dlls/oledb32/tests/convert.c

   1 /* OLE DB Conversion library tests
   2  *
   3  * Copyright 2009 Huw Davies
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include <stdarg.h>
  21
  22 #define COBJMACROS
  23 #define NONAMELESSUNION
  24 #define NONAMELESSSTRUCT
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "ole2.h"
  29 #include "msdadc.h"
  30
  31 #include "oledberr.h"
  32
  33 #include "initguid.h"
  34 #include "msdaguid.h"
  35
  36 #include "wine/test.h"
  37
  38 static IDataConvert *convert;
  39
  40 static void test_dcinfo(void)
  41 {
  42     IDCInfo *info;
  43     HRESULT hr;
  44     DCINFOTYPE types[2];
  45     DCINFO *inf;
  46
  47     hr = CoCreateInstance(&CLSID_OLEDB_CONVERSIONLIBRARY, NULL, CLSCTX_INPROC_SERVER, &IID_IDCInfo, (void**)&info);
  48     if(FAILED(hr))
  49     {
  50         win_skip("Unable to load oledb conversion library\n");
  51         return;
  52     }
  53
  54     types[0] = DCINFOTYPE_VERSION;
  55     hr = IDCInfo_GetInfo(info, 1, types, &inf);
  56     ok(hr == S_OK, "got %08x\n", hr);
  57
  58     ok(inf->eInfoType == DCINFOTYPE_VERSION, "got %08x\n", inf->eInfoType);
  59     ok(V_VT(&inf->vData) == VT_UI4, "got %08x\n", V_VT(&inf->vData));
  60     ok(V_UI4(&inf->vData) == 0x110, "got %08x\n", V_UI4(&inf->vData));
  61
  62     V_UI4(&inf->vData) = 0x200;
  63     hr = IDCInfo_SetInfo(info, 1, inf);
  64     ok(hr == S_OK, "got %08x\n", hr);
  65     CoTaskMemFree(inf);
  66
  67     hr = IDCInfo_GetInfo(info, 1, types, &inf);
  68     ok(hr == S_OK, "got %08x\n", hr);
  69     ok(inf->eInfoType == DCINFOTYPE_VERSION, "got %08x\n", inf->eInfoType);
  70     ok(V_VT(&inf->vData) == VT_UI4, "got %08x\n", V_VT(&inf->vData));
  71     ok(V_UI4(&inf->vData) == 0x200, "got %08x\n", V_UI4(&inf->vData));
  72
  73     V_UI4(&inf->vData) = 0x100;
  74     hr = IDCInfo_SetInfo(info, 1, inf);
  75     ok(hr == S_OK, "got %08x\n", hr);
  76     CoTaskMemFree(inf);
  77
  78     hr = IDCInfo_GetInfo(info, 1, types, &inf);
  79     ok(hr == S_OK, "got %08x\n", hr);
  80     ok(inf->eInfoType == DCINFOTYPE_VERSION, "got %08x\n", inf->eInfoType);
  81     ok(V_VT(&inf->vData) == VT_UI4, "got %08x\n", V_VT(&inf->vData));
  82     ok(V_UI4(&inf->vData) == 0x100, "got %08x\n", V_UI4(&inf->vData));
  83
  84     V_UI4(&inf->vData) = 0x500;
  85     hr = IDCInfo_SetInfo(info, 1, inf);
  86     ok(hr == S_OK, "got %08x\n", hr);
  87     CoTaskMemFree(inf);
  88
  89     hr = IDCInfo_GetInfo(info, 1, types, &inf);
  90     ok(hr == S_OK, "got %08x\n", hr);
  91     ok(inf->eInfoType == DCINFOTYPE_VERSION, "got %08x\n", inf->eInfoType);
  92     ok(V_VT(&inf->vData) == VT_UI4, "got %08x\n", V_VT(&inf->vData));
  93     ok(V_UI4(&inf->vData) == 0x500, "got %08x\n", V_UI4(&inf->vData));
  94
  95     V_UI4(&inf->vData) = 0xffff;
  96     hr = IDCInfo_SetInfo(info, 1, inf);
  97     ok(hr == S_OK, "got %08x\n", hr);
  98     CoTaskMemFree(inf);
  99
 100     hr = IDCInfo_GetInfo(info, 1, types, &inf);
 101     ok(hr == S_OK, "got %08x\n", hr);
 102     ok(inf->eInfoType == DCINFOTYPE_VERSION, "got %08x\n", inf->eInfoType);
 103     ok(V_VT(&inf->vData) == VT_UI4, "got %08x\n", V_VT(&inf->vData));
 104     ok(V_UI4(&inf->vData) == 0xffff, "got %08x\n", V_UI4(&inf->vData));
 105
 106     V_UI4(&inf->vData) = 0x12345678;
 107     hr = IDCInfo_SetInfo(info, 1, inf);
 108     ok(hr == S_OK, "got %08x\n", hr);
 109     CoTaskMemFree(inf);
 110
 111     hr = IDCInfo_GetInfo(info, 1, types, &inf);
 112     ok(hr == S_OK, "got %08x\n", hr);
 113     ok(inf->eInfoType == DCINFOTYPE_VERSION, "got %08x\n", inf->eInfoType);
 114     ok(V_VT(&inf->vData) == VT_UI4, "got %08x\n", V_VT(&inf->vData));
 115     ok(V_UI4(&inf->vData) == 0x12345678, "got %08x\n", V_UI4(&inf->vData));
 116
 117     /* Try setting a version variant of something other than VT_UI4 */
 118     V_VT(&inf->vData) = VT_I4;
 119     V_I4(&inf->vData) = 0x200;
 120     hr = IDCInfo_SetInfo(info, 1, inf);
 121     ok(hr == DB_S_ERRORSOCCURRED, "got %08x\n", hr);
 122     CoTaskMemFree(inf);
 123
 124     hr = IDCInfo_GetInfo(info, 1, types, &inf);
 125     ok(hr == S_OK, "got %08x\n", hr);
 126     ok(inf->eInfoType == DCINFOTYPE_VERSION, "got %08x\n", inf->eInfoType);
 127     ok(V_VT(&inf->vData) == VT_UI4, "got %08x\n", V_VT(&inf->vData));
 128     ok(V_UI4(&inf->vData) == 0x12345678, "got %08x\n", V_UI4(&inf->vData));
 129     CoTaskMemFree(inf);
 130
 131     /* More than one type */
 132     types[1] = 2;
 133     hr = IDCInfo_GetInfo(info, 2, types, &inf);
 134     ok(hr == S_OK, "got %08x\n", hr);
 135     ok(inf[0].eInfoType == DCINFOTYPE_VERSION, "got %08x\n", inf[0].eInfoType);
 136     ok(V_VT(&inf[0].vData) == VT_UI4, "got %08x\n", V_VT(&inf[0].vData));
 137     ok(V_UI4(&inf[0].vData) == 0x12345678, "got %08x\n", V_UI4(&inf[0].vData));
 138     ok(inf[1].eInfoType == 2, "got %08x\n", inf[1].eInfoType);
 139     ok(V_VT(&inf[1].vData) == VT_EMPTY, "got %08x\n", V_VT(&inf[1].vData));
 140
 141     hr = IDCInfo_SetInfo(info, 2, inf);
 142     ok(hr == S_OK, "got %08x\n", hr);
 143     CoTaskMemFree(inf);
 144
 145
 146     IDCInfo_Release(info);
 147 }
 148
 149 static const struct can_convert
 150 {
 151     DBTYPE type;
 152     DWORD can_convert_to;
 153 } simple_convert[] =
 154 {
 155     {DBTYPE_EMPTY,       0x63bfd9ff},
 156     {DBTYPE_NULL,        0x40001002},
 157     {DBTYPE_I2,          0x3b9fd9ff},
 158     {DBTYPE_I4,          0x3bdfd9ff},
 159
 160     {DBTYPE_R4,          0x3b9fd9ff},
 161     {DBTYPE_R8,          0x3b9fd9ff},
 162     {DBTYPE_CY,          0x039fd97f},
 163     {DBTYPE_DATE,        0x799f99bf},
 164
 165     {DBTYPE_BSTR,        0x7bffd9ff},
 166     {DBTYPE_IDISPATCH,   0x7bffffff},
 167     {DBTYPE_ERROR,       0x01001500},
 168     {DBTYPE_BOOL,        0x039fd9ff},
 169
 170     {DBTYPE_VARIANT,     0x7bffffff},
 171     {DBTYPE_IUNKNOWN,    0x00003203},
 172     {DBTYPE_DECIMAL,     0x3b9fd97f},
 173     {DBTYPE_I1,          0x3b9fd9ff},
 174
 175     {DBTYPE_UI1,         0x3b9fd9ff},
 176     {DBTYPE_UI2,         0x3b9fd9ff},
 177     {DBTYPE_UI4,         0x3bdfd9ff},
 178     {DBTYPE_I8,          0x43dfd97f},
 179
 180     {DBTYPE_UI8,         0x43dfd97f},
 181     {DBTYPE_GUID,        0x01e01103},
 182     {DBTYPE_BYTES,       0x01fc110b},
 183     {DBTYPE_STR,         0x7bffd9ff},
 184
 185     {DBTYPE_WSTR,        0x7bffd9ff},
 186     {DBTYPE_NUMERIC,     0x039fd97f},
 187     {DBTYPE_UDT,         0x00000000},
 188     {DBTYPE_DBDATE,      0x79801183},
 189
 190     {DBTYPE_DBTIME,      0x79801183},
 191     {DBTYPE_DBTIMESTAMP, 0x79801183},
 192     {DBTYPE_FILETIME,    0x79981183}
 193 };
 194
 195
 196 static inline BOOL array_type(DBTYPE type)
 197 {
 198     return (type >= DBTYPE_I2 && type <= DBTYPE_UI4);
 199 }
 200
 201 static void test_canconvert(void)
 202 {
 203     HRESULT hr;
 204     int src_idx, dst_idx;
 205
 206     /* Some older versions of the library don't support several conversions, we'll skip
 207        if we have such a library */
 208     hr = IDataConvert_CanConvert(convert, DBTYPE_EMPTY, DBTYPE_DBTIMESTAMP);
 209     if(hr == S_FALSE)
 210     {
 211         win_skip("Doesn't handle DBTYPE_EMPTY -> DBTYPE_DBTIMESTAMP conversion so skipping\n");
 212         return;
 213     }
 214
 215     /* Some older versions of the library don't support several conversions, we'll skip
 216        if we have such a library */
 217     hr = IDataConvert_CanConvert(convert, DBTYPE_EMPTY, DBTYPE_DBTIMESTAMP);
 218     if(hr == S_FALSE)
 219     {
 220         win_skip("Doesn't handle DBTYPE_EMPTY -> DBTYPE_DBTIMESTAMP conversion so skipping\n");
 221         return;
 222     }
 223
 224     for(src_idx = 0; src_idx < sizeof(simple_convert) / sizeof(simple_convert[0]); src_idx++)
 225         for(dst_idx = 0; dst_idx < sizeof(simple_convert) / sizeof(simple_convert[0]); dst_idx++)
 226         {
 227             BOOL expect, simple_expect;
 228             simple_expect = (simple_convert[src_idx].can_convert_to >> dst_idx) & 1;
 229
 230             hr = IDataConvert_CanConvert(convert, simple_convert[src_idx].type, simple_convert[dst_idx].type);
 231             expect = simple_expect;
 232             ok((hr == S_OK && expect == TRUE) ||
 233                (hr == S_FALSE && expect == FALSE),
 234                "%04x -> %04x: got %08x expect conversion to be %spossible\n", simple_convert[src_idx].type,
 235                simple_convert[dst_idx].type, hr, expect ? "" : "not ");
 236
 237             /* src DBTYPE_BYREF */
 238             hr = IDataConvert_CanConvert(convert, simple_convert[src_idx].type | DBTYPE_BYREF, simple_convert[dst_idx].type);
 239             expect = simple_expect;
 240             ok((hr == S_OK && expect == TRUE) ||
 241                (hr == S_FALSE && expect == FALSE),
 242                "%04x -> %04x: got %08x expect conversion to be %spossible\n", simple_convert[src_idx].type | DBTYPE_BYREF,
 243                simple_convert[dst_idx].type, hr, expect ? "" : "not ");
 244
 245             /* dst DBTYPE_BYREF */
 246             hr = IDataConvert_CanConvert(convert, simple_convert[src_idx].type, simple_convert[dst_idx].type | DBTYPE_BYREF);
 247             expect = FALSE;
 248             if(simple_expect &&
 249                (simple_convert[dst_idx].type == DBTYPE_BYTES ||
 250                 simple_convert[dst_idx].type == DBTYPE_STR ||
 251                 simple_convert[dst_idx].type == DBTYPE_WSTR))
 252                 expect = TRUE;
 253             ok((hr == S_OK && expect == TRUE) ||
 254                (hr == S_FALSE && expect == FALSE),
 255                "%04x -> %04x: got %08x expect conversion to be %spossible\n", simple_convert[src_idx].type,
 256                simple_convert[dst_idx].type | DBTYPE_BYREF, hr, expect ? "" : "not ");
 257
