rostests/winetests/ole32/propvariant.c

   1 /*
   2  * PropVariant 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 //#include "windows.h"
  22
  23 #define WIN32_NO_STATUS
  24 #define _INC_WINDOWS
  25 #define COM_NO_WINDOWS_H
  26
  27 #include <stdarg.h>
  28
  29 #include <windef.h>
  30 #include <winbase.h>
  31 #include <winnls.h>
  32 #include <ddeml.h>
  33 #include <ole2.h>
  34
  35 #include <wine/test.h>
  36
  37 /* invalid in all versions */
  38 #define PROP_INV 0x7f
  39 /* valid in v0 and above (NT4+) */
  40 #define PROP_V0  0
  41 /* valid in v1 and above (Win2k+) */
  42 #define PROP_V1  1
  43 /* valid in v1a and above (WinXP+) */
  44 #define PROP_V1A 2
  45 #define PROP_TODO 0x80
  46
  47 static const struct valid_mapping
  48 {
  49     BYTE simple;
  50     BYTE with_array;
  51     BYTE with_vector;
  52     BYTE byref;
  53 } valid_types[] =
  54 {
  55     { PROP_V0 , PROP_INV, PROP_INV, PROP_INV }, /* VT_EMPTY */
  56     { PROP_V0 , PROP_INV, PROP_INV, PROP_INV }, /* VT_NULL */
  57     { PROP_V0 , PROP_V1 | PROP_TODO , PROP_V0 , PROP_V1 | PROP_TODO  }, /* VT_I2 */
  58     { PROP_V0 , PROP_V1 | PROP_TODO , PROP_V0 , PROP_V1 | PROP_TODO  }, /* VT_I4 */
  59     { PROP_V0 , PROP_V1 | PROP_TODO , PROP_V0 , PROP_V1 | PROP_TODO  }, /* VT_R4 */
  60     { PROP_V0 , PROP_V1 | PROP_TODO , PROP_V0 , PROP_V1 | PROP_TODO  }, /* VT_R8 */
  61     { PROP_V0 , PROP_V1 | PROP_TODO , PROP_V0 , PROP_V1 | PROP_TODO  }, /* VT_CY */
  62     { PROP_V0 , PROP_V1 | PROP_TODO , PROP_V0 , PROP_V1 | PROP_TODO  }, /* VT_DATE */
  63     { PROP_V0 , PROP_V1 | PROP_TODO , PROP_V0 , PROP_V1 | PROP_TODO  }, /* VT_BSTR */
  64     { PROP_V1 | PROP_TODO , PROP_V1 | PROP_TODO , PROP_INV, PROP_V1 | PROP_TODO  }, /* VT_DISPATCH */
  65     { PROP_V0 , PROP_V1 | PROP_TODO , PROP_V0 , PROP_V1 | PROP_TODO  }, /* VT_ERROR */
  66     { PROP_V0 , PROP_V1 | PROP_TODO , PROP_V0 , PROP_V1 | PROP_TODO  }, /* VT_BOOL */
  67     { PROP_V1 | PROP_TODO , PROP_V1 | PROP_TODO , PROP_V0 , PROP_V1 | PROP_TODO  }, /* VT_VARIANT */
  68     { PROP_V1 | PROP_TODO , PROP_V1 | PROP_TODO , PROP_INV, PROP_V1 | PROP_TODO  }, /* VT_UNKNOWN */
  69     { PROP_V1 , PROP_V1 | PROP_TODO , PROP_INV, PROP_V1 | PROP_TODO  }, /* VT_DECIMAL */
  70     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 15 */
  71     { PROP_V1 , PROP_V1 | PROP_TODO , PROP_V1 , PROP_V1 | PROP_TODO  }, /* VT_I1 */
  72     { PROP_V0 , PROP_V1 | PROP_TODO , PROP_V0 , PROP_V1 | PROP_TODO  }, /* VT_UI1 */
  73     { PROP_V0 , PROP_V1 | PROP_TODO , PROP_V0 , PROP_V1 | PROP_TODO  }, /* VT_UI2 */
  74     { PROP_V0 , PROP_V1 | PROP_TODO , PROP_V0 , PROP_V1 | PROP_TODO  }, /* VT_UI4 */
  75     { PROP_V0 , PROP_V1A | PROP_TODO, PROP_V0 , PROP_V1A | PROP_TODO }, /* VT_I8 */
  76     { PROP_V0 , PROP_V1A | PROP_TODO, PROP_V0 , PROP_V1A | PROP_TODO }, /* VT_UI8 */
  77     { PROP_V1 | PROP_TODO , PROP_V1 | PROP_TODO , PROP_INV, PROP_V1 | PROP_TODO  }, /* VT_INT */
  78     { PROP_V1 | PROP_TODO , PROP_V1 | PROP_TODO , PROP_INV, PROP_V1 | PROP_TODO  }, /* VT_UINT */
  79     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* VT_VOID */
  80     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* VT_HRESULT */
  81     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* VT_PTR */
  82     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* VT_SAFEARRAY */
  83     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* VT_CARRAY */
