dlls/oleaut32/tests/usrmarshal.c

   1 /*
   2  * Marshaling Tests
   3  *
   4  * Copyright 2004 Robert Shearman
   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 <stdarg.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "objbase.h"
  28 #include "propidl.h" /* for LPSAFEARRAY_User* routines */
  29
  30 #include "wine/test.h"
  31
  32 #if (__STDC__ && !defined(_FORCENAMELESSUNION)) || defined(NONAMELESSUNION)
  33 # define V_U2(A)  ((A)->n1.n2)
  34 #else
  35 # define V_U2(A)  (*(A))
  36 #endif
  37
  38 /* doesn't work on Windows due to needing more of the
  39  * MIDL_STUB_MESSAGE structure to be filled out */
  40 #define LPSAFEARRAY_UNMARSHAL_WORKS 0
  41 #define BSTR_UNMARSHAL_WORKS 0
  42 #define VARIANT_UNMARSHAL_WORKS 1
  43
  44 static inline SF_TYPE get_union_type(SAFEARRAY *psa)
  45 {
  46     VARTYPE vt;
  47     HRESULT hr;
  48
  49     hr = SafeArrayGetVartype(psa, &vt);
  50     if (FAILED(hr))
  51     {
  52         if(psa->fFeatures & FADF_VARIANT) return SF_VARIANT;
  53
  54         switch(psa->cbElements)
  55         {
  56         case 1: vt = VT_I1; break;
  57         case 2: vt = VT_I2; break;
  58         case 4: vt = VT_I4; break;
  59         case 8: vt = VT_I8; break;
  60         default: return 0;
  61         }
  62     }
  63
  64     if (psa->fFeatures & FADF_HAVEIID)
  65         return SF_HAVEIID;
  66
  67     switch (vt)
  68     {
  69     case VT_I1:
  70     case VT_UI1:      return SF_I1;
  71     case VT_BOOL:
  72     case VT_I2:
  73     case VT_UI2:      return SF_I2;
  74     case VT_INT:
  75     case VT_UINT:
  76     case VT_I4:
  77     case VT_UI4:
  78     case VT_R4:       return SF_I4;
  79     case VT_DATE:
  80     case VT_CY:
  81     case VT_R8:
  82     case VT_I8:
  83     case VT_UI8:      return SF_I8;
  84     case VT_INT_PTR:
  85     case VT_UINT_PTR: return (sizeof(UINT_PTR) == 4 ? SF_I4 : SF_I8);
  86     case VT_BSTR:     return SF_BSTR;
  87     case VT_DISPATCH: return SF_DISPATCH;
  88     case VT_VARIANT:  return SF_VARIANT;
  89     case VT_UNKNOWN:  return SF_UNKNOWN;
  90     /* Note: Return a non-zero size to indicate vt is valid. The actual size
  91      * of a UDT is taken from the result of IRecordInfo_GetSize().
  92      */
  93     case VT_RECORD:   return SF_RECORD;
  94     default:          return SF_ERROR;
  95     }
  96 }
  97
  98 static ULONG get_cell_count(const SAFEARRAY *psa)
  99 {
 100     const SAFEARRAYBOUND* psab = psa->rgsabound;
 101     USHORT cCount = psa->cDims;
 102     ULONG ulNumCells = 1;
 103
 104     while (cCount--)
 105     {
 106          if (!psab->cElements)
 107             return 0;
 108         ulNumCells *= psab->cElements;
 109         psab++;
 110     }
 111     return ulNumCells;
 112 }
 113
 114 static void check_safearray(void *buffer, LPSAFEARRAY lpsa)
 115 {
 116     unsigned char *wiresa = buffer;
 117     VARTYPE vt;
 118     SF_TYPE sftype;
 119     ULONG cell_count;
 120
 121     if(!lpsa)
 122     {
 123         ok(*(void **)wiresa == NULL, "wiresa + 0x0 should be NULL instead of 0x%08x\n", *(DWORD *)wiresa);
 124         return;
 125     }
 126
 127     if(FAILED(SafeArrayGetVartype(lpsa, &vt)))
 128         vt = 0;
 129
 130     sftype = get_union_type(lpsa);
 131     cell_count = get_cell_count(lpsa);
 132
 133     ok(*(DWORD *)wiresa, "wiresa + 0x0 should be non-NULL instead of 0x%08x\n", *(DWORD *)wiresa); /* win2k: this is lpsa. winxp: this is 0x00000001 */
 134     wiresa += sizeof(DWORD);
 135     ok(*(DWORD *)wiresa == lpsa->cDims, "wiresa + 0x4 should be lpsa->cDims instead of 0x%08x\n", *(DWORD *)wiresa);
 136     wiresa += sizeof(DWORD);
 137     ok(*(WORD *)wiresa == lpsa->cDims, "wiresa + 0x8 should be lpsa->cDims instead of 0x%04x\n", *(WORD *)wiresa);
 138     wiresa += sizeof(WORD);
 139     ok(*(WORD *)wiresa == lpsa->fFeatures, "wiresa + 0xc should be lpsa->fFeatures instead of 0x%08x\n", *(WORD *)wiresa);
 140     wiresa += sizeof(WORD);
 141     ok(*(DWORD *)wiresa == lpsa->cbElements, "wiresa + 0x10 should be lpsa->cbElements instead of 0x%08x\n", *(DWORD *)wiresa);
 142     wiresa += sizeof(DWORD);
 143     ok(*(WORD *)wiresa == lpsa->cLocks, "wiresa + 0x16 should be lpsa->cLocks instead of 0x%04x\n", *(WORD *)wiresa);
 144     wiresa += sizeof(WORD);
 145     ok(*(WORD *)wiresa == vt, "wiresa + 0x14 should be %04x instead of 0x%04x\n", vt, *(WORD *)wiresa);
 146     wiresa += sizeof(WORD);
 147     ok(*(DWORD *)wiresa == sftype, "wiresa + 0x18 should be %08x instead of 0x%08x\n", (DWORD)sftype, *(DWORD *)wiresa);
 148     wiresa += sizeof(DWORD);
 149     ok(*(DWORD *)wiresa == cell_count, "wiresa + 0x1c should be %u instead of %u\n", cell_count, *(DWORD *)wiresa);
 150     wiresa += sizeof(DWORD);
 151     ok(*(DWORD_PTR *)wiresa == (DWORD_PTR)lpsa->pvData, "wiresa + 0x20 should be lpsa->pvData instead of 0x%08lx\n", *(DWORD_PTR *)wiresa);
 152     wiresa += sizeof(DWORD_PTR);
 153     if(sftype == SF_HAVEIID)
 154     {
 155         GUID guid;
 156         SafeArrayGetIID(lpsa, &guid);
 157         ok(IsEqualGUID(&guid, (GUID*)wiresa), "guid mismatch\n");
 158         wiresa += sizeof(GUID);
 159     }
 160     ok(!memcmp(wiresa, lpsa->rgsabound, sizeof(lpsa->rgsabound[0]) * lpsa->cDims), "bounds mismatch\n");
 161     wiresa += sizeof(lpsa->rgsabound[0]) * lpsa->cDims;
 162
 163     ok(*(DWORD *)wiresa == cell_count, "wiresa + 0x2c should be %u instead of %u\n", cell_count, *(DWORD*)wiresa);
 164     wiresa += sizeof(DWORD);
 165     /* elements are now pointed to by wiresa */
 166 }
 167
 168 static void test_marshal_LPSAFEARRAY(void)
 169 {
 170     unsigned char *buffer;
 171     unsigned long size;
 172     LPSAFEARRAY lpsa;
 173     LPSAFEARRAY lpsa2 = NULL;
 174     SAFEARRAYBOUND sab;
 175     MIDL_STUB_MESSAGE stubMsg = { 0 };
 176     USER_MARSHAL_CB umcb = { 0 };
 177     HRESULT hr;
 178     VARTYPE vt;
 179
 180     umcb.Flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 181     umcb.pReserve = NULL;
 182     umcb.pStubMsg = &stubMsg;
 183
 184     sab.lLbound = 5;
 185     sab.cElements = 10;
 186
 187     lpsa = SafeArrayCreate(VT_I2, 1, &sab);
 188     *(DWORD *)lpsa->pvData = 0xcafebabe;
 189
 190     lpsa->cLocks = 7;
 191     size = LPSAFEARRAY_UserSize(&umcb.Flags, 1, &lpsa);