 258             /* src & dst DBTYPE_BYREF */
 259             hr = IDataConvert_CanConvert(convert, simple_convert[src_idx].type | DBTYPE_BYREF, simple_convert[dst_idx].type | DBTYPE_BYREF);
 260             expect = FALSE;
 261             if(simple_expect &&
 262                (simple_convert[dst_idx].type == DBTYPE_BYTES ||
 263                 simple_convert[dst_idx].type == DBTYPE_STR ||
 264                 simple_convert[dst_idx].type == DBTYPE_WSTR))
 265                 expect = TRUE;
 266             ok((hr == S_OK && expect == TRUE) ||
 267                (hr == S_FALSE && expect == FALSE),
 268                "%04x -> %04x: got %08x expect conversion to be %spossible\n", simple_convert[src_idx].type | DBTYPE_BYREF,
 269                simple_convert[dst_idx].type | DBTYPE_BYREF, hr, expect ? "" : "not ");
 270
 271             /* src DBTYPE_ARRAY */
 272             hr = IDataConvert_CanConvert(convert, simple_convert[src_idx].type | DBTYPE_ARRAY, simple_convert[dst_idx].type);
 273             expect = FALSE;
 274             if(array_type(simple_convert[src_idx].type) && simple_convert[dst_idx].type == DBTYPE_VARIANT)
 275                 expect = TRUE;
 276             ok((hr == S_OK && expect == TRUE) ||
 277                (hr == S_FALSE && expect == FALSE),
 278                "%04x -> %04x: got %08x expect conversion to be %spossible\n", simple_convert[src_idx].type | DBTYPE_ARRAY,
 279                simple_convert[dst_idx].type, hr, expect ? "" : "not ");
 280
 281             /* dst DBTYPE_ARRAY */
 282             hr = IDataConvert_CanConvert(convert, simple_convert[src_idx].type, simple_convert[dst_idx].type | DBTYPE_ARRAY);
 283             expect = FALSE;
 284             if(array_type(simple_convert[dst_idx].type) &&
 285                (simple_convert[src_idx].type == DBTYPE_IDISPATCH ||
 286                 simple_convert[src_idx].type == DBTYPE_VARIANT))
 287                 expect = TRUE;
 288             ok((hr == S_OK && expect == TRUE) ||
 289                (hr == S_FALSE && expect == FALSE),
 290                "%04x -> %04x: got %08x expect conversion to be %spossible\n", simple_convert[src_idx].type,
 291                simple_convert[dst_idx].type | DBTYPE_ARRAY, hr, expect ? "" : "not ");
 292
 293             /* src & dst DBTYPE_ARRAY */
 294             hr = IDataConvert_CanConvert(convert, simple_convert[src_idx].type | DBTYPE_ARRAY, simple_convert[dst_idx].type | DBTYPE_ARRAY);
 295             expect = FALSE;
 296             if(array_type(simple_convert[src_idx].type) &&
 297                simple_convert[src_idx].type == simple_convert[dst_idx].type)
 298                 expect = TRUE;
 299             ok((hr == S_OK && expect == TRUE) ||
 300                (hr == S_FALSE && expect == FALSE),
 301                "%04x -> %04x: got %08x expect conversion to be %spossible\n", simple_convert[src_idx].type | DBTYPE_ARRAY,
 302                simple_convert[dst_idx].type | DBTYPE_ARRAY, hr, expect ? "" : "not ");
 303
 304             /* src DBTYPE_VECTOR */
 305             hr = IDataConvert_CanConvert(convert, simple_convert[src_idx].type | DBTYPE_VECTOR, simple_convert[dst_idx].type);
 306             expect = FALSE;
 307             ok((hr == S_OK && expect == TRUE) ||
 308                (hr == S_FALSE && expect == FALSE),
 309                "%04x -> %04x: got %08x expect conversion to be %spossible\n", simple_convert[src_idx].type | DBTYPE_VECTOR,
 310                simple_convert[dst_idx].type, hr, expect ? "" : "not ");
 311
 312             /* dst DBTYPE_VECTOR */
 313             hr = IDataConvert_CanConvert(convert, simple_convert[src_idx].type, simple_convert[dst_idx].type | DBTYPE_VECTOR);
 314             expect = FALSE;
 315             ok((hr == S_OK && expect == TRUE) ||
 316                (hr == S_FALSE && expect == FALSE),
 317                "%04x -> %04x: got %08x expect conversion to be %spossible\n", simple_convert[src_idx].type,
 318                simple_convert[dst_idx].type | DBTYPE_VECTOR, hr, expect ? "" : "not ");
 319
 320             /* src & dst DBTYPE_VECTOR */
 321             hr = IDataConvert_CanConvert(convert, simple_convert[src_idx].type | DBTYPE_VECTOR, simple_convert[dst_idx].type | DBTYPE_VECTOR);
 322             expect = FALSE;
 323             ok((hr == S_OK && expect == TRUE) ||
 324                (hr == S_FALSE && expect == FALSE),
 325                "%04x -> %04x: got %08x expect conversion to be %spossible\n", simple_convert[src_idx].type | DBTYPE_VECTOR,
 326                simple_convert[dst_idx].type | DBTYPE_VECTOR, hr, expect ? "" : "not ");
 327
 328
 329         }
 330 }
 331
 332 static void test_converttoi2(void)
 333 {
 334     HRESULT hr;
 335     signed short dst;
 336     BYTE src[20];
 337     DBSTATUS dst_status;
 338     DBLENGTH dst_len;
 339     static const WCHAR ten[] = {'1','0',0};
 340     BSTR b;
 341
 342     dst_len = dst = 0x1234;
 343     hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 344     ok(hr == S_OK, "got %08x\n", hr);
 345     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 346     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 347     ok(dst == 0, "got %08x\n", dst);
 348
 349     dst_len = dst = 0x1234;
 350     hr = IDataConvert_DataConvert(convert, DBTYPE_NULL, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 351     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
 352     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
 353     ok(dst_len == 0x1234, "got %ld\n", dst_len);
 354     ok(dst == 0x1234, "got %08x\n", dst);
 355
 356     dst_len = dst = 0x1234;
 357     *(short *)src = 0x4321;
 358     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 359     ok(hr == S_OK, "got %08x\n", hr);
 360     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 361     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 362     ok(dst == 0x4321, "got %08x\n", dst);
 363
 364     dst_len = dst = 0x1234;
 365     *(int *)src = 0x4321cafe;
 366     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 367 todo_wine
 368     ok(hr == DB_E_DATAOVERFLOW, "got %08x\n", hr);
 369     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
 370     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 371     ok(dst == 0x1234, "got %08x\n", dst);
 372
 373     dst_len = dst = 0x1234;
 374     *(int *)src = 0x4321;
 375     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 376     ok(hr == S_OK, "got %08x\n", hr);
 377     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 378     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 379     ok(dst == 0x4321, "got %08x\n", dst);
 380
 381     dst_len = dst = 0x1234;
 382     *(FLOAT *)src = 10.75;
 383     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 384     ok(hr == S_OK, "got %08x\n", hr);
 385     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 386     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 387     ok(dst == 11, "got %08x\n", dst);
 388
 389     dst_len = dst = 0x1234;
 390     *(FLOAT *)src = -10.75;
 391     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 392     ok(hr == S_OK, "got %08x\n", hr);
 393     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 394     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 395     ok(dst == -11, "got %08x\n", dst);
 396
 397     dst_len = dst = 0x1234;
 398     *(double *)src = 10.75;
 399     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 400     ok(hr == S_OK, "got %08x\n", hr);
 401     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 402     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 403     ok(dst == 11, "got %08x\n", dst);
 404
 405     dst_len = dst = 0x1234;
 406     ((LARGE_INTEGER *)src)->QuadPart = 107500;
 407     hr = IDataConvert_DataConvert(convert, DBTYPE_CY, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 408     ok(hr == S_OK, "got %08x\n", hr);
 409     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 410     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 411     ok(dst == 11, "got %08x\n", dst);
 412
 413     dst_len = dst = 0x1234;
 414     *(DATE *)src = 10.7500;
 415     hr = IDataConvert_DataConvert(convert, DBTYPE_DATE, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 416     ok(hr == S_OK, "got %08x\n", hr);
 417     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 418     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 419     ok(dst == 11, "got %08x\n", dst);
 420
 421     dst_len = dst = 0x1234;
 422     b = SysAllocString(ten);
 423     *(BSTR *)src = b;
 424     hr = IDataConvert_DataConvert(convert, DBTYPE_BSTR, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 425     ok(hr == S_OK, "got %08x\n", hr);
 426     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 427     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 428     ok(dst == 10, "got %08x\n", dst);
 429     SysFreeString(b);
 430
 431     dst_len = dst = 0x1234;
 432     *(SCODE *)src = 0x4321cafe;
 433     hr = IDataConvert_DataConvert(convert, DBTYPE_ERROR, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 434     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
 435     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
 436     ok(dst_len == 0x1234, "got %ld\n", dst_len);
 437     ok(dst == 0x1234, "got %08x\n", dst);
 438
 439     dst_len = dst = 0x1234;
 440     *(VARIANT_BOOL *)src = VARIANT_TRUE;
 441     hr = IDataConvert_DataConvert(convert, DBTYPE_BOOL, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 442     ok(hr == S_OK, "got %08x\n", hr);
 443     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 444     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 445     ok(dst == -1, "got %08x\n", dst);
 446
 447     dst_len = dst = 0x1234;
 448     *(VARIANT_BOOL *)src = VARIANT_FALSE;
