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 #define LPSAFEARRAY_UNMARSHAL_WORKS 1
  39 #define BSTR_UNMARSHAL_WORKS 1
  40 #define VARIANT_UNMARSHAL_WORKS 1
  41
  42 static inline SF_TYPE get_union_type(SAFEARRAY *psa)
  43 {
  44     VARTYPE vt;
  45     HRESULT hr;
  46
  47     hr = SafeArrayGetVartype(psa, &vt);
  48     if (FAILED(hr))
  49     {
  50         if(psa->fFeatures & FADF_VARIANT) return SF_VARIANT;
  51
  52         switch(psa->cbElements)
  53         {
  54         case 1: vt = VT_I1; break;
  55         case 2: vt = VT_I2; break;
  56         case 4: vt = VT_I4; break;
  57         case 8: vt = VT_I8; break;
  58         default: return 0;
  59         }
  60     }
  61
  62     if (psa->fFeatures & FADF_HAVEIID)
  63         return SF_HAVEIID;
  64
  65     switch (vt)
  66     {
  67     case VT_I1:
  68     case VT_UI1:      return SF_I1;
  69     case VT_BOOL:
  70     case VT_I2:
  71     case VT_UI2:      return SF_I2;
  72     case VT_INT:
  73     case VT_UINT:
  74     case VT_I4:
  75     case VT_UI4:
  76     case VT_R4:       return SF_I4;
  77     case VT_DATE:
  78     case VT_CY:
  79     case VT_R8:
  80     case VT_I8:
  81     case VT_UI8:      return SF_I8;
  82     case VT_INT_PTR:
  83     case VT_UINT_PTR: return (sizeof(UINT_PTR) == 4 ? SF_I4 : SF_I8);
  84     case VT_BSTR:     return SF_BSTR;
  85     case VT_DISPATCH: return SF_DISPATCH;
  86     case VT_VARIANT:  return SF_VARIANT;
  87     case VT_UNKNOWN:  return SF_UNKNOWN;
  88     /* Note: Return a non-zero size to indicate vt is valid. The actual size
  89      * of a UDT is taken from the result of IRecordInfo_GetSize().
  90      */
  91     case VT_RECORD:   return SF_RECORD;
  92     default:          return SF_ERROR;
  93     }
  94 }
  95
  96 static ULONG get_cell_count(const SAFEARRAY *psa)
  97 {
  98     const SAFEARRAYBOUND* psab = psa->rgsabound;
  99     USHORT cCount = psa->cDims;
 100     ULONG ulNumCells = 1;
 101
 102     while (cCount--)
 103     {
 104          if (!psab->cElements)
 105             return 0;
 106         ulNumCells *= psab->cElements;
 107         psab++;
 108     }
 109     return ulNumCells;
 110 }
 111
 112 static DWORD elem_wire_size(LPSAFEARRAY lpsa, SF_TYPE sftype)
 113 {
 114     if (sftype == SF_BSTR)
 115         return sizeof(DWORD);
 116     else
 117         return lpsa->cbElements;
 118 }
 119
 120 static void check_safearray(void *buffer, LPSAFEARRAY lpsa)
 121 {
 122     unsigned char *wiresa = buffer;
 123     VARTYPE vt;
 124     SF_TYPE sftype;
 125     ULONG cell_count;
 126
 127     if(!lpsa)
 128     {
 129         ok(*(DWORD *)wiresa == 0, "wiresa + 0x0 should be NULL instead of 0x%08x\n", *(DWORD *)wiresa);
 130         return;
 131     }
 132
 133     if(FAILED(SafeArrayGetVartype(lpsa, &vt)))
 134         vt = 0;
 135
 136     sftype = get_union_type(lpsa);
 137     cell_count = get_cell_count(lpsa);
 138
 139     ok(*(DWORD *)wiresa, "wiresa + 0x0 should be non-NULL instead of 0x%08x\n", *(DWORD *)wiresa); /* win2k: this is lpsa. winxp: this is 0x00000001 */
 140     wiresa += sizeof(DWORD);
 141     ok(*(DWORD *)wiresa == lpsa->cDims, "wiresa + 0x4 should be lpsa->cDims instead of 0x%08x\n", *(DWORD *)wiresa);
 142     wiresa += sizeof(DWORD);
 143     ok(*(WORD *)wiresa == lpsa->cDims, "wiresa + 0x8 should be lpsa->cDims instead of 0x%04x\n", *(WORD *)wiresa);
 144     wiresa += sizeof(WORD);
 145     ok(*(WORD *)wiresa == lpsa->fFeatures, "wiresa + 0xa should be lpsa->fFeatures instead of 0x%08x\n", *(WORD *)wiresa);
 146     wiresa += sizeof(WORD);
 147     ok(*(DWORD *)wiresa == elem_wire_size(lpsa, sftype), "wiresa + 0xc should be 0x%08x instead of 0x%08x\n", elem_wire_size(lpsa, sftype), *(DWORD *)wiresa);
 148     wiresa += sizeof(DWORD);
 149     ok(*(WORD *)wiresa == lpsa->cLocks, "wiresa + 0x10 should be lpsa->cLocks instead of 0x%04x\n", *(WORD *)wiresa);
 150     wiresa += sizeof(WORD);
 151     ok(*(WORD *)wiresa == vt, "wiresa + 0x12 should be %04x instead of 0x%04x\n", vt, *(WORD *)wiresa);
 152     wiresa += sizeof(WORD);
 153     ok(*(DWORD *)wiresa == sftype, "wiresa + 0x14 should be %08x instead of 0x%08x\n", (DWORD)sftype, *(DWORD *)wiresa);
 154     wiresa += sizeof(DWORD);
 155     ok(*(DWORD *)wiresa == cell_count, "wiresa + 0x18 should be %u instead of %u\n", cell_count, *(DWORD *)wiresa);
 156     wiresa += sizeof(DWORD);
 157     ok(*(DWORD *)wiresa, "wiresa + 0x1c should be non-zero instead of 0x%08x\n", *(DWORD *)wiresa);
 158     wiresa += sizeof(DWORD);
 159     if(sftype == SF_HAVEIID)
 160     {
 161         GUID guid;
 162         SafeArrayGetIID(lpsa, &guid);
 163         ok(IsEqualGUID(&guid, wiresa), "guid mismatch\n");
 164         wiresa += sizeof(GUID);
 165     }
 166     ok(!memcmp(wiresa, lpsa->rgsabound, sizeof(lpsa->rgsabound[0]) * lpsa->cDims), "bounds mismatch\n");
 167     wiresa += sizeof(lpsa->rgsabound[0]) * lpsa->cDims;
 168
 169     ok(*(DWORD *)wiresa == cell_count, "wiresa + 0x28 should be %u instead of %u\n", cell_count, *(DWORD*)wiresa);
 170     wiresa += sizeof(DWORD);
 171     /* elements are now pointed to by wiresa */
 172 }
 173
 174 static void * WINAPI user_allocate(SIZE_T size)
 175 {
 176     return CoTaskMemAlloc(size);
 177 }
 178
 179 static void WINAPI user_free(void *p)
 180 {
 181     CoTaskMemFree(p);
 182 }
 183
 184 static void init_user_marshal_cb(USER_MARSHAL_CB *umcb,
 185                                  PMIDL_STUB_MESSAGE stub_msg,
 186                                  PRPC_MESSAGE rpc_msg, unsigned char *buffer,
 187                                  unsigned int size, MSHCTX context)
 188 {
 189     memset(rpc_msg, 0, sizeof(*rpc_msg));
 190     rpc_msg->Buffer = buffer;
 191     rpc_msg->BufferLength = size;
 192
 193     memset(stub_msg, 0, sizeof(*stub_msg));
 194     stub_msg->RpcMsg = rpc_msg;
 195     stub_msg->Buffer = buffer;
 196     stub_msg->pfnAllocate = user_allocate;
 197     stub_msg->pfnFree = user_free;
 198
 199     memset(umcb, 0, sizeof(*umcb));
 200     umcb->Flags = MAKELONG(context, NDR_LOCAL_DATA_REPRESENTATION);
 201     umcb->pStubMsg = stub_msg;
 202     umcb->Signature = USER_MARSHAL_CB_SIGNATURE;
 203     umcb->CBType = buffer ? USER_MARSHAL_CB_UNMARSHALL : USER_MARSHAL_CB_BUFFER_SIZE;
 204 }
 205
 206 static void test_marshal_LPSAFEARRAY(void)
 207 {
 208     unsigned char *buffer, *next;
 209     ULONG size, expected;
 210     LPSAFEARRAY lpsa;
 211     LPSAFEARRAY lpsa2 = NULL;
 212     SAFEARRAYBOUND sab;
 213     RPC_MESSAGE rpc_msg;
 214     MIDL_STUB_MESSAGE stub_msg;
 215     USER_MARSHAL_CB umcb;
 216     HRESULT hr;
 217     VARTYPE vt;
 218     OLECHAR *values[10];
 219     int expected_bstr_size;
 220     int i;
 221     LONG indices[1];
 222
