dlls/shlwapi/tests/clist.c

   1 /* Unit test suite for SHLWAPI Compact List and IStream ordinal functions
   2  *
   3  * Copyright 2002 Jon Griffiths
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include <stdarg.h>
  21
  22 #include "wine/test.h"
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "objbase.h"
  26
  27 typedef struct tagSHLWAPI_CLIST
  28 {
  29   ULONG ulSize;
  30   ULONG ulId;
  31 } SHLWAPI_CLIST, *LPSHLWAPI_CLIST;
  32
  33 typedef const SHLWAPI_CLIST* LPCSHLWAPI_CLIST;
  34
  35 /* Items to add */
  36 static const SHLWAPI_CLIST SHLWAPI_CLIST_items[] =
  37 {
  38   {4, 1},
  39   {8, 3},
  40   {12, 2},
  41   {16, 8},
  42   {20, 9},
  43   {3, 11},
  44   {9, 82},
  45   {33, 16},
  46   {32, 55},
  47   {24, 100},
  48   {39, 116},
  49   { 0, 0}
  50 };
  51
  52 /* Dummy IStream object for testing calls */
  53 typedef struct
  54 {
  55   void* lpVtbl;
  56   LONG  ref;
  57   int   readcalls;
  58   BOOL  failreadcall;
  59   BOOL  failreadsize;
  60   BOOL  readbeyondend;
  61   BOOL  readreturnlarge;
  62   int   writecalls;
  63   BOOL  failwritecall;
  64   BOOL  failwritesize;
  65   int   seekcalls;
  66   int   statcalls;
  67   BOOL  failstatcall;
  68   LPCSHLWAPI_CLIST item;
  69   ULARGE_INTEGER   pos;
  70 } _IDummyStream;
  71
  72 static
  73 HRESULT WINAPI QueryInterface(_IDummyStream *This,REFIID riid, LPVOID *ppvObj)
  74 {
  75   return S_OK;
  76 }
  77
  78 static ULONG WINAPI AddRef(_IDummyStream *This)
  79 {
  80   return InterlockedIncrement(&This->ref);
  81 }
  82
  83 static ULONG WINAPI Release(_IDummyStream *This)
  84 {
  85   return InterlockedDecrement(&This->ref);
  86 }
  87
  88 static HRESULT WINAPI Read(_IDummyStream* This, LPVOID lpMem, ULONG ulSize,
  89                            PULONG lpRead)
  90 {
  91   HRESULT hRet = S_OK;
  92   ++This->readcalls;
  93
  94   if (This->failreadcall)
  95   {
  96     return STG_E_ACCESSDENIED;
  97   }
  98   else if (This->failreadsize)
  99   {
 100     *lpRead = ulSize + 8;
 101     return S_OK;
 102   }
 103   else if (This->readreturnlarge)
 104   {
 105     *((ULONG*)lpMem) = 0xffff01;
 106     *lpRead = ulSize;
 107     This->readreturnlarge = FALSE;
 108     return S_OK;
 109   }
 110   if (ulSize == sizeof(ULONG))
 111   {
 112     /* Read size of item */
 113     *((ULONG*)lpMem) = This->item->ulSize ? This->item->ulSize + sizeof(SHLWAPI_CLIST) : 0;
 114     *lpRead = ulSize;
 115   }
 116   else
 117   {
 118     unsigned int i;
 119     char* buff = lpMem;
 120
 121     /* Read item data */
 122     if (!This->item->ulSize)
 123     {
 124       This->readbeyondend = TRUE;
 125       *lpRead = 0;
 126       return E_FAIL; /* Should never happen */
 127     }
 128     *((ULONG*)lpMem) = This->item->ulId;
 129     *lpRead = ulSize;
 130
 131     for (i = 0; i < This->item->ulSize; i++)
 132       buff[4+i] = i*2;
 133
 134     This->item++;
 135   }
 136   return hRet;