  84     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* VT_USERDEFINED */
  85     { PROP_V0 , PROP_INV, PROP_V0 , PROP_INV }, /* VT_LPSTR */
  86     { PROP_V0 , PROP_INV, PROP_V0 , PROP_INV }, /* VT_LPWSTR */
  87     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 32 */
  88     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 33 */
  89     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 34 */
  90     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 35 */
  91     { PROP_V1 | PROP_TODO , PROP_V1 | PROP_TODO , PROP_INV, PROP_V1 | PROP_TODO  }, /* VT_RECORD */
  92     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* VT_INT_PTR */
  93     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* VT_UINT_PTR */
  94     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 39 */
  95     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 40 */
  96     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 41 */
  97     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 42 */
  98     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 43 */
  99     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 44 */
 100     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 45 */
 101     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 46 */
 102     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 47 */
 103     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 48 */
 104     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 49 */
 105     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 50 */
 106     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 51 */
 107     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 52 */
 108     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 53 */
 109     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 54 */
 110     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 55 */
 111     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 56 */
 112     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 57 */
 113     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 58 */
 114     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 59 */
 115     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 60 */
 116     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 61 */
 117     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 62 */
 118     { PROP_INV, PROP_INV, PROP_INV, PROP_INV }, /* 63 */
 119     { PROP_V0 , PROP_INV, PROP_V0 , PROP_INV }, /* VT_FILETIME */
 120     { PROP_V0 , PROP_INV, PROP_INV, PROP_INV }, /* VT_BLOB */
 121     { PROP_V0 , PROP_INV, PROP_INV, PROP_INV }, /* VT_STREAM */
 122     { PROP_V0 , PROP_INV, PROP_INV, PROP_INV }, /* VT_STORAGE */
 123     { PROP_V0 , PROP_INV, PROP_INV, PROP_INV }, /* VT_STREAMED_OBJECT */
 124     { PROP_V0 , PROP_INV, PROP_INV, PROP_INV }, /* VT_STORED_OBJECT */
 125     { PROP_V0 , PROP_INV, PROP_INV, PROP_INV }, /* VT_BLOB_OBJECT */
 126     { PROP_V0 , PROP_INV, PROP_V0 , PROP_INV }  /* VT_CF */
 127 };
 128
 129 static const char* wine_vtypes[VT_CLSID+1] =
 130 {
 131   "VT_EMPTY","VT_NULL","VT_I2","VT_I4","VT_R4","VT_R8","VT_CY","VT_DATE",
 132   "VT_BSTR","VT_DISPATCH","VT_ERROR","VT_BOOL","VT_VARIANT","VT_UNKNOWN",
 133   "VT_DECIMAL","15","VT_I1","VT_UI1","VT_UI2","VT_UI4","VT_I8","VT_UI8",
 134   "VT_INT","VT_UINT","VT_VOID","VT_HRESULT","VT_PTR","VT_SAFEARRAY",