 223     sab.lLbound = 5;
 224     sab.cElements = 10;
 225
 226     lpsa = SafeArrayCreate(VT_I2, 1, &sab);
 227     *(DWORD *)lpsa->pvData = 0xcafebabe;
 228
 229     lpsa->cLocks = 7;
 230     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 231     size = LPSAFEARRAY_UserSize(&umcb.Flags, 1, &lpsa);
 232     expected = (44 + 1 + sizeof(ULONG) - 1) & ~(sizeof(ULONG) - 1);
 233     expected += sab.cElements * sizeof(USHORT);
 234     ok(size == expected || size == expected + 12, /* win64 */
 235        "size should be %u bytes, not %u\n", expected, size);
 236     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 237     size = LPSAFEARRAY_UserSize(&umcb.Flags, 0, &lpsa);
 238     expected = 44 + sab.cElements * sizeof(USHORT);
 239     ok(size == expected || size == expected + 12, /* win64 */
 240        "size should be %u bytes, not %u\n", expected, size);
 241     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 242     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 243     next = LPSAFEARRAY_UserMarshal(&umcb.Flags, buffer, &lpsa);
 244     ok(next - buffer == expected, "Marshaled %u bytes, expected %u\n", (ULONG) (next - buffer), expected);
 245
 246     check_safearray(buffer, lpsa);
 247
 248     if (LPSAFEARRAY_UNMARSHAL_WORKS)
 249     {
 250         VARTYPE vt, vt2;
 251         init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 252         LPSAFEARRAY_UserUnmarshal(&umcb.Flags, buffer, &lpsa2);
 253         ok(lpsa2 != NULL, "LPSAFEARRAY didn't unmarshal\n");
 254         SafeArrayGetVartype(lpsa, &vt);
 255         SafeArrayGetVartype(lpsa2, &vt2);
 256         ok(vt == vt2, "vts differ %x %x\n", vt, vt2);
 257         init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 258         LPSAFEARRAY_UserFree(&umcb.Flags, &lpsa2);
 259     }
 260     HeapFree(GetProcessHeap(), 0, buffer);
 261     lpsa->cLocks = 0;
 262     SafeArrayDestroy(lpsa);
 263
 264     /* test NULL safe array */
 265     lpsa = NULL;
 266
 267     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 268     size = LPSAFEARRAY_UserSize(&umcb.Flags, 0, &lpsa);
 269     expected = 4;
 270     ok(size == expected, "size should be 4 bytes, not %d\n", size);
 271     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 272     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 273     next = LPSAFEARRAY_UserMarshal(&umcb.Flags, buffer, &lpsa);
 274     ok(next - buffer == expected, "Marshaled %u bytes, expected %u\n", (ULONG) (next - buffer), expected);
 275     check_safearray(buffer, lpsa);
 276
 277     if (LPSAFEARRAY_UNMARSHAL_WORKS)
 278     {
 279         init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 280         LPSAFEARRAY_UserUnmarshal(&umcb.Flags, buffer, &lpsa2);
 281         ok(lpsa2 == NULL, "NULL LPSAFEARRAY didn't unmarshal\n");
 282         init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 283         LPSAFEARRAY_UserFree(&umcb.Flags, &lpsa2);
 284     }
 285     HeapFree(GetProcessHeap(), 0, buffer);
 286
 287     sab.lLbound = 5;
 288     sab.cElements = 10;
 289
 290     lpsa = SafeArrayCreate(VT_R8, 1, &sab);
 291     *(double *)lpsa->pvData = 3.1415;
 292
 293     lpsa->cLocks = 7;
 294     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 295     size = LPSAFEARRAY_UserSize(&umcb.Flags, 1, &lpsa);
 296     expected = (44 + 1 + (sizeof(double) - 1)) & ~(sizeof(double) - 1);
 297     expected += sab.cElements * sizeof(double);
 298     ok(size == expected || size == expected + 16, /* win64 */
 299        "size should be %u bytes, not %u\n", expected, size);
 300     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 301     expected = (44 + (sizeof(double) - 1)) & ~(sizeof(double) - 1);
 302     expected += sab.cElements * sizeof(double);
 303     size = LPSAFEARRAY_UserSize(&umcb.Flags, 0, &lpsa);
 304     ok(size == expected || size == expected + 8, /* win64 */
 305        "size should be %u bytes, not %u\n", expected, size);
 306     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 307     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 308     next = LPSAFEARRAY_UserMarshal(&umcb.Flags, buffer, &lpsa);
 309     ok(next - buffer == expected || broken(next - buffer + sizeof(DWORD) == expected),
 310             "Marshaled %u bytes, expected %u\n", (ULONG) (next - buffer), expected);
 311
 312     check_safearray(buffer, lpsa);
 313
 314     HeapFree(GetProcessHeap(), 0, buffer);
 315     lpsa->cLocks = 0;
 316     SafeArrayDestroy(lpsa);
 317
 318     /* VARTYPE-less arrays can be marshaled if cbElements is 1,2,4 or 8 as type SF_In */
 319     hr = SafeArrayAllocDescriptor(1, &lpsa);
 320     ok(hr == S_OK, "saad failed %08x\n", hr);
 321     lpsa->cbElements = 8;
 322     lpsa->rgsabound[0].lLbound = 2;
 323     lpsa->rgsabound[0].cElements = 48;
 324     hr = SafeArrayAllocData(lpsa);
 325     ok(hr == S_OK, "saad failed %08x\n", hr);
 326
 327     hr = SafeArrayGetVartype(lpsa, &vt);
 328     ok(hr == E_INVALIDARG, "ret %08x\n", hr);
 329
 330     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 331     size = LPSAFEARRAY_UserSize(&umcb.Flags, 0, &lpsa);
 332     expected = (44 + lpsa->cbElements - 1) & ~(lpsa->cbElements - 1);
 333     expected += lpsa->cbElements * lpsa->rgsabound[0].cElements;
 334     ok(size == expected || size == expected + 8,  /* win64 */
 335        "size should be %u bytes, not %u\n", expected, size);
 336     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 337     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 338     next = LPSAFEARRAY_UserMarshal(&umcb.Flags, buffer, &lpsa);
 339     ok(next - buffer == expected || broken(next - buffer + sizeof(DWORD) == expected),
 340             "Marshaled %u bytes, expected %u\n", (ULONG) (next - buffer), expected);
 341     check_safearray(buffer, lpsa);
 342     HeapFree(GetProcessHeap(), 0, buffer);
 343     SafeArrayDestroyData(lpsa);
 344     SafeArrayDestroyDescriptor(lpsa);
 345
 346     /* Test an array of VT_BSTR */
 347     sab.lLbound = 3;
 348     sab.cElements = sizeof(values) / sizeof(values[0]);
 349
 350     lpsa = SafeArrayCreate(VT_BSTR, 1, &sab);
 351     expected_bstr_size = 0;
 352     for (i = 0; i < sab.cElements; i++)
 353     {
 354         int j;
 355         WCHAR buf[128];
 356         for (j = 0; j <= i; j++)
 357             buf[j] = 'a' + j;
 358         buf[j] = 0;
 359         indices[0] = i + sab.lLbound;
 360         values[i] = SysAllocString(buf);
 361         hr = SafeArrayPutElement(lpsa, indices, values[i]);
 362         ok(hr == S_OK, "Failed to put bstr element hr 0x%x\n", hr);
 363         expected_bstr_size += (j * sizeof(WCHAR)) + (3 * sizeof(DWORD));
 364         if (i % 2 == 0) /* Account for DWORD padding.  Works so long as cElements is even */