 449     hr = IDataConvert_DataConvert(convert, DBTYPE_BOOL, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 450     ok(hr == S_OK, "got %08x\n", hr);
 451     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 452     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 453     ok(dst == 0, "got %08x\n", dst);
 454
 455     dst_len = dst = 0x1234;
 456     V_VT((VARIANT*)src) = VT_I2;
 457     V_I2((VARIANT*)src) = 0x4321;
 458     hr = IDataConvert_DataConvert(convert, DBTYPE_VARIANT, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 459     ok(hr == S_OK, "got %08x\n", hr);
 460     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 461     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 462     ok(dst == 0x4321, "got %08x\n", dst);
 463
 464     dst_len = dst = 0x1234;
 465     memset(src, 0, sizeof(DECIMAL));
 466     ((DECIMAL*)src)->u1.Lo64 = 0x4321;
 467     hr = IDataConvert_DataConvert(convert, DBTYPE_DECIMAL, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 468     ok(hr == S_OK, "got %08x\n", hr);
 469     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 470     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 471     ok(dst == 0x4321, "got %08x\n", dst);
 472
 473     dst_len = dst = 0x1234;
 474     *(signed char*)src = 0xab;
 475     hr = IDataConvert_DataConvert(convert, DBTYPE_I1, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 476     ok(hr == S_OK, "got %08x\n", hr);
 477     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 478     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 479     ok(dst == (signed short)0xffab, "got %08x\n", dst);
 480
 481     dst_len = dst = 0x1234;
 482     *(BYTE*)src = 0xab;
 483     hr = IDataConvert_DataConvert(convert, DBTYPE_UI1, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 484     ok(hr == S_OK, "got %08x\n", hr);
 485     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 486     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 487     ok(dst == 0xab, "got %08x\n", dst);
 488
 489     dst_len = dst = 0x1234;
 490     *(WORD*)src = 0x4321;
 491     hr = IDataConvert_DataConvert(convert, DBTYPE_UI2, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 492     ok(hr == S_OK, "got %08x\n", hr);
 493     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 494     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 495     ok(dst == 0x4321, "got %08x\n", dst);
 496
 497     dst_len = dst = 0x1234;
 498     *(WORD*)src = 0xabcd;
 499     hr = IDataConvert_DataConvert(convert, DBTYPE_UI2, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 500     ok(hr == DB_E_ERRORSOCCURRED, "got %08x\n", hr);
 501     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
 502 todo_wine
 503     ok(broken(dst_len == sizeof(dst)) || dst_len == 0x1234 /* W2K+ */, "got %ld\n", dst_len);
 504     ok(dst == 0x1234, "got %08x\n", dst);
 505
 506     dst_len = dst = 0x1234;
 507     *(DWORD*)src = 0xabcd1234;
 508     hr = IDataConvert_DataConvert(convert, DBTYPE_UI4, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 509 todo_wine
 510     ok(hr == DB_E_DATAOVERFLOW, "got %08x\n", hr);
 511     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
 512     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 513     ok(dst == 0x1234, "got %08x\n", dst);
 514
 515     dst_len = dst = 0x1234;
 516     *(DWORD*)src = 0x1234abcd;
 517     hr = IDataConvert_DataConvert(convert, DBTYPE_UI4, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 518 todo_wine
 519     ok(hr == DB_E_DATAOVERFLOW, "got %08x\n", hr);
 520     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
 521     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 522     ok(dst == 0x1234, "got %08x\n", dst);
 523
 524     dst_len = dst = 0x1234;
 525     *(DWORD*)src = 0x4321;
 526     hr = IDataConvert_DataConvert(convert, DBTYPE_UI4, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 527     ok(hr == S_OK, "got %08x\n", hr);
 528     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 529     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 530     ok(dst == 0x4321, "got %08x\n", dst);
 531
 532     dst_len = dst = 0x1234;
 533     ((LARGE_INTEGER*)src)->QuadPart = 0x1234abcd;
 534     hr = IDataConvert_DataConvert(convert, DBTYPE_I8, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 535     ok(hr == DB_E_ERRORSOCCURRED ||
 536        broken(hr == DB_E_UNSUPPORTEDCONVERSION), /* win98 */
 537        "got %08x\n", hr);
 538     if(hr != DB_E_UNSUPPORTEDCONVERSION) /* win98 doesn't support I8/UI8 */
 539     {
 540         ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
 541         ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 542         ok(dst == 0x1234, "got %08x\n", dst);
 543
 544         dst_len = dst = 0x1234;
 545         ((LARGE_INTEGER*)src)->QuadPart = 0x4321;
 546         hr = IDataConvert_DataConvert(convert, DBTYPE_I8, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 547         ok(hr == S_OK, "got %08x\n", hr);
 548         ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 549         ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 550         ok(dst == 0x4321, "got %08x\n", dst);
 551
 552         dst_len = dst = 0x1234;
 553         ((ULARGE_INTEGER*)src)->QuadPart = 0x4321;
 554         hr = IDataConvert_DataConvert(convert, DBTYPE_UI8, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 555         ok(hr == S_OK, "got %08x\n", hr);
 556         ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 557         ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 558         ok(dst == 0x4321, "got %08x\n", dst);
 559     }
 560
 561     dst_len = dst = 0x1234;
 562     strcpy((char *)src, "10");
 563     hr = IDataConvert_DataConvert(convert, DBTYPE_STR, DBTYPE_I2, 2, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 564     ok(hr == S_OK, "got %08x\n", hr);
 565     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 566     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 567     ok(dst == 10, "got %08x\n", dst);
 568
 569     dst_len = dst = 0x1234;
 570     strcpy((char *)src, "10");
 571     hr = IDataConvert_DataConvert(convert, DBTYPE_STR, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, DBDATACONVERT_LENGTHFROMNTS);
 572     ok(hr == S_OK, "got %08x\n", hr);
 573     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 574     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 575     ok(dst == 10, "got %08x\n", dst);
 576
 577     dst_len = dst = 0x1234;
 578     memcpy(src, ten, sizeof(ten));
 579     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_I2, 4, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 580     ok(hr == S_OK, "got %08x\n", hr);
 581     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 582     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 583     ok(dst == 10, "got %08x\n", dst);
 584
 585     dst_len = dst = 0x1234;
 586     memcpy(src, ten, sizeof(ten));
 587     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_I2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, DBDATACONVERT_LENGTHFROMNTS);
 588     ok(hr == S_OK, "got %08x\n", hr);
 589     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 590     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 591     ok(dst == 10, "got %08x\n", dst);
 592
 593     /* */
 594     dst_len = dst = 0x1234;
 595     *(WORD*)src = 0x4321;
 596     hr = IDataConvert_DataConvert(convert, DBTYPE_UI2, DBTYPE_UI2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 597     ok(hr == S_OK, "got %08x\n", hr);
 598     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 599     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 600     ok(dst == 0x4321, "got %08x\n", dst);
 601
 602     dst_len = dst = 0x1234;
 603     *(DWORD*)src = 0xabcd1234;
 604     hr = IDataConvert_DataConvert(convert, DBTYPE_UI4, DBTYPE_UI2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 605 todo_wine
 606     ok(hr == DB_E_DATAOVERFLOW, "got %08x\n", hr);
 607     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
 608     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 609     ok(dst == 0x1234, "got %08x\n", dst);
 610
 611     dst_len = dst = 0x1234;
 612     *(DWORD*)src = 0x1234abcd;
 613     hr = IDataConvert_DataConvert(convert, DBTYPE_UI4, DBTYPE_UI2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 614 todo_wine
 615     ok(hr == DB_E_DATAOVERFLOW, "got %08x\n", hr);
 616     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
 617     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 618     ok(dst == 0x1234, "got %08x\n", dst);
 619
 620     dst_len = dst = 0x1234;
 621     *(DWORD*)src = 0x4321;
 622     hr = IDataConvert_DataConvert(convert, DBTYPE_UI4, DBTYPE_UI2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 623     ok(hr == S_OK, "got %08x\n", hr);
 624     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 625     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 626     ok(dst == 0x4321, "got %08x\n", dst);
 627
 628     dst_len = dst = 0x1234;
 629     memcpy(src, ten, sizeof(ten));
 630     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_UI2, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, DBDATACONVERT_LENGTHFROMNTS);
 631     ok(hr == S_OK, "got %08x\n", hr);
 632     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 633     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 634     ok(dst == 10, "got %08x\n", dst);
 635 }
 636
 637 static void test_converttoi4(void)
 638 {
 639     HRESULT hr;
 640     INT i4;
 641     BYTE src[20];
 642     DBSTATUS dst_status;
 643     DBLENGTH dst_len;
 644     static const WCHAR ten[] = {'1','0',0};
 645     BSTR b;
 646
 647     i4 = 0x12345678;
 648     dst_len = 0x1234;
 649     hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 650     ok(hr == S_OK, "got %08x\n", hr);