 135   "VT_CARRAY","VT_USERDEFINED","VT_LPSTR","VT_LPWSTR","32","33","34","35",
 136   "VT_RECORD","VT_INT_PTR","VT_UINT_PTR","39","40","41","42","43","44","45",
 137   "46","47","48","49","50","51","52","53","54","55","56","57","58","59","60",
 138   "61","62","63","VT_FILETIME","VT_BLOB","VT_STREAM","VT_STORAGE",
 139   "VT_STREAMED_OBJECT","VT_STORED_OBJECT","VT_BLOB_OBJECT","VT_CF","VT_CLSID"
 140 };
 141
 142
 143 static void expect(HRESULT hr, VARTYPE vt)
 144 {
 145     int idx = vt & VT_TYPEMASK;
 146     BYTE flags;
 147     const char *modifier;
 148
 149     if(vt & VT_BYREF)
 150     {
 151         flags = valid_types[idx].byref;
 152         modifier = "byref";
 153     }
 154     else if(vt & VT_ARRAY)
 155     {
 156         flags = valid_types[idx].with_array;
 157         modifier = "array";
 158     }
 159     else if(vt & VT_VECTOR)
 160     {
 161         flags = valid_types[idx].with_vector;
 162         modifier = "vector";
 163     }
 164     else
 165     {
 166         flags = valid_types[idx].simple;
 167         modifier = "simple";
 168     }
 169
 170     if(flags == PROP_INV)
 171         ok(hr == STG_E_INVALIDPARAMETER, "%s (%s): got %08x\n", wine_vtypes[idx], modifier, hr);
 172     else if(flags == PROP_V0)
 173         ok(hr == S_OK, "%s (%s): got %08x\n", wine_vtypes[idx], modifier, hr);
 174     else if(flags & PROP_TODO)
 175     {
 176         todo_wine
 177         {
 178         if(hr != S_OK)
 179             win_skip("%s (%s): unsupported\n", wine_vtypes[idx], modifier);
 180         else ok(hr == S_OK, "%s (%s): got %08x\n", wine_vtypes[idx], modifier, hr);
 181         }
 182     }
 183     else
 184     {
 185         if(hr != S_OK)
 186             win_skip("%s (%s): unsupported\n", wine_vtypes[idx], modifier);
 187         else ok(hr == S_OK, "%s (%s): got %08x\n", wine_vtypes[idx], modifier, hr);
 188     }
 189 }
 190
 191 static void test_validtypes(void)
 192 {
 193     PROPVARIANT propvar;
 194     HRESULT hr;
 195     unsigned int i;
 196
 197     memset(&propvar, 0, sizeof(propvar));
 198
 199     for (i = 0; i < sizeof(valid_types)/sizeof(valid_types[0]); i++)
 200     {
 201         VARTYPE vt;
 202
 203         vt = propvar.vt = i;
 204         hr = PropVariantClear(&propvar);
 205         expect(hr, vt);
 206
 207         vt = propvar.vt = i | VT_ARRAY;
 208         hr = PropVariantClear(&propvar);
 209         expect(hr, vt);
 210
 211         vt = propvar.vt = i | VT_VECTOR;
 212         hr = PropVariantClear(&propvar);
 213         expect(hr, vt);
 214
 215         vt = propvar.vt = i | VT_BYREF;
 216         hr = PropVariantClear(&propvar);
 217         expect(hr, vt);
 218
 219     }
 220 }
 221
 222 static void test_copy(void)
 223 {
 224     static char szTestString[] = "Test String";
 225     static WCHAR wszTestString[] = {'T','e','s','t',' ','S','t','r','i','n','g',0};
 226     PROPVARIANT propvarSrc;
 227     PROPVARIANT propvarDst;
 228     HRESULT hr;
 229
 230     propvarSrc.vt = VT_BSTR;
 231     U(propvarSrc).bstrVal = SysAllocString(wszTestString);
 232
 233     hr = PropVariantCopy(&propvarDst, &propvarSrc);
 234     ok(hr == S_OK, "PropVariantCopy(...VT_BSTR...) failed\n");
 235     ok(!lstrcmpW(U(propvarSrc).bstrVal, U(propvarDst).bstrVal), "BSTR not copied properly\n");
 236     hr = PropVariantClear(&propvarSrc);
 237     ok(hr == S_OK, "PropVariantClear(...VT_BSTR...) failed\n");
 238     hr = PropVariantClear(&propvarDst);