 192     ok(size == 68, "size should be 68 bytes, not %ld\n", size);
 193     size = LPSAFEARRAY_UserSize(&umcb.Flags, 0, &lpsa);
 194     ok(size == 64, "size should be 64 bytes, not %ld\n", size);
 195     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 196     LPSAFEARRAY_UserMarshal(&umcb.Flags, buffer, &lpsa);
 197
 198     check_safearray(buffer, lpsa);
 199
 200     if (LPSAFEARRAY_UNMARSHAL_WORKS)
 201     {
 202         VARTYPE vt, vt2;
 203         LPSAFEARRAY_UserUnmarshal(&umcb.Flags, buffer, &lpsa2);
 204         ok(lpsa2 != NULL, "LPSAFEARRAY didn't unmarshal\n");
 205         SafeArrayGetVartype(lpsa, &vt);
 206         SafeArrayGetVartype(lpsa2, &vt2);
 207         ok(vt == vt2, "vts differ %x %x\n", vt, vt2);
 208         LPSAFEARRAY_UserFree(&umcb.Flags, &lpsa2);
 209     }
 210     HeapFree(GetProcessHeap(), 0, buffer);
 211     lpsa->cLocks = 0;
 212     SafeArrayDestroy(lpsa);
 213
 214     /* test NULL safe array */
 215     lpsa = NULL;
 216
 217     size = LPSAFEARRAY_UserSize(&umcb.Flags, 0, &lpsa);
 218     ok(size == 4, "size should be 4 bytes, not %ld\n", size);
 219     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 220     LPSAFEARRAY_UserMarshal(&umcb.Flags, buffer, &lpsa);
 221     check_safearray(buffer, lpsa);
 222
 223     if (LPSAFEARRAY_UNMARSHAL_WORKS)
 224     {
 225         LPSAFEARRAY_UserUnmarshal(&umcb.Flags, buffer, &lpsa2);
 226         ok(lpsa2 == NULL, "NULL LPSAFEARRAY didn't unmarshal\n");
 227         LPSAFEARRAY_UserFree(&umcb.Flags, &lpsa2);
 228     }
 229     HeapFree(GetProcessHeap(), 0, buffer);
 230
 231     sab.lLbound = 5;
 232     sab.cElements = 10;
 233
 234     lpsa = SafeArrayCreate(VT_R8, 1, &sab);
 235     *(double *)lpsa->pvData = 3.1415;
 236
 237     lpsa->cLocks = 7;
 238     size = LPSAFEARRAY_UserSize(&umcb.Flags, 1, &lpsa);
 239     ok(size == 128, "size should be 128 bytes, not %ld\n", size);
 240     size = LPSAFEARRAY_UserSize(&umcb.Flags, 0, &lpsa);
 241     ok(size == 128, "size should be 128 bytes, not %ld\n", size);
 242     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 243     LPSAFEARRAY_UserMarshal(&umcb.Flags, buffer, &lpsa);
 244
 245     check_safearray(buffer, lpsa);
 246
 247     HeapFree(GetProcessHeap(), 0, buffer);
 248     lpsa->cLocks = 0;
 249     SafeArrayDestroy(lpsa);
 250
 251     /* VARTYPE-less arrays can be marshaled if cbElements is 1,2,4 or 8 as type SF_In */
 252     hr = SafeArrayAllocDescriptor(1, &lpsa);
 253     ok(hr == S_OK, "saad failed %08x\n", hr);
 254     lpsa->cbElements = 8;
 255     lpsa->rgsabound[0].lLbound = 2;
 256     lpsa->rgsabound[0].cElements = 48;
 257     hr = SafeArrayAllocData(lpsa);
 258     ok(hr == S_OK, "saad failed %08x\n", hr);
 259
 260     hr = SafeArrayGetVartype(lpsa, &vt);
 261     ok(hr == E_INVALIDARG, "ret %08x\n", hr);
 262
 263     size = LPSAFEARRAY_UserSize(&umcb.Flags, 0, &lpsa);
 264     ok(size == 432, "size %ld\n", size);
 265     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 266     LPSAFEARRAY_UserMarshal(&umcb.Flags, buffer, &lpsa);
 267     check_safearray(buffer, lpsa);
 268     HeapFree(GetProcessHeap(), 0, buffer);
 269     SafeArrayDestroyData(lpsa);
 270     SafeArrayDestroyDescriptor(lpsa);
 271
 272     /* VARTYPE-less arrays with FADF_VARIANT */
 273     hr = SafeArrayAllocDescriptor(1, &lpsa);
 274     ok(hr == S_OK, "saad failed %08x\n", hr);
 275     lpsa->cbElements = 16;
 276     lpsa->fFeatures = FADF_VARIANT;
 277     lpsa->rgsabound[0].lLbound = 2;
 278     lpsa->rgsabound[0].cElements = 48;
 279     hr = SafeArrayAllocData(lpsa);
 280     ok(hr == S_OK, "saad failed %08x\n", hr);
 281
 282     hr = SafeArrayGetVartype(lpsa, &vt);
 283     ok(hr == E_INVALIDARG, "ret %08x\n", hr);
 284
 285     size = LPSAFEARRAY_UserSize(&umcb.Flags, 0, &lpsa);
 286     todo_wine
 287     ok(size == 1388, "size %ld\n", size);
 288     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 289     LPSAFEARRAY_UserMarshal(&umcb.Flags, buffer, &lpsa);
 290     check_safearray(buffer, lpsa);
 291     HeapFree(GetProcessHeap(), 0, buffer);
 292     SafeArrayDestroyData(lpsa);
 293     SafeArrayDestroyDescriptor(lpsa);
 294 }
 295
 296 static void check_bstr(void *buffer, BSTR b)
 297 {
 298     DWORD *wireb = buffer;
 299     DWORD len = SysStringByteLen(b);
 300
 301     ok(*wireb == (len + 1) / 2, "wv[0] %08x\n", *wireb);
 302     wireb++;
 303     if(b)
 304         ok(*wireb == len, "wv[1] %08x\n", *wireb);
 305     else
 306         ok(*wireb == 0xffffffff, "wv[1] %08x\n", *wireb);
 307     wireb++;
 308     ok(*wireb == (len + 1) / 2, "wv[2] %08x\n", *wireb);
 309     if(len)
 310     {
 311         wireb++;
 312         ok(!memcmp(wireb, b, (len + 1) & ~1), "strings differ\n");
 313     }
 314     return;
 315 }
 316
 317 static void test_marshal_BSTR(void)
 318 {
 319     unsigned long size;
 320     MIDL_STUB_MESSAGE stubMsg = { 0 };
 321     USER_MARSHAL_CB umcb = { 0 };
 322     unsigned char *buffer, *next;
 323     BSTR b, b2;
 324     WCHAR str[] = {'m','a','r','s','h','a','l',' ','t','e','s','t','1',0};
 325     DWORD len;
 326
 327     umcb.Flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 328     umcb.pReserve = NULL;
 329     umcb.pStubMsg = &stubMsg;
 330
 331     b = SysAllocString(str);
 332     len = SysStringLen(b);
 333     ok(len == 13, "get %d\n", len);
 334
 335     /* BSTRs are DWORD aligned */
 336     size = BSTR_UserSize(&umcb.Flags, 1, &b);
 337     ok(size == 42, "size %ld\n", size);
 338
 339     size = BSTR_UserSize(&umcb.Flags, 0, &b);
 340     ok(size == 38, "size %ld\n", size);
 341
 342     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 343     next = BSTR_UserMarshal(&umcb.Flags, buffer, &b);
 344     ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 345     check_bstr(buffer, b);
 346
 347     if (BSTR_UNMARSHAL_WORKS)
 348     {
 349         b2 = NULL;
 350         next = BSTR_UserUnmarshal(&umcb.Flags, buffer, &b2);
 351         ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 352         ok(b2 != NULL, "BSTR didn't unmarshal\n");
 353         ok(!memcmp(b, b2, (len + 1) * 2), "strings differ\n");
 354         BSTR_UserFree(&umcb.Flags, &b2);
 355     }
 356
 357     HeapFree(GetProcessHeap(), 0, buffer);
 358     SysFreeString(b);
