INVALIDARG on the last index %u\n", count);
+            break;
+        }
+        else if (hr == S_OK)
+        {
+            ok(!lstrcmpW(container, root_children[index]),
+               "Expected container %s for index %u, got %s\n",
+               wine_dbgstr_w(root_children[index]), index, wine_dbgstr_w(container));
+        }
+        else
+        {
+            ok(0, "IDxDiagContainer::EnumChildContainerNames unexpectedly returned 0x%08x\n", hr);
+            break;
+        }
+    }
+
+cleanup:
+    IDxDiagContainer_Release(pddc);
+    IDxDiagProvider_Release(pddp);
+}
+
+static void test_container_properties(IDxDiagContainer *container, const struct property_test *property_tests, size_t len)
+{
+    HRESULT hr;
+
+    /* Check that the container has no properties if there are no properties to examine. */
+    if (len == 0)
+    {
+        DWORD prop_count;
+
+        hr = IDxDiagContainer_GetNumberOfProps(container, &prop_count);
+        ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfProps to return S_OK, got 0x%08x\n", hr);
+        if (hr == S_OK)
+            ok(prop_count == 0, "Expected container property count to be zero, got %u\n", prop_count);
+    }
+    else
+    {
+        VARIANT var;
+        int i;
+
+        VariantInit(&var);
+
+        /* Examine the variant types of obtained property values. */
+        for (i = 0; i < len; i++)
+        {
+            hr = IDxDiagContainer_GetProp(container, property_tests[i].prop, &var);
+            ok(hr == S_OK, "[%d] Expected IDxDiagContainer::GetProp to return S_OK for %s, got 0x%08x\n",
+               i, wine_dbgstr_w(property_tests[i].prop), hr);
+
+            if (hr == S_OK)
+            {
+                ok(V_VT(&var) == property_tests[i].vt,
+                   "[%d] Expected variant type %d, got %d\n", i, property_tests[i].vt, V_VT(&var));
+                trace("%s = %s\n", wine_dbgstr_w(property_tests[i].prop), debugstr_variant(&var));
+                VariantClear(&var);
+            }
+        }
+    }
+}
+
+static void test_DxDiag_SystemInfo(void)
+{
+    static const WCHAR dwOSMajorVersion[] = {'d','w','O','S','M','a','j','o','r','V','e','r','s','i','o','n',0};
+    static const WCHAR dwOSMinorVersion[] = {'d','w','O','S','M','i','n','o','r','V','e','r','s','i','o','n',0};
+    static const WCHAR dwOSBuildNumber[] = {'d','w','O','S','B','u','i','l','d','N','u','m','b','e','r',0};
+    static const WCHAR dwOSPlatformID[] = {'d','w','O','S','P','l','a','t','f','o','r','m','I','D',0};
+    static const WCHAR dwDirectXVersionMajor[] = {'d','w','D','i','r','e','c','t','X','V','e','r','s','i','o','n','M','a','j','o','r',0};
+    static const WCHAR dwDirectXVersionMinor[] = {'d','w','D','i','r','e','c','t','X','V','e','r','s','i','o','n','M','i','n','o','r',0};
+    static const WCHAR szDirectXVersionLetter[] = {'s','z','D','i','r','e','c','t','X','V','e','r','s','i','o','n','L','e','t','t','e','r',0};
+    static const WCHAR bDebug[] = {'b','D','e','b','u','g',0};
+    static const WCHAR bNECPC98[] = {'b','N','E','C','P','C','9','8',0};
+    static const WCHAR ullPhysicalMemory[] = {'u','l','l','P','h','y','s','i','c','a','l','M','e','m','o','r','y',0};
+    static const WCHAR ullUsedPageFile[] = {'u','l','l','U','s','e','d','P','a','g','e','F','i','l','e',0};
+    static const WCHAR ullAvailPageFile[] = {'u','l','l','A','v','a','i','l','P','a','g','e','F','i','l','e',0};
+    static const WCHAR szWindowsDir[] = {'s','z','W','i','n','d','o','w','s','D','i','r',0};
+    static const WCHAR szCSDVersion[] = {'s','z','C','S','D','V','e','r','s','i','o','n',0};
+    static const WCHAR szDirectXVersionEnglish[] = {'s','z','D','i','r','e','c','t','X','V','e','r','s','i','o','n','E','n','g','l','i','s','h',0};