 365             expected_bstr_size += sizeof(WCHAR);
 366     }
 367
 368     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 369     size = LPSAFEARRAY_UserSize(&umcb.Flags, 1, &lpsa);
 370     expected = 44 + (sab.cElements * sizeof(DWORD)) + expected_bstr_size;
 371     todo_wine
 372     ok(size == expected + sizeof(DWORD) || size  == (expected + sizeof(DWORD) + 12 /* win64 */),
 373             "size should be %u bytes, not %u\n", expected + (ULONG) sizeof(DWORD), size);
 374     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 375     size = LPSAFEARRAY_UserSize(&umcb.Flags, 0, &lpsa);
 376     todo_wine
 377     ok(size == expected || size  == (expected + 12 /* win64 */),
 378         "size should be %u bytes, not %u\n", expected, size);
 379     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 380     memset(buffer, 0xcc, size);
 381     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 382     next = LPSAFEARRAY_UserMarshal(&umcb.Flags, buffer, &lpsa);
 383     todo_wine
 384     ok(next - buffer == expected, "Marshaled %u bytes, expected %u\n", (ULONG) (next - buffer), expected);
 385
 386     check_safearray(buffer, lpsa);
 387
 388     lpsa2 = NULL;
 389     if (LPSAFEARRAY_UNMARSHAL_WORKS)
 390     {
 391         init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 392         next = LPSAFEARRAY_UserUnmarshal(&umcb.Flags, buffer, &lpsa2);
 393         todo_wine
 394         ok(next - buffer == expected, "Marshaled %u bytes, expected %u\n", (ULONG) (next - buffer), expected);
 395         ok(lpsa2 != NULL, "LPSAFEARRAY didn't unmarshal, result %p\n", next);
 396     }
 397
 398     for (i = 0; i < sizeof(values) / sizeof(values[0]); i++)
 399     {
 400         BSTR gotvalue = NULL;
 401
 402         if (lpsa2)
 403         {
 404             indices[0] = i + sab.lLbound;
 405             hr = SafeArrayGetElement(lpsa2, indices, &gotvalue);
 406             ok(hr == S_OK, "Failed to get bstr element at hres 0x%x\n", hr);
 407             if (hr == S_OK)
 408             {
 409                 ok(VarBstrCmp(values[i], gotvalue, 0, 0) == VARCMP_EQ, "String %d does not match\n", i);
 410                 SysFreeString(gotvalue);
 411             }
 412         }
 413
 414         SysFreeString(values[i]);
 415     }
 416
 417     if (LPSAFEARRAY_UNMARSHAL_WORKS)
 418     {
 419         init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 420         LPSAFEARRAY_UserFree(&umcb.Flags, &lpsa2);
 421     }
 422
 423     HeapFree(GetProcessHeap(), 0, buffer);
 424     SafeArrayDestroy(lpsa);
 425
 426
 427     /* VARTYPE-less arrays with FADF_VARIANT */
 428     hr = SafeArrayAllocDescriptor(1, &lpsa);
 429     ok(hr == S_OK, "saad failed %08x\n", hr);
 430     lpsa->cbElements = sizeof(VARIANT);
 431     lpsa->fFeatures = FADF_VARIANT;
 432     lpsa->rgsabound[0].lLbound = 2;
 433     lpsa->rgsabound[0].cElements = 48;
 434     hr = SafeArrayAllocData(lpsa);
 435     ok(hr == S_OK, "saad failed %08x\n", hr);
 436
 437     hr = SafeArrayGetVartype(lpsa, &vt);
 438     ok(hr == E_INVALIDARG, "ret %08x\n", hr);
 439
 440     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 441     size = LPSAFEARRAY_UserSize(&umcb.Flags, 0, &lpsa);
 442     expected = 44 + 28 * lpsa->rgsabound[0].cElements;
 443     todo_wine
 444     ok(size == expected || size == expected + 8,  /* win64 */
 445        "size should be %u bytes, not %u\n", expected, size);
 446     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 447     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 448     next = LPSAFEARRAY_UserMarshal(&umcb.Flags, buffer, &lpsa);
 449     todo_wine
 450     ok(next - buffer == expected || broken(next - buffer + sizeof(DWORD) == expected),
 451             "Marshaled %u bytes, expected %u\n", (ULONG) (next - buffer), expected);
 452     lpsa->cbElements = 16;  /* VARIANT wire size */
 453     check_safearray(buffer, lpsa);
 454     HeapFree(GetProcessHeap(), 0, buffer);
 455     SafeArrayDestroyData(lpsa);
 456     SafeArrayDestroyDescriptor(lpsa);
 457 }
 458
 459 static void check_bstr(void *buffer, BSTR b)
 460 {
 461     DWORD *wireb = buffer;
 462     DWORD len = SysStringByteLen(b);
 463
 464     ok(*wireb == (len + 1) / 2, "wv[0] %08x\n", *wireb);
 465     wireb++;
 466     if(b)
 467         ok(*wireb == len, "wv[1] %08x\n", *wireb);
 468     else
 469         ok(*wireb == 0xffffffff, "wv[1] %08x\n", *wireb);
 470     wireb++;
 471     ok(*wireb == (len + 1) / 2, "wv[2] %08x\n", *wireb);
 472     if(len)
 473     {
 474         wireb++;
 475         ok(!memcmp(wireb, b, (len + 1) & ~1), "strings differ\n");
 476     }
 477     return;
 478 }
 479
 480 static void test_marshal_BSTR(void)
 481 {
 482     ULONG size;
 483     RPC_MESSAGE rpc_msg;
 484     MIDL_STUB_MESSAGE stub_msg;
 485     USER_MARSHAL_CB umcb;
 486     unsigned char *buffer, *next;
 487     BSTR b, b2;
 488     WCHAR str[] = {'m','a','r','s','h','a','l',' ','t','e','s','t','1',0};
 489     DWORD len;
 490
 491     b = SysAllocString(str);
 492     len = SysStringLen(b);
 493     ok(len == 13, "get %d\n", len);
 494
 495     /* BSTRs are DWORD aligned */
 496
 497     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 498     size = BSTR_UserSize(&umcb.Flags, 1, &b);
 499     ok(size == 42, "size %d\n", size);
 500
 501     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 502     size = BSTR_UserSize(&umcb.Flags, 0, &b);
 503     ok(size == 38, "size %d\n", size);
 504
 505     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 506     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 507     next = BSTR_UserMarshal(&umcb.Flags, buffer, &b);
 508     ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 509     check_bstr(buffer, b);
 510
 511     if (BSTR_UNMARSHAL_WORKS)
 512     {
 513         b2 = NULL;
 514         init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 515         next = BSTR_UserUnmarshal(&umcb.Flags, buffer, &b2);
 516         ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 517         ok(b2 != NULL, "BSTR didn't unmarshal\n");
 518         ok(!memcmp(b, b2, (len + 1) * 2), "strings differ\n");
 519         init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 520         BSTR_UserFree(&umcb.Flags, &b2);
 521     }
 522
 523     HeapFree(GetProcessHeap(), 0, buffer);
 524     SysFreeString(b);
 525
 526     b = NULL;
 527     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 528     size = BSTR_UserSize(&umcb.Flags, 0, &b);
 529     ok(size == 12, "size %d\n", size);
 530
 531     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 532     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 533     next = BSTR_UserMarshal(&umcb.Flags, buffer, &b);