 239     ok(hr == S_OK, "PropVariantClear(...VT_BSTR...) failed\n");
 240
 241     propvarSrc.vt = VT_LPWSTR;
 242     U(propvarSrc).pwszVal = wszTestString;
 243     hr = PropVariantCopy(&propvarDst, &propvarSrc);
 244     ok(hr == S_OK, "PropVariantCopy(...VT_LPWSTR...) failed\n");
 245     ok(!lstrcmpW(U(propvarSrc).pwszVal, U(propvarDst).pwszVal), "Wide string not copied properly\n");
 246     hr = PropVariantClear(&propvarDst);
 247     ok(hr == S_OK, "PropVariantClear(...VT_LPWSTR...) failed\n");
 248     memset(&propvarSrc, 0, sizeof(propvarSrc));
 249
 250     propvarSrc.vt = VT_LPSTR;
 251     U(propvarSrc).pszVal = szTestString;
 252     hr = PropVariantCopy(&propvarDst, &propvarSrc);
 253     ok(hr == S_OK, "PropVariantCopy(...VT_LPSTR...) failed\n");
 254     ok(!strcmp(U(propvarSrc).pszVal, U(propvarDst).pszVal), "String not copied properly\n");
 255     hr = PropVariantClear(&propvarDst);
 256     ok(hr == S_OK, "PropVariantClear(...VT_LPSTR...) failed\n");
 257     memset(&propvarSrc, 0, sizeof(propvarSrc));
 258 }
 259
 260 struct _PMemoryAllocator_vtable {
 261     void *Allocate; /* virtual void* Allocate(ULONG cbSize); */
 262     void *Free; /* virtual void Free(void *pv); */
 263 };
 264
 265 typedef struct _PMemoryAllocator {
 266     struct _PMemoryAllocator_vtable *vt;
 267 } PMemoryAllocator;
 268
 269 #ifdef __i386__
 270 #define __thiscall_wrapper __stdcall
 271 #else
 272 #define __thiscall_wrapper __cdecl
 273 #endif
 274
 275 static void * __thiscall_wrapper PMemoryAllocator_Allocate(PMemoryAllocator *_this, ULONG cbSize)
 276 {
 277     return CoTaskMemAlloc(cbSize);
 278 }
 279
 280 static void __thiscall_wrapper PMemoryAllocator_Free(PMemoryAllocator *_this, void *pv)
 281 {
 282     CoTaskMemFree(pv);
 283 }
 284
 285 #ifdef __i386__
 286
 287 #include "pshpack1.h"
 288 typedef struct
 289 {
 290     BYTE pop_eax;  /* popl  %eax  */
 291     BYTE push_ecx; /* pushl %ecx  */
 292     BYTE push_eax; /* pushl %eax  */
 293     BYTE jmp_func; /* jmp   $func */
 294     DWORD func;
 295 } THISCALL_TO_STDCALL_THUNK;
 296 #include "poppack.h"
 297
 298 static THISCALL_TO_STDCALL_THUNK *wrapperCodeMem = NULL;
 299
 300 static void fill_thunk(THISCALL_TO_STDCALL_THUNK *thunk, void *fn)
 301 {
 302     thunk->pop_eax = 0x58;
 303     thunk->push_ecx = 0x51;
 304     thunk->push_eax = 0x50;
 305     thunk->jmp_func = 0xe9;
 306     thunk->func = (char*)fn - (char*)(&thunk->func + 1);
 307 }
 308
 309 static void setup_vtable(struct _PMemoryAllocator_vtable *vtable)
 310 {
 311     wrapperCodeMem = VirtualAlloc(NULL, 2 * sizeof(*wrapperCodeMem),
 312                                   MEM_COMMIT, PAGE_EXECUTE_READWRITE);
 313
 314     fill_thunk(&wrapperCodeMem[0], PMemoryAllocator_Allocate);
 315     fill_thunk(&wrapperCodeMem[1], PMemoryAllocator_Free);
 316
 317     vtable->Allocate = &wrapperCodeMem[0];
 318     vtable->Free = &wrapperCodeMem[1];
 319 }
 320
 321 #else
 322
 323 static void setup_vtable(struct _PMemoryAllocator_vtable *vtable)
 324 {
 325     vtable->Allocate = PMemoryAllocator_Allocate;
 326     vtable->Free = PMemoryAllocator_Free;
 327 }
 328
 329 #endif
 330
 331 static const char serialized_empty[] = {
 332     0,0, /* VT_EMPTY */
 333     0,0, /* padding */
 334 };
 335
 336 static const char serialized_null[] = {
 337     1,0, /* VT_NULL */
 338     0,0, /* padding */
 339 };
 340
 341 static const char serialized_i4[] = {
 342     3,0, /* VT_I4 */
 343     0,0, /* padding */