 359
 360     b = NULL;
 361     size = BSTR_UserSize(&umcb.Flags, 0, &b);
 362     ok(size == 12, "size %ld\n", size);
 363
 364     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 365     next = BSTR_UserMarshal(&umcb.Flags, buffer, &b);
 366     ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 367
 368     check_bstr(buffer, b);
 369     if (BSTR_UNMARSHAL_WORKS)
 370     {
 371         b2 = NULL;
 372         next = BSTR_UserUnmarshal(&umcb.Flags, buffer, &b2);
 373         ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 374         ok(b2 == NULL, "NULL BSTR didn't unmarshal\n");
 375         BSTR_UserFree(&umcb.Flags, &b2);
 376     }
 377     HeapFree(GetProcessHeap(), 0, buffer);
 378
 379     b = SysAllocStringByteLen("abc", 3);
 380     *(((char*)b) + 3) = 'd';
 381     len = SysStringLen(b);
 382     ok(len == 1, "get %d\n", len);
 383     len = SysStringByteLen(b);
 384     ok(len == 3, "get %d\n", len);
 385
 386     size = BSTR_UserSize(&umcb.Flags, 0, &b);
 387     ok(size == 16, "size %ld\n", size);
 388
 389     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 390     memset(buffer, 0xcc, size);
 391     next = BSTR_UserMarshal(&umcb.Flags, buffer, &b);
 392     ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 393     check_bstr(buffer, b);
 394     ok(buffer[15] == 'd', "buffer[15] %02x\n", buffer[15]);
 395
 396     if (BSTR_UNMARSHAL_WORKS)
 397     {
 398         b2 = NULL;
 399         next = BSTR_UserUnmarshal(&umcb.Flags, buffer, &b2);
 400         ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 401         ok(b2 != NULL, "BSTR didn't unmarshal\n");
 402         ok(!memcmp(b, b2, len), "strings differ\n");
 403         BSTR_UserFree(&umcb.Flags, &b2);
 404     }
 405     HeapFree(GetProcessHeap(), 0, buffer);
 406     SysFreeString(b);
 407
 408     b = SysAllocStringByteLen("", 0);
 409     len = SysStringLen(b);
 410     ok(len == 0, "get %d\n", len);
 411     len = SysStringByteLen(b);
 412     ok(len == 0, "get %d\n", len);
 413
 414     size = BSTR_UserSize(&umcb.Flags, 0, &b);
 415     ok(size == 12, "size %ld\n", size);
 416
 417     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 418     next = BSTR_UserMarshal(&umcb.Flags, buffer, &b);
 419     ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 420     check_bstr(buffer, b);
 421
 422     if (BSTR_UNMARSHAL_WORKS)
 423     {
 424         b2 = NULL;
 425         next = BSTR_UserUnmarshal(&umcb.Flags, buffer, &b2);
 426         ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 427         ok(b2 != NULL, "NULL LPSAFEARRAY didn't unmarshal\n");
 428         len = SysStringByteLen(b2);
 429         ok(len == 0, "byte len %d\n", len);
 430         BSTR_UserFree(&umcb.Flags, &b2);
 431     }
 432     HeapFree(GetProcessHeap(), 0, buffer);
 433     SysFreeString(b);
 434 }
 435
 436 typedef struct
 437 {
 438     const IUnknownVtbl *lpVtbl;
 439     ULONG refs;
 440 } HeapUnknown;
 441
 442 static HRESULT WINAPI HeapUnknown_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
 443 {
 444     if (IsEqualIID(riid, &IID_IUnknown))
 445     {
 446         IUnknown_AddRef(iface);
 447         *ppv = (LPVOID)iface;
 448         return S_OK;
 449     }
 450     *ppv = NULL;
 451     return E_NOINTERFACE;
 452 }
 453
 454 static ULONG WINAPI HeapUnknown_AddRef(IUnknown *iface)
 455 {
 456     HeapUnknown *This = (HeapUnknown *)iface;
 457     return InterlockedIncrement((LONG*)&This->refs);
 458 }
 459
 460 static ULONG WINAPI HeapUnknown_Release(IUnknown *iface)
 461 {
 462     HeapUnknown *This = (HeapUnknown *)iface;
 463     ULONG refs = InterlockedDecrement((LONG*)&This->refs);
 464     if (!refs) HeapFree(GetProcessHeap(), 0, This);
 465     return refs;
 466 }
 467
 468 static const IUnknownVtbl HeapUnknown_Vtbl =
 469 {
 470     HeapUnknown_QueryInterface,
 471     HeapUnknown_AddRef,
 472     HeapUnknown_Release
 473 };
 474
 475 static void check_variant_header(DWORD *wirev, VARIANT *v, unsigned long size)
 476 {
 477     WORD *wp;
 478     DWORD switch_is;
 479
 480     ok(*wirev == (size + 7) >> 3, "wv[0] %08x, expected %08lx\n", *wirev, (size + 7) >> 3);
 481     wirev++;
 482     ok(*wirev == 0, "wv[1] %08x\n", *wirev);
 483     wirev++;
 484     wp = (WORD*)wirev;
 485     ok(*wp == V_VT(v), "vt %04x expected %04x\n", *wp, V_VT(v));
 486     wp++;
 487     ok(*wp == V_U2(v).wReserved1, "res1 %04x expected %04x\n", *wp, V_U2(v).wReserved1);
 488     wp++;
 489     ok(*wp == V_U2(v).wReserved2, "res2 %04x expected %04x\n", *wp, V_U2(v).wReserved2);
 490     wp++;
 491     ok(*wp == V_U2(v).wReserved3, "res3 %04x expected %04x\n", *wp, V_U2(v).wReserved3);
 492     wp++;
 493     wirev = (DWORD*)wp;
 494     switch_is = V_VT(v);
 495     if(switch_is & VT_ARRAY)
 496         switch_is &= ~VT_TYPEMASK;
 497     ok(*wirev == switch_is, "switch_is %08x expected %08x\n", *wirev, switch_is);
 498 }
 499
 500 static void test_marshal_VARIANT(void)
 501 {
 502     VARIANT v, v2;
 503     MIDL_STUB_MESSAGE stubMsg = { 0 };
 504     RPC_MESSAGE rpcMsg = { 0 };
 505     USER_MARSHAL_CB umcb = { 0 };
 506     unsigned char *buffer, *next;
 507     ULONG ul;
 508     short s;
 509     double d;
 510     DWORD *wirev;
 511     BSTR b;
 512     WCHAR str[] = {'m','a','r','s','h','a','l',' ','t','e','s','t',0};
 513     SAFEARRAYBOUND sab;
 514     LPSAFEARRAY lpsa;
 515     DECIMAL dec, dec2;
 516     HeapUnknown *heap_unknown;
 517
 518     stubMsg.RpcMsg = &rpcMsg;
 519
 520     umcb.Flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 521     umcb.pStubMsg = &stubMsg;
 522     umcb.pReserve = NULL;
 523     umcb.Signature = USER_MARSHAL_CB_SIGNATURE;
 524     umcb.CBType = USER_MARSHAL_CB_UNMARSHALL;
 525
 526     /*** I1 ***/
 527     VariantInit(&v);
 528     V_VT(&v) = VT_I1;
 529     V_I1(&v) = 0x12;
 530
 531     /* Variants have an alignment of 8 */
 532     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 1, &v);
 533     ok(stubMsg.BufferLength == 29, "size %d\n", stubMsg.BufferLength);
 534
 535     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 536     ok(stubMsg.BufferLength == 21, "size %d\n", stubMsg.BufferLength);
 537