 534     ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 535
 536     check_bstr(buffer, b);
 537     if (BSTR_UNMARSHAL_WORKS)
 538     {
 539         b2 = NULL;
 540         init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 541         next = BSTR_UserUnmarshal(&umcb.Flags, buffer, &b2);
 542         ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 543         ok(b2 == NULL, "NULL BSTR didn't unmarshal\n");
 544         init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 545         BSTR_UserFree(&umcb.Flags, &b2);
 546     }
 547     HeapFree(GetProcessHeap(), 0, buffer);
 548
 549     b = SysAllocStringByteLen("abc", 3);
 550     *(((char*)b) + 3) = 'd';
 551     len = SysStringLen(b);
 552     ok(len == 1, "get %d\n", len);
 553     len = SysStringByteLen(b);
 554     ok(len == 3, "get %d\n", len);
 555
 556     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 557     size = BSTR_UserSize(&umcb.Flags, 0, &b);
 558     ok(size == 16, "size %d\n", size);
 559
 560     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 561     memset(buffer, 0xcc, size);
 562     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 563     next = BSTR_UserMarshal(&umcb.Flags, buffer, &b);
 564     ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 565     check_bstr(buffer, b);
 566     ok(buffer[15] == 'd', "buffer[15] %02x\n", buffer[15]);
 567
 568     if (BSTR_UNMARSHAL_WORKS)
 569     {
 570         b2 = NULL;
 571         init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 572         next = BSTR_UserUnmarshal(&umcb.Flags, buffer, &b2);
 573         ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 574         ok(b2 != NULL, "BSTR didn't unmarshal\n");
 575         ok(!memcmp(b, b2, len), "strings differ\n");
 576         init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 577         BSTR_UserFree(&umcb.Flags, &b2);
 578     }
 579     HeapFree(GetProcessHeap(), 0, buffer);
 580     SysFreeString(b);
 581
 582     b = SysAllocStringByteLen("", 0);
 583     len = SysStringLen(b);
 584     ok(len == 0, "get %d\n", len);
 585     len = SysStringByteLen(b);
 586     ok(len == 0, "get %d\n", len);
 587
 588     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 589     size = BSTR_UserSize(&umcb.Flags, 0, &b);
 590     ok(size == 12, "size %d\n", size);
 591
 592     buffer = HeapAlloc(GetProcessHeap(), 0, size);
 593     init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 594     next = BSTR_UserMarshal(&umcb.Flags, buffer, &b);
 595     ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 596     check_bstr(buffer, b);
 597
 598     if (BSTR_UNMARSHAL_WORKS)
 599     {
 600         b2 = NULL;
 601         init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
 602         next = BSTR_UserUnmarshal(&umcb.Flags, buffer, &b2);
 603         ok(next == buffer + size, "got %p expect %p\n", next, buffer + size);
 604         ok(b2 != NULL, "NULL LPSAFEARRAY didn't unmarshal\n");
 605         len = SysStringByteLen(b2);
 606         ok(len == 0, "byte len %d\n", len);
 607         init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
 608         BSTR_UserFree(&umcb.Flags, &b2);
 609     }
 610     HeapFree(GetProcessHeap(), 0, buffer);
 611     SysFreeString(b);
 612 }
 613
 614 typedef struct
 615 {
 616     const IUnknownVtbl *lpVtbl;
 617     ULONG refs;
 618 } HeapUnknown;
 619
 620 static HRESULT WINAPI HeapUnknown_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
 621 {
 622     if (IsEqualIID(riid, &IID_IUnknown))
 623     {
 624         IUnknown_AddRef(iface);
 625         *ppv = iface;
 626         return S_OK;
 627     }
 628     *ppv = NULL;
 629     return E_NOINTERFACE;
 630 }
 631
 632 static ULONG WINAPI HeapUnknown_AddRef(IUnknown *iface)
 633 {
 634     HeapUnknown *This = (HeapUnknown *)iface;
 635     return InterlockedIncrement((LONG*)&This->refs);
 636 }
 637
 638 static ULONG WINAPI HeapUnknown_Release(IUnknown *iface)
 639 {
 640     HeapUnknown *This = (HeapUnknown *)iface;
 641     ULONG refs = InterlockedDecrement((LONG*)&This->refs);
 642     if (!refs) HeapFree(GetProcessHeap(), 0, This);
 643     return refs;
 644 }
 645
 646 static const IUnknownVtbl HeapUnknown_Vtbl =
 647 {
 648     HeapUnknown_QueryInterface,
 649     HeapUnknown_AddRef,
 650     HeapUnknown_Release
 651 };
 652
 653 static void check_variant_header(DWORD *wirev, VARIANT *v, ULONG size)
 654 {
 655     WORD *wp;
 656     DWORD switch_is;
 657
 658     ok(*wirev == (size + 7) >> 3, "wv[0] %08x, expected %08x\n", *wirev, (size + 7) >> 3);
 659     wirev++;
 660     ok(*wirev == 0, "wv[1] %08x\n", *wirev);
 661     wirev++;
 662     wp = (WORD*)wirev;
 663     ok(*wp == V_VT(v), "vt %04x expected %04x\n", *wp, V_VT(v));
 664     wp++;
 665     ok(*wp == V_U2(v).wReserved1, "res1 %04x expected %04x\n", *wp, V_U2(v).wReserved1);
 666     wp++;
 667     ok(*wp == V_U2(v).wReserved2, "res2 %04x expected %04x\n", *wp, V_U2(v).wReserved2);
 668     wp++;
 669     ok(*wp == V_U2(v).wReserved3, "res3 %04x expected %04x\n", *wp, V_U2(v).wReserved3);
 670     wp++;
 671     wirev = (DWORD*)wp;
 672     switch_is = V_VT(v);
 673     if(switch_is & VT_ARRAY)
 674         switch_is &= ~VT_TYPEMASK;
 675     ok(*wirev == switch_is, "switch_is %08x expected %08x\n", *wirev, switch_is);
 676 }
 677
 678 /* Win9x and WinME don't always align as needed. Variants have
 679  * an alignment of 8.
 680  */
 681 static void *alloc_aligned(SIZE_T size, void **buf)
 682 {
 683     *buf = HeapAlloc(GetProcessHeap(), 0, size + 7);
 684     return (void *)(((UINT_PTR)*buf + 7) & ~7);
 685 }
 686
 687 static void test_marshal_VARIANT(void)
 688 {
 689     VARIANT v, v2;
 690     MIDL_STUB_MESSAGE stubMsg = { 0 };
 691     RPC_MESSAGE rpcMsg = { 0 };
 692     USER_MARSHAL_CB umcb = { 0 };
 693     unsigned char *buffer, *next;
 694     void *oldbuffer;
 695     ULONG ul;
 696     short s;
 697     double d;
 698     DWORD *wirev;
 699     BSTR b;
 700     WCHAR str[] = {'m','a','r','s','h','a','l',' ','t','e','s','t',0};
 701     SAFEARRAYBOUND sab;
 702     LPSAFEARRAY lpsa;
 703     DECIMAL dec, dec2;
 704     HeapUnknown *heap_unknown;
 705     DWORD expected;
 706
 707     stubMsg.RpcMsg = &rpcMsg;
 708
 709     umcb.Flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
 710     umcb.pStubMsg = &stubMsg;
 711     umcb.pReserve = NULL;
 712     umcb.Signature = USER_MARSHAL_CB_SIGNATURE;
 713     umcb.CBType = USER_MARSHAL_CB_UNMARSHALL;
 714
 715     /*** I1 ***/
 716     VariantInit(&v);
 717     V_VT(&v) = VT_I1;
 718     V_I1(&v) = 0x12;
 719
 720     /* check_variant_header tests wReserved[123], so initialize to unique values.
 721      * (Could probably also do this by setting the variant to a known DECIMAL.)