 137 }
 138
 139 static HRESULT WINAPI Write(_IDummyStream* This, LPVOID lpMem, ULONG ulSize,
 140                             PULONG lpWritten)
 141 {
 142   HRESULT hRet = S_OK;
 143
 144   ++This->writecalls;
 145   if (This->failwritecall)
 146   {
 147     return STG_E_ACCESSDENIED;
 148   }
 149   else if (This->failwritesize)
 150   {
 151     *lpWritten = 0;
 152   }
 153   else
 154     *lpWritten = ulSize;
 155   return hRet;
 156 }
 157
 158 static HRESULT WINAPI Seek(_IDummyStream* This, LARGE_INTEGER dlibMove,
 159                            DWORD dwOrigin, ULARGE_INTEGER* plibNewPosition)
 160 {
 161   ++This->seekcalls;
 162   This->pos.QuadPart = dlibMove.QuadPart;
 163   if (plibNewPosition)
 164     plibNewPosition->QuadPart = dlibMove.QuadPart;
 165   return S_OK;
 166 }
 167
 168 static HRESULT WINAPI Stat(_IDummyStream* This, STATSTG* pstatstg,
 169                            DWORD grfStatFlag)
 170 {
 171   ++This->statcalls;
 172   if (This->failstatcall)
 173     return E_FAIL;
 174   if (pstatstg)
 175     pstatstg->cbSize.QuadPart = This->pos.QuadPart;
 176   return S_OK;
 177 }
 178
 179 /* VTable */
 180 static void* iclvt[] =
 181 {
 182   QueryInterface,
 183   AddRef,
 184   Release,
 185   Read,
 186   Write,
 187   Seek,
 188   NULL, /* SetSize */
 189   NULL, /* CopyTo */
 190   NULL, /* Commit */
 191   NULL, /* Revert */
 192   NULL, /* LockRegion */
 193   NULL, /* UnlockRegion */
 194   Stat,
 195   NULL  /* Clone */
 196 };
 197
 198 /* Function ptrs for ordinal calls */
 199 static HMODULE SHLWAPI_hshlwapi = 0;
 200
 201 static VOID    (WINAPI *pSHLWAPI_19)(LPSHLWAPI_CLIST);
 202 static HRESULT (WINAPI *pSHLWAPI_20)(LPSHLWAPI_CLIST*,LPCSHLWAPI_CLIST);
 203 static BOOL    (WINAPI *pSHLWAPI_21)(LPSHLWAPI_CLIST*,ULONG);
 204 static LPSHLWAPI_CLIST (WINAPI *pSHLWAPI_22)(LPSHLWAPI_CLIST,ULONG);
 205 static HRESULT (WINAPI *pSHLWAPI_17)(_IDummyStream*,LPSHLWAPI_CLIST);
 206 static HRESULT (WINAPI *pSHLWAPI_18)(_IDummyStream*,LPSHLWAPI_CLIST*);
 207
 208 static BOOL    (WINAPI *pSHLWAPI_166)(_IDummyStream*);
 209 static HRESULT (WINAPI *pSHLWAPI_184)(_IDummyStream*,LPVOID,ULONG);
 210 static HRESULT (WINAPI *pSHLWAPI_212)(_IDummyStream*,LPCVOID,ULONG);
 211 static HRESULT (WINAPI *pSHLWAPI_213)(_IDummyStream*);
 212 static HRESULT (WINAPI *pSHLWAPI_214)(_IDummyStream*,ULARGE_INTEGER*);
 213
 214
 215 static BOOL InitFunctionPtrs(void)
 216 {
 217   SHLWAPI_hshlwapi = GetModuleHandleA("shlwapi.dll");
 218
 219   /* SHCreateStreamOnFileEx was introduced in shlwapi v6.0 */
 220   if(!GetProcAddress(SHLWAPI_hshlwapi, "SHCreateStreamOnFileEx")){
 221       win_skip("Too old shlwapi version\n");
 222       return FALSE;
 223   }
 224
 225   pSHLWAPI_17 = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)17);
 226   ok(pSHLWAPI_17 != 0, "No Ordinal 17\n");
 227   pSHLWAPI_18 = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)18);
 228   ok(pSHLWAPI_18 != 0, "No Ordinal 18\n");