+    static const WCHAR szDirectXVersionLongEnglish[] = {'s','z','D','i','r','e','c','t','X','V','e','r','s','i','o','n','L','o','n','g','E','n','g','l','i','s','h',0};
+    static const WCHAR bNetMeetingRunning[] = {'b','N','e','t','M','e','e','t','i','n','g','R','u','n','n','i','n','g',0};
+    static const WCHAR szMachineNameLocalized[] = {'s','z','M','a','c','h','i','n','e','N','a','m','e','L','o','c','a','l','i','z','e','d',0};
+    static const WCHAR szMachineNameEnglish[] = {'s','z','M','a','c','h','i','n','e','N','a','m','e','E','n','g','l','i','s','h',0};
+    static const WCHAR szLanguagesLocalized[] = {'s','z','L','a','n','g','u','a','g','e','s','L','o','c','a','l','i','z','e','d',0};
+    static const WCHAR szLanguagesEnglish[] = {'s','z','L','a','n','g','u','a','g','e','s','E','n','g','l','i','s','h',0};
+    static const WCHAR szTimeLocalized[] = {'s','z','T','i','m','e','L','o','c','a','l','i','z','e','d',0};
+    static const WCHAR szTimeEnglish[] = {'s','z','T','i','m','e','E','n','g','l','i','s','h',0};
+    static const WCHAR szPhysicalMemoryEnglish[] = {'s','z','P','h','y','s','i','c','a','l','M','e','m','o','r','y','E','n','g','l','i','s','h',0};
+    static const WCHAR szPageFileLocalized[] = {'s','z','P','a','g','e','F','i','l','e','L','o','c','a','l','i','z','e','d',0};
+    static const WCHAR szPageFileEnglish[] = {'s','z','P','a','g','e','F','i','l','e','E','n','g','l','i','s','h',0};
+    static const WCHAR szOSLocalized[] = {'s','z','O','S','L','o','c','a','l','i','z','e','d',0};
+    static const WCHAR szOSExLocalized[] = {'s','z','O','S','E','x','L','o','c','a','l','i','z','e','d',0};
+    static const WCHAR szOSExLongLocalized[] = {'s','z','O','S','E','x','L','o','n','g','L','o','c','a','l','i','z','e','d',0};
+    static const WCHAR szOSEnglish[] = {'s','z','O','S','E','n','g','l','i','s','h',0};
+    static const WCHAR szOSExEnglish[] = {'s','z','O','S','E','x','E','n','g','l','i','s','h',0};
+    static const WCHAR szOSExLongEnglish[] = {'s','z','O','S','E','x','L','o','n','g','E','n','g','l','i','s','h',0};
+    static const WCHAR szProcessorEnglish[] = {'s','z','P','r','o','c','e','s','s','o','r','E','n','g','l','i','s','h',0};
+
+    static const struct property_test property_tests[] =
+    {
+        {dwOSMajorVersion, VT_UI4},
+        {dwOSMinorVersion, VT_UI4},
+        {dwOSBuildNumber, VT_UI4},
+        {dwOSPlatformID, VT_UI4},
+        {dwDirectXVersionMajor, VT_UI4},
+        {dwDirectXVersionMinor, VT_UI4},
+        {szDirectXVersionLetter, VT_BSTR},
+        {bDebug, VT_BOOL},
+        {bNECPC98, VT_BOOL},
+        {ullPhysicalMemory, VT_BSTR},
+        {ullUsedPageFile, VT_BSTR},
+        {ullAvailPageFile, VT_BSTR},
+        {szWindowsDir, VT_BSTR},
+        {szCSDVersion, VT_BSTR},
+        {szDirectXVersionEnglish, VT_BSTR},
+        {szDirectXVersionLongEnglish, VT_BSTR},
+        {bNetMeetingRunning, VT_BOOL},
+        {szMachineNameLocalized, VT_BSTR},
+        {szMachineNameEnglish, VT_BSTR},
+        {szLanguagesLocalized, VT_BSTR},
+        {szLanguagesEnglish, VT_BSTR},
+        {szTimeLocalized, VT_BSTR},
+        {szTimeEnglish, VT_BSTR},
+        {szPhysicalMemoryEnglish, VT_BSTR},
+        {szPageFileLocalized, VT_BSTR},
+        {szPageFileEnglish, VT_BSTR},
+        {szOSLocalized, VT_BSTR},
+        {szOSExLocalized, VT_BSTR},
+        {szOSExLongLocalized, VT_BSTR},
+        {szOSEnglish, VT_BSTR},
+        {szOSExEnglish, VT_BSTR},
+        {szOSExLongEnglish, VT_BSTR},
+        {szProcessorEnglish, VT_BSTR},
+    };
+
+    IDxDiagContainer *container;
+    HRESULT hr;
+
+    if (!create_root_IDxDiagContainer())
