dlls/dxdiagn/tests/container.c

   1 /*
   2  * Unit tests for IDxDiagContainer
   3  *
   4  * Copyright 2010 Andrew Nguyen
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define COBJMACROS
  22
  23 #include <stdio.h>
  24 #include "dxdiag.h"
  25 #include "oleauto.h"
  26 #include "wine/test.h"
  27
  28 static IDxDiagProvider *pddp;
  29 static IDxDiagContainer *pddc;
  30
  31 static const WCHAR DxDiag_SystemInfo[] = {'D','x','D','i','a','g','_','S','y','s','t','e','m','I','n','f','o',0};
  32
  33 /* Based on debugstr_variant in dlls/jscript/jsutils.c. */
  34 static const char *debugstr_variant(const VARIANT *var)
  35 {
  36     static char buf[400];
  37
  38     if (!var)
  39         return "(null)";
  40
  41     switch (V_VT(var))
  42     {
  43     case VT_EMPTY:
  44         return "{VT_EMPTY}";
  45     case VT_BSTR:
  46         sprintf(buf, "{VT_BSTR: %s}", wine_dbgstr_w(V_BSTR(var)));
  47         break;
  48     case VT_BOOL:
  49         sprintf(buf, "{VT_BOOL: %x}", V_BOOL(var));
  50         break;
  51     case VT_UI4:
  52         sprintf(buf, "{VT_UI4: %u}", V_UI4(var));
  53         break;
  54     default:
  55         sprintf(buf, "{vt %d}", V_VT(var));
  56         break;
  57     }
  58
  59     return buf;
  60 }
  61
  62 static BOOL create_root_IDxDiagContainer(void)
  63 {
  64     HRESULT hr;
  65     DXDIAG_INIT_PARAMS params;
  66
  67     hr = CoCreateInstance(&CLSID_DxDiagProvider, NULL, CLSCTX_INPROC_SERVER,
  68                           &IID_IDxDiagProvider, (LPVOID*)&pddp);
  69     if (SUCCEEDED(hr))
  70     {
  71         params.dwSize = sizeof(params);
  72         params.dwDxDiagHeaderVersion = DXDIAG_DX9_SDK_VERSION;
  73         params.bAllowWHQLChecks = FALSE;
  74         params.pReserved = NULL;
  75         hr = IDxDiagProvider_Initialize(pddp, &params);
  76         if (SUCCEEDED(hr))
  77         {
  78             hr = IDxDiagProvider_GetRootContainer(pddp, &pddc);
  79             if (SUCCEEDED(hr))
  80                 return TRUE;
  81         }
  82         IDxDiagProvider_Release(pddp);
  83     }
  84     return FALSE;
  85 }
  86
  87 static void test_GetNumberOfChildContainers(void)
  88 {
  89     HRESULT hr;
  90     DWORD count;
  91
  92     if (!create_root_IDxDiagContainer())
  93     {
  94         skip("Unable to create the root IDxDiagContainer\n");
  95         return;
  96     }
  97
  98     hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, NULL);
  99     ok(hr == E_INVALIDARG,
 100        "Expected IDxDiagContainer::GetNumberOfChildContainers to return E_INVALIDARG, got 0x%08x\n", hr);
 101
 102     hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, &count);
 103     ok(hr == S_OK,
 104        "Expected IDxDiagContainer::GetNumberOfChildContainers to return S_OK, got 0x%08x\n", hr);
 105     if (hr == S_OK)
 106         ok(count != 0, "Expected the number of child containers for the root container to be non-zero\n");
 107
 108     IDxDiagContainer_Release(pddc);
 109     IDxDiagProvider_Release(pddp);
 110 }
 111
 112 static void test_GetNumberOfProps(void)
 113 {
 114     HRESULT hr;
 115     DWORD count;
 116
 117     if (!create_root_IDxDiagContainer())
 118     {
 119         skip("Unable to create the root IDxDiagContainer\n");
 120         return;
 121     }
 122
 123     hr = IDxDiagContainer_GetNumberOfProps(pddc, NULL);
 124     ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::GetNumberOfProps to return E_INVALIDARG, got 0x%08x\n", hr);
 125
 126     hr = IDxDiagContainer_GetNumberOfProps(pddc, &count);
 127     ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfProps to return S_OK, got 0x%08x\n", hr);
 128     if (hr == S_OK)
 129         ok(count == 0, "Expected the number of properties for the root container to be zero\n");
 130
 131     IDxDiagContainer_Release(pddc);
 132     IDxDiagProvider_Release(pddp);
 133 }
 134
 135 static void test_EnumChildContainerNames(void)
 136 {
 137     HRESULT hr;
 138     WCHAR container[256];
 139     DWORD maxcount, index;
 140     static const WCHAR testW[] = {'t','e','s','t',0};
 141     static const WCHAR zerotestW[] = {0,'e','s','t',0};
 142
 143     if (!create_root_IDxDiagContainer())
 144     {
 145         skip("Unable to create the root IDxDiagContainer\n");
 146         return;
 147     }
 148
 149     /* Test various combinations of invalid parameters. */
 150     hr = IDxDiagContainer_EnumChildContainerNames(pddc, 0, NULL, 0);
 151     ok(hr == E_INVALIDARG,
 152        "Expected IDxDiagContainer::EnumChildContainerNames to return E_INVALIDARG, got 0x%08x\n", hr);
 153
 154     hr = IDxDiagContainer_EnumChildContainerNames(pddc, 0, NULL, sizeof(container)/sizeof(WCHAR));
 155     ok(hr == E_INVALIDARG,
 156        "Expected IDxDiagContainer::EnumChildContainerNames to return E_INVALIDARG, got 0x%08x\n", hr);
 157