 651     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 652     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 653     ok(i4 == 0, "got %08x\n", i4);
 654
 655     i4 = 0x12345678;
 656     dst_len = 0x1234;
 657     hr = IDataConvert_DataConvert(convert, DBTYPE_NULL, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 658     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
 659     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
 660     ok(dst_len == 0x1234, "got %ld\n", dst_len);
 661     ok(i4 == 0x12345678, "got %08x\n", i4);
 662
 663     i4 = 0x12345678;
 664     *(short *)src = 0x4321;
 665     dst_len = 0x1234;
 666     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 667     ok(hr == S_OK, "got %08x\n", hr);
 668     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 669     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 670     ok(i4 == 0x4321, "got %08x\n", i4);
 671
 672     i4 = 0x12345678;
 673     *(int *)src = 0x4321cafe;
 674     dst_len = 0x1234;
 675     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 676     ok(hr == S_OK, "got %08x\n", hr);
 677     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 678     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 679     ok(i4 == 0x4321cafe, "got %08x\n", i4);
 680
 681     i4 = 0x12345678;
 682     *(FLOAT *)src = 10.75;
 683     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 684     ok(hr == S_OK, "got %08x\n", hr);
 685     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 686     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 687     ok(i4 == 11, "got %08x\n", i4);
 688
 689     i4 = 0x12345678;
 690     *(FLOAT *)src = -10.75;
 691     dst_len = 0x1234;
 692     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 693     ok(hr == S_OK, "got %08x\n", hr);
 694     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 695     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 696     ok(i4 == -11, "got %08x\n", i4);
 697
 698     i4 = 0x12345678;
 699     *(double *)src = 10.75;
 700     dst_len = 0x1234;
 701     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 702     ok(hr == S_OK, "got %08x\n", hr);
 703     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 704     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 705     ok(i4 == 11, "got %08x\n", i4);
 706
 707     i4 = 0x12345678;
 708     ((LARGE_INTEGER *)src)->QuadPart = 107500;
 709     dst_len = 0x1234;
 710     hr = IDataConvert_DataConvert(convert, DBTYPE_CY, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 711     ok(hr == S_OK, "got %08x\n", hr);
 712     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 713     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 714     ok(i4 == 11, "got %08x\n", i4);
 715
 716     i4 = 0x12345678;
 717     *(DATE *)src = 10.7500;
 718     dst_len = 0x1234;
 719     hr = IDataConvert_DataConvert(convert, DBTYPE_DATE, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 720     ok(hr == S_OK, "got %08x\n", hr);
 721     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 722     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 723     ok(i4 == 11, "got %08x\n", i4);
 724
 725     i4 = 0x12345678;
 726     b = SysAllocString(ten);
 727     *(BSTR *)src = b;
 728     dst_len = 0x1234;
 729     hr = IDataConvert_DataConvert(convert, DBTYPE_BSTR, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 730     ok(hr == S_OK, "got %08x\n", hr);
 731     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 732     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 733     ok(i4 == 10, "got %08x\n", i4);
 734     SysFreeString(b);
 735
 736     i4 = 0x12345678;
 737     *(SCODE *)src = 0x4321cafe;
 738     dst_len = 0x1234;
 739     hr = IDataConvert_DataConvert(convert, DBTYPE_ERROR, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 740     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
 741     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
 742     ok(dst_len == 0x1234, "got %ld\n", dst_len);
 743     ok(i4 == 0x12345678, "got %08x\n", i4);
 744
 745     i4 = 0x12345678;
 746     *(VARIANT_BOOL *)src = VARIANT_TRUE;
 747     dst_len = 0x1234;
 748     hr = IDataConvert_DataConvert(convert, DBTYPE_BOOL, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 749     ok(hr == S_OK, "got %08x\n", hr);
 750     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 751     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 752     ok(i4 == 0xffffffff, "got %08x\n", i4);
 753
 754     i4 = 0x12345678;
 755     *(VARIANT_BOOL *)src = VARIANT_FALSE;
 756     dst_len = 0x1234;
 757     hr = IDataConvert_DataConvert(convert, DBTYPE_BOOL, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 758     ok(hr == S_OK, "got %08x\n", hr);
 759     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 760     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 761     ok(i4 == 0, "got %08x\n", i4);
 762
 763     i4 = 0x12345678;
 764     V_VT((VARIANT*)src) = VT_I2;
 765     V_I2((VARIANT*)src) = 0x1234;
 766     dst_len = 0x1234;
 767     hr = IDataConvert_DataConvert(convert, DBTYPE_VARIANT, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 768     ok(hr == S_OK, "got %08x\n", hr);
 769     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 770     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 771     ok(i4 == 0x1234, "got %08x\n", i4);
 772
 773     i4 = 0x12345678;
 774     memset(src, 0, sizeof(DECIMAL));
 775     ((DECIMAL*)src)->u1.Lo64 = 0x1234;
 776     dst_len = 0x1234;
 777     hr = IDataConvert_DataConvert(convert, DBTYPE_DECIMAL, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 778     ok(hr == S_OK, "got %08x\n", hr);
 779     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 780     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 781     ok(i4 == 0x1234, "got %08x\n", i4);
 782
 783     i4 = 0x12345678;
 784     *(signed char*)src = 0xab;
 785     dst_len = 0x1234;
 786     hr = IDataConvert_DataConvert(convert, DBTYPE_I1, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 787     ok(hr == S_OK, "got %08x\n", hr);
 788     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 789     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 790     ok(i4 == 0xffffffab, "got %08x\n", i4);
 791
 792     i4 = 0x12345678;
 793     *(BYTE*)src = 0xab;
 794     dst_len = 0x1234;
 795     hr = IDataConvert_DataConvert(convert, DBTYPE_UI1, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 796     ok(hr == S_OK, "got %08x\n", hr);
 797     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 798     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 799     ok(i4 == 0xab, "got %08x\n", i4);
 800
 801     i4 = 0x12345678;
 802     *(WORD*)src = 0xabcd;
 803     dst_len = 0x1234;
 804     hr = IDataConvert_DataConvert(convert, DBTYPE_UI2, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 805     ok(hr == S_OK, "got %08x\n", hr);
 806     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 807     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 808     ok(i4 == 0xabcd, "got %08x\n", i4);
 809
 810     i4 = 0x12345678;
 811     *(DWORD*)src = 0xabcd1234;
 812     dst_len = 0x1234;
 813     hr = IDataConvert_DataConvert(convert, DBTYPE_UI4, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 814     ok(hr == DB_E_ERRORSOCCURRED, "got %08x\n", hr);
 815     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
 816 todo_wine
 817     ok(broken(dst_len == sizeof(i4)) || dst_len == 0x1234 /* W2K+ */, "got %ld\n", dst_len);
 818     ok(i4 == 0x12345678, "got %08x\n", i4);
 819
 820     i4 = 0x12345678;
 821     *(DWORD*)src = 0x1234abcd;
 822     dst_len = 0x1234;
 823     hr = IDataConvert_DataConvert(convert, DBTYPE_UI4, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 824     ok(hr == S_OK, "got %08x\n", hr);
 825     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 826     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 827     ok(i4 == 0x1234abcd, "got %08x\n", i4);
 828
 829     i4 = 0x12345678;
 830     ((LARGE_INTEGER*)src)->QuadPart = 0x1234abcd;
 831     dst_len = 0x1234;
 832     hr = IDataConvert_DataConvert(convert, DBTYPE_I8, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 833     ok(hr == S_OK ||
 834        broken(hr == DB_E_UNSUPPORTEDCONVERSION), /* win98 */
 835        "got %08x\n", hr);
 836     if(hr != DB_E_UNSUPPORTEDCONVERSION) /* win98 doesn't support I8/UI8 */
 837     {
 838         ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 839         ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 840         ok(i4 == 0x1234abcd, "got %08x\n", i4);
 841
 842         i4 = 0x12345678;
 843         ((ULARGE_INTEGER*)src)->QuadPart = 0x1234abcd;
 844         dst_len = 0x1234;
 845         hr = IDataConvert_DataConvert(convert, DBTYPE_UI8, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 846         ok(hr == S_OK, "got %08x\n", hr);
 847         ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 848         ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 849         ok(i4 == 0x1234abcd, "got %08x\n", i4);
 850     }
 851
 852     i4 = 0x12345678;
 853     strcpy((char *)src, "10");
 854     dst_len = 0x1234;
 855     hr = IDataConvert_DataConvert(convert, DBTYPE_STR, DBTYPE_I4, 2, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 856     ok(hr == S_OK, "got %08x\n", hr);
 857     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 858     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 859     ok(i4 == 10, "got %08x\n", i4);
 860
 861     i4 = 0x12345678;
 862     strcpy((char *)src, "10");
 863     dst_len = 0x1234;
 864     hr = IDataConvert_DataConvert(convert, DBTYPE_STR, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, DBDATACONVERT_LENGTHFROMNTS);