 229   pSHLWAPI_19 = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)19);
 230   ok(pSHLWAPI_19 != 0, "No Ordinal 19\n");
 231   pSHLWAPI_20 = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)20);
 232   ok(pSHLWAPI_20 != 0, "No Ordinal 20\n");
 233   pSHLWAPI_21 = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)21);
 234   ok(pSHLWAPI_21 != 0, "No Ordinal 21\n");
 235   pSHLWAPI_22 = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)22);
 236   ok(pSHLWAPI_22 != 0, "No Ordinal 22\n");
 237   pSHLWAPI_166 = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)166);
 238   ok(pSHLWAPI_166 != 0, "No Ordinal 166\n");
 239   pSHLWAPI_184 = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)184);
 240   ok(pSHLWAPI_184 != 0, "No Ordinal 184\n");
 241   pSHLWAPI_212 = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)212);
 242   ok(pSHLWAPI_212 != 0, "No Ordinal 212\n");
 243   pSHLWAPI_213 = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)213);
 244   ok(pSHLWAPI_213 != 0, "No Ordinal 213\n");
 245   pSHLWAPI_214 = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)214);
 246   ok(pSHLWAPI_214 != 0, "No Ordinal 214\n");
 247
 248   return TRUE;
 249 }
 250
 251 static void InitDummyStream(_IDummyStream* iface)
 252 {
 253   iface->lpVtbl = (void*)iclvt;
 254   iface->ref = 1;
 255   iface->readcalls = 0;
 256   iface->failreadcall = FALSE;
 257   iface->failreadsize = FALSE;
 258   iface->readbeyondend = FALSE;
 259   iface->readreturnlarge = FALSE;
 260   iface->writecalls = 0;
 261   iface->failwritecall = FALSE;
 262   iface->failwritesize = FALSE;
 263   iface->seekcalls = 0;
 264   iface->statcalls = 0;
 265   iface->failstatcall = FALSE;
 266   iface->item = SHLWAPI_CLIST_items;
 267   iface->pos.QuadPart = 0;
 268 }
 269
 270
 271 static void test_CList(void)
 272 {
 273   _IDummyStream streamobj;
 274   LPSHLWAPI_CLIST list = NULL;
 275   LPCSHLWAPI_CLIST item = SHLWAPI_CLIST_items;
 276   HRESULT hRet;
 277   LPSHLWAPI_CLIST inserted;
 278   BYTE buff[64];
 279   unsigned int i;
 280
 281   if (!pSHLWAPI_17 || !pSHLWAPI_18 || !pSHLWAPI_19 || !pSHLWAPI_20 ||
 282       !pSHLWAPI_21 || !pSHLWAPI_22)
 283     return;
 284
 285   /* Populate a list and test the items are added correctly */
 286   while (item->ulSize)
 287   {
 288     /* Create item and fill with data */
 289     inserted = (LPSHLWAPI_CLIST)buff;
 290     inserted->ulSize = item->ulSize + sizeof(SHLWAPI_CLIST);
 291     inserted->ulId = item->ulId;
 292     for (i = 0; i < item->ulSize; i++)
 293       buff[sizeof(SHLWAPI_CLIST)+i] = i*2;
 294
 295     /* Add it */
 296     hRet = pSHLWAPI_20(&list, inserted);
 297     ok(hRet > S_OK, "failed list add\n");
 298
 299     if (hRet > S_OK)
 300     {
 301       ok(list && list->ulSize, "item not added\n");
 302
 303       /* Find it */
 304       inserted = pSHLWAPI_22(list, item->ulId);
 305       ok(inserted != NULL, "lost after adding\n");