 158     /* Test the conditions in which the output buffer can be modified. */
 159     memcpy(container, testW, sizeof(testW));
 160     hr = IDxDiagContainer_EnumChildContainerNames(pddc, 0, container, 0);
 161     ok(hr == E_INVALIDARG,
 162        "Expected IDxDiagContainer::EnumChildContainerNames to return E_INVALIDARG, got 0x%08x\n", hr);
 163     ok(!memcmp(container, testW, sizeof(testW)),
 164        "Expected the container buffer to be untouched, got %s\n", wine_dbgstr_w(container));
 165
 166     memcpy(container, testW, sizeof(testW));
 167     hr = IDxDiagContainer_EnumChildContainerNames(pddc, ~0, container, 0);
 168     ok(hr == E_INVALIDARG,
 169        "Expected IDxDiagContainer::EnumChildContainerNames to return E_INVALIDARG, got 0x%08x\n", hr);
 170     ok(!memcmp(container, testW, sizeof(testW)),
 171        "Expected the container buffer to be untouched, got %s\n", wine_dbgstr_w(container));
 172
 173     memcpy(container, testW, sizeof(testW));
 174     hr = IDxDiagContainer_EnumChildContainerNames(pddc, ~0, container, sizeof(container)/sizeof(WCHAR));
 175     ok(hr == E_INVALIDARG,
 176        "Expected IDxDiagContainer::EnumChildContainerNames to return E_INVALIDARG, got 0x%08x\n", hr);
 177     ok(!memcmp(container, zerotestW, sizeof(zerotestW)),
 178        "Expected the container buffer string to be empty, got %s\n", wine_dbgstr_w(container));
 179
 180     hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, &maxcount);
 181     ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfChildContainers to return S_OK, got 0x%08x\n", hr);
 182     if (FAILED(hr))
 183     {
 184         skip("IDxDiagContainer::GetNumberOfChildContainers failed\n");
 185         goto cleanup;
 186     }
 187
 188     trace("Starting child container enumeration of the root container:\n");
 189
 190     /* We should be able to enumerate as many child containers as the value
 191      * that IDxDiagContainer::GetNumberOfChildContainers returns. */
 192     for (index = 0; index <= maxcount; index++)
 193     {
 194         /* A buffer size of 1 is unlikely to be valid, as only a null terminator
 195          * could be stored, and it is unlikely that a container name could be empty. */
 196         DWORD buffersize = 1;
 197         memcpy(container, testW, sizeof(testW));
 198         hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, container, buffersize);
 199         if (hr == E_INVALIDARG)
 200         {
 201             /* We should get here when index is one more than the maximum index value. */
 202             ok(maxcount == index,
 203                "Expected IDxDiagContainer::EnumChildContainerNames to return E_INVALIDARG "
 204                "on the last index %d, got 0x%08x\n", index, hr);
 205             ok(container[0] == '\0',
 206                "Expected the container buffer string to be empty, got %s\n", wine_dbgstr_w(container));
 207             break;
 208         }
 209         else if (hr == DXDIAG_E_INSUFFICIENT_BUFFER)
 210         {
 211             WCHAR temp[256];
 212
 213             ok(container[0] == '\0',
 214                "Expected the container buffer string to be empty, got %s\n", wine_dbgstr_w(container));
 215
 216             /* Get the container name to compare against. */
 217             hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, temp, sizeof(temp)/sizeof(WCHAR));
 218             ok(hr == S_OK,
 219                "Expected IDxDiagContainer::EnumChildContainerNames to return S_OK, got 0x%08x\n", hr);
 220
 221             /* Show that the DirectX SDK's stipulation that the buffer be at
 222              * least 256 characters long is a mere suggestion, and smaller sizes
 223              * can be acceptable also. IDxDiagContainer::EnumChildContainerNames
 224              * doesn't provide a way of getting the exact size required, so the
 225              * buffersize value will be iterated to at most 256 characters. */
 226             for (buffersize = 2; buffersize <= 256; buffersize++)
 227             {
 228                 memcpy(container, testW, sizeof(testW));
 229                 hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, container, buffersize);
 230                 if (hr != DXDIAG_E_INSUFFICIENT_BUFFER)
 231                     break;
 232
 233                 ok(!memcmp(temp, container, sizeof(WCHAR)*(buffersize - 1)),
 234                    "Expected truncated container name string, got %s\n", wine_dbgstr_w(container));
 235             }
 236
 237             ok(hr == S_OK,
 238                "Expected IDxDiagContainer::EnumChildContainerNames to return S_OK, "
 239                "got hr = 0x%08x, buffersize = %d\n", hr, buffersize);
 240             if (hr == S_OK)
 241                 trace("pddc[%d] = %s, length = %d\n", index, wine_dbgstr_w(container), buffersize);
 242         }
 243         else
 244         {