 865     ok(hr == S_OK, "got %08x\n", hr);
 866     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 867     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 868     ok(i4 == 10, "got %08x\n", i4);
 869
 870     i4 = 0x12345678;
 871     memcpy(src, ten, sizeof(ten));
 872     dst_len = 0x1234;
 873     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_I4, 4, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, 0);
 874     ok(hr == S_OK, "got %08x\n", hr);
 875     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 876     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 877     ok(i4 == 10, "got %08x\n", i4);
 878
 879     i4 = 0x12345678;
 880     memcpy(src, ten, sizeof(ten));
 881     dst_len = 0x1234;
 882     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), 0, &dst_status, 0, 0, DBDATACONVERT_LENGTHFROMNTS);
 883     ok(hr == S_OK, "got %08x\n", hr);
 884     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 885     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 886     ok(i4 == 10, "got %08x\n", i4);
 887
 888     /* src_status = DBSTATUS_S_ISNULL */
 889     i4 = 0x12345678;
 890     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_I4, 0, &dst_len, src, &i4, sizeof(i4), DBSTATUS_S_ISNULL, &dst_status, 0, 0, 0);
 891     ok(hr == S_OK, "got %08x\n", hr);
 892     ok(dst_status == DBSTATUS_S_ISNULL, "got %08x\n", dst_status);
 893     ok(dst_len == 0, "got %ld\n", dst_len);
 894
 895     /* dst = NULL */
 896     *(int *)src = 0x4321cafe;
 897     dst_len = 0x1234;
 898     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_I4, 0, &dst_len, src, NULL, 0, 0, NULL, 0, 0, 0);
 899     ok(hr == S_OK, "got %08x\n", hr);
 900     ok(dst_len == sizeof(i4), "got %ld\n", dst_len);
 901
 902 }
 903
 904 static void test_converttoi8(void)
 905 {
 906     HRESULT hr;
 907     LARGE_INTEGER dst;
 908     BYTE src[20];
 909     DBSTATUS dst_status;
 910     DBLENGTH dst_len;
 911     static const WCHAR ten[] = {'1','0',0};
 912     BSTR b;
 913
 914     dst.QuadPart = 0xcc;
 915     ((ULARGE_INTEGER*)src)->QuadPart = 1234;
 916     dst_len = 0x1234;
 917     hr = IDataConvert_DataConvert(convert, DBTYPE_I8, DBTYPE_I8, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 918     ok(hr == S_OK, "got %08x\n", hr);
 919     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 920     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 921     ok(dst.QuadPart == 1234, "got %d\n", (int)dst.QuadPart);
 922
 923     dst.QuadPart = 0xcc;
 924     ((ULARGE_INTEGER*)src)->QuadPart = 1234;
 925     b = SysAllocString(ten);
 926     *(BSTR *)src = b;
 927     hr = IDataConvert_DataConvert(convert, DBTYPE_BSTR, DBTYPE_I8, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 928     ok(hr == S_OK, "got %08x\n", hr);
 929     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 930     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 931     ok(dst.QuadPart == 10, "got %d\n", (int)dst.QuadPart);
 932     SysFreeString(b);
 933 }
 934
 935 static void test_converttobstr(void)
 936 {
 937     HRESULT hr;
 938     BSTR dst;
 939     BYTE src[20];
 940     DBSTATUS dst_status;
 941     DBLENGTH dst_len;
 942     static const WCHAR ten[] = {'1','0',0};
 943     VARIANT v;
 944     BSTR b;
 945
 946     dst_len = 0x1234;
 947     hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_BSTR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 948     ok(hr == S_OK, "got %08x\n", hr);
 949     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 950     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 951     ok(dst != NULL, "got %p\n", dst);
 952     ok(SysStringLen(dst) == 0, "got %d\n", SysStringLen(dst));
 953     SysFreeString(dst);
 954
 955     dst = (void*)0x1234;
 956     hr = IDataConvert_DataConvert(convert, DBTYPE_NULL, DBTYPE_BSTR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 957     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
 958     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
 959     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 960     ok(dst == (void*)0x1234, "got %p\n", dst);
 961
 962     *(short *)src = 4321;
 963     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_BSTR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 964     ok(hr == S_OK, "got %08x\n", hr);
 965     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 966     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 967     ok(dst != NULL, "got %p\n", dst);
 968     ok(SysStringLen(dst) == 4, "got %d\n", SysStringLen(dst));
 969     SysFreeString(dst);
 970
 971     b = SysAllocString(ten);
 972     *(BSTR *)src = b;
 973     hr = IDataConvert_DataConvert(convert, DBTYPE_BSTR, DBTYPE_BSTR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 974     ok(hr == S_OK, "got %08x\n", hr);
 975     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 976     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 977     ok(dst != NULL, "got %p\n", dst);
 978     ok(dst != b, "got %p src %p\n", dst, b);
 979     ok(!lstrcmpW(b, dst), "got %s\n", wine_dbgstr_w(dst));
 980     SysFreeString(dst);
 981     SysFreeString(b);
 982
 983     b = SysAllocString(ten);
 984     V_VT(&v) = VT_BSTR;
 985     V_BSTR(&v) = b;
 986     hr = IDataConvert_DataConvert(convert, DBTYPE_VARIANT, DBTYPE_BSTR, 0, &dst_len, &v, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 987     ok(hr == S_OK, "got %08x\n", hr);
 988     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
 989     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
 990     ok(dst != NULL, "got %p\n", dst);
 991     ok(dst != b, "got %p src %p\n", dst, b);
 992     ok(!lstrcmpW(b, dst), "got %s\n", wine_dbgstr_w(dst));
 993     SysFreeString(dst);
 994     SysFreeString(b);
 995
 996     V_VT(&v) = VT_NULL;
 997     dst = (void*)0x1234;
 998     hr = IDataConvert_DataConvert(convert, DBTYPE_VARIANT, DBTYPE_BSTR, 0, &dst_len, &v, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
 999     ok(hr == S_OK, "got %08x\n", hr);
1000     ok(dst_status == DBSTATUS_S_ISNULL, "got %08x\n", dst_status);
1001     ok(dst_len == sizeof(BSTR), "got %ld\n", dst_len);
1002     ok(dst == (void*)0x1234, "got %p\n", dst);
1003 }
1004
1005 static void test_converttowstr(void)
1006 {
1007     HRESULT hr;
1008     WCHAR dst[100];
1009     BYTE src[20];
1010     DBSTATUS dst_status;
1011     DBLENGTH dst_len;
1012     static const WCHAR ten[] = {'1','0',0};
1013     static const WCHAR fourthreetwoone[] = {'4','3','2','1',0};
1014     static const WCHAR guid_str[] = {
1015         '{','0','C','7','3','3','A','8','D','-','2','A','1','C','-','1','1','C','E','-',
1016         'A','D','E','5','-','0','0','A','A','0','0','4','4','7','7','3','D','}',0};
1017     static const WCHAR hexunpacked_w[] = {'5','7','0','0','6','9','0','0','6','E','0','0','6','5','0','0','0','0','0','0', 0 };
1018     static const WCHAR hexpacked_w[] = {'W','i','n','e', 0 };
1019     BSTR b;
1020     VARIANT v;
1021
1022     memset(dst, 0xcc, sizeof(dst));
1023     dst_len = 0x1234;
1024     hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1025     ok(hr == S_OK, "got %08x\n", hr);
1026     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1027     ok(dst_len == 0, "got %ld\n", dst_len);
1028     ok(dst[0] == 0, "got %02x\n", dst[0]);
1029     ok(dst[1] == 0xcccc, "got %02x\n", dst[1]);
1030
1031     memset(dst, 0xcc, sizeof(dst));
1032     dst_len = 0x1234;
1033     hr = IDataConvert_DataConvert(convert, DBTYPE_NULL, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1034     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
1035     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
1036     ok(dst_len == 0x1234, "got %ld\n", dst_len);
1037     ok(dst[0] == 0xcccc, "got %02x\n", dst[0]);
1038
1039     *(short *)src = 4321;
1040     dst_len = 0x1234;
1041     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1042     ok(hr == S_OK, "got %08x\n", hr);
1043     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1044     ok(dst_len == 8, "got %ld\n", dst_len);
1045     ok(!lstrcmpW(dst, fourthreetwoone), "got %s\n", wine_dbgstr_w(dst));
1046
1047     *(short *)src = 4321;
1048     memset(dst, 0xcc, sizeof(dst));
1049     dst_len = 0x1234;
1050     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_WSTR, 0, &dst_len, src, dst, 0, 0, &dst_status, 0, 0, 0);
1051     ok(hr == DB_E_ERRORSOCCURRED, "got %08x\n", hr);
1052     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
1053     ok(dst_len == 8, "got %ld\n", dst_len);
1054     ok(dst[0] == 0xcccc, "got %02x\n", dst[0]);
1055
1056     *(short *)src = 4321;
1057     memset(dst, 0xcc, sizeof(dst));
1058     dst_len = 0x1234;
1059     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_WSTR, 0, &dst_len, src, NULL, 0, 0, &dst_status, 0, 0, 0);
1060     ok(hr == S_OK, "got %08x\n", hr);
1061     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1062     ok(dst_len == 8, "got %ld\n", dst_len);
1063     ok(dst[0] == 0xcccc, "got %02x\n", dst[0]);
1064
1065     *(short *)src = 4321;
1066     memset(dst, 0xcc, sizeof(dst));
1067     dst_len = 0x1234;
1068     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_WSTR, 0, &dst_len, src, dst, 4, 0, &dst_status, 0, 0, 0);
1069     ok(hr == S_OK, "got %08x\n", hr);
1070     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1071     ok(dst_len == 8, "got %ld\n", dst_len);
1072     ok(dst[0] == '4', "got %02x\n", dst[0]);
1073     ok(dst[1] == 0, "got %02x\n", dst[1]);
1074     ok(dst[2] == 0xcccc, "got %02x\n", dst[2]);
1075
1076     *(short *)src = 4321;
1077     memset(dst, 0xcc, sizeof(dst));
1078     dst_len = 0x1234;
1079     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_WSTR, 0, &dst_len, src, dst, 2, 0, &dst_status, 0, 0, 0);
1080     ok(hr == S_OK, "got %08x\n", hr);