 722      */
 723     V_U2(&v).wReserved1 = 0x1234;
 724     V_U2(&v).wReserved2 = 0x5678;
 725     V_U2(&v).wReserved3 = 0x9abc;
 726
 727     /* Variants have an alignment of 8 */
 728     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 1, &v);
 729     ok(stubMsg.BufferLength == 29, "size %d\n", stubMsg.BufferLength);
 730
 731     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 732     ok(stubMsg.BufferLength == 21, "size %d\n", stubMsg.BufferLength);
 733
 734     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
 735     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 736     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 737     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 738     wirev = (DWORD*)buffer;
 739
 740     check_variant_header(wirev, &v, stubMsg.BufferLength);
 741     wirev += 5;
 742     ok(*(char*)wirev == V_I1(&v), "wv[5] %08x\n", *wirev);
 743     if (VARIANT_UNMARSHAL_WORKS)
 744     {
 745         VariantInit(&v2);
 746         stubMsg.Buffer = buffer;
 747         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 748         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 749         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 750         ok(V_I1(&v) == V_I1(&v2), "got i1 %x expect %x\n", V_I1(&v), V_I1(&v2));
 751
 752         VARIANT_UserFree(&umcb.Flags, &v2);
 753     }
 754     HeapFree(GetProcessHeap(), 0, oldbuffer);
 755
 756     /*** I2 ***/
 757     VariantInit(&v);
 758     V_VT(&v) = VT_I2;
 759     V_I2(&v) = 0x1234;
 760
 761     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 762     ok(stubMsg.BufferLength == 22, "size %d\n", stubMsg.BufferLength);
 763
 764     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
 765     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 766     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 767     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 768     wirev = (DWORD*)buffer;
 769
 770     check_variant_header(wirev, &v, stubMsg.BufferLength);
 771     wirev += 5;
 772     ok(*(short*)wirev == V_I2(&v), "wv[5] %08x\n", *wirev);
 773     if (VARIANT_UNMARSHAL_WORKS)
 774     {
 775         VariantInit(&v2);
 776         stubMsg.Buffer = buffer;
 777         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 778         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 779         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 780         ok(V_I2(&v) == V_I2(&v2), "got i2 %x expect %x\n", V_I2(&v), V_I2(&v2));
 781
 782         VARIANT_UserFree(&umcb.Flags, &v2);
 783     }
 784     HeapFree(GetProcessHeap(), 0, oldbuffer);
 785
 786     /*** I2 BYREF ***/
 787     VariantInit(&v);
 788     V_VT(&v) = VT_I2 | VT_BYREF;
 789     s = 0x1234;
 790     V_I2REF(&v) = &s;
 791
 792     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 793     ok(stubMsg.BufferLength == 26, "size %d\n", stubMsg.BufferLength);
 794
 795     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
 796     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 797     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 798     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 799     wirev = (DWORD*)buffer;
 800
 801     check_variant_header(wirev, &v, stubMsg.BufferLength);
 802     wirev += 5;
 803     ok(*wirev == 0x4, "wv[5] %08x\n", *wirev);
 804     wirev++;
 805     ok(*(short*)wirev == s, "wv[6] %08x\n", *wirev);
 806     if (VARIANT_UNMARSHAL_WORKS)
 807     {
 808         void *mem;
 809         VariantInit(&v2);
 810         V_VT(&v2) = VT_I2 | VT_BYREF;
 811         V_BYREF(&v2) = mem = CoTaskMemAlloc(sizeof(V_I2(&v2)));
 812         stubMsg.Buffer = buffer;
 813         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 814         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 815         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 816         ok(V_BYREF(&v2) == mem, "didn't reuse existing memory\n");
 817         ok(*V_I2REF(&v) == *V_I2REF(&v2), "got i2 ref %x expect ui4 ref %x\n", *V_I2REF(&v), *V_I2REF(&v2));
 818
 819         VARIANT_UserFree(&umcb.Flags, &v2);
 820     }
 821     HeapFree(GetProcessHeap(), 0, oldbuffer);
 822
 823     /*** I4 ***/
 824     VariantInit(&v);
 825     V_VT(&v) = VT_I4;
 826     V_I4(&v) = 0x1234;
 827
 828     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 829     ok(stubMsg.BufferLength == 24, "size %d\n", stubMsg.BufferLength);
 830
 831     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
 832     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 833     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 834     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 835     wirev = (DWORD*)buffer;
 836
 837     check_variant_header(wirev, &v, stubMsg.BufferLength);
 838     wirev += 5;
 839     ok(*wirev == V_I4(&v), "wv[5] %08x\n", *wirev);
 840
 841     if (VARIANT_UNMARSHAL_WORKS)
 842     {
 843         VariantInit(&v2);
 844         stubMsg.Buffer = buffer;
 845         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 846         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 847         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 848         ok(V_I4(&v) == V_I4(&v2), "got i4 %x expect %x\n", V_I4(&v), V_I4(&v2));
 849
 850         VARIANT_UserFree(&umcb.Flags, &v2);
 851     }
 852     HeapFree(GetProcessHeap(), 0, oldbuffer);
 853
 854     /*** UI4 ***/
 855     VariantInit(&v);
 856     V_VT(&v) = VT_UI4;
 857     V_UI4(&v) = 0x1234;
 858
 859     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 860     ok(stubMsg.BufferLength == 24, "size %d\n", stubMsg.BufferLength);
 861
 862     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
 863     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 864     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 865     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 866     wirev = (DWORD*)buffer;
 867
 868     check_variant_header(wirev, &v, stubMsg.BufferLength);
 869     wirev += 5;
 870     ok(*wirev == 0x1234, "wv[5] %08x\n", *wirev);
 871     if (VARIANT_UNMARSHAL_WORKS)
 872     {
 873         VariantInit(&v2);
 874         stubMsg.Buffer = buffer;
 875         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 876         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 877         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 878         ok(V_UI4(&v) == V_UI4(&v2), "got ui4 %x expect %x\n", V_UI4(&v), V_UI4(&v2));
 879
 880         VARIANT_UserFree(&umcb.Flags, &v2);
 881     }
 882     HeapFree(GetProcessHeap(), 0, oldbuffer);
 883
 884     /*** UI4 BYREF ***/
 885     VariantInit(&v);
 886     V_VT(&v) = VT_UI4 | VT_BYREF;
 887     ul = 0x1234;
 888     V_UI4REF(&v) = &ul;
 889
 890     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 891     ok(stubMsg.BufferLength == 28, "size %d\n", stubMsg.BufferLength);
 892
 893     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
 894     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 895     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 896     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 897     wirev = (DWORD*)buffer;
 898
 899     check_variant_header(wirev, &v, stubMsg.BufferLength);
 900     wirev += 5;
 901     ok(*wirev == 0x4, "wv[5] %08x\n", *wirev);
 902     wirev++;
 903     ok(*wirev == ul, "wv[6] %08x\n", *wirev);
 904
 905     if (VARIANT_UNMARSHAL_WORKS)
 906     {
 907         VariantInit(&v2);
 908         stubMsg.Buffer = buffer;
 909         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 910         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 911         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 912         ok(*V_UI4REF(&v) == *V_UI4REF(&v2), "got ui4 ref %x expect ui4 ref %x\n", *V_UI4REF(&v), *V_UI4REF(&v2));
 913
 914         VARIANT_UserFree(&umcb.Flags, &v2);
 915     }
 916     HeapFree(GetProcessHeap(), 0, oldbuffer);
 917
 918     /*** R4 ***/
 919     VariantInit(&v);
 920     V_VT(&v) = VT_R4;
 921     V_R8(&v) = 3.1415;
 922
 923     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 924     ok(stubMsg.BufferLength == 24, "size %d\n", stubMsg.BufferLength);
 925
 926     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
 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     wirev += 5;
 934     ok(*(float*)wirev == V_R4(&v), "wv[5] %08x\n", *wirev);