 306
 307       ok(!inserted || inserted->ulId != ~0U, "find returned a container\n");
 308
 309       /* Check size */
 310       if (inserted && inserted->ulSize & 0x3)
 311       {
 312         /* Contained */
 313         ok(inserted[-1].ulId == ~0U, "invalid size is not countained\n");
 314         ok(inserted[-1].ulSize > inserted->ulSize+sizeof(SHLWAPI_CLIST),
 315            "container too small\n");
 316       }
 317       else if (inserted)
 318       {
 319         ok(inserted->ulSize==item->ulSize+sizeof(SHLWAPI_CLIST),
 320            "id %d wrong size %d\n", inserted->ulId, inserted->ulSize);
 321       }
 322       if (inserted)
 323       {
 324         BOOL bDataOK = TRUE;
 325         LPBYTE bufftest = (LPBYTE)inserted;
 326
 327         for (i = 0; i < inserted->ulSize - sizeof(SHLWAPI_CLIST); i++)
 328           if (bufftest[sizeof(SHLWAPI_CLIST)+i] != i*2)
 329             bDataOK = FALSE;
 330
 331         ok(bDataOK == TRUE, "data corrupted on insert\n");
 332       }
 333       ok(!inserted || inserted->ulId==item->ulId, "find got wrong item\n");
 334     }
 335     item++;
 336   }
 337
 338   /* Write the list */
 339   InitDummyStream(&streamobj);
 340
 341   hRet = pSHLWAPI_17(&streamobj, list);
 342   ok(hRet == S_OK, "write failed\n");
 343   if (hRet == S_OK)
 344   {
 345     /* 1 call for each element, + 1 for OK (use our null element for this) */
 346     ok(streamobj.writecalls == sizeof(SHLWAPI_CLIST_items)/sizeof(SHLWAPI_CLIST),
 347        "wrong call count\n");
 348     ok(streamobj.readcalls == 0,"called Read() in write\n");
 349     ok(streamobj.seekcalls == 0,"called Seek() in write\n");
 350   }
 351
 352   /* Failure cases for writing */
 353   InitDummyStream(&streamobj);
 354   streamobj.failwritecall = TRUE;
 355   hRet = pSHLWAPI_17(&streamobj, list);
 356   ok(hRet == STG_E_ACCESSDENIED, "changed object failure return\n");
 357   ok(streamobj.writecalls == 1, "called object after failure\n");
 358   ok(streamobj.readcalls == 0,"called Read() after failure\n");
 359   ok(streamobj.seekcalls == 0,"called Seek() after failure\n");
 360
 361   InitDummyStream(&streamobj);
 362   streamobj.failwritesize = TRUE;
 363   hRet = pSHLWAPI_17(&streamobj, list);
 364   ok(hRet == STG_E_MEDIUMFULL || broken(hRet == E_FAIL) /* Win7 */,
 365      "changed size failure return\n");
 366   ok(streamobj.writecalls == 1, "called object after size failure\n");
 367   ok(streamobj.readcalls == 0,"called Read() after failure\n");
 368   ok(streamobj.seekcalls == 0,"called Seek() after failure\n");
 369
 370   /* Invalid inputs for adding */
 371   inserted = (LPSHLWAPI_CLIST)buff;
 372   inserted->ulSize = sizeof(SHLWAPI_CLIST) -1;
 373   inserted->ulId = 33;
 374   hRet = pSHLWAPI_20(&list, inserted);
 375   /* The call succeeds but the item is not inserted, except on some early
 376    * versions which return failure. Wine behaves like later versions.