 245             ok(0, "IDxDiagContainer::EnumChildContainerNames unexpectedly returned 0x%08x\n", hr);
 246             break;
 247         }
 248     }
 249
 250 cleanup:
 251     IDxDiagContainer_Release(pddc);
 252     IDxDiagProvider_Release(pddp);
 253 }
 254
 255 static void test_GetChildContainer(void)
 256 {
 257     HRESULT hr;
 258     WCHAR container[256] = {0};
 259     IDxDiagContainer *child;
 260
 261     if (!create_root_IDxDiagContainer())
 262     {
 263         skip("Unable to create the root IDxDiagContainer\n");
 264         return;
 265     }
 266
 267     /* Test various combinations of invalid parameters. */
 268     hr = IDxDiagContainer_GetChildContainer(pddc, NULL, NULL);
 269     ok(hr == E_INVALIDARG,
 270        "Expected IDxDiagContainer::GetChildContainer to return E_INVALIDARG, got 0x%08x\n", hr);
 271
 272     child = (void*)0xdeadbeef;
 273     hr = IDxDiagContainer_GetChildContainer(pddc, NULL, &child);
 274     ok(hr == E_INVALIDARG,
 275        "Expected IDxDiagContainer::GetChildContainer to return E_INVALIDARG, got 0x%08x\n", hr);
 276     ok(child == (void*)0xdeadbeef, "Expected output pointer to be unchanged, got %p\n", child);
 277
 278     hr = IDxDiagContainer_GetChildContainer(pddc, container, NULL);
 279     ok(hr == E_INVALIDARG,
 280        "Expected IDxDiagContainer::GetChildContainer to return E_INVALIDARG, got 0x%08x\n", hr);
 281
 282     child = (void*)0xdeadbeef;
 283     hr = IDxDiagContainer_GetChildContainer(pddc, container, &child);
 284     ok(hr == E_INVALIDARG,
 285        "Expected IDxDiagContainer::GetChildContainer to return E_INVALIDARG, got 0x%08x\n", hr);
 286     ok(child == NULL, "Expected output pointer to be NULL, got %p\n", child);
 287
 288     /* Get the name of a suitable child container. */
 289     hr = IDxDiagContainer_EnumChildContainerNames(pddc, 0, container, sizeof(container)/sizeof(WCHAR));
 290     ok(hr == S_OK,
 291        "Expected IDxDiagContainer::EnumChildContainerNames to return S_OK, got 0x%08x\n", hr);
 292     if (FAILED(hr))
 293     {
 294         skip("IDxDiagContainer::EnumChildContainerNames failed\n");
 295         goto cleanup;
 296     }
 297
 298     child = (void*)0xdeadbeef;
 299     hr = IDxDiagContainer_GetChildContainer(pddc, container, &child);
 300     ok(hr == S_OK,
 301        "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
 302     ok(child != NULL && child != (void*)0xdeadbeef, "Expected a valid output pointer, got %p\n", child);
 303
 304     if (SUCCEEDED(hr))
 305     {
 306         IDxDiagContainer *ptr;
 307
 308         /* Show that IDxDiagContainer::GetChildContainer returns a different pointer
 309          * for multiple calls for the same container name. */
 310         hr = IDxDiagContainer_GetChildContainer(pddc, container, &ptr);
 311         ok(hr == S_OK,
 312            "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
 313         if (SUCCEEDED(hr))
 314             ok(ptr != child, "Expected the two pointers (%p vs. %p) to be unequal\n", child, ptr);
 315
 316         IDxDiagContainer_Release(ptr);
 317         IDxDiagContainer_Release(child);
 318     }
 319
 320 cleanup:
 321     IDxDiagContainer_Release(pddc);
 322     IDxDiagProvider_Release(pddp);
 323 }
 324
 325 static void test_dot_parsing(void)
 326 {
 327     HRESULT hr;
 328     WCHAR containerbufW[256] = {0}, childbufW[256] = {0};
 329     DWORD count, index;
 330     size_t i;
 331     static const struct
 332     {
 333         const char *format;
 334         const HRESULT expect;
 335     } test_strings[] = {
 336         { "%s.%s",   S_OK },
 337         { "%s.%s.",  S_OK },
 338         { ".%s.%s",  E_INVALIDARG },
 339         { "%s.%s..", E_INVALIDARG },
 340         { ".%s.%s.", E_INVALIDARG },
 341         { "..%s.%s", E_INVALIDARG },
 342     };
 343
 344     if (!create_root_IDxDiagContainer())
 345     {
 346         skip("Unable to create the root IDxDiagContainer\n");
 347         return;
 348     }
 349
 350     /* Find a container with a child container of its own. */
 351     hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, &count);
 352     ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfChildContainers to return S_OK, got 0x%08x\n", hr);
 353     if (FAILED(hr))
 354     {
 355         skip("IDxDiagContainer::GetNumberOfChildContainers failed\n");
 356         goto cleanup;
 357     }
 358
 359     for (index = 0; index < count; index++)
 360     {
 361         IDxDiagContainer *child;
 362
 363         hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, containerbufW, sizeof(containerbufW)/sizeof(WCHAR));
 364         ok(hr == S_OK, "Expected IDxDiagContainer_EnumChildContainerNames to return S_OK, got 0x%08x\n", hr);
 365         if (FAILED(hr))
 366         {
 367             skip("IDxDiagContainer::EnumChildContainerNames failed\n");
 368             goto cleanup;