 344     0xef,0xcd,0xab,0xfe
 345 };
 346
 347 static const char serialized_bstr_wc[] = {
 348     8,0, /* VT_BSTR */
 349     0,0, /* padding */
 350     10,0,0,0, /* size */
 351     't',0,'e',0,
 352     's',0,'t',0,
 353     0,0,0,0
 354 };
 355
 356 static const char serialized_bstr_mb[] = {
 357     8,0, /* VT_BSTR */
 358     0,0, /* padding */
 359     5,0,0,0, /* size */
 360     't','e','s','t',
 361     0,0,0,0
 362 };
 363
 364 static void test_propertytovariant(void)
 365 {
 366     HANDLE hole32;
 367     BOOLEAN (__stdcall *pStgConvertPropertyToVariant)(const SERIALIZEDPROPERTYVALUE*,USHORT,PROPVARIANT*,PMemoryAllocator*);
 368     PROPVARIANT propvar;
 369     PMemoryAllocator allocator;
 370     struct _PMemoryAllocator_vtable vtable;
 371     BOOLEAN ret;
 372     static const WCHAR test_string[] = {'t','e','s','t',0};
 373
 374     hole32 = GetModuleHandleA("ole32");
 375
 376     pStgConvertPropertyToVariant = (void*)GetProcAddress(hole32, "StgConvertPropertyToVariant");
 377
 378     if (!pStgConvertPropertyToVariant)
 379     {
 380         win_skip("StgConvertPropertyToVariant not available\n");
 381         return;
 382     }
 383
 384     setup_vtable(&vtable);
 385     allocator.vt = &vtable;
 386
 387     ret = pStgConvertPropertyToVariant((SERIALIZEDPROPERTYVALUE*)serialized_empty,
 388         CP_WINUNICODE, &propvar, &allocator);
 389
 390     ok(ret == 0, "StgConvertPropertyToVariant returned %i\n", ret);
 391     ok(propvar.vt == VT_EMPTY, "unexpected vt %x\n", propvar.vt);
 392
 393     ret = pStgConvertPropertyToVariant((SERIALIZEDPROPERTYVALUE*)serialized_null,
 394         CP_WINUNICODE, &propvar, &allocator);
 395
 396     ok(ret == 0, "StgConvertPropertyToVariant returned %i\n", ret);
 397     ok(propvar.vt == VT_NULL, "unexpected vt %x\n", propvar.vt);
 398
 399     ret = pStgConvertPropertyToVariant((SERIALIZEDPROPERTYVALUE*)serialized_i4,
 400         CP_WINUNICODE, &propvar, &allocator);
 401
 402     ok(ret == 0, "StgConvertPropertyToVariant returned %i\n", ret);
 403     ok(propvar.vt == VT_I4, "unexpected vt %x\n", propvar.vt);
 404     ok(U(propvar).lVal == 0xfeabcdef, "unexpected lVal %x\n", U(propvar).lVal);
 405
 406     ret = pStgConvertPropertyToVariant((SERIALIZEDPROPERTYVALUE*)serialized_bstr_wc,
 407         CP_WINUNICODE, &propvar, &allocator);
 408
 409     ok(ret == 0, "StgConvertPropertyToVariant returned %i\n", ret);
 410     ok(propvar.vt == VT_BSTR, "unexpected vt %x\n", propvar.vt);
 411     ok(!lstrcmpW(U(propvar).bstrVal, test_string), "unexpected string value\n");
 412     PropVariantClear(&propvar);
 413
 414     ret = pStgConvertPropertyToVariant((SERIALIZEDPROPERTYVALUE*)serialized_bstr_mb,
 415         CP_UTF8, &propvar, &allocator);
 416
 417     ok(ret == 0, "StgConvertPropertyToVariant returned %i\n", ret);
 418     ok(propvar.vt == VT_BSTR, "unexpected vt %x\n", propvar.vt);
 419     ok(!lstrcmpW(U(propvar).bstrVal, test_string), "unexpected string value\n");
 420     PropVariantClear(&propvar);
 421 }
 422
 423 static void test_varianttoproperty(void)
 424 {
 425     HANDLE hole32;
 426     PROPVARIANT propvar;
 427     SERIALIZEDPROPERTYVALUE *propvalue, *own_propvalue;
 428     SERIALIZEDPROPERTYVALUE* (__stdcall *pStgConvertVariantToProperty)(
 429         const PROPVARIANT*,USHORT,SERIALIZEDPROPERTYVALUE*,ULONG*,PROPID,BOOLEAN,ULONG*);
 430     ULONG len;
 431     static const WCHAR test_string[] = {'t','e','s','t',0};