+    {
+        skip("Unable to create the root IDxDiagContainer\n");
+        return;
+    }
+
+    hr = IDxDiagContainer_GetChildContainer(pddc, DxDiag_SystemInfo, &container);
+    ok(hr == S_OK, "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
+
+    if (hr == S_OK)
+    {
+        trace("Testing container DxDiag_SystemInfo\n");
+        test_container_properties(container, property_tests, sizeof(property_tests)/sizeof(property_tests[0]));
+        IDxDiagContainer_Release(container);
+    }
+
+    IDxDiagContainer_Release(pddc);
+    IDxDiagProvider_Release(pddp);
+}
+
+static void test_DxDiag_DisplayDevices(void)
+{
+    static const WCHAR szDescription[] = {'s','z','D','e','s','c','r','i','p','t','i','o','n',0};
+    static const WCHAR szDeviceName[] = {'s','z','D','e','v','i','c','e','N','a','m','e',0};
+    static const WCHAR szKeyDeviceID[] = {'s','z','K','e','y','D','e','v','i','c','e','I','D',0};
+    static const WCHAR szKeyDeviceKey[] = {'s','z','K','e','y','D','e','v','i','c','e','K','e','y',0};
+    static const WCHAR szVendorId[] = {'s','z','V','e','n','d','o','r','I','d',0};
+    static const WCHAR szDeviceId[] = {'s','z','D','e','v','i','c','e','I','d',0};
+    static const WCHAR szDeviceIdentifier[] = {'s','z','D','e','v','i','c','e','I','d','e','n','t','i','f','i','e','r',0};
+    static const WCHAR dwWidth[] = {'d','w','W','i','d','t','h',0};
+    static const WCHAR dwHeight[] = {'d','w','H','e','i','g','h','t',0};
+    static const WCHAR dwBpp[] = {'d','w','B','p','p',0};
+    static const WCHAR szDisplayMemoryLocalized[] = {'s','z','D','i','s','p','l','a','y','M','e','m','o','r','y','L','o','c','a','l','i','z','e','d',0};
+    static const WCHAR szDisplayMemoryEnglish[] = {'s','z','D','i','s','p','l','a','y','M','e','m','o','r','y','E','n','g','l','i','s','h',0};
+    static const WCHAR szDriverName[] = {'s','z','D','r','i','v','e','r','N','a','m','e',0};
+    static const WCHAR szDriverVersion[] = {'s','z','D','r','i','v','e','r','V','e','r','s','i','o','n',0};
+    static const WCHAR szSubSysId[] = {'s','z','S','u','b','S','y','s','I','d',0};
+    static const WCHAR szRevisionId[] = {'s','z','R','e','v','i','s','i','o','n','I','d',0};
+    static const WCHAR dwRefreshRate[] = {'d','w','R','e','f','r','e','s','h','R','a','t','e',0};
+    static const WCHAR szManufacturer[] = {'s','z','M','a','n','u','f','a','c','t','u','r','e','r',0};
+
+    static const struct property_test property_tests[] =
+    {
+        {szDescription, VT_BSTR},
+        {szDeviceName, VT_BSTR},
+        {szKeyDeviceID, VT_BSTR},
+        {szKeyDeviceKey, VT_BSTR},
+        {szVendorId, VT_BSTR},
+        {szDeviceId, VT_BSTR},
+        {szDeviceIdentifier, VT_BSTR},
+        {dwWidth, VT_UI4},
+        {dwHeight, VT_UI4},
+        {dwBpp, VT_UI4},
+        {szDisplayMemoryLocalized, VT_BSTR},
+        {szDisplayMemoryEnglish, VT_BSTR},
+        {szDriverName, VT_BSTR},
+        {szDriverVersion, VT_BSTR},
+        {szSubSysId, VT_BSTR},
+        {szRevisionId, VT_BSTR},
+        {dwRefreshRate, VT_UI4},
+        {szManufacturer, VT_BSTR},
+    };
+
+    IDxDiagContainer *display_cont = NULL;
+    DWORD count, i;
+    HRESULT hr;
+
+    if (!create_root_IDxDiagContainer())
+    {
+        skip("Unable to create the root IDxDiagContainer\n");
+        return;
+    }
+
+    hr = IDxDiagContainer_GetChildContainer(pddc, DxDiag_DisplayDevices, &display_cont);
+    ok(hr == S_OK, "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
+
+    if (hr != S_OK)
+        goto cleanup;
+
+    hr = IDxDiagContainer_GetNumberOfProps(display_cont, &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 count to be 0, got %u\n", count);
+