 935     if (VARIANT_UNMARSHAL_WORKS)
 936     {
 937         VariantInit(&v2);
 938         stubMsg.Buffer = buffer;
 939         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 940         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 941         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 942         ok(V_R4(&v) == V_R4(&v2), "got r4 %f expect %f\n", V_R4(&v), V_R4(&v2));
 943
 944         VARIANT_UserFree(&umcb.Flags, &v2);
 945     }
 946     HeapFree(GetProcessHeap(), 0, oldbuffer);
 947
 948     /*** R8 ***/
 949     VariantInit(&v);
 950     V_VT(&v) = VT_R8;
 951     V_R8(&v) = 3.1415;
 952
 953     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 954     ok(stubMsg.BufferLength == 32, "size %d\n", stubMsg.BufferLength);
 955
 956     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
 957     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 958     memset(buffer, 0xcc, stubMsg.BufferLength);
 959     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 960     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 961     wirev = (DWORD*)buffer;
 962
 963     check_variant_header(wirev, &v, stubMsg.BufferLength);
 964     wirev += 5;
 965     ok(*wirev == 0xcccccccc, "wv[5] %08x\n", *wirev); /* pad */
 966     wirev++;
 967     ok(*(double*)wirev == V_R8(&v), "wv[6] %08x, wv[7] %08x\n", *wirev, *(wirev+1));
 968     if (VARIANT_UNMARSHAL_WORKS)
 969     {
 970         VariantInit(&v2);
 971         stubMsg.Buffer = buffer;
 972         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
 973         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 974         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
 975         ok(V_R8(&v) == V_R8(&v2), "got r8 %f expect %f\n", V_R8(&v), V_R8(&v2));
 976
 977         VARIANT_UserFree(&umcb.Flags, &v2);
 978     }
 979     HeapFree(GetProcessHeap(), 0, oldbuffer);
 980
 981     /*** R8 BYREF ***/
 982     VariantInit(&v);
 983     V_VT(&v) = VT_R8 | VT_BYREF;
 984     d = 3.1415;
 985     V_R8REF(&v) = &d;
 986
 987     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
 988     ok(stubMsg.BufferLength == 32, "size %d\n", stubMsg.BufferLength);
 989
 990     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
 991     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
 992     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
 993     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
 994     wirev = (DWORD*)buffer;
 995
 996     check_variant_header(wirev, &v, stubMsg.BufferLength);
 997     wirev += 5;
 998     ok(*wirev == 8, "wv[5] %08x\n", *wirev);
 999     wirev++;
1000     ok(*(double*)wirev == d, "wv[6] %08x wv[7] %08x\n", *wirev, *(wirev+1));
1001     if (VARIANT_UNMARSHAL_WORKS)
1002     {
1003         VariantInit(&v2);
1004         stubMsg.Buffer = buffer;
1005         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
1006         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1007         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
1008         ok(*V_R8REF(&v) == *V_R8REF(&v2), "got r8 ref %f expect %f\n", *V_R8REF(&v), *V_R8REF(&v2));
1009
1010         VARIANT_UserFree(&umcb.Flags, &v2);
1011     }
1012     HeapFree(GetProcessHeap(), 0, oldbuffer);
1013
1014     /*** VARIANT_BOOL ***/
1015     VariantInit(&v);
1016     V_VT(&v) = VT_BOOL;
1017     V_BOOL(&v) = 0x1234;
1018
1019     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1020     ok(stubMsg.BufferLength == 22, "size %d\n", stubMsg.BufferLength);
1021
1022     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
1023     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1024     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1025     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1026     wirev = (DWORD*)buffer;
1027
1028     check_variant_header(wirev, &v, stubMsg.BufferLength);
1029     wirev += 5;
1030     ok(*(short*)wirev == V_BOOL(&v), "wv[5] %04x\n", *(WORD*)wirev);
1031     if (VARIANT_UNMARSHAL_WORKS)
1032     {
1033         VariantInit(&v2);
1034         stubMsg.Buffer = buffer;
1035         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
1036         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1037         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
1038         ok(V_BOOL(&v) == V_BOOL(&v2), "got bool %x expect %x\n", V_BOOL(&v), V_BOOL(&v2));
1039
1040         VARIANT_UserFree(&umcb.Flags, &v2);
1041     }
1042     HeapFree(GetProcessHeap(), 0, oldbuffer);
1043
1044     /*** DECIMAL ***/
1045     VarDecFromI4(0x12345678, &dec);
1046     dec.wReserved = 0xfedc;          /* Also initialize reserved field, as we check it later */
1047     VariantInit(&v);
1048     V_DECIMAL(&v) = dec;
1049     V_VT(&v) = VT_DECIMAL;
1050
1051     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1052     ok(stubMsg.BufferLength == 40, "size %d\n", stubMsg.BufferLength);
1053
1054     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
1055     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1056     memset(buffer, 0xcc, stubMsg.BufferLength);
1057     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1058     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1059     wirev = (DWORD*)buffer;
1060
1061     check_variant_header(wirev, &v, stubMsg.BufferLength);
1062     wirev += 5;
1063     ok(*wirev == 0xcccccccc, "wirev[5] %08x\n", *wirev); /* pad */
1064     wirev++;
1065     dec2 = dec;
1066     dec2.wReserved = VT_DECIMAL;
1067     ok(!memcmp(wirev, &dec2, sizeof(dec2)), "wirev[6] %08x wirev[7] %08x wirev[8] %08x wirev[9] %08x\n",
1068        *wirev, *(wirev + 1), *(wirev + 2), *(wirev + 3));
1069     if (VARIANT_UNMARSHAL_WORKS)
1070     {
1071         VariantInit(&v2);
1072         stubMsg.Buffer = buffer;
1073         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
1074         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1075         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
1076         ok(!memcmp(&V_DECIMAL(&v), & V_DECIMAL(&v2), sizeof(DECIMAL)), "decimals differ\n");
1077
1078         VARIANT_UserFree(&umcb.Flags, &v2);
1079     }
1080     HeapFree(GetProcessHeap(), 0, oldbuffer);
1081
1082     /*** DECIMAL BYREF ***/
1083     VariantInit(&v);
1084     V_VT(&v) = VT_DECIMAL | VT_BYREF;
1085     V_DECIMALREF(&v) = &dec;
1086
1087     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1088     ok(stubMsg.BufferLength == 40, "size %d\n", stubMsg.BufferLength);
1089
1090     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
1091     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1092     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1093     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1094     wirev = (DWORD*)buffer;
1095
1096     check_variant_header(wirev, &v, stubMsg.BufferLength);
1097     wirev += 5;
1098     ok(*wirev == 16, "wv[5] %08x\n", *wirev);
1099     wirev++;
1100     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));
1101     if (VARIANT_UNMARSHAL_WORKS)
1102     {
1103         VariantInit(&v2);
1104         /* check_variant_header tests wReserved[123], so initialize to unique values.
1105          * (Could probably also do this by setting the variant to a known DECIMAL.)
1106          */
1107         V_U2(&v2).wReserved1 = 0x0123;
1108         V_U2(&v2).wReserved2 = 0x4567;
1109         V_U2(&v2).wReserved3 = 0x89ab;
1110
1111         stubMsg.Buffer = buffer;
1112         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
1113         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1114         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
1115         ok(!memcmp(V_DECIMALREF(&v), V_DECIMALREF(&v2), sizeof(DECIMAL)), "decimals differ\n");
1116
1117         VARIANT_UserFree(&umcb.Flags, &v2);
1118     }
1119     HeapFree(GetProcessHeap(), 0, oldbuffer);
1120
1121     /*** EMPTY ***/
1122     VariantInit(&v);
1123     V_VT(&v) = VT_EMPTY;
1124
1125     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1126     ok(stubMsg.BufferLength == 20, "size %d\n", stubMsg.BufferLength);
1127
1128     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
1129     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1130     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1131     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1132     wirev = (DWORD*)buffer;
1133