 538     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 539     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 540     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 541     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 542     wirev = (DWORD*)buffer;
 543
 544     check_variant_header(wirev, &v, stubMsg.BufferLength);
 545     wirev += 5;
 546     ok(*(char*)wirev == V_I1(&v), "wv[5] %08x\n", *wirev);
 547     if (VARIANT_UNMARSHAL_WORKS)
 548     {
 549         VariantInit(&v2);
 550         stubMsg.Buffer = buffer;
 551         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 552         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 553         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 554         ok(V_I1(&v) == V_I1(&v2), "got i1 %x expect %x\n", V_I1(&v), V_I1(&v2));
 555
 556         VARIANT_UserFree(&umcb.Flags, &v2);
 557     }
 558     HeapFree(GetProcessHeap(), 0, buffer);
 559
 560     /*** I2 ***/
 561     VariantInit(&v);
 562     V_VT(&v) = VT_I2;
 563     V_I2(&v) = 0x1234;
 564
 565     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 566     ok(stubMsg.BufferLength == 22, "size %d\n", stubMsg.BufferLength);
 567
 568     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 569     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 570     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 571     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 572     wirev = (DWORD*)buffer;
 573
 574     check_variant_header(wirev, &v, stubMsg.BufferLength);
 575     wirev += 5;
 576     ok(*(short*)wirev == V_I2(&v), "wv[5] %08x\n", *wirev);
 577     if (VARIANT_UNMARSHAL_WORKS)
 578     {
 579         VariantInit(&v2);
 580         stubMsg.Buffer = buffer;
 581         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 582         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 583         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 584         ok(V_I2(&v) == V_I2(&v2), "got i2 %x expect %x\n", V_I2(&v), V_I2(&v2));
 585
 586         VARIANT_UserFree(&umcb.Flags, &v2);
 587     }
 588     HeapFree(GetProcessHeap(), 0, buffer);
 589
 590     /*** I2 BYREF ***/
 591     VariantInit(&v);
 592     V_VT(&v) = VT_I2 | VT_BYREF;
 593     s = 0x1234;
 594     V_I2REF(&v) = &s;
 595
 596     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 597     ok(stubMsg.BufferLength == 26, "size %d\n", stubMsg.BufferLength);
 598
 599     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 600     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 601     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 602     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 603     wirev = (DWORD*)buffer;
 604
 605     check_variant_header(wirev, &v, stubMsg.BufferLength);
 606     wirev += 5;
 607     ok(*wirev == 0x4, "wv[5] %08x\n", *wirev);
 608     wirev++;
 609     ok(*(short*)wirev == s, "wv[6] %08x\n", *wirev);
 610     if (VARIANT_UNMARSHAL_WORKS)
 611     {
 612         void *mem;
 613         VariantInit(&v2);
 614         V_VT(&v2) = VT_I2 | VT_BYREF;
 615         V_BYREF(&v2) = mem = CoTaskMemAlloc(sizeof(V_I2(&v2)));
 616         stubMsg.Buffer = buffer;
 617         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 618         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 619         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 620         ok(V_BYREF(&v2) == mem, "didn't reuse existing memory\n");
 621         ok(*V_I2REF(&v) == *V_I2REF(&v2), "got i2 ref %x expect ui4 ref %x\n", *V_I2REF(&v), *V_I2REF(&v2));
 622
 623         VARIANT_UserFree(&umcb.Flags, &v2);
 624     }
 625     HeapFree(GetProcessHeap(), 0, buffer);
 626
 627     /*** I4 ***/
 628     VariantInit(&v);
 629     V_VT(&v) = VT_I4;
 630     V_I4(&v) = 0x1234;
 631
 632     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 633     ok(stubMsg.BufferLength == 24, "size %d\n", stubMsg.BufferLength);
 634
 635     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 636     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 637     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 638     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 639     wirev = (DWORD*)buffer;
 640
 641     check_variant_header(wirev, &v, stubMsg.BufferLength);
 642     wirev += 5;
 643     ok(*wirev == V_I4(&v), "wv[5] %08x\n", *wirev);
 644
 645     if (VARIANT_UNMARSHAL_WORKS)
 646     {
 647         VariantInit(&v2);
 648         stubMsg.Buffer = buffer;
 649         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 650         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 651         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 652         ok(V_I4(&v) == V_I4(&v2), "got i4 %x expect %x\n", V_I4(&v), V_I4(&v2));
 653
 654         VARIANT_UserFree(&umcb.Flags, &v2);
 655     }
 656
 657     HeapFree(GetProcessHeap(), 0, buffer);
 658
 659     /*** UI4 ***/
 660     VariantInit(&v);
 661     V_VT(&v) = VT_UI4;
 662     V_UI4(&v) = 0x1234;
 663
 664     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 665     ok(stubMsg.BufferLength == 24, "size %d\n", stubMsg.BufferLength);
 666
 667     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 668     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 669     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 670     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 671     wirev = (DWORD*)buffer;
 672
 673     check_variant_header(wirev, &v, stubMsg.BufferLength);
 674     wirev += 5;
 675     ok(*wirev == 0x1234, "wv[5] %08x\n", *wirev);
 676     if (VARIANT_UNMARSHAL_WORKS)
 677     {
 678         VariantInit(&v2);
 679         stubMsg.Buffer = buffer;
 680         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 681         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 682         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 683         ok(V_UI4(&v) == V_UI4(&v2), "got ui4 %x expect %x\n", V_UI4(&v), V_UI4(&v2));
 684
 685         VARIANT_UserFree(&umcb.Flags, &v2);
 686     }
 687
 688     HeapFree(GetProcessHeap(), 0, buffer);
 689
 690     /*** UI4 BYREF ***/
 691     VariantInit(&v);
 692     V_VT(&v) = VT_UI4 | VT_BYREF;
 693     ul = 0x1234;
 694     V_UI4REF(&v) = &ul;
 695
 696     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 697     ok(stubMsg.BufferLength == 28, "size %d\n", stubMsg.BufferLength);