 369         }
 370
 371         hr = IDxDiagContainer_GetChildContainer(pddc, containerbufW, &child);
 372         ok(hr == S_OK, "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
 373
 374         if (SUCCEEDED(hr))
 375         {
 376             hr = IDxDiagContainer_EnumChildContainerNames(child, 0, childbufW, sizeof(childbufW)/sizeof(WCHAR));
 377             ok(hr == S_OK || hr == E_INVALIDARG,
 378                "Expected IDxDiagContainer::EnumChildContainerNames to return S_OK or E_INVALIDARG, got 0x%08x\n", hr);
 379             IDxDiagContainer_Release(child);
 380
 381             if (SUCCEEDED(hr))
 382                 break;
 383         }
 384     }
 385
 386     if (!*containerbufW || !*childbufW)
 387     {
 388         skip("Unable to find a suitable container\n");
 389         goto cleanup;
 390     }
 391
 392     trace("Testing IDxDiagContainer::GetChildContainer dot parsing with container %s and child container %s.\n",
 393           wine_dbgstr_w(containerbufW), wine_dbgstr_w(childbufW));
 394
 395     for (i = 0; i < sizeof(test_strings)/sizeof(test_strings[0]); i++)
 396     {
 397         IDxDiagContainer *child;
 398         char containerbufA[256];
 399         char childbufA[256];
 400         char dotbufferA[255 + 255 + 3 + 1];
 401         WCHAR dotbufferW[255 + 255 + 3 + 1]; /* containerbuf + childbuf + dots + null terminator */
 402
 403         WideCharToMultiByte(CP_ACP, 0, containerbufW, -1, containerbufA, sizeof(containerbufA), NULL, NULL);
 404         WideCharToMultiByte(CP_ACP, 0, childbufW, -1, childbufA, sizeof(childbufA), NULL, NULL);
 405         sprintf(dotbufferA, test_strings[i].format, containerbufA, childbufA);
 406         MultiByteToWideChar(CP_ACP, 0, dotbufferA, -1, dotbufferW, sizeof(dotbufferW)/sizeof(WCHAR));
 407
 408         trace("Trying container name %s\n", wine_dbgstr_w(dotbufferW));
 409         hr = IDxDiagContainer_GetChildContainer(pddc, dotbufferW, &child);
 410         ok(hr == test_strings[i].expect,
 411            "Expected IDxDiagContainer::GetChildContainer to return 0x%08x for %s, got 0x%08x\n",
 412            test_strings[i].expect, wine_dbgstr_w(dotbufferW), hr);
 413         if (SUCCEEDED(hr))
 414             IDxDiagContainer_Release(child);
 415     }
 416
 417 cleanup:
 418     IDxDiagContainer_Release(pddc);
 419     IDxDiagProvider_Release(pddp);
 420 }
 421
 422 static void test_EnumPropNames(void)
 423 {
 424     HRESULT hr;
 425     WCHAR container[256], property[256];
 426     IDxDiagContainer *child = NULL;
 427     DWORD count, index, propcount;
 428     static const WCHAR testW[] = {'t','e','s','t',0};
 429
 430     if (!create_root_IDxDiagContainer())
 431     {
 432         skip("Unable to create the root IDxDiagContainer\n");
 433         return;
 434     }
 435
 436     /* Find a container with a non-zero number of properties. */
 437     hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, &count);
 438     ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfChildContainers to return S_OK, got 0x%08x\n", hr);
 439     if (FAILED(hr))
 440     {
 441         skip("IDxDiagContainer::GetNumberOfChildContainers failed\n");
 442         goto cleanup;
 443     }
 444
 445     for (index = 0; index < count; index++)
 446     {
 447         hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, container, sizeof(container)/sizeof(WCHAR));
 448         ok(hr == S_OK, "Expected IDxDiagContainer_EnumChildContainerNames to return S_OK, got 0x%08x\n", hr);
 449         if (FAILED(hr))
 450         {
 451             skip("IDxDiagContainer::EnumChildContainerNames failed\n");
 452             goto cleanup;
 453         }
 454
 455         hr = IDxDiagContainer_GetChildContainer(pddc, container, &child);
 456         ok(hr == S_OK, "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
 457
 458         if (SUCCEEDED(hr))
 459         {
 460             hr = IDxDiagContainer_GetNumberOfProps(child, &propcount);
 461             ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfProps to return S_OK, got 0x%08x\n", hr);
 462
 463             if (!propcount)
 464             {
 465                 IDxDiagContainer_Release(child);
 466                 child = NULL;
 467             }
 468             else
 469                 break;
 470         }
 471     }
 472
 473     if (!child)
 474     {
 475         skip("Unable to find a container with non-zero property count\n");
 476         goto cleanup;
 477     }
 478
 479     hr = IDxDiagContainer_EnumPropNames(child, ~0, NULL, 0);
 480     ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::EnumPropNames to return E_INVALIDARG, got 0x%08x\n", hr);
 481
 482     memcpy(property, testW, sizeof(testW));
 483     hr = IDxDiagContainer_EnumPropNames(child, ~0, property, 0);
 484     ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::EnumPropNames to return E_INVALIDARG, got 0x%08x\n", hr);