1081     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1082     ok(dst_len == 8, "got %ld\n", dst_len);
1083     ok(dst[0] == 0, "got %02x\n", dst[0]);
1084     ok(dst[1] == 0xcccc, "got %02x\n", dst[1]);
1085
1086     *(short *)src = 4321;
1087     memset(dst, 0xcc, sizeof(dst));
1088     dst_len = 0x1234;
1089     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_WSTR, 0, &dst_len, src, dst, 8, 0, &dst_status, 0, 0, 0);
1090     ok(hr == S_OK, "got %08x\n", hr);
1091     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1092     ok(dst_len == 8, "got %ld\n", dst_len);
1093     ok(dst[0] == '4', "got %02x\n", dst[0]);
1094     ok(dst[1] == '3', "got %02x\n", dst[1]);
1095     ok(dst[2] == '2', "got %02x\n", dst[2]);
1096     ok(dst[3] == 0, "got %02x\n", dst[3]);
1097     ok(dst[4] == 0xcccc, "got %02x\n", dst[4]);
1098
1099
1100
1101     *(int *)src = 4321;
1102     dst_len = 0x1234;
1103     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1104     ok(hr == S_OK, "got %08x\n", hr);
1105     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1106     ok(dst_len == 8, "got %ld\n", dst_len);
1107     ok(!lstrcmpW(dst, fourthreetwoone), "got %s\n", wine_dbgstr_w(dst));
1108
1109     *(int *)src = 4321;
1110     memset(dst, 0xcc, sizeof(dst));
1111     dst_len = 0x1234;
1112     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_WSTR, 0, &dst_len, src, dst, 0, 0, &dst_status, 0, 0, 0);
1113     ok(hr == DB_E_ERRORSOCCURRED, "got %08x\n", hr);
1114     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
1115     ok(dst_len == 8, "got %ld\n", dst_len);
1116     ok(dst[0] == 0xcccc, "got %02x\n", dst[0]);
1117
1118     *(int *)src = 4321;
1119     memset(dst, 0xcc, sizeof(dst));
1120     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_WSTR, 0, &dst_len, src, NULL, 0, 0, &dst_status, 0, 0, 0);
1121     ok(hr == S_OK, "got %08x\n", hr);
1122     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1123     ok(dst_len == 8, "got %ld\n", dst_len);
1124     ok(dst[0] == 0xcccc, "got %02x\n", dst[0]);
1125
1126     *(int *)src = 4321;
1127     memset(dst, 0xcc, sizeof(dst));
1128     dst_len = 0x1234;
1129     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_WSTR, 0, &dst_len, src, dst, 4, 0, &dst_status, 0, 0, 0);
1130     ok(hr == S_OK, "got %08x\n", hr);
1131     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1132     ok(dst_len == 8, "got %ld\n", dst_len);
1133     ok(dst[0] == '4', "got %02x\n", dst[0]);
1134     ok(dst[1] == 0, "got %02x\n", dst[1]);
1135     ok(dst[2] == 0xcccc, "got %02x\n", dst[2]);
1136
1137     *(int *)src = 4321;
1138     memset(dst, 0xcc, sizeof(dst));
1139     dst_len = 0x1234;
1140     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_WSTR, 0, &dst_len, src, dst, 2, 0, &dst_status, 0, 0, 0);
1141     ok(hr == S_OK, "got %08x\n", hr);
1142     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1143     ok(dst_len == 8, "got %ld\n", dst_len);
1144     ok(dst[0] == 0, "got %02x\n", dst[0]);
1145     ok(dst[1] == 0xcccc, "got %02x\n", dst[1]);
1146
1147     *(int *)src = 4321;
1148     memset(dst, 0xcc, sizeof(dst));
1149     dst_len = 0x1234;
1150     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_WSTR, 0, &dst_len, src, dst, 8, 0, &dst_status, 0, 0, 0);
1151     ok(hr == S_OK, "got %08x\n", hr);
1152     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1153     ok(dst_len == 8, "got %ld\n", dst_len);
1154     ok(dst[0] == '4', "got %02x\n", dst[0]);
1155     ok(dst[1] == '3', "got %02x\n", dst[1]);
1156     ok(dst[2] == '2', "got %02x\n", dst[2]);
1157     ok(dst[3] == 0, "got %02x\n", dst[3]);
1158     ok(dst[4] == 0xcccc, "got %02x\n", dst[4]);
1159
1160
1161
1162     *(float *)src = 4321;
1163     dst_len = 0x1234;
1164     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1165     ok(hr == S_OK, "got %08x\n", hr);
1166     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1167     ok(dst_len == 8, "got %ld\n", dst_len);
1168     ok(!lstrcmpW(dst, fourthreetwoone), "got %s\n", wine_dbgstr_w(dst));
1169
1170     *(float *)src = 4321;
1171     memset(dst, 0xcc, sizeof(dst));
1172     dst_len = 0x1234;
1173     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_WSTR, 0, &dst_len, src, dst, 0, 0, &dst_status, 0, 0, 0);
1174     ok(hr == DB_E_ERRORSOCCURRED, "got %08x\n", hr);
1175     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
1176     ok(dst_len == 8, "got %ld\n", dst_len);
1177     ok(dst[0] == 0xcccc, "got %02x\n", dst[0]);
1178
1179     *(float *)src = 4321;
1180     memset(dst, 0xcc, sizeof(dst));
1181     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_WSTR, 0, &dst_len, src, NULL, 0, 0, &dst_status, 0, 0, 0);
1182     ok(hr == S_OK, "got %08x\n", hr);
1183     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1184     ok(dst_len == 8, "got %ld\n", dst_len);
1185     ok(dst[0] == 0xcccc, "got %02x\n", dst[0]);
1186
1187     *(float *)src = 4321;
1188     memset(dst, 0xcc, sizeof(dst));
1189     dst_len = 0x1234;
1190     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_WSTR, 0, &dst_len, src, dst, 4, 0, &dst_status, 0, 0, 0);
1191     ok(hr == S_OK, "got %08x\n", hr);
1192     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1193     ok(dst_len == 8, "got %ld\n", dst_len);
1194     ok(dst[0] == '4', "got %02x\n", dst[0]);
1195     ok(dst[1] == 0, "got %02x\n", dst[1]);
1196     ok(dst[2] == 0xcccc, "got %02x\n", dst[2]);
1197
1198     *(float *)src = 4321;
1199     memset(dst, 0xcc, sizeof(dst));
1200     dst_len = 0x1234;
1201     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_WSTR, 0, &dst_len, src, dst, 2, 0, &dst_status, 0, 0, 0);
1202     ok(hr == S_OK, "got %08x\n", hr);
1203     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1204     ok(dst_len == 8, "got %ld\n", dst_len);
1205     ok(dst[0] == 0, "got %02x\n", dst[0]);
1206     ok(dst[1] == 0xcccc, "got %02x\n", dst[1]);
1207
1208     *(float *)src = 4321;
1209     memset(dst, 0xcc, sizeof(dst));
1210     dst_len = 0x1234;
1211     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_WSTR, 0, &dst_len, src, dst, 8, 0, &dst_status, 0, 0, 0);
1212     ok(hr == S_OK, "got %08x\n", hr);
1213     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1214     ok(dst_len == 8, "got %ld\n", dst_len);
1215     ok(dst[0] == '4', "got %02x\n", dst[0]);
1216     ok(dst[1] == '3', "got %02x\n", dst[1]);
1217     ok(dst[2] == '2', "got %02x\n", dst[2]);
1218     ok(dst[3] == 0, "got %02x\n", dst[3]);
1219     ok(dst[4] == 0xcccc, "got %02x\n", dst[4]);
1220
1221
1222
1223     *(double *)src = 4321;
1224     dst_len = 0x1234;
1225     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1226     ok(hr == S_OK, "got %08x\n", hr);
1227     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1228     ok(dst_len == 8, "got %ld\n", dst_len);
1229     ok(!lstrcmpW(dst, fourthreetwoone), "got %s\n", wine_dbgstr_w(dst));
1230
1231     *(double *)src = 4321;
1232     memset(dst, 0xcc, sizeof(dst));
1233     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_WSTR, 0, &dst_len, src, dst, 0, 0, &dst_status, 0, 0, 0);
1234     ok(hr == DB_E_ERRORSOCCURRED, "got %08x\n", hr);
1235     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
1236     ok(dst_len == 8, "got %ld\n", dst_len);
1237     ok(dst[0] == 0xcccc, "got %02x\n", dst[0]);
1238
1239     *(double *)src = 4321;
1240     memset(dst, 0xcc, sizeof(dst));
1241     dst_len = 0x1234;
1242     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_WSTR, 0, &dst_len, src, NULL, 0, 0, &dst_status, 0, 0, 0);
1243     ok(hr == S_OK, "got %08x\n", hr);
1244     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1245     ok(dst_len == 8, "got %ld\n", dst_len);
1246     ok(dst[0] == 0xcccc, "got %02x\n", dst[0]);
1247
1248     *(double *)src = 4321;
1249     memset(dst, 0xcc, sizeof(dst));
1250     dst_len = 0x1234;
1251     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_WSTR, 0, &dst_len, src, dst, 4, 0, &dst_status, 0, 0, 0);
1252     ok(hr == S_OK, "got %08x\n", hr);
1253     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1254     ok(dst_len == 8, "got %ld\n", dst_len);
1255     ok(dst[0] == '4', "got %02x\n", dst[0]);
1256     ok(dst[1] == 0, "got %02x\n", dst[1]);
1257     ok(dst[2] == 0xcccc, "got %02x\n", dst[2]);
1258
1259     *(double *)src = 4321;
1260     memset(dst, 0xcc, sizeof(dst));
1261     dst_len = 0x1234;
1262     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_WSTR, 0, &dst_len, src, dst, 2, 0, &dst_status, 0, 0, 0);
1263     ok(hr == S_OK, "got %08x\n", hr);
1264     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1265     ok(dst_len == 8, "got %ld\n", dst_len);
1266     ok(dst[0] == 0, "got %02x\n", dst[0]);
1267     ok(dst[1] == 0xcccc, "got %02x\n", dst[1]);
1268
1269     *(double *)src = 4321;
1270     memset(dst, 0xcc, sizeof(dst));
1271     dst_len = 0x1234;
1272     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_WSTR, 0, &dst_len, src, dst, 8, 0, &dst_status, 0, 0, 0);
1273     ok(hr == S_OK, "got %08x\n", hr);
1274     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1275     ok(dst_len == 8, "got %ld\n", dst_len);
1276     ok(dst[0] == '4', "got %02x\n", dst[0]);
1277     ok(dst[1] == '3', "got %02x\n", dst[1]);
1278     ok(dst[2] == '2', "got %02x\n", dst[2]);
1279     ok(dst[3] == 0, "got %02x\n", dst[3]);
1280     ok(dst[4] == 0xcccc, "got %02x\n", dst[4]);
1281
1282
1283
1284     memset(src, 0, sizeof(src));
1285     ((CY*)src)->int64 = 43210000;
1286     memset(dst, 0xcc, sizeof(dst));
1287     dst_len = 0x1234;
1288     hr = IDataConvert_DataConvert(convert, DBTYPE_CY, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1289     ok(hr == S_OK, "got %08x\n", hr);
1290     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1291     ok(dst_len == 8, "got %ld\n", dst_len);