 377    */
 378   if (0)
 379   {
 380   ok(hRet == S_OK, "failed bad element size\n");
 381   }
 382   inserted = pSHLWAPI_22(list, 33);
 383   ok(inserted == NULL, "inserted bad element size\n");
 384
 385   inserted = (LPSHLWAPI_CLIST)buff;
 386   inserted->ulSize = 44;
 387   inserted->ulId = ~0U;
 388   hRet = pSHLWAPI_20(&list, inserted);
 389   /* See comment above, some early versions fail this call */
 390   if (0)
 391   {
 392   ok(hRet == S_OK, "failed adding a container\n");
 393   }
 394   item = SHLWAPI_CLIST_items;
 395
 396   /* Look for nonexistent item in populated list */
 397   inserted = pSHLWAPI_22(list, 99999999);
 398   ok(inserted == NULL, "found a nonexistent item\n");
 399
 400   while (item->ulSize)
 401   {
 402     /* Delete items */
 403     BOOL bRet = pSHLWAPI_21(&list, item->ulId);
 404     ok(bRet == TRUE, "couldn't find item to delete\n");
 405     item++;
 406   }
 407
 408   /* Look for nonexistent item in empty list */
 409   inserted = pSHLWAPI_22(list, 99999999);
 410   ok(inserted == NULL, "found an item in empty list\n");
 411
 412   /* Create a list by reading in data */
 413   InitDummyStream(&streamobj);
 414
 415   hRet = pSHLWAPI_18(&streamobj, &list);
 416   ok(hRet == S_OK, "failed create from Read()\n");
 417   if (hRet == S_OK)
 418   {
 419     ok(streamobj.readbeyondend == FALSE, "read beyond end\n");
 420     /* 2 calls per item, but only 1 for the terminator */
 421     ok(streamobj.readcalls == sizeof(SHLWAPI_CLIST_items)/sizeof(SHLWAPI_CLIST)*2-1,
 422        "wrong call count\n");
 423     ok(streamobj.writecalls == 0, "called Write() from create\n");
 424     ok(streamobj.seekcalls == 0,"called Seek() from create\n");
 425
 426     item = SHLWAPI_CLIST_items;
 427
 428     /* Check the items were added correctly */
 429     while (item->ulSize)
 430     {
 431       inserted = pSHLWAPI_22(list, item->ulId);
 432       ok(inserted != NULL, "lost after adding\n");
 433
 434       ok(!inserted || inserted->ulId != ~0U, "find returned a container\n");
 435
 436       /* Check size */
 437       if (inserted && inserted->ulSize & 0x3)
 438       {
 439         /* Contained */
 440         ok(inserted[-1].ulId == ~0U, "invalid size is not countained\n");
 441         ok(inserted[-1].ulSize > inserted->ulSize+sizeof(SHLWAPI_CLIST),
 442            "container too small\n");
 443       }
 444       else if (inserted)
 445       {
 446         ok(inserted->ulSize==item->ulSize+sizeof(SHLWAPI_CLIST),
 447            "id %d wrong size %d\n", inserted->ulId, inserted->ulSize);
 448       }
 449       ok(!inserted || inserted->ulId==item->ulId, "find got wrong item\n");
 450       if (inserted)
 451       {
 452         BOOL bDataOK = TRUE;
 453         LPBYTE bufftest = (LPBYTE)inserted;
 454
 455         for (i = 0; i < inserted->ulSize - sizeof(SHLWAPI_CLIST); i++)
 456           if (bufftest[sizeof(SHLWAPI_CLIST)+i] != i*2)
 457             bDataOK = FALSE;
 458
 459         ok(bDataOK == TRUE, "data corrupted on insert\n");
 460       }
 461       item++;
 462     }
 463   }
 464
 465   /* Failure cases for reading */