 485     ok(!memcmp(property, testW, sizeof(testW)),
 486        "Expected the property buffer to be unchanged, got %s\n", wine_dbgstr_w(property));
 487
 488     memcpy(property, testW, sizeof(testW));
 489     hr = IDxDiagContainer_EnumPropNames(child, ~0, property, sizeof(property)/sizeof(WCHAR));
 490     ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::EnumPropNames to return E_INVALIDARG, got 0x%08x\n", hr);
 491     ok(!memcmp(property, testW, sizeof(testW)),
 492        "Expected the property buffer to be unchanged, got %s\n", wine_dbgstr_w(property));
 493
 494     trace("Starting property enumeration of the %s container:\n", wine_dbgstr_w(container));
 495
 496     /* We should be able to enumerate as many properties as the value that
 497      * IDxDiagContainer::GetNumberOfProps returns. */
 498     for (index = 0; index <= propcount; index++)
 499     {
 500         /* A buffer size of 1 is unlikely to be valid, as only a null terminator
 501          * could be stored, and it is unlikely that a property name could be empty. */
 502         DWORD buffersize = 1;
 503
 504         memcpy(property, testW, sizeof(testW));
 505         hr = IDxDiagContainer_EnumPropNames(child, index, property, buffersize);
 506         if (hr == E_INVALIDARG)
 507         {
 508             /* We should get here when index is one more than the maximum index value. */
 509             ok(propcount == index,
 510                "Expected IDxDiagContainer::EnumPropNames to return E_INVALIDARG "
 511                "on the last index %d, got 0x%08x\n", index, hr);
 512             ok(!memcmp(property, testW, sizeof(testW)),
 513                "Expected the property buffer to be unchanged, got %s\n", wine_dbgstr_w(property));
 514             break;
 515         }
 516         else if (hr == DXDIAG_E_INSUFFICIENT_BUFFER)
 517         {
 518             WCHAR temp[256];
 519
 520             ok(property[0] == '\0',
 521                "Expected the property buffer string to be empty, got %s\n", wine_dbgstr_w(property));
 522             hr = IDxDiagContainer_EnumPropNames(child, index, temp, sizeof(temp)/sizeof(WCHAR));
 523             ok(hr == S_OK,
 524                "Expected IDxDiagContainer::EnumPropNames to return S_OK, got 0x%08x\n", hr);
 525
 526             /* Show that the DirectX SDK's stipulation that the buffer be at
 527              * least 256 characters long is a mere suggestion, and smaller sizes
 528              * can be acceptable also. IDxDiagContainer::EnumPropNames doesn't
 529              * provide a way of getting the exact size required, so the buffersize
 530              * value will be iterated to at most 256 characters. */
 531             for (buffersize = 2; buffersize <= 256; buffersize++)
 532             {
 533                 memcpy(property, testW, sizeof(testW));
 534                 hr = IDxDiagContainer_EnumPropNames(child, index, property, buffersize);
 535                 if (hr != DXDIAG_E_INSUFFICIENT_BUFFER)
 536                     break;
 537
 538                 ok(!memcmp(temp, property, sizeof(WCHAR)*(buffersize - 1)),
 539                    "Expected truncated property name string, got %s\n", wine_dbgstr_w(property));
 540             }
 541
 542             ok(hr == S_OK,
 543                "Expected IDxDiagContainer::EnumPropNames to return S_OK, "
 544                "got hr = 0x%08x, buffersize = %d\n", hr, buffersize);
 545             if (hr == S_OK)
 546                 trace("child[%d] = %s, length = %d\n", index, wine_dbgstr_w(property), buffersize);
 547         }
 548         else
 549         {
 550             ok(0, "IDxDiagContainer::EnumPropNames unexpectedly returned 0x%08x\n", hr);
 551             break;
 552         }
 553     }
 554
 555     IDxDiagContainer_Release(child);
 556
 557 cleanup:
 558     IDxDiagContainer_Release(pddc);
 559     IDxDiagProvider_Release(pddp);
 560 }
 561
 562 static void test_GetProp(void)
 563 {
 564     HRESULT hr;
 565     WCHAR container[256], property[256];
 566     IDxDiagContainer *child = NULL;
 567     DWORD count, index;
 568     VARIANT var;
 569     SAFEARRAY *sa;
 570     SAFEARRAYBOUND bound;
 571     static const WCHAR emptyW[] = {0};
 572     static const WCHAR testW[] = {'t','e','s','t',0};
 573
 574     if (!create_root_IDxDiagContainer())
 575     {
 576         skip("Unable to create the root IDxDiagContainer\n");
 577         return;
 578     }
 579
 580     /* Find a container with a property. */
 581     hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, &count);
 582     ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfChildContainers to return S_OK, got 0x%08x\n", hr);
 583     if (FAILED(hr))
 584     {
 585         skip("IDxDiagContainer::GetNumberOfChildContainers failed\n");
 586         goto cleanup;
 587     }
 588