 698
 699     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 700     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 701     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 702     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 703     wirev = (DWORD*)buffer;
 704
 705     check_variant_header(wirev, &v, stubMsg.BufferLength);
 706     wirev += 5;
 707     ok(*wirev == 0x4, "wv[5] %08x\n", *wirev);
 708     wirev++;
 709     ok(*wirev == ul, "wv[6] %08x\n", *wirev);
 710
 711     if (VARIANT_UNMARSHAL_WORKS)
 712     {
 713         VariantInit(&v2);
 714         stubMsg.Buffer = buffer;
 715         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 716         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 717         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 718         ok(*V_UI4REF(&v) == *V_UI4REF(&v2), "got ui4 ref %x expect ui4 ref %x\n", *V_UI4REF(&v), *V_UI4REF(&v2));
 719
 720         VARIANT_UserFree(&umcb.Flags, &v2);
 721     }
 722     HeapFree(GetProcessHeap(), 0, buffer);
 723
 724     /*** R4 ***/
 725     VariantInit(&v);
 726     V_VT(&v) = VT_R4;
 727     V_R8(&v) = 3.1415;
 728
 729     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 730     ok(stubMsg.BufferLength == 24, "size %d\n", stubMsg.BufferLength);
 731
 732     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 733     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 734     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 735     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 736     wirev = (DWORD*)buffer;
 737
 738     check_variant_header(wirev, &v, stubMsg.BufferLength);
 739     wirev += 5;
 740     ok(*(float*)wirev == V_R4(&v), "wv[5] %08x\n", *wirev);
 741     if (VARIANT_UNMARSHAL_WORKS)
 742     {
 743         VariantInit(&v2);
 744         stubMsg.Buffer = buffer;
 745         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 746         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 747         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 748         ok(V_R4(&v) == V_R4(&v2), "got r4 %f expect %f\n", V_R4(&v), V_R4(&v2));
 749
 750         VARIANT_UserFree(&umcb.Flags, &v2);
 751     }
 752     HeapFree(GetProcessHeap(), 0, buffer);
 753
 754     /*** R8 ***/
 755     VariantInit(&v);
 756     V_VT(&v) = VT_R8;
 757     V_R8(&v) = 3.1415;
 758
 759     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 760     ok(stubMsg.BufferLength == 32, "size %d\n", stubMsg.BufferLength);
 761
 762     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 763     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 764     memset(buffer, 0xcc, stubMsg.BufferLength);
 765     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 766     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 767     wirev = (DWORD*)buffer;
 768
 769     check_variant_header(wirev, &v, stubMsg.BufferLength);
 770     wirev += 5;
 771     ok(*wirev == 0xcccccccc, "wv[5] %08x\n", *wirev); /* pad */
 772     wirev++;
 773     ok(*(double*)wirev == V_R8(&v), "wv[6] %08x, wv[7] %08x\n", *wirev, *(wirev+1));
 774     if (VARIANT_UNMARSHAL_WORKS)
 775     {
 776         VariantInit(&v2);
 777         stubMsg.Buffer = buffer;
 778         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 779         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 780         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 781         ok(V_R8(&v) == V_R8(&v2), "got r8 %f expect %f\n", V_R8(&v), V_R8(&v2));
 782
 783         VARIANT_UserFree(&umcb.Flags, &v2);
 784     }
 785     HeapFree(GetProcessHeap(), 0, buffer);
 786
 787     /*** R8 BYREF ***/
 788     VariantInit(&v);
 789     V_VT(&v) = VT_R8 | VT_BYREF;
 790     d = 3.1415;
 791     V_R8REF(&v) = &d;
 792
 793     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 794     ok(stubMsg.BufferLength == 32, "size %d\n", stubMsg.BufferLength);
 795
 796     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 797     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 798     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 799     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 800     wirev = (DWORD*)buffer;
 801
 802     check_variant_header(wirev, &v, stubMsg.BufferLength);
 803     wirev += 5;
 804     ok(*wirev == 8, "wv[5] %08x\n", *wirev);
 805     wirev++;
 806     ok(*(double*)wirev == d, "wv[6] %08x wv[7] %08x\n", *wirev, *(wirev+1));
 807     if (VARIANT_UNMARSHAL_WORKS)
 808     {
 809         VariantInit(&v2);
 810         stubMsg.Buffer = buffer;
 811         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 812         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 813         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 814         ok(*V_R8REF(&v) == *V_R8REF(&v2), "got r8 ref %f expect %f\n", *V_R8REF(&v), *V_R8REF(&v2));
 815
 816         VARIANT_UserFree(&umcb.Flags, &v2);
 817     }
 818     HeapFree(GetProcessHeap(), 0, buffer);
 819
 820     /*** VARIANT_BOOL ***/
 821     VariantInit(&v);
 822     V_VT(&v) = VT_BOOL;
 823     V_BOOL(&v) = 0x1234;
 824
 825     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 826     ok(stubMsg.BufferLength == 22, "size %d\n", stubMsg.BufferLength);
 827
 828     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 829     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 830     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 831     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 832     wirev = (DWORD*)buffer;
 833
 834     check_variant_header(wirev, &v, stubMsg.BufferLength);
 835     wirev += 5;
 836     ok(*(short*)wirev == V_BOOL(&v), "wv[5] %04x\n", *(WORD*)wirev);
 837     if (VARIANT_UNMARSHAL_WORKS)
 838     {
 839         VariantInit(&v2);
 840         stubMsg.Buffer = buffer;
 841         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 842         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 843         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 844         ok(V_BOOL(&v) == V_BOOL(&v2), "got bool %x expect %x\n", V_BOOL(&v), V_BOOL(&v2));
 845
 846         VARIANT_UserFree(&umcb.Flags, &v2);
 847     }
 848     HeapFree(GetProcessHeap(), 0, buffer);
 849
 850     /*** DECIMAL ***/