 432     BSTR test_string_bstr;
 433
 434     hole32 = GetModuleHandleA("ole32");
 435
 436     pStgConvertVariantToProperty = (void*)GetProcAddress(hole32, "StgConvertVariantToProperty");
 437
 438     if (!pStgConvertVariantToProperty)
 439     {
 440         win_skip("StgConvertVariantToProperty not available\n");
 441         return;
 442     }
 443
 444     own_propvalue = HeapAlloc(GetProcessHeap(), 0, sizeof(SERIALIZEDPROPERTYVALUE) + 20);
 445
 446     PropVariantInit(&propvar);
 447
 448     propvar.vt = VT_I4;
 449     U(propvar).lVal = 0xfeabcdef;
 450
 451     len = 0xdeadbeef;
 452     propvalue = pStgConvertVariantToProperty(&propvar, CP_WINUNICODE, NULL, &len,
 453         0, FALSE, 0);
 454
 455     ok(propvalue == NULL, "got nonnull propvalue\n");
 456     todo_wine ok(len == 8, "unexpected length %d\n", len);
 457
 458     if (len == 0xdeadbeef)
 459     {
 460         HeapFree(GetProcessHeap(), 0, own_propvalue);
 461         return;
 462     }
 463
 464     len = 20;
 465     propvalue = pStgConvertVariantToProperty(&propvar, CP_WINUNICODE, own_propvalue, &len,
 466         0, FALSE, 0);
 467
 468     ok(propvalue == own_propvalue, "unexpected propvalue %p\n", propvalue);
 469     ok(len == 8, "unexpected length %d\n", len);
 470     ok(!memcmp(propvalue, serialized_i4, 8), "got wrong data\n");
 471
 472     propvar.vt = VT_EMPTY;
 473     len = 20;
 474     own_propvalue->dwType = 0xdeadbeef;
 475     propvalue = pStgConvertVariantToProperty(&propvar, CP_WINUNICODE, own_propvalue, &len,
 476         0, FALSE, 0);
 477
 478     ok(propvalue == own_propvalue, "unexpected propvalue %p\n", propvalue);
 479     ok(len == 4 || broken(len == 0) /* before Vista */, "unexpected length %d\n", len);
 480     if (len) ok(!memcmp(propvalue, serialized_empty, 4), "got wrong data\n");
 481     else ok(propvalue->dwType == 0xdeadbeef, "unexpected type %d\n", propvalue->dwType);
 482
 483     propvar.vt = VT_NULL;
 484     len = 20;
 485     propvalue = pStgConvertVariantToProperty(&propvar, CP_WINUNICODE, own_propvalue, &len,
 486         0, FALSE, 0);
 487
 488     ok(propvalue == own_propvalue, "unexpected propvalue %p\n", propvalue);
 489     ok(len == 4, "unexpected length %d\n", len);
 490     ok(!memcmp(propvalue, serialized_null, 4), "got wrong data\n");
 491
 492     test_string_bstr = SysAllocString(test_string);
 493
 494     propvar.vt = VT_BSTR;
 495     U(propvar).bstrVal = test_string_bstr;
 496     len = 20;
 497     propvalue = pStgConvertVariantToProperty(&propvar, CP_WINUNICODE, own_propvalue, &len,
 498         0, FALSE, 0);
 499
 500     ok(propvalue == own_propvalue, "unexpected propvalue %p\n", propvalue);
 501     ok(len == 20, "unexpected length %d\n", len);
 502     ok(!memcmp(propvalue, serialized_bstr_wc, 20), "got wrong data\n");
 503
 504     len = 20;
 505     propvalue = pStgConvertVariantToProperty(&propvar, CP_UTF8, own_propvalue, &len,
 506         0, FALSE, 0);
 507
 508     ok(propvalue == own_propvalue, "unexpected propvalue %p\n", propvalue);
 509     ok(len == 16, "unexpected length %d\n", len);
 510     ok(!memcmp(propvalue, serialized_bstr_mb, 16), "got wrong data\n");
 511
 512     SysFreeString(test_string_bstr);
 513
 514     HeapFree(GetProcessHeap(), 0, own_propvalue);
 515 }
 516
 517 START_TEST(propvariant)
 518 {
 519     test_validtypes();
 520     test_copy();
 521     test_propertytovariant();
 522     test_varianttoproperty();
 523 }