 466   InitDummyStream(&streamobj);
 467   streamobj.failreadcall = TRUE;
 468   hRet = pSHLWAPI_18(&streamobj, &list);
 469   ok(hRet == STG_E_ACCESSDENIED, "changed object failure return\n");
 470   ok(streamobj.readbeyondend == FALSE, "read beyond end\n");
 471   ok(streamobj.readcalls == 1, "called object after read failure\n");
 472   ok(streamobj.writecalls == 0,"called Write() after read failure\n");
 473   ok(streamobj.seekcalls == 0,"called Seek() after read failure\n");
 474
 475   /* Read returns large object */
 476   InitDummyStream(&streamobj);
 477   streamobj.readreturnlarge = TRUE;
 478   hRet = pSHLWAPI_18(&streamobj, &list);
 479   ok(hRet == S_OK, "failed create from Read() with large item\n");
 480   ok(streamobj.readbeyondend == FALSE, "read beyond end\n");
 481   ok(streamobj.readcalls == 1,"wrong call count\n");
 482   ok(streamobj.writecalls == 0,"called Write() after read failure\n");
 483   ok(streamobj.seekcalls == 2,"wrong Seek() call count (%d)\n", streamobj.seekcalls);
 484
 485   pSHLWAPI_19(list);
 486 }
 487
 488 static BOOL test_SHLWAPI_166(void)
 489 {
 490   _IDummyStream streamobj;
 491   BOOL bRet;
 492
 493   if (!pSHLWAPI_166)
 494     return FALSE;
 495
 496   InitDummyStream(&streamobj);
 497   bRet = pSHLWAPI_166(&streamobj);
 498
 499   if (bRet != TRUE)
 500     return FALSE; /* This version doesn't support stream ops on clists */
 501
 502   ok(streamobj.readcalls == 0, "called Read()\n");
 503   ok(streamobj.writecalls == 0, "called Write()\n");
 504   ok(streamobj.seekcalls == 0, "called Seek()\n");
 505   ok(streamobj.statcalls == 1, "wrong call count\n");
 506
 507   streamobj.statcalls = 0;
 508   streamobj.pos.QuadPart = 50001;
 509
 510   bRet = pSHLWAPI_166(&streamobj);
 511
 512   ok(bRet == FALSE, "failed after seek adjusted\n");
 513   ok(streamobj.readcalls == 0, "called Read()\n");
 514   ok(streamobj.writecalls == 0, "called Write()\n");
 515   ok(streamobj.seekcalls == 0, "called Seek()\n");
 516   ok(streamobj.statcalls == 1, "wrong call count\n");
 517
 518   /* Failure cases */
 519   InitDummyStream(&streamobj);
 520   streamobj.pos.QuadPart = 50001;
 521   streamobj.failstatcall = TRUE; /* 1: Stat() Bad, Read() OK */
 522   bRet = pSHLWAPI_166(&streamobj);
 523   ok(bRet == FALSE, "should be FALSE after read is OK\n");
 524   ok(streamobj.readcalls == 1, "wrong call count\n");
 525   ok(streamobj.writecalls == 0, "called Write()\n");
 526   ok(streamobj.seekcalls == 1, "wrong call count\n");
 527   ok(streamobj.statcalls == 1, "wrong call count\n");
 528   ok(streamobj.pos.QuadPart == 0, "Didn't seek to start\n");
 529
 530   InitDummyStream(&streamobj);
 531   streamobj.pos.QuadPart = 50001;
 532   streamobj.failstatcall = TRUE;
 533   streamobj.failreadcall = TRUE; /* 2: Stat() Bad, Read() Bad Also */
 534   bRet = pSHLWAPI_166(&streamobj);
 535   ok(bRet == TRUE, "Should be true after read fails\n");
 536   ok(streamobj.readcalls == 1, "wrong call count\n");
 537   ok(streamobj.writecalls == 0, "called Write()\n");
 538   ok(streamobj.seekcalls == 0, "Called Seek()\n");