 589     for (index = 0; index < count; index++)
 590     {
 591         hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, container, sizeof(container)/sizeof(WCHAR));
 592         ok(hr == S_OK, "Expected IDxDiagContainer_EnumChildContainerNames to return S_OK, got 0x%08x\n", hr);
 593         if (FAILED(hr))
 594         {
 595             skip("IDxDiagContainer::EnumChildContainerNames failed\n");
 596             goto cleanup;
 597         }
 598
 599         hr = IDxDiagContainer_GetChildContainer(pddc, container, &child);
 600         ok(hr == S_OK, "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
 601
 602         if (SUCCEEDED(hr))
 603         {
 604             hr = IDxDiagContainer_EnumPropNames(child, 0, property, sizeof(property)/sizeof(WCHAR));
 605             ok(hr == S_OK || hr == E_INVALIDARG,
 606                "Expected IDxDiagContainer::EnumPropNames to return S_OK or E_INVALIDARG, got 0x%08x\n", hr);
 607
 608             if (SUCCEEDED(hr))
 609                 break;
 610             else
 611             {
 612                 IDxDiagContainer_Release(child);
 613                 child = NULL;
 614             }
 615         }
 616     }
 617
 618     if (!child)
 619     {
 620         skip("Unable to find a suitable container\n");
 621         goto cleanup;
 622     }
 623
 624     hr = IDxDiagContainer_GetProp(child, NULL, NULL);
 625     ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::GetProp to return E_INVALIDARG, got 0x%08x\n", hr);
 626
 627     V_VT(&var) = 0xdead;
 628     hr = IDxDiagContainer_GetProp(child, NULL, &var);
 629     ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::GetProp to return E_INVALIDARG, got 0x%08x\n", hr);
 630     ok(V_VT(&var) == 0xdead, "Expected the variant to be untouched, got %u\n", V_VT(&var));
 631
 632     hr = IDxDiagContainer_GetProp(child, emptyW, NULL);
 633     ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::GetProp to return E_INVALIDARG, got 0x%08x\n", hr);
 634
 635     V_VT(&var) = 0xdead;
 636     hr = IDxDiagContainer_GetProp(child, emptyW, &var);
 637     ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::GetProp to return E_INVALIDARG, got 0x%08x\n", hr);
 638     ok(V_VT(&var) == 0xdead, "Expected the variant to be untouched, got %u\n", V_VT(&var));
 639
 640     hr = IDxDiagContainer_GetProp(child, testW, NULL);
 641     ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::GetProp to return E_INVALIDARG, got 0x%08x\n", hr);
 642
 643     V_VT(&var) = 0xdead;
 644     hr = IDxDiagContainer_GetProp(child, testW, &var);
 645     ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::GetProp to return E_INVALIDARG, got 0x%08x\n", hr);
 646     ok(V_VT(&var) == 0xdead, "Expected the variant to be untouched, got %u\n", V_VT(&var));
 647
 648     VariantInit(&var);
 649     hr = IDxDiagContainer_GetProp(child, property, &var);
 650     ok(hr == S_OK, "Expected IDxDiagContainer::GetProp to return S_OK, got 0x%08x\n", hr);
 651     ok(V_VT(&var) != VT_EMPTY, "Expected the variant to be modified, got %d\n", V_VT(&var));
 652
 653     /* Since the documentation for IDxDiagContainer::GetProp claims that the
 654      * function reports return values from VariantCopy, try to exercise failure
 655      * paths in handling the destination variant. */
 656
 657     /* Try an invalid variant type. */
 658     V_VT(&var) = 0xdead;
 659     hr = IDxDiagContainer_GetProp(child, property, &var);
 660     ok(hr == S_OK, "Expected IDxDiagContainer::GetProp to return S_OK, got 0x%08x\n", hr);
 661     ok(V_VT(&var) != 0xdead, "Expected the variant to be modified, got %d\n", V_VT(&var));
 662
 663     /* Try passing a variant with a locked SAFEARRAY. */
 664     bound.cElements = 1;
 665     bound.lLbound = 0;
 666     sa = SafeArrayCreate(VT_UI1, 1, &bound);
 667     ok(sa != NULL, "Expected SafeArrayCreate to return a valid pointer\n");
 668
 669     V_VT(&var) = (VT_ARRAY | VT_UI1);
 670     V_ARRAY(&var) = sa;
 671
 672     hr = SafeArrayLock(sa);
 673     ok(hr == S_OK, "Expected SafeArrayLock to return S_OK, got 0x%08x\n", hr);
 674
 675     hr = IDxDiagContainer_GetProp(child, property, &var);
 676     ok(hr == S_OK, "Expected IDxDiagContainer::GetProp to return S_OK, got 0x%08x\n", hr);
 677     ok(V_VT(&var) != (VT_ARRAY | VT_UI1), "Expected the variant to be modified\n");
 678
 679     hr = SafeArrayUnlock(sa);
 680     ok(hr == S_OK, "Expected SafeArrayUnlock to return S_OK, got 0x%08x\n", hr);
 681     hr = SafeArrayDestroy(sa);
 682     ok(hr == S_OK, "Expected SafeArrayDestroy to return S_OK, got 0x%08x\n", hr);
 683     IDxDiagContainer_Release(child);
 684
 685 cleanup:
 686     IDxDiagContainer_Release(pddc);
 687     IDxDiagProvider_Release(pddp);
 688 }
 689
 690 static void test_root_children(void)
 691 {
 692     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};