 851     VarDecFromI4(0x12345678, &dec);
 852     VariantInit(&v);
 853     V_DECIMAL(&v) = dec;
 854     V_VT(&v) = VT_DECIMAL;
 855
 856     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 857     ok(stubMsg.BufferLength == 40, "size %d\n", stubMsg.BufferLength);
 858
 859     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 860     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 861     memset(buffer, 0xcc, stubMsg.BufferLength);
 862     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 863     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 864     wirev = (DWORD*)buffer;
 865
 866     check_variant_header(wirev, &v, stubMsg.BufferLength);
 867     wirev += 5;
 868     ok(*wirev == 0xcccccccc, "wirev[5] %08x\n", *wirev); /* pad */
 869     wirev++;
 870     dec2 = dec;
 871     dec2.wReserved = VT_DECIMAL;
 872     ok(!memcmp(wirev, &dec2, sizeof(dec2)), "wirev[6] %08x wirev[7] %08x wirev[8] %08x wirev[9] %08x\n",
 873        *wirev, *(wirev + 1), *(wirev + 2), *(wirev + 3));
 874     if (VARIANT_UNMARSHAL_WORKS)
 875     {
 876         VariantInit(&v2);
 877         stubMsg.Buffer = buffer;
 878         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 879         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 880         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 881         ok(!memcmp(&V_DECIMAL(&v), & V_DECIMAL(&v2), sizeof(DECIMAL)), "decimals differ\n");
 882
 883         VARIANT_UserFree(&umcb.Flags, &v2);
 884     }
 885     HeapFree(GetProcessHeap(), 0, buffer);
 886
 887     /*** DECIMAL BYREF ***/
 888     VariantInit(&v);
 889     V_VT(&v) = VT_DECIMAL | VT_BYREF;
 890     V_DECIMALREF(&v) = &dec;
 891
 892     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 893     ok(stubMsg.BufferLength == 40, "size %d\n", stubMsg.BufferLength);
 894
 895     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 896     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 897     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 898     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 899     wirev = (DWORD*)buffer;
 900
 901     check_variant_header(wirev, &v, stubMsg.BufferLength);
 902     wirev += 5;
 903     ok(*wirev == 16, "wv[5] %08x\n", *wirev);
 904     wirev++;
 905     ok(!memcmp(wirev, &dec, sizeof(dec)), "wirev[6] %08x wirev[7] %08x wirev[8] %08x wirev[9] %08x\n", *wirev, *(wirev + 1), *(wirev + 2), *(wirev + 3));
 906     if (VARIANT_UNMARSHAL_WORKS)
 907     {
 908         VariantInit(&v2);
 909         stubMsg.Buffer = buffer;
 910         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 911         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 912         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 913         ok(!memcmp(V_DECIMALREF(&v), V_DECIMALREF(&v2), sizeof(DECIMAL)), "decimals differ\n");
 914
 915         VARIANT_UserFree(&umcb.Flags, &v2);
 916     }
 917     HeapFree(GetProcessHeap(), 0, buffer);
 918
 919     /*** EMPTY ***/
 920     VariantInit(&v);
 921     V_VT(&v) = VT_EMPTY;
 922
 923     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 924     ok(stubMsg.BufferLength == 20, "size %d\n", stubMsg.BufferLength);
 925
 926     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 927     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 928     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 929     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 930     wirev = (DWORD*)buffer;
 931
 932     check_variant_header(wirev, &v, stubMsg.BufferLength);
 933     if (VARIANT_UNMARSHAL_WORKS)
 934     {
 935         VariantInit(&v2);
 936         stubMsg.Buffer = buffer;
 937         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 938         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 939         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 940
 941         VARIANT_UserFree(&umcb.Flags, &v2);
 942     }
 943     HeapFree(GetProcessHeap(), 0, buffer);
 944
 945     /*** NULL ***/
 946     VariantInit(&v);
 947     V_VT(&v) = VT_NULL;
 948
 949     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 950     ok(stubMsg.BufferLength == 20, "size %d\n", stubMsg.BufferLength);
 951
 952     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 953     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 954     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 955     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 956     wirev = (DWORD*)buffer;
 957
 958     check_variant_header(wirev, &v, stubMsg.BufferLength);
 959     if (VARIANT_UNMARSHAL_WORKS)
 960     {
 961         VariantInit(&v2);
 962         stubMsg.Buffer = buffer;
 963         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 964         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 965         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 966
 967         VARIANT_UserFree(&umcb.Flags, &v2);
 968     }
 969     HeapFree(GetProcessHeap(), 0, buffer);
 970
 971     /*** BSTR ***/
 972     b = SysAllocString(str);
 973     VariantInit(&v);
 974     V_VT(&v) = VT_BSTR;
 975     V_BSTR(&v) = b;
 976
 977     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 978     ok(stubMsg.BufferLength == 60, "size %d\n", stubMsg.BufferLength);
 979     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
 980     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 981     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 982     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 983     wirev = (DWORD*)buffer;
 984
 985     check_variant_header(wirev, &v, stubMsg.BufferLength);
 986     wirev += 5;
 987     ok(*wirev, "wv[5] %08x\n", *wirev); /* win2k: this is b. winxp: this is (char*)b + 1 */
 988     wirev++;
 989     check_bstr(wirev, V_BSTR(&v));
 990     if (VARIANT_UNMARSHAL_WORKS)
 991     {
 992         VariantInit(&v2);
 993         stubMsg.Buffer = buffer;
 994         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 995         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 996         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 997         ok(SysStringByteLen(V_BSTR(&v)) == SysStringByteLen(V_BSTR(&v2)), "bstr string lens differ\n");
 998         ok(!memcmp(V_BSTR(&v), V_BSTR(&v2), SysStringByteLen(V_BSTR(&v))), "bstrs differ\n");