1134     check_variant_header(wirev, &v, stubMsg.BufferLength);
1135     if (VARIANT_UNMARSHAL_WORKS)
1136     {
1137         VariantInit(&v2);
1138         stubMsg.Buffer = buffer;
1139         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
1140         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1141         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
1142
1143         VARIANT_UserFree(&umcb.Flags, &v2);
1144     }
1145     HeapFree(GetProcessHeap(), 0, oldbuffer);
1146
1147     /*** NULL ***/
1148     VariantInit(&v);
1149     V_VT(&v) = VT_NULL;
1150
1151     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1152     ok(stubMsg.BufferLength == 20, "size %d\n", stubMsg.BufferLength);
1153
1154     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
1155     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1156     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1157     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1158     wirev = (DWORD*)buffer;
1159
1160     check_variant_header(wirev, &v, stubMsg.BufferLength);
1161     if (VARIANT_UNMARSHAL_WORKS)
1162     {
1163         VariantInit(&v2);
1164         stubMsg.Buffer = buffer;
1165         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
1166         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1167         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
1168
1169         VARIANT_UserFree(&umcb.Flags, &v2);
1170     }
1171     HeapFree(GetProcessHeap(), 0, oldbuffer);
1172
1173     /*** BSTR ***/
1174     b = SysAllocString(str);
1175     VariantInit(&v);
1176     V_VT(&v) = VT_BSTR;
1177     V_BSTR(&v) = b;
1178
1179     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1180     ok(stubMsg.BufferLength == 60, "size %d\n", stubMsg.BufferLength);
1181     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
1182     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1183     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1184     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1185     wirev = (DWORD*)buffer;
1186
1187     check_variant_header(wirev, &v, stubMsg.BufferLength);
1188     wirev += 5;
1189     ok(*wirev, "wv[5] %08x\n", *wirev); /* win2k: this is b. winxp: this is (char*)b + 1 */
1190     wirev++;
1191     check_bstr(wirev, V_BSTR(&v));
1192     if (VARIANT_UNMARSHAL_WORKS)
1193     {
1194         VariantInit(&v2);
1195         stubMsg.Buffer = buffer;
1196         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
1197         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1198         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
1199         ok(SysStringByteLen(V_BSTR(&v)) == SysStringByteLen(V_BSTR(&v2)), "bstr string lens differ\n");
1200         ok(!memcmp(V_BSTR(&v), V_BSTR(&v2), SysStringByteLen(V_BSTR(&v))), "bstrs differ\n");
1201
1202         VARIANT_UserFree(&umcb.Flags, &v2);
1203     }
1204     HeapFree(GetProcessHeap(), 0, oldbuffer);
1205
1206     /*** BSTR BYREF ***/
1207     VariantInit(&v);
1208     V_VT(&v) = VT_BSTR | VT_BYREF;
1209     V_BSTRREF(&v) = &b;
1210
1211     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1212     ok(stubMsg.BufferLength == 64, "size %d\n", stubMsg.BufferLength);
1213     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
1214     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1215     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1216     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1217     wirev = (DWORD*)buffer;
1218
1219     check_variant_header(wirev, &v, stubMsg.BufferLength);
1220     wirev += 5;
1221     ok(*wirev == 0x4, "wv[5] %08x\n", *wirev);
1222     wirev++;
1223     ok(*wirev, "wv[6] %08x\n", *wirev); /* win2k: this is b. winxp: this is (char*)b + 1 */
1224     wirev++;
1225     check_bstr(wirev, b);
1226     if (VARIANT_UNMARSHAL_WORKS)
1227     {
1228         VariantInit(&v2);
1229         stubMsg.Buffer = buffer;
1230         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
1231         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1232         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
1233         ok(SysStringByteLen(*V_BSTRREF(&v)) == SysStringByteLen(*V_BSTRREF(&v2)), "bstr string lens differ\n");
1234         ok(!memcmp(*V_BSTRREF(&v), *V_BSTRREF(&v2), SysStringByteLen(*V_BSTRREF(&v))), "bstrs differ\n");
1235
1236         VARIANT_UserFree(&umcb.Flags, &v2);
1237     }
1238     HeapFree(GetProcessHeap(), 0, oldbuffer);
1239     SysFreeString(b);
1240
1241     /*** ARRAY ***/
1242     sab.lLbound = 5;
1243     sab.cElements = 10;
1244
1245     lpsa = SafeArrayCreate(VT_R8, 1, &sab);
1246     *(DWORD *)lpsa->pvData = 0xcafebabe;
1247     *((DWORD *)lpsa->pvData + 1) = 0xdeadbeef;
1248
1249     VariantInit(&v);
1250     V_VT(&v) = VT_UI4 | VT_ARRAY;
1251     V_ARRAY(&v) = lpsa;
1252
1253     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1254     expected = 152;
1255     ok(stubMsg.BufferLength == expected || stubMsg.BufferLength == expected + 8, /* win64 */
1256        "size %u instead of %u\n", stubMsg.BufferLength, expected);
1257     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
1258     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1259     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1260     ok(next == buffer + expected, "got %p expect %p\n", next, buffer + expected);
1261     wirev = (DWORD*)buffer;
1262
1263     check_variant_header(wirev, &v, expected);
1264     wirev += 5;
1265     ok(*wirev, "wv[5] %08x\n", *wirev); /* win2k: this is lpsa. winxp: this is (char*)lpsa + 1 */
1266     wirev++;
1267     check_safearray(wirev, lpsa);
1268     if (VARIANT_UNMARSHAL_WORKS)
1269     {
1270         LONG bound, bound2;
1271         VARTYPE vt, vt2;
1272         VariantInit(&v2);
1273         stubMsg.Buffer = buffer;
1274         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
1275         ok(next == buffer + expected, "got %p expect %p\n", next, buffer + expected);
1276         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
1277         ok(SafeArrayGetDim(V_ARRAY(&v)) == SafeArrayGetDim(V_ARRAY(&v)), "array dims differ\n");
1278         SafeArrayGetLBound(V_ARRAY(&v), 1, &bound);
1279         SafeArrayGetLBound(V_ARRAY(&v2), 1, &bound2);
1280         ok(bound == bound2, "array lbounds differ\n");
1281         SafeArrayGetUBound(V_ARRAY(&v), 1, &bound);
1282         SafeArrayGetUBound(V_ARRAY(&v2), 1, &bound2);
1283         ok(bound == bound2, "array ubounds differ\n");
1284         SafeArrayGetVartype(V_ARRAY(&v), &vt);
1285         SafeArrayGetVartype(V_ARRAY(&v2), &vt2);
1286         ok(vt == vt2, "array vts differ %x %x\n", vt, vt2);
1287         VARIANT_UserFree(&umcb.Flags, &v2);
1288     }
1289     HeapFree(GetProcessHeap(), 0, oldbuffer);
1290
1291     /*** ARRAY BYREF ***/
1292     VariantInit(&v);
1293     V_VT(&v) = VT_UI4 | VT_ARRAY | VT_BYREF;
1294     V_ARRAYREF(&v) = &lpsa;
1295
1296     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1297     expected = 152;
1298     ok(stubMsg.BufferLength == expected || stubMsg.BufferLength == expected + 16, /* win64 */
1299        "size %u instead of %u\n", stubMsg.BufferLength, expected);
1300     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
1301     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1302     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1303     ok(next == buffer + expected, "got %p expect %p\n", next, buffer + expected);
1304     wirev = (DWORD*)buffer;
1305
1306     check_variant_header(wirev, &v, expected);
1307     wirev += 5;
1308     ok(*wirev == 4, "wv[5] %08x\n", *wirev);
1309     wirev++;
1310     ok(*wirev, "wv[6] %08x\n", *wirev); /* win2k: this is lpsa. winxp: this is (char*)lpsa + 1 */
1311     wirev++;
1312     check_safearray(wirev, lpsa);
1313     if (VARIANT_UNMARSHAL_WORKS)
1314     {
1315         LONG bound, bound2;
1316         VARTYPE vt, vt2;
1317         VariantInit(&v2);
1318         stubMsg.Buffer = buffer;
1319         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
1320         ok(next == buffer + expected, "got %p expect %p\n", next, buffer + expected);
1321         ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
1322         ok(SafeArrayGetDim(*V_ARRAYREF(&v)) == SafeArrayGetDim(*V_ARRAYREF(&v)), "array dims differ\n");
1323         SafeArrayGetLBound(*V_ARRAYREF(&v), 1, &bound);