 693     static const WCHAR DxDiag_DirectSound[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','S','o','u','n','d',0};
 694     static const WCHAR DxDiag_DirectMusic[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','M','u','s','i','c',0};
 695     static const WCHAR DxDiag_DirectInput[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','I','n','p','u','t',0};
 696     static const WCHAR DxDiag_DirectPlay[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','P','l','a','y',0};
 697     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};
 698     static const WCHAR DxDiag_DirectXFiles[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','X','F','i','l','e','s',0};
 699     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};
 700     static const WCHAR DxDiag_LogicalDisks[] = {'D','x','D','i','a','g','_','L','o','g','i','c','a','l','D','i','s','k','s',0};
 701
 702     HRESULT hr;
 703     DWORD count, index;
 704
 705     static const WCHAR *root_children[] = {
 706         DxDiag_SystemInfo, DxDiag_DisplayDevices, DxDiag_DirectSound,
 707         DxDiag_DirectMusic, DxDiag_DirectInput, DxDiag_DirectPlay,
 708         DxDiag_SystemDevices, DxDiag_DirectXFiles, DxDiag_DirectShowFilters,
 709         DxDiag_LogicalDisks
 710     };
 711
 712     if (!create_root_IDxDiagContainer())
 713     {
 714         skip("Unable to create the root IDxDiagContainer\n");
 715         return;
 716     }
 717
 718     /* Verify the identity and ordering of the root container's children. */
 719     hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, &count);
 720     ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfChildContainers to return S_OK, got 0x%08x\n", hr);
 721     if (FAILED(hr))
 722     {
 723         skip("IDxDiagContainer::GetNumberOfChildContainers failed\n");
 724         goto cleanup;
 725     }
 726
 727     ok(count == sizeof(root_children)/sizeof(root_children[0]),
 728        "Got unexpected count %u for the number of child containers\n", count);
 729
 730     if (count != sizeof(root_children)/sizeof(root_children[0]))
 731     {
 732         skip("Received unexpected number of child containers\n");
 733         goto cleanup;
 734     }
 735
 736     for (index = 0; index <= count; index++)
 737     {
 738         WCHAR container[256];
 739
 740         hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, container, sizeof(container)/sizeof(WCHAR));
 741         if (hr == E_INVALIDARG)
 742         {
 743             ok(index == count,
 744                "Expected IDxDiagContainer::EnumChildContainerNames to return "
 745                "E_INVALIDARG on the last index %u\n", count);
 746             break;
 747         }
 748         else if (hr == S_OK)
 749         {
 750             ok(!lstrcmpW(container, root_children[index]),
 751                "Expected container %s for index %u, got %s\n",
 752                wine_dbgstr_w(root_children[index]), index, wine_dbgstr_w(container));
 753         }
 754         else
 755         {
 756             ok(0, "IDxDiagContainer::EnumChildContainerNames unexpectedly returned 0x%08x\n", hr);
 757             break;
 758         }
 759     }
 760
 761 cleanup:
 762     IDxDiagContainer_Release(pddc);
 763     IDxDiagProvider_Release(pddp);
 764 }
 765
 766 static void test_DxDiag_SystemInfo(void)
 767 {
 768     static const WCHAR dwOSMajorVersion[] = {'d','w','O','S','M','a','j','o','r','V','e','r','s','i','o','n',0};
 769     static const WCHAR dwOSMinorVersion[] = {'d','w','O','S','M','i','n','o','r','V','e','r','s','i','o','n',0};
 770     static const WCHAR dwOSBuildNumber[] = {'d','w','O','S','B','u','i','l','d','N','u','m','b','e','r',0};
 771     static const WCHAR dwOSPlatformID[] = {'d','w','O','S','P','l','a','t','f','o','r','m','I','D',0};
 772     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};
 773     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};
 774     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};
 775     static const WCHAR bDebug[] = {'b','D','e','b','u','g',0};
 776     static const WCHAR bNECPC98[] = {'b','N','E','C','P','C','9','8',0};
 777     static const WCHAR ullPhysicalMemory[] = {'u','l','l','P','h','y','s','i','c','a','l','M','e','m','o','r','y',0};
 778     static const WCHAR ullUsedPageFile[] = {'u','l','l','U','s','e','d','P','a','g','e','F','i','l','e',0};
 779     static const WCHAR ullAvailPageFile[] = {'u','l','l','A','v','a','i','l','P','a','g','e','F','i','l','e',0};
 780     static const WCHAR szWindowsDir[] = {'s','z','W','i','n','d','o','w','s','D','i','r',0};
 781     static const WCHAR szCSDVersion[] = {'s','z','C','S','D','V','e','r','s','i','o','n',0};
 782     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};
 783     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};
 784     static const WCHAR bNetMeetingRunning[] = {'b','N','e','t','M','e','e','t','i','n','g','R','u','n','n','i','n','g',0};