 999
1000         VARIANT_UserFree(&umcb.Flags, &v2);
1001     }
1002     HeapFree(GetProcessHeap(), 0, buffer);
1003
1004     /*** BSTR BYREF ***/
1005     VariantInit(&v);
1006     V_VT(&v) = VT_BSTR | VT_BYREF;
1007     V_BSTRREF(&v) = &b;
1008
1009     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1010     ok(stubMsg.BufferLength == 64, "size %d\n", stubMsg.BufferLength);
1011     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
1012     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1013     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1014     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1015     wirev = (DWORD*)buffer;
1016
1017     check_variant_header(wirev, &v, stubMsg.BufferLength);
1018     wirev += 5;
1019     ok(*wirev == 0x4, "wv[5] %08x\n", *wirev);
1020     wirev++;
1021     ok(*wirev, "wv[6] %08x\n", *wirev); /* win2k: this is b. winxp: this is (char*)b + 1 */
1022     wirev++;
1023     check_bstr(wirev, b);
1024     if (VARIANT_UNMARSHAL_WORKS)
1025     {
1026         VariantInit(&v2);
1027         stubMsg.Buffer = buffer;
1028         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
1029         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1030         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
1031         ok(SysStringByteLen(*V_BSTRREF(&v)) == SysStringByteLen(*V_BSTRREF(&v2)), "bstr string lens differ\n");
1032         ok(!memcmp(*V_BSTRREF(&v), *V_BSTRREF(&v2), SysStringByteLen(*V_BSTRREF(&v))), "bstrs differ\n");
1033
1034         VARIANT_UserFree(&umcb.Flags, &v2);
1035     }
1036     HeapFree(GetProcessHeap(), 0, buffer);
1037     SysFreeString(b);
1038
1039     /*** ARRAY ***/
1040     sab.lLbound = 5;
1041     sab.cElements = 10;
1042
1043     lpsa = SafeArrayCreate(VT_R8, 1, &sab);
1044     *(DWORD *)lpsa->pvData = 0xcafebabe;
1045     *((DWORD *)lpsa->pvData + 1) = 0xdeadbeef;
1046
1047     VariantInit(&v);
1048     V_VT(&v) = VT_UI4 | VT_ARRAY;
1049     V_ARRAY(&v) = lpsa;
1050
1051     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1052     ok(stubMsg.BufferLength == 152, "size %d\n", stubMsg.BufferLength);
1053     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
1054     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1055     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1056     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1057     wirev = (DWORD*)buffer;
1058
1059     check_variant_header(wirev, &v, stubMsg.BufferLength);
1060     wirev += 5;
1061     ok(*wirev, "wv[5] %08x\n", *wirev); /* win2k: this is lpsa. winxp: this is (char*)lpsa + 1 */
1062     wirev++;
1063     check_safearray(wirev, lpsa);
1064     if (VARIANT_UNMARSHAL_WORKS)
1065     {
1066         LONG bound, bound2;
1067         VARTYPE vt, vt2;
1068         VariantInit(&v2);
1069         stubMsg.Buffer = buffer;
1070         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
1071         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1072         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
1073         ok(SafeArrayGetDim(V_ARRAY(&v)) == SafeArrayGetDim(V_ARRAY(&v)), "array dims differ\n");
1074         SafeArrayGetLBound(V_ARRAY(&v), 1, &bound);
1075         SafeArrayGetLBound(V_ARRAY(&v2), 1, &bound2);
1076         ok(bound == bound2, "array lbounds differ\n");
1077         SafeArrayGetUBound(V_ARRAY(&v), 1, &bound);
1078         SafeArrayGetUBound(V_ARRAY(&v2), 1, &bound2);
1079         ok(bound == bound2, "array ubounds differ\n");
1080         SafeArrayGetVartype(V_ARRAY(&v), &vt);
1081         SafeArrayGetVartype(V_ARRAY(&v2), &vt2);
1082         ok(vt == vt2, "array vts differ %x %x\n", vt, vt2);
1083         VARIANT_UserFree(&umcb.Flags, &v2);
1084     }
1085     HeapFree(GetProcessHeap(), 0, buffer);
1086
1087     /*** ARRAY BYREF ***/
1088     VariantInit(&v);
1089     V_VT(&v) = VT_UI4 | VT_ARRAY | VT_BYREF;
1090     V_ARRAYREF(&v) = &lpsa;
1091
1092     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1093     ok(stubMsg.BufferLength == 152, "size %d\n", stubMsg.BufferLength);
1094     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
1095     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1096     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1097     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1098     wirev = (DWORD*)buffer;
1099
1100     check_variant_header(wirev, &v, stubMsg.BufferLength);
1101     wirev += 5;
1102     ok(*wirev == 4, "wv[5] %08x\n", *wirev);
1103     wirev++;
1104     ok(*wirev, "wv[6] %08x\n", *wirev); /* win2k: this is lpsa. winxp: this is (char*)lpsa + 1 */
1105     wirev++;
1106     check_safearray(wirev, lpsa);
1107     if (VARIANT_UNMARSHAL_WORKS)
1108     {
1109         LONG bound, bound2;
1110         VARTYPE vt, vt2;
1111         VariantInit(&v2);
1112         stubMsg.Buffer = buffer;
1113         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
1114         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1115         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
1116         ok(SafeArrayGetDim(*V_ARRAYREF(&v)) == SafeArrayGetDim(*V_ARRAYREF(&v)), "array dims differ\n");
1117         SafeArrayGetLBound(*V_ARRAYREF(&v), 1, &bound);
1118         SafeArrayGetLBound(*V_ARRAYREF(&v2), 1, &bound2);
1119         ok(bound == bound2, "array lbounds differ\n");
1120         SafeArrayGetUBound(*V_ARRAYREF(&v), 1, &bound);
1121         SafeArrayGetUBound(*V_ARRAYREF(&v2), 1, &bound2);
1122         ok(bound == bound2, "array ubounds differ\n");
1123         SafeArrayGetVartype(*V_ARRAYREF(&v), &vt);
1124         SafeArrayGetVartype(*V_ARRAYREF(&v2), &vt2);
1125         ok(vt == vt2, "array vts differ %x %x\n", vt, vt2);
1126         VARIANT_UserFree(&umcb.Flags, &v2);
1127     }
1128     HeapFree(GetProcessHeap(), 0, buffer);
1129     SafeArrayDestroy(lpsa);
1130
1131     /*** VARIANT BYREF ***/
1132     VariantInit(&v);
1133     VariantInit(&v2);
1134     V_VT(&v2) = VT_R8;
1135     V_R8(&v2) = 3.1415;
1136     V_VT(&v) = VT_VARIANT | VT_BYREF;
1137     V_VARIANTREF(&v) = &v2;
1138
1139     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1140     ok(stubMsg.BufferLength == 64, "size %d\n", stubMsg.BufferLength);