1324         SafeArrayGetLBound(*V_ARRAYREF(&v2), 1, &bound2);
1325         ok(bound == bound2, "array lbounds differ\n");
1326         SafeArrayGetUBound(*V_ARRAYREF(&v), 1, &bound);
1327         SafeArrayGetUBound(*V_ARRAYREF(&v2), 1, &bound2);
1328         ok(bound == bound2, "array ubounds differ\n");
1329         SafeArrayGetVartype(*V_ARRAYREF(&v), &vt);
1330         SafeArrayGetVartype(*V_ARRAYREF(&v2), &vt2);
1331         ok(vt == vt2, "array vts differ %x %x\n", vt, vt2);
1332         VARIANT_UserFree(&umcb.Flags, &v2);
1333     }
1334     HeapFree(GetProcessHeap(), 0, oldbuffer);
1335     SafeArrayDestroy(lpsa);
1336
1337     /*** VARIANT BYREF ***/
1338     VariantInit(&v);
1339     VariantInit(&v2);
1340     V_VT(&v2) = VT_R8;
1341     V_R8(&v2) = 3.1415;
1342     V_VT(&v) = VT_VARIANT | VT_BYREF;
1343     V_VARIANTREF(&v) = &v2;
1344
1345     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1346     ok(stubMsg.BufferLength == 64, "size %d\n", stubMsg.BufferLength);
1347     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
1348     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1349     memset(buffer, 0xcc, stubMsg.BufferLength);
1350     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1351     ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1352     wirev = (DWORD*)buffer;
1353     check_variant_header(wirev, &v, stubMsg.BufferLength);
1354     wirev += 5;
1355
1356     ok(*wirev == sizeof(VARIANT), "wv[5] %08x\n", *wirev);
1357     wirev++;
1358     ok(*wirev == ('U' | 's' << 8 | 'e' << 16 | 'r' << 24), "wv[6] %08x\n", *wirev); /* 'User' */
1359     wirev++;
1360     ok(*wirev == 0xcccccccc, "wv[7] %08x\n", *wirev); /* pad */
1361     wirev++;
1362     check_variant_header(wirev, &v2, stubMsg.BufferLength - 32);
1363     wirev += 5;
1364     ok(*wirev == 0xcccccccc, "wv[13] %08x\n", *wirev); /* pad for VT_R8 */
1365     wirev++;
1366     ok(*(double*)wirev == V_R8(&v2), "wv[6] %08x wv[7] %08x\n", *wirev, *(wirev+1));
1367     if (VARIANT_UNMARSHAL_WORKS)
1368     {
1369         VARIANT v3;
1370         VariantInit(&v3);
1371         stubMsg.Buffer = buffer;
1372         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v3);
1373         ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
1374         ok(V_VT(&v) == V_VT(&v3), "got vt %d expect %d\n", V_VT(&v), V_VT(&v3));
1375         ok(V_VT(V_VARIANTREF(&v)) == V_VT(V_VARIANTREF(&v3)), "vts differ %x %x\n",
1376            V_VT(V_VARIANTREF(&v)), V_VT(V_VARIANTREF(&v3)));
1377         ok(V_R8(V_VARIANTREF(&v)) == V_R8(V_VARIANTREF(&v3)), "r8s differ\n");
1378         VARIANT_UserFree(&umcb.Flags, &v3);
1379     }
1380     HeapFree(GetProcessHeap(), 0, oldbuffer);
1381
1382     /*** UNKNOWN ***/
1383     heap_unknown = HeapAlloc(GetProcessHeap(), 0, sizeof(*heap_unknown));
1384     heap_unknown->lpVtbl = &HeapUnknown_Vtbl;
1385     heap_unknown->refs = 1;
1386     VariantInit(&v);
1387     VariantInit(&v2);
1388     V_VT(&v) = VT_UNKNOWN;
1389     V_UNKNOWN(&v) = (IUnknown *)heap_unknown;
1390
1391     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1392     ok(stubMsg.BufferLength > 32, "size %d\n", stubMsg.BufferLength);
1393     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
1394     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1395     memset(buffer, 0xcc, stubMsg.BufferLength);
1396     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1397     wirev = (DWORD*)buffer;
1398     check_variant_header(wirev, &v, next - buffer);
1399     wirev += 5;
1400
1401     todo_wine
1402     ok(*wirev == (DWORD_PTR)V_UNKNOWN(&v) /* Win9x */ ||
1403        *wirev == (DWORD_PTR)V_UNKNOWN(&v) + 1 /* NT */, "wv[5] %08x\n", *wirev);
1404     wirev++;
1405     todo_wine
1406     ok(*wirev == next - buffer - 0x20, "wv[6] %08x\n", *wirev);
1407     wirev++;
1408     todo_wine
1409     ok(*wirev == next - buffer - 0x20, "wv[7] %08x\n", *wirev);
1410     wirev++;
1411     todo_wine
1412     ok(*wirev == 0x574f454d, "wv[8] %08x\n", *wirev);
1413     if (VARIANT_UNMARSHAL_WORKS)
1414     {
1415         VARIANT v3;
1416         VariantInit(&v3);
1417         V_VT(&v3) = VT_UNKNOWN;
1418         V_UNKNOWN(&v3) = (IUnknown *)heap_unknown;
1419         IUnknown_AddRef(V_UNKNOWN(&v3));
1420         stubMsg.Buffer = buffer;
1421         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v3);
1422         ok(V_VT(&v) == V_VT(&v3), "got vt %d expect %d\n", V_VT(&v), V_VT(&v3));
1423         ok(V_UNKNOWN(&v) == V_UNKNOWN(&v3), "got %p expect %p\n", V_UNKNOWN(&v), V_UNKNOWN(&v3));
1424         VARIANT_UserFree(&umcb.Flags, &v3);
1425         ok(heap_unknown->refs == 1, "%d refcounts of IUnknown leaked\n", heap_unknown->refs - 1);
1426         IUnknown_Release((IUnknown *)heap_unknown);
1427     }
1428     HeapFree(GetProcessHeap(), 0, oldbuffer);
1429
1430     /*** NULL UNKNOWN ***/
1431     VariantInit(&v);
1432     V_VT(&v) = VT_UNKNOWN;
1433     V_UNKNOWN(&v) = NULL;
1434
1435     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1436     ok(stubMsg.BufferLength >= 24, "size %d\n", stubMsg.BufferLength);
1437     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
1438     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1439     memset(buffer, 0xcc, stubMsg.BufferLength);
1440     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1441     wirev = (DWORD*)buffer;
1442     check_variant_header(wirev, &v, next - buffer);
1443     wirev += 5;
1444     ok(*wirev == 0, "wv[5] %08x\n", *wirev);
1445
1446     VariantInit(&v2);
1447     stubMsg.Buffer = buffer;
1448     next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
1449     ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
1450     ok(V_UNKNOWN(&v2) == NULL, "got %p expect NULL\n", V_UNKNOWN(&v2));
1451     VARIANT_UserFree(&umcb.Flags, &v2);
1452     HeapFree(GetProcessHeap(), 0, oldbuffer);
1453
1454     /*** UNKNOWN BYREF ***/
1455     heap_unknown = HeapAlloc(GetProcessHeap(), 0, sizeof(*heap_unknown));
1456     heap_unknown->lpVtbl = &HeapUnknown_Vtbl;
1457     heap_unknown->refs = 1;
1458     VariantInit(&v);
1459     VariantInit(&v2);
1460     V_VT(&v) = VT_UNKNOWN | VT_BYREF;
1461     V_UNKNOWNREF(&v) = (IUnknown **)&heap_unknown;
1462
1463     rpcMsg.BufferLength = stubMsg.BufferLength = VARIANT_UserSize(&umcb.Flags, 0, &v);
1464     ok(stubMsg.BufferLength > 36, "size %d\n", stubMsg.BufferLength);
1465     buffer = rpcMsg.Buffer = stubMsg.Buffer = stubMsg.BufferStart = alloc_aligned(stubMsg.BufferLength, &oldbuffer);
1466     stubMsg.BufferEnd = stubMsg.Buffer + stubMsg.BufferLength;
1467     memset(buffer, 0xcc, stubMsg.BufferLength);
1468     next = VARIANT_UserMarshal(&umcb.Flags, buffer, &v);
1469     wirev = (DWORD*)buffer;
1470     check_variant_header(wirev, &v, next - buffer);
1471     wirev += 5;
1472
1473     ok(*wirev == 4, "wv[5] %08x\n", *wirev);
1474     wirev++;
1475     todo_wine
1476     ok(*wirev == (DWORD_PTR)heap_unknown /* Win9x, Win2000 */ ||
1477        *wirev == (DWORD_PTR)heap_unknown + 1 /* XP */, "wv[6] %08x\n", *wirev);
1478     wirev++;
1479     todo_wine
1480     ok(*wirev == next - buffer - 0x24, "wv[7] %08x\n", *wirev);
1481     wirev++;
1482     todo_wine
1483     ok(*wirev == next - buffer - 0x24, "wv[8] %08x\n", *wirev);
1484     wirev++;
1485     todo_wine
1486     ok(*wirev == 0x574f454d, "wv[9] %08x\n", *wirev);
1487     if (VARIANT_UNMARSHAL_WORKS)
1488     {
1489         VARIANT v3;
1490         VariantInit(&v3);
1491         V_VT(&v3) = VT_UNKNOWN;
1492         V_UNKNOWN(&v3) = (IUnknown *)heap_unknown;
1493         IUnknown_AddRef(V_UNKNOWN(&v3));
1494         stubMsg.Buffer = buffer;
1495         next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v3);
1496         ok(V_VT(&v) == V_VT(&v3), "got vt %d expect %d\n", V_VT(&v), V_VT(&v3));
1497         ok(*V_UNKNOWNREF(&v) == *V_UNKNOWNREF(&v3), "got %p expect %p\n", *V_UNKNOWNREF(&v), *V_UNKNOWNREF(&v3));
1498         VARIANT_UserFree(&umcb.Flags, &v3);
1499         ok(heap_unknown->refs == 1, "%d refcounts of IUnknown leaked\n", heap_unknown->refs - 1);
1500         IUnknown_Release((IUnknown *)heap_unknown);
1501     }
1502     HeapFree(GetProcessHeap(), 0, oldbuffer);
1503 }
1504
1505
1506 START_TEST(usrmarshal)
1507 {
1508     CoInitialize(NULL);
1509
1510     test_marshal_LPSAFEARRAY();
1511     test_marshal_BSTR();
1512     test_marshal_VARIANT();
1513
1514     CoUninitialize();
1515 }