 785     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};
 786     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};
 787     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};
 788     static const WCHAR szLanguagesEnglish[] = {'s','z','L','a','n','g','u','a','g','e','s','E','n','g','l','i','s','h',0};
 789     static const WCHAR szTimeLocalized[] = {'s','z','T','i','m','e','L','o','c','a','l','i','z','e','d',0};
 790     static const WCHAR szTimeEnglish[] = {'s','z','T','i','m','e','E','n','g','l','i','s','h',0};
 791     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};
 792     static const WCHAR szPageFileLocalized[] = {'s','z','P','a','g','e','F','i','l','e','L','o','c','a','l','i','z','e','d',0};
 793     static const WCHAR szPageFileEnglish[] = {'s','z','P','a','g','e','F','i','l','e','E','n','g','l','i','s','h',0};
 794     static const WCHAR szOSLocalized[] = {'s','z','O','S','L','o','c','a','l','i','z','e','d',0};
 795     static const WCHAR szOSExLocalized[] = {'s','z','O','S','E','x','L','o','c','a','l','i','z','e','d',0};
 796     static const WCHAR szOSExLongLocalized[] = {'s','z','O','S','E','x','L','o','n','g','L','o','c','a','l','i','z','e','d',0};
 797     static const WCHAR szOSEnglish[] = {'s','z','O','S','E','n','g','l','i','s','h',0};
 798     static const WCHAR szOSExEnglish[] = {'s','z','O','S','E','x','E','n','g','l','i','s','h',0};
 799     static const WCHAR szOSExLongEnglish[] = {'s','z','O','S','E','x','L','o','n','g','E','n','g','l','i','s','h',0};
 800
 801     static const struct
 802     {
 803         const WCHAR *prop;
 804         VARTYPE vt;
 805     } property_tests[] =
 806     {
 807         {dwOSMajorVersion, VT_UI4},
 808         {dwOSMinorVersion, VT_UI4},
 809         {dwOSBuildNumber, VT_UI4},
 810         {dwOSPlatformID, VT_UI4},
 811         {dwDirectXVersionMajor, VT_UI4},
 812         {dwDirectXVersionMinor, VT_UI4},
 813         {szDirectXVersionLetter, VT_BSTR},
 814         {bDebug, VT_BOOL},
 815         {bNECPC98, VT_BOOL},
 816         {ullPhysicalMemory, VT_BSTR},
 817         {ullUsedPageFile, VT_BSTR},
 818         {ullAvailPageFile, VT_BSTR},
 819         {szWindowsDir, VT_BSTR},
 820         {szCSDVersion, VT_BSTR},
 821         {szDirectXVersionEnglish, VT_BSTR},
 822         {szDirectXVersionLongEnglish, VT_BSTR},
 823         {bNetMeetingRunning, VT_BOOL},
 824         {szMachineNameLocalized, VT_BSTR},
 825         {szMachineNameEnglish, VT_BSTR},
 826         {szLanguagesLocalized, VT_BSTR},
 827         {szLanguagesEnglish, VT_BSTR},
 828         {szTimeLocalized, VT_BSTR},
 829         {szTimeEnglish, VT_BSTR},
 830         {szPhysicalMemoryEnglish, VT_BSTR},
 831         {szPageFileLocalized, VT_BSTR},
 832         {szPageFileEnglish, VT_BSTR},
 833         {szOSLocalized, VT_BSTR},
 834         {szOSExLocalized, VT_BSTR},
 835         {szOSExLongLocalized, VT_BSTR},
 836         {szOSEnglish, VT_BSTR},
 837         {szOSExEnglish, VT_BSTR},
 838         {szOSExLongEnglish, VT_BSTR},
 839     };
 840
 841     HRESULT hr;
 842     IDxDiagContainer *child = NULL;
 843     VARIANT var;
 844
 845     if (!create_root_IDxDiagContainer())
 846     {
 847         skip("Unable to create the root IDxDiagContainer\n");
 848         return;
 849     }
 850
 851     hr = IDxDiagContainer_GetChildContainer(pddc, DxDiag_SystemInfo, &child);
 852     ok(hr == S_OK, "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
 853
 854     if (hr == S_OK)
 855     {
 856         int i;
 857
 858         /* Examine the variant types of obtained property values. */
 859         for (i = 0; i < sizeof(property_tests)/sizeof(property_tests[0]); i++)
 860         {
 861             hr = IDxDiagContainer_GetProp(child, property_tests[i].prop, &var);
 862             ok(hr == S_OK, "[%d] Expected IDxDiagContainer::GetProp to return S_OK, got 0x%08x\n", i, hr);
 863
 864             if (hr == S_OK)
 865             {
 866                 ok(V_VT(&var) == property_tests[i].vt,
 867                    "[%d] Expected variant type %d, got %d\n", i, property_tests[i].vt, V_VT(&var));
 868                 trace("%s = %s\n", wine_dbgstr_w(property_tests[i].prop), debugstr_variant(&var));
 869                 VariantClear(&var);
 870             }
 871         }
 872     }
 873
 874     IDxDiagContainer_Release(child);
 875     IDxDiagContainer_Release(pddc);
 876     IDxDiagProvider_Release(pddp);
 877 }
 878
 879 START_TEST(container)
 880 {
 881     CoInitialize(NULL);
 882     test_GetNumberOfChildContainers();
 883     test_GetNumberOfProps();
 884     test_EnumChildContainerNames();
 885     test_GetChildContainer();
 886     test_dot_parsing();
 887     test_EnumPropNames();
 888     test_GetProp();
 889
 890     test_root_children();
 891     test_DxDiag_SystemInfo();
 892     CoUninitialize();
 893 }