1292     ok(!lstrcmpW(dst, fourthreetwoone), "got %s\n", wine_dbgstr_w(dst));
1293
1294
1295
1296     memset(src, 0, sizeof(src));
1297     *(signed char *)src = 10;
1298     dst_len = 0x1234;
1299     hr = IDataConvert_DataConvert(convert, DBTYPE_I1, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1300     ok(hr == S_OK, "got %08x\n", hr);
1301     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1302     ok(dst_len == 4, "got %ld\n", dst_len);
1303     ok(!lstrcmpW(dst, ten), "got %s\n", wine_dbgstr_w(dst));
1304
1305     memset(src, 0, sizeof(src));
1306     *(unsigned char *)src = 10;
1307     dst_len = 0x1234;
1308     hr = IDataConvert_DataConvert(convert, DBTYPE_UI1, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1309     ok(hr == S_OK, "got %08x\n", hr);
1310     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1311     ok(dst_len == 4, "got %ld\n", dst_len);
1312     ok(!lstrcmpW(dst, ten), "got %s\n", wine_dbgstr_w(dst));
1313
1314     memset(src, 0, sizeof(src));
1315     *(unsigned short *)src = 4321;
1316     dst_len = 0x1234;
1317     hr = IDataConvert_DataConvert(convert, DBTYPE_UI2, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1318     ok(hr == S_OK, "got %08x\n", hr);
1319     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1320     ok(dst_len == 8, "got %ld\n", dst_len);
1321     ok(!lstrcmpW(dst, fourthreetwoone), "got %s\n", wine_dbgstr_w(dst));
1322
1323     memset(src, 0, sizeof(src));
1324     *(unsigned int *)src = 4321;
1325     dst_len = 0x1234;
1326     hr = IDataConvert_DataConvert(convert, DBTYPE_UI4, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1327     ok(hr == S_OK, "got %08x\n", hr);
1328     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1329     ok(dst_len == 8, "got %ld\n", dst_len);
1330     ok(!lstrcmpW(dst, fourthreetwoone), "got %s\n", wine_dbgstr_w(dst));
1331
1332     memset(src, 0, sizeof(src));
1333     ((LARGE_INTEGER*)src)->QuadPart = 4321;
1334     dst_len = 0x1234;
1335     hr = IDataConvert_DataConvert(convert, DBTYPE_I8, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1336     ok(broken(DB_E_UNSUPPORTEDCONVERSION) || hr == S_OK /* W2K+ */, "got %08x\n", hr);
1337     ok(broken(dst_status == DBSTATUS_E_BADACCESSOR) || dst_status == DBSTATUS_S_OK /* W2K+ */, "got %08x\n", dst_status);
1338     ok(broken(dst_len == 0x1234) || dst_len == 8 /* W2K+ */, "got %ld\n", dst_len);
1339     ok(!lstrcmpW(dst, fourthreetwoone), "got %s\n", wine_dbgstr_w(dst));
1340
1341     memset(src, 0, sizeof(src));
1342     ((ULARGE_INTEGER*)src)->QuadPart = 4321;
1343     hr = IDataConvert_DataConvert(convert, DBTYPE_UI8, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1344     ok(broken(DB_E_UNSUPPORTEDCONVERSION) || hr == S_OK /* W2K+ */, "got %08x\n", hr);
1345     ok(broken(dst_status == DBSTATUS_E_BADACCESSOR) || dst_status == DBSTATUS_S_OK /* W2K+ */, "got %08x\n", dst_status);
1346     ok(broken(dst_len == 0x1234) || dst_len == 8 /* W2K+ */, "got %ld\n", dst_len);
1347     ok(!lstrcmpW(dst, fourthreetwoone), "got %s\n", wine_dbgstr_w(dst));
1348
1349
1350
1351     memset(src, 0, sizeof(src));
1352     memcpy(src, &IID_IDataConvert, sizeof(GUID));
1353     memset(dst, 0xcc, sizeof(dst));
1354     dst_len = 0x1234;
1355     hr = IDataConvert_DataConvert(convert, DBTYPE_GUID, DBTYPE_WSTR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1356     ok(hr == S_OK, "got %08x\n", hr);
1357     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1358     ok(dst_len == 76, "got %ld\n", dst_len);
1359     ok(!lstrcmpW(dst, guid_str), "got %s\n", wine_dbgstr_w(dst));
1360
1361
1362
1363     b = SysAllocString(ten);
1364     *(BSTR *)src = b;
1365     dst_len = 0x1234;
1366     hr = IDataConvert_DataConvert(convert, DBTYPE_BSTR, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1367     ok(hr == S_OK, "got %08x\n", hr);
1368     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1369     ok(dst_len == 4, "got %ld\n", dst_len);
1370     ok(!lstrcmpW(b, dst), "got %s\n", wine_dbgstr_w(dst));
1371     SysFreeString(b);
1372
1373     memcpy(src, ten, sizeof(ten));
1374     dst_len = 0x1234;
1375     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_WSTR, 2, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1376     ok(hr == S_OK, "got %08x\n", hr);
1377     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1378     ok(dst_len == 2, "got %ld\n", dst_len);
1379     ok(dst[0] == '1', "got %02x\n", dst[0]);
1380     ok(dst[1] == 0, "got %02x\n", dst[1]);
1381
1382     memcpy(src, ten, sizeof(ten));
1383     dst_len = 0x1234;
1384     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_WSTR, 4, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1385     ok(hr == S_OK, "got %08x\n", hr);
1386     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1387     ok(dst_len == 4, "got %ld\n", dst_len);
1388     ok(!lstrcmpW(ten, dst), "got %s\n", wine_dbgstr_w(dst));
1389
1390     memcpy(src, ten, sizeof(ten));
1391     dst_len = 0x1234;
1392     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, DBDATACONVERT_LENGTHFROMNTS);
1393     ok(hr == S_OK, "got %08x\n", hr);
1394     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1395     ok(dst_len == 4, "got %ld\n", dst_len);
1396     ok(!lstrcmpW(ten, dst), "got %s\n", wine_dbgstr_w(dst));
1397
1398
1399
1400     /* DBTYPE_BYTES to DBTYPE_*STR unpacks binary data into a hex string */
1401     memcpy(src, hexpacked_w, sizeof(hexpacked_w));
1402     memset(dst, 0xcc, sizeof(dst));
1403     dst_len = 0x1234;
1404     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_WSTR, sizeof(hexpacked_w), &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1405     ok(hr == S_OK, "got %08x\n", hr);
1406     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1407     ok(dst_len == sizeof(hexpacked_w) * 4, "got %ld\n", dst_len);
1408     ok(!lstrcmpW(hexunpacked_w, dst), "got %s\n", wine_dbgstr_w(dst));
1409     ok(dst[sizeof(hexpacked_w)/sizeof(WCHAR) * 4 + 1] == 0xcccc, "clobbered buffer\n");
1410
1411     memcpy(src, hexpacked_w, sizeof(hexpacked_w));
1412     memset(dst, 0xcc, sizeof(dst));
1413     dst_len = 0x1234;
1414     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1415     ok(hr == S_OK, "got %08x\n", hr);
1416     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1417     ok(dst_len == 0, "got %ld\n", dst_len);
1418     ok(dst[0] == 0, "not null terminated\n");
1419     ok(dst[1] == 0xcccc, "clobbered buffer\n");
1420
1421     memcpy(src, hexpacked_w, sizeof(hexpacked_w));
1422     memset(dst, 0xcc, sizeof(dst));
1423     dst_len = 0x1234;
1424     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_WSTR, 4, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1425     ok(hr == S_OK, "got %08x\n", hr);
1426     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1427     ok(dst_len == 2 * sizeof(WCHAR) * 4, "got %ld\n", dst_len);
1428     ok(!memcmp(hexunpacked_w, dst, 2 * sizeof(WCHAR) * 4 ), "got %s\n", wine_dbgstr_w(dst));
1429     ok(dst[2 * 4] == 0, "not null terminated\n");
1430     ok(dst[2 * 4 + 1] == 0xcccc, "clobbered buffer\n");
1431
1432     memcpy(src, hexpacked_w, sizeof(hexpacked_w));
1433     memset(dst, 0xcc, sizeof(dst));
1434     dst_len = 0x1234;
1435     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_WSTR, sizeof(hexpacked_w), &dst_len, src, dst, 2 * sizeof(WCHAR) * 4 + sizeof(WCHAR), 0, &dst_status, 0, 0, 0);
1436     ok(hr == S_OK, "got %08x\n", hr);
1437     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1438     ok(dst_len == sizeof(hexpacked_w) * 4, "got %ld\n", dst_len);
1439     ok(!memcmp(hexunpacked_w, dst, 2 * sizeof(WCHAR) * 4 ), "got %s\n", wine_dbgstr_w(dst));
1440     ok(dst[2 * 4] == 0, "not null terminated\n");
1441     ok(dst[2 * 4 + 1] == 0xcccc, "clobbered buffer\n");
1442
1443     memcpy(src, hexpacked_w, sizeof(hexpacked_w));
1444     memset(dst, 0xcc, sizeof(dst));
1445     dst_len = 0x1234;
1446     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_WSTR, sizeof(hexpacked_w), &dst_len, src, dst, 2 * sizeof(WCHAR) * 4 +1, 0, &dst_status, 0, 0, 0);
1447     ok(hr == S_OK, "got %08x\n", hr);
1448     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1449     ok(dst_len == sizeof(hexpacked_w) * 4, "got %ld\n", dst_len);
1450     ok(!memcmp(hexunpacked_w, dst, 2 * sizeof(WCHAR) * 4 - 2 ), "got %s\n", wine_dbgstr_w(dst));
1451     ok(dst[2 * 4 - 1] == 0, "not null terminated\n");
1452     ok(dst[2 * 4] == 0xcccc, "clobbered buffer\n");
1453
1454     memcpy(src, hexpacked_w, sizeof(hexpacked_w));
1455     memset(dst, 0xcc, sizeof(dst));
1456     dst_len = 0x1234;
1457     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_WSTR, sizeof(hexpacked_w), &dst_len, src, dst, 2 * sizeof(WCHAR) * 4, 0, &dst_status, 0, 0, 0);
1458     ok(hr == S_OK, "got %08x\n", hr);
1459     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1460     ok(dst_len == sizeof(hexpacked_w) * 4, "got %ld\n", dst_len);
1461     ok(!memcmp(hexunpacked_w, dst, 2 * sizeof(WCHAR) * 4 - 2 ), "got %s\n", wine_dbgstr_w(dst));
1462     ok(dst[2 * 4 - 1] == 0, "not null terminated\n");
1463     ok(dst[2 * 4] == 0xcccc, "clobbered buffer\n");
1464
1465     memcpy(src, hexpacked_w, sizeof(hexpacked_w));
1466     memset(dst, 0xcc, sizeof(dst));
1467     dst_len = 0x1234;
1468     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_WSTR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, DBDATACONVERT_LENGTHFROMNTS);
1469     ok(hr == S_OK, "got %08x\n", hr);
1470     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1471     ok(dst_len == 0, "got %ld\n", dst_len);
1472     ok(dst[0] == 0, "not null terminated\n");
1473     ok(dst[1] == 0xcccc, "clobbered buffer\n");
1474
1475     b = SysAllocStringLen(NULL, 0);
1476     V_VT(&v) = VT_BSTR;
1477     V_BSTR(&v) = b;