+    hr = IDxDiagContainer_GetNumberOfChildContainers(display_cont, &count);
+    ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfChildContainers to return S_OK, got 0x%08x\n", hr);
+
+    if (hr != S_OK)
+        goto cleanup;
+
+    for (i = 0; i < count; i++)
+    {
+        WCHAR child_container[256];
+        IDxDiagContainer *child;
+
+        hr = IDxDiagContainer_EnumChildContainerNames(display_cont, i, child_container, sizeof(child_container)/sizeof(WCHAR));
+        ok(hr == S_OK, "Expected IDxDiagContainer::EnumChildContainerNames to return S_OK, got 0x%08x\n", hr);
+
+        hr = IDxDiagContainer_GetChildContainer(display_cont, child_container, &child);
+        ok(hr == S_OK, "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
+
+        if (hr == S_OK)
+        {
+            trace("Testing container %s\n", wine_dbgstr_w(child_container));
+            test_container_properties(child, property_tests, sizeof(property_tests)/sizeof(property_tests[0]));
+        }
+    }
+
+cleanup:
+    if (display_cont) IDxDiagContainer_Release(display_cont);
+    IDxDiagContainer_Release(pddc);
+    IDxDiagProvider_Release(pddp);
+}
+
+START_TEST(container)
+{
+    CoInitialize(NULL);
+    test_GetNumberOfChildContainers();
+    test_GetNumberOfProps();
+    test_EnumChildContainerNames();
+    test_GetChildContainer();
+    test_dot_parsing();
+    test_EnumPropNames();
+    test_GetProp();
+
+    test_root_children();
+    test_DxDiag_SystemInfo();
+    test_DxDiag_DisplayDevices();
+    CoUninitialize();
+}
diff --git a/rostests/winetests/dxdiagn/provider.c b/rostests/winetests/dxdiagn/provider.c
new file mode 100644 (file)
index 0000000..bd30c31
--- /dev/null
@@ -0,0 +1,160 @@
+/*
+ * Unit tests for IDxDiagProvider
+ *
+ * Copyright (C) 2009 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 <initguid.h>
+#include <wine/dxdiag.h>
+#include <wine/test.h>
+
+static void test_Initialize(void)
+{
+    HRESULT hr;
+    IDxDiagProvider *pddp;
+    DXDIAG_INIT_PARAMS params;
+
+    hr = CoCreateInstance(&CLSID_DxDiagProvider, NULL, CLSCTX_INPROC_SERVER,
+                          &IID_IDxDiagProvider, (LPVOID*)&pddp);
+    ok(hr == S_OK ||
+       broken(hr == REGDB_E_CLASSNOTREG), /* Clean W2K3 */
+       "Creating a IDxDiagProvider instance failed with %x\n", hr);
+    if (FAILED(hr))
+    {
+        skip("Failed to create a IDxDiagProvider instance\n");
+        return;
+    }
+
+    /* Test passing a NULL DXDIAG_INIT_PARAMS pointer. */
+    hr = IDxDiagProvider_Initialize(pddp, NULL);
+    ok(hr == E_POINTER,
+       "Expected IDxDiagProvider::Initialize to return E_POINTER, got %x\n", hr);
+
+    /* Test passing invalid dwSize values. */
+    params.dwSize = 0;
+    hr = IDxDiagProvider_Initialize(pddp, &params);
+    ok(hr == E_INVALIDARG,
+       "Expected IDxDiagProvider::Initialize to return E_INVALIDARG, got %x\n", hr);
+
+    params.dwSize = sizeof(params) + 1;
+    hr = IDxDiagProvider_Initialize(pddp, &params);
+    ok(hr == E_INVALIDARG,
+       "Expected IDxDiagProvider::Initialize to return E_INVALIDARG, got %x\n", hr);
+
+    /* Test passing an unexpected dwDxDiagHeaderVersion value. */
+    params.dwSize = sizeof(params);
+    params.dwDxDiagHeaderVersion = 0;
+    params.bAllowWHQLChecks = FALSE;
+    params.pReserved = NULL;
+    hr = IDxDiagProvider_Initialize(pddp, &params);
+    ok(hr == E_INVALIDARG,
+       "Expected IDxDiagProvider::Initialize to return E_INVALIDARG, got %x\n", hr);
+
+    /* Setting pReserved to a non-NULL value causes a crash on Windows. */
+    if (0)
+    {
+        params.dwDxDiagHeaderVersion = DXDIAG_DX9_SDK_VERSION;
+        params.bAllowWHQLChecks = FALSE;
+        params.pReserved = (VOID*)0xdeadbeef;