1141     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
1142     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1143     memset(buffer, 0xcc, stubMsg.BufferLength);
1144     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1145     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1146     wirev = (DWORD*)buffer;
1147     check_variant_header(wirev, &v, stubMsg.BufferLength);
1148     wirev += 5;
1149
1150     ok(*wirev == 16, "wv[5] %08x\n", *wirev);
1151     wirev++;
1152     ok(*wirev == ('U' | 's' << 8 | 'e' << 16 | 'r' << 24), "wv[6] %08x\n", *wirev); /* 'User' */
1153     wirev++;
1154     ok(*wirev == 0xcccccccc, "wv[7] %08x\n", *wirev); /* pad */
1155     wirev++;
1156     check_variant_header(wirev, &v2, stubMsg.BufferLength - 32);
1157     wirev += 5;
1158     ok(*wirev == 0xcccccccc, "wv[13] %08x\n", *wirev); /* pad for VT_R8 */
1159     wirev++;
1160     ok(*(double*)wirev == V_R8(&v2), "wv[6] %08x wv[7] %08x\n", *wirev, *(wirev+1));
1161     if (VARIANT_UNMARSHAL_WORKS)
1162     {
1163         VARIANT v3;
1164         VariantInit(&v3);
1165         stubMsg.Buffer = buffer;
1166         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v3);
1167         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1168         ok(V_VT(&v) == V_VT(&v3), "got vt %d expect %d\n", V_VT(&v), V_VT(&v3));
1169         ok(V_VT(V_VARIANTREF(&v)) == V_VT(V_VARIANTREF(&v3)), "vts differ %x %x\n",
1170            V_VT(V_VARIANTREF(&v)), V_VT(V_VARIANTREF(&v3)));
1171         ok(V_R8(V_VARIANTREF(&v)) == V_R8(V_VARIANTREF(&v3)), "r8s differ\n");
1172         VARIANT_UserFree(&umcb.Flags, &v3);
1173     }
1174     HeapFree(GetProcessHeap(), 0, buffer);
1175
1176     /*** UNKNOWN ***/
1177     heap_unknown = HeapAlloc(GetProcessHeap(), 0, sizeof(*heap_unknown));
1178     heap_unknown->lpVtbl = &HeapUnknown_Vtbl;
1179     heap_unknown->refs = 1;
1180     VariantInit(&v);
1181     VariantInit(&v2);
1182     V_VT(&v) = VT_UNKNOWN;
1183     V_UNKNOWN(&v) = (IUnknown *)heap_unknown;
1184
1185     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1186     ok(stubMsg.BufferLength > 32, "size %d\n", stubMsg.BufferLength);
1187     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
1188     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1189     memset(buffer, 0xcc, stubMsg.BufferLength);
1190     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1191     wirev = (DWORD*)buffer;
1192     check_variant_header(wirev, &v, next - buffer);
1193     wirev += 5;
1194
1195     todo_wine
1196     ok(*wirev == (DWORD_PTR)V_UNKNOWN(&v) /* Win9x */ ||
1197        *wirev == (DWORD_PTR)V_UNKNOWN(&v) + 1 /* NT */, "wv[5] %08x\n", *wirev);
1198     wirev++;
1199     todo_wine
1200     ok(*wirev == next - buffer - 0x20, "wv[6] %08x\n", *wirev);
1201     wirev++;
1202     todo_wine
1203     ok(*wirev == next - buffer - 0x20, "wv[7] %08x\n", *wirev);
1204     wirev++;
1205     todo_wine
1206     ok(*wirev == 0x574f454d, "wv[8] %08x\n", *wirev);
1207     if (VARIANT_UNMARSHAL_WORKS)
1208     {
1209         VARIANT v3;
1210         VariantInit(&v3);
1211         V_VT(&v3) = VT_UNKNOWN;
1212         V_UNKNOWN(&v3) = (IUnknown *)heap_unknown;
1213         IUnknown_AddRef(V_UNKNOWN(&v3));
1214         stubMsg.Buffer = buffer;
1215         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v3);
1216         ok(V_VT(&v) == V_VT(&v3), "got vt %d expect %d\n", V_VT(&v), V_VT(&v3));
1217         ok(V_UNKNOWN(&v) == V_UNKNOWN(&v3), "got %p expect %p\n", V_UNKNOWN(&v), V_UNKNOWN(&v3));
1218         VARIANT_UserFree(&umcb.Flags, &v3);
1219         ok(heap_unknown->refs == 1, "%d refcounts of IUnknown leaked\n", heap_unknown->refs - 1);
1220         IUnknown_Release((IUnknown *)heap_unknown);
1221     }
1222     HeapFree(GetProcessHeap(), 0, buffer);
1223
1224     /*** UNKNOWN BYREF ***/
1225     heap_unknown = HeapAlloc(GetProcessHeap(), 0, sizeof(*heap_unknown));
1226     heap_unknown->lpVtbl = &HeapUnknown_Vtbl;
1227     heap_unknown->refs = 1;
1228     VariantInit(&v);
1229     VariantInit(&v2);
1230     V_VT(&v) = VT_UNKNOWN | VT_BYREF;
1231     V_UNKNOWNREF(&v) = (IUnknown **)&heap_unknown;
1232
1233     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1234     ok(stubMsg.BufferLength > 36, "size %d\n", stubMsg.BufferLength);
1235     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = HeapAlloc(GetProcessHeap(), 0, stubMsg.BufferLength);
1236     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1237     memset(buffer, 0xcc, stubMsg.BufferLength);
1238     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1239     wirev = (DWORD*)buffer;
1240     check_variant_header(wirev, &v, next - buffer);
1241     wirev += 5;
1242
1243     ok(*wirev == 4, "wv[5] %08x\n", *wirev);
1244     wirev++;
1245     todo_wine
1246     ok(*wirev == (DWORD_PTR)heap_unknown /* Win9x, Win2000 */ ||
1247        *wirev == (DWORD_PTR)heap_unknown + 1 /* XP */, "wv[6] %08x\n", *wirev);
1248     wirev++;
1249     todo_wine
1250     ok(*wirev == next - buffer - 0x24, "wv[7] %08x\n", *wirev);
1251     wirev++;
1252     todo_wine
1253     ok(*wirev == next - buffer - 0x24, "wv[8] %08x\n", *wirev);
1254     wirev++;
1255     todo_wine
1256     ok(*wirev == 0x574f454d, "wv[9] %08x\n", *wirev);
1257     if (VARIANT_UNMARSHAL_WORKS)
1258     {
1259         VARIANT v3;
1260         VariantInit(&v3);
1261         V_VT(&v3) = VT_UNKNOWN;
1262         V_UNKNOWN(&v3) = (IUnknown *)heap_unknown;
1263         IUnknown_AddRef(V_UNKNOWN(&v3));
1264         stubMsg.Buffer = buffer;
1265         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v3);
1266         ok(V_VT(&v) == V_VT(&v3), "got vt %d expect %d\n", V_VT(&v), V_VT(&v3));
1267         ok(*V_UNKNOWNREF(&v) == *V_UNKNOWNREF(&v3), "got %p expect %p\n", *V_UNKNOWNREF(&v), *V_UNKNOWNREF(&v3));
1268         VARIANT_UserFree(&umcb.Flags, &v3);
1269         ok(heap_unknown->refs == 1, "%d refcounts of IUnknown leaked\n", heap_unknown->refs - 1);
1270         IUnknown_Release((IUnknown *)heap_unknown);
1271     }
1272     HeapFree(GetProcessHeap(), 0, buffer);
1273 }
1274
1275
1276 START_TEST(usrmarshal)
1277 {
1278     CoInitialize(NULL);
1279
1280     test_marshal_LPSAFEARRAY();
1281     test_marshal_BSTR();
1282     test_marshal_VARIANT();
1283
1284     CoUninitialize();
1285 }