 539   ok(streamobj.statcalls == 1, "wrong call count\n");
 540   ok(streamobj.pos.QuadPart == 50001, "called Seek() after read failed\n");
 541   return TRUE;
 542 }
 543
 544 static void test_SHLWAPI_184(void)
 545 {
 546   _IDummyStream streamobj;
 547   char buff[256];
 548   HRESULT hRet;
 549
 550   if (!pSHLWAPI_184)
 551     return;
 552
 553   InitDummyStream(&streamobj);
 554   hRet = pSHLWAPI_184(&streamobj, buff, sizeof(buff));
 555
 556   ok(hRet == S_OK, "failed Read()\n");
 557   ok(streamobj.readcalls == 1, "wrong call count\n");
 558   ok(streamobj.writecalls == 0, "called Write()\n");
 559   ok(streamobj.seekcalls == 0, "called Seek()\n");
 560 }
 561
 562 static void test_SHLWAPI_212(void)
 563 {
 564   _IDummyStream streamobj;
 565   char buff[256];
 566   HRESULT hRet;
 567
 568   if (!pSHLWAPI_212)
 569     return;
 570
 571   InitDummyStream(&streamobj);
 572   hRet = pSHLWAPI_212(&streamobj, buff, sizeof(buff));
 573
 574   ok(hRet == S_OK, "failed Write()\n");
 575   ok(streamobj.readcalls == 0, "called Read()\n");
 576   ok(streamobj.writecalls == 1, "wrong call count\n");
 577   ok(streamobj.seekcalls == 0, "called Seek()\n");
 578 }
 579
 580 static void test_SHLWAPI_213(void)
 581 {
 582   _IDummyStream streamobj;
 583   ULARGE_INTEGER ul;
 584   LARGE_INTEGER ll;
 585   HRESULT hRet;
 586
 587   if (!pSHLWAPI_213 || !pSHLWAPI_214)
 588     return;
 589
 590   InitDummyStream(&streamobj);
 591   ll.QuadPart = 5000l;
 592   Seek(&streamobj, ll, 0, NULL); /* Seek to 5000l */
 593
 594   streamobj.seekcalls = 0;
 595   pSHLWAPI_213(&streamobj); /* Should rewind */
 596   ok(streamobj.statcalls == 0, "called Stat()\n");
 597   ok(streamobj.readcalls == 0, "called Read()\n");
 598   ok(streamobj.writecalls == 0, "called Write()\n");
 599   ok(streamobj.seekcalls == 1, "wrong call count\n");
 600
 601   ul.QuadPart = 50001;
 602   hRet = pSHLWAPI_214(&streamobj, &ul);
 603   ok(hRet == S_OK, "failed Stat()\n");
 604   ok(ul.QuadPart == 0, "213 didn't rewind stream\n");
 605 }
 606
 607 static void test_SHLWAPI_214(void)
 608 {
 609   _IDummyStream streamobj;
 610   ULARGE_INTEGER ul;
 611   LARGE_INTEGER ll;
 612   HRESULT hRet;
 613
 614   if (!pSHLWAPI_214)
 615     return;
 616
 617   InitDummyStream(&streamobj);
 618   ll.QuadPart = 5000l;
 619   Seek(&streamobj, ll, 0, NULL);
 620   ul.QuadPart = 0;
 621   streamobj.seekcalls = 0;
 622   hRet = pSHLWAPI_214(&streamobj, &ul);
 623
 624   ok(hRet == S_OK, "failed Stat()\n");
 625   ok(streamobj.statcalls == 1, "wrong call count\n");
 626   ok(streamobj.readcalls == 0, "called Read()\n");
 627   ok(streamobj.writecalls == 0, "called Write()\n");
 628   ok(streamobj.seekcalls == 0, "called Seek()\n");
 629   ok(ul.QuadPart == 5000l, "Stat gave wrong size\n");
 630 }
 631
 632 START_TEST(clist)
 633 {
 634   if(!InitFunctionPtrs())
 635     return;
 636
 637   test_CList();
 638
 639   /* Test streaming if this version supports it */
 640   if (test_SHLWAPI_166())
 641   {
 642     test_SHLWAPI_184();
 643     test_SHLWAPI_212();
 644     test_SHLWAPI_213();
 645     test_SHLWAPI_214();
 646   }
 647 }