+        hr = IDxDiagProvider_Initialize(pddp, &params);
+        trace("IDxDiagProvider::Initialize returned %x\n", hr);
+    }
+
+    /* Test passing an appropriately initialized DXDIAG_INIT_PARAMS. */
+    params.dwDxDiagHeaderVersion = DXDIAG_DX9_SDK_VERSION;
+    params.bAllowWHQLChecks = FALSE;
+    params.pReserved = NULL;
+    hr = IDxDiagProvider_Initialize(pddp, &params);
+    ok(hr == S_OK, "Expected IDxDiagProvider::Initialize to return S_OK, got %x\n", hr);
+
+    /* Test initializing multiple times. */
+    hr = IDxDiagProvider_Initialize(pddp, &params);
+    ok(hr == S_OK, "Expected IDxDiagProvider::Initialize to return S_OK, got %x\n", hr);
+
+    IDxDiagProvider_Release(pddp);
+}
+
+static void test_GetRootContainer(void)
+{
+    HRESULT hr;
+    IDxDiagProvider *pddp;
+    IDxDiagContainer *pddc, *pddc2;
+    DXDIAG_INIT_PARAMS params;
+
+    hr = CoCreateInstance(&CLSID_DxDiagProvider, NULL, CLSCTX_INPROC_SERVER,
+                          &IID_IDxDiagProvider, (LPVOID*)&pddp);
+    ok(hr == S_OK ||
+       broken(hr == REGDB_E_CLASSNOTREG), /* Clean W2K3 */
+       "Creating a IDxDiagProvider instance failed with %x\n", hr);
+    if (FAILED(hr))
+    {
+        skip("Failed to create a IDxDiagProvider instance\n");
+        return;
+    }
+
+    /* Test calling IDxDiagProvider::GetRootContainer before initialization. */
+    hr = IDxDiagProvider_GetRootContainer(pddp, NULL);
+    ok(hr == CO_E_NOTINITIALIZED,
+       "Expected IDxDiagProvider::GetRootContainer to return CO_E_NOTINITIALIZED, got %x\n", hr);
+
+    hr = IDxDiagProvider_GetRootContainer(pddp, &pddc);
+    ok(hr == CO_E_NOTINITIALIZED,
+       "Expected IDxDiagProvider::GetRootContainer to return CO_E_NOTINITIALIZED, got %x\n", hr);
+
+    params.dwSize = sizeof(params);
+    params.dwDxDiagHeaderVersion = DXDIAG_DX9_SDK_VERSION;
+    params.bAllowWHQLChecks = FALSE;
+    params.pReserved = NULL;
+    hr = IDxDiagProvider_Initialize(pddp, &params);
+    ok(hr == S_OK, "Expected IDxDiagProvider::Initialize to return S_OK, got %x\n", hr);
+    if (FAILED(hr))
+    {
+        skip("IDxDiagProvider::Initialize failed\n");
+        IDxDiagProvider_Release(pddp);
+        return;
+    }
+
+    /* Passing NULL causes a crash on Windows. */
+    if (0)
+    {
+        hr = IDxDiagProvider_GetRootContainer(pddp, NULL);
+        trace("IDxDiagProvider::GetRootContainer returned %x\n", hr);
+    }
+
+    hr = IDxDiagProvider_GetRootContainer(pddp, &pddc);
+    ok(hr == S_OK, "Expected IDxDiagProvider::GetRootContainer to return S_OK, got %x\n", hr);
+
+    /* IDxDiagProvider::GetRootContainer creates new instances of the root
+     * container rather than maintain a static root container. */
+    hr = IDxDiagProvider_GetRootContainer(pddp, &pddc2);
+    ok(hr == S_OK, "Expected IDxDiagProvider::GetRootContainer to return S_OK, got %x\n", hr);
+    ok(pddc != pddc2, "Expected the two pointers (%p vs. %p) to be unequal\n", pddc, pddc2);
+
+    IDxDiagContainer_Release(pddc2);
+    IDxDiagContainer_Release(pddc);
+    IDxDiagProvider_Release(pddp);
+}
+
+START_TEST(provider)
+{
+    CoInitialize(NULL);
+    test_Initialize();
+    test_GetRootContainer();
+    CoUninitialize();
+}
diff --git a/rostests/winetests/dxdiagn/testlist.c b/rostests/winetests/dxdiagn/testlist.c
new file mode 100644 (file)
index 0000000..68af3e5
--- /dev/null
@@ -0,0 +1,14 @@
+/* Automatically generated file; DO NOT EDIT!! */
+
+#define STANDALONE
+#include <wine/test.h>
+
+extern void func_container(void);
+extern void func_provider(void);
+
+const struct test winetest_testlist[] =
+{
+    { "container", func_container },
+    { "provider", func_provider },
+    { 0, 0 }
+};