1478     hr = IDataConvert_DataConvert(convert, DBTYPE_VARIANT, DBTYPE_WSTR, 0, &dst_len, &v, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1479     ok(hr == S_OK, "got %08x\n", hr);
1480     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1481     ok(dst_len == 0, "got %ld\n", dst_len);
1482     ok(dst != NULL, "got %p\n", dst);
1483     ok(dst != b, "got %p src %p\n", dst, b);
1484     ok(!lstrcmpW(b, dst), "got %s\n", wine_dbgstr_w(dst));
1485     VariantClear(&v);
1486
1487     V_VT(&v) = VT_NULL;
1488     hr = IDataConvert_DataConvert(convert, DBTYPE_VARIANT, DBTYPE_WSTR, 0, &dst_len, &v, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1489     ok(hr == S_OK, "got %08x\n", hr);
1490     ok(dst_status == DBSTATUS_S_ISNULL, "got %08x\n", dst_status);
1491     ok(dst_len == 0, "got %ld\n", dst_len);
1492 }
1493
1494 static void test_converttostr(void)
1495 {
1496     HRESULT hr;
1497     char dst[100];
1498     BYTE src[64];
1499     DBSTATUS dst_status;
1500     DBLENGTH dst_len;
1501     static const WCHAR ten[] = {'1','0',0};
1502     static const char ten_a[] = "10";
1503     static const char fourthreetwoone[] = "4321";
1504     static const char guid_str[] = "{0C733A8D-2A1C-11CE-ADE5-00AA0044773D}";
1505     static const char hexunpacked_a[] = "57696E6500";
1506     static const char hexpacked_a[] = "Wine";
1507     BSTR b;
1508
1509     memset(dst, 0xcc, sizeof(dst));
1510     dst_len = 0x1234;
1511     hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1512     ok(hr == S_OK, "got %08x\n", hr);
1513     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1514     ok(dst_len == 0, "got %ld\n", dst_len);
1515     ok(dst[0] == 0, "got %02x\n", dst[0]);
1516     ok(dst[1] == (char)0xcc, "got %02x\n", dst[1]);
1517
1518     memset(dst, 0xcc, sizeof(dst));
1519     dst_len = 0x1234;
1520     hr = IDataConvert_DataConvert(convert, DBTYPE_NULL, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1521     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
1522     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
1523     ok(dst_len == 0x1234, "got %ld\n", dst_len);
1524     ok(dst[0] == (char)0xcc, "got %02x\n", dst[0]);
1525
1526     *(short *)src = 4321;
1527     dst_len = 0x1234;
1528     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1529     ok(hr == S_OK, "got %08x\n", hr);
1530     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1531     ok(dst_len == 4, "got %ld\n", dst_len);
1532     ok(!lstrcmpA(dst, fourthreetwoone), "got %s\n", dst);
1533
1534     *(short *)src = 4321;
1535     memset(dst, 0xcc, sizeof(dst));
1536     dst_len = 0x1234;
1537     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_STR, 0, &dst_len, src, dst, 0, 0, &dst_status, 0, 0, 0);
1538     ok(hr == DB_E_ERRORSOCCURRED, "got %08x\n", hr);
1539     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
1540     ok(dst_len == 4, "got %ld\n", dst_len);
1541     ok(dst[0] == (char)0xcc, "got %02x\n", dst[0]);
1542
1543     *(short *)src = 4321;
1544     memset(dst, 0xcc, sizeof(dst));
1545     dst_len = 0x1234;
1546     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_STR, 0, &dst_len, src, NULL, 0, 0, &dst_status, 0, 0, 0);
1547     ok(hr == S_OK, "got %08x\n", hr);
1548     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1549     ok(dst_len == 4, "got %ld\n", dst_len);
1550     ok(dst[0] == (char)0xcc, "got %02x\n", dst[0]);
1551
1552     *(short *)src = 4321;
1553     memset(dst, 0xcc, sizeof(dst));
1554     dst_len = 0x1234;
1555     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_STR, 0, &dst_len, src, dst, 2, 0, &dst_status, 0, 0, 0);
1556     ok(hr == S_OK, "got %08x\n", hr);
1557     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1558     ok(dst_len == 4, "got %ld\n", dst_len);
1559     ok(dst[0] == '4', "got %02x\n", dst[0]);
1560     ok(dst[1] == 0, "got %02x\n", dst[1]);
1561     ok(dst[2] == (char)0xcc, "got %02x\n", dst[2]);
1562
1563     *(short *)src = 4321;
1564     memset(dst, 0xcc, sizeof(dst));
1565     dst_len = 0x1234;
1566     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_STR, 0, &dst_len, src, dst, 1, 0, &dst_status, 0, 0, 0);
1567     ok(hr == S_OK, "got %08x\n", hr);
1568     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1569     ok(dst_len == 4, "got %ld\n", dst_len);
1570     ok(dst[0] == 0, "got %02x\n", dst[0]);
1571     ok(dst[1] == (char)0xcc, "got %02x\n", dst[1]);
1572
1573     *(short *)src = 4321;
1574     memset(dst, 0xcc, sizeof(dst));
1575     dst_len = 0x1234;
1576     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_STR, 0, &dst_len, src, dst, 4, 0, &dst_status, 0, 0, 0);
1577     ok(hr == S_OK, "got %08x\n", hr);
1578     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1579     ok(dst_len == 4, "got %ld\n", dst_len);
1580     ok(dst[0] == '4', "got %02x\n", dst[0]);
1581     ok(dst[1] == '3', "got %02x\n", dst[1]);
1582     ok(dst[2] == '2', "got %02x\n", dst[2]);
1583     ok(dst[3] == 0, "got %02x\n", dst[3]);
1584     ok(dst[4] == (char)0xcc, "got %02x\n", dst[4]);
1585
1586
1587     *(int *)src = 4321;
1588     dst_len = 0x1234;
1589     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1590     ok(hr == S_OK, "got %08x\n", hr);
1591     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1592     ok(dst_len == 4, "got %ld\n", dst_len);
1593     ok(!lstrcmpA(dst, fourthreetwoone), "got %s\n", dst);
1594
1595     *(int *)src = 4321;
1596     memset(dst, 0xcc, sizeof(dst));
1597     dst_len = 0x1234;
1598     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_STR, 0, &dst_len, src, dst, 0, 0, &dst_status, 0, 0, 0);
1599     ok(hr == DB_E_ERRORSOCCURRED, "got %08x\n", hr);
1600     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
1601     ok(dst_len == 4, "got %ld\n", dst_len);
1602     ok(dst[0] == (char)0xcc, "got %02x\n", dst[0]);
1603
1604     *(int *)src = 4321;
1605     memset(dst, 0xcc, sizeof(dst));
1606     dst_len = 0x1234;
1607     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_STR, 0, &dst_len, src, NULL, 0, 0, &dst_status, 0, 0, 0);
1608     ok(hr == S_OK, "got %08x\n", hr);
1609     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1610     ok(dst_len == 4, "got %ld\n", dst_len);
1611     ok(dst[0] == (char)0xcc, "got %02x\n", dst[0]);
1612
1613     *(int *)src = 4321;
1614     memset(dst, 0xcc, sizeof(dst));
1615     dst_len = 0x1234;
1616     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_STR, 0, &dst_len, src, dst, 2, 0, &dst_status, 0, 0, 0);
1617     ok(hr == S_OK, "got %08x\n", hr);
1618     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1619     ok(dst_len == 4, "got %ld\n", dst_len);
1620     ok(dst[0] == '4', "got %02x\n", dst[0]);
1621     ok(dst[1] == 0, "got %02x\n", dst[1]);
1622     ok(dst[2] == (char)0xcc, "got %02x\n", dst[2]);
1623
1624     *(int *)src = 4321;
1625     memset(dst, 0xcc, sizeof(dst));
1626     dst_len = 0x1234;
1627     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_STR, 0, &dst_len, src, dst, 1, 0, &dst_status, 0, 0, 0);
1628     ok(hr == S_OK, "got %08x\n", hr);
1629     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1630     ok(dst_len == 4, "got %ld\n", dst_len);
1631     ok(dst[0] == 0, "got %02x\n", dst[0]);
1632     ok(dst[1] == (char)0xcc, "got %02x\n", dst[1]);
1633
1634     *(int *)src = 4321;
1635     memset(dst, 0xcc, sizeof(dst));
1636     dst_len = 0x1234;
1637     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_STR, 0, &dst_len, src, dst, 4, 0, &dst_status, 0, 0, 0);
1638     ok(hr == S_OK, "got %08x\n", hr);
1639     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1640     ok(dst_len == 4, "got %ld\n", dst_len);
1641     ok(dst[0] == '4', "got %02x\n", dst[0]);
1642     ok(dst[1] == '3', "got %02x\n", dst[1]);
1643     ok(dst[2] == '2', "got %02x\n", dst[2]);
1644     ok(dst[3] == 0, "got %02x\n", dst[3]);
1645     ok(dst[4] == (char)0xcc, "got %02x\n", dst[4]);
1646
1647
1648     *(float *)src = 4321;
1649     dst_len = 0x1234;
1650     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1651     ok(hr == S_OK, "got %08x\n", hr);
1652     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1653     ok(dst_len == 4, "got %ld\n", dst_len);
1654     ok(!lstrcmpA(dst, fourthreetwoone), "got %s\n", dst);
1655
1656     *(float *)src = 4321;
1657     memset(dst, 0xcc, sizeof(dst));
1658     dst_len = 0x1234;
1659     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_STR, 0, &dst_len, src, dst, 0, 0, &dst_status, 0, 0, 0);
1660     ok(hr == DB_E_ERRORSOCCURRED, "got %08x\n", hr);
1661     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
1662     ok(dst_len == 4, "got %ld\n", dst_len);
1663     ok(dst[0] == (char)0xcc, "got %02x\n", dst[0]);
1664
1665     *(float *)src = 4321;
1666     memset(dst, 0xcc, sizeof(dst));
1667     dst_len = 0x1234;
1668     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_STR, 0, &dst_len, src, NULL, 0, 0, &dst_status, 0, 0, 0);
1669     ok(hr == S_OK, "got %08x\n", hr);
1670     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1671     ok(dst_len == 4, "got %ld\n", dst_len);
1672     ok(dst[0] == (char)0xcc, "got %02x\n", dst[0]);
1673
1674     *(float *)src = 4321;
1675     memset(dst, 0xcc, sizeof(dst));
1676     dst_len = 0x1234;
1677     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_STR, 0, &dst_len, src, dst, 2, 0, &dst_status, 0, 0, 0);
1678     ok(hr == S_OK, "got %08x\n", hr);
1679     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1680     ok(dst_len == 4, "got %ld\n", dst_len);
1681     ok(dst[0] == '4', "got %02x\n", dst[0]);
1682     ok(dst[1] == 0, "got %02x\n", dst[1]);
1683     ok(dst[2] == (char)0xcc, "got %02x\n", dst[2]);
1684
1685     *(float *)src = 4321;
1686     memset(dst, 0xcc, sizeof(dst));
1687     dst_len = 0x1234;
1688     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_STR, 0, &dst_len, src, dst, 1, 0, &dst_status, 0, 0, 0);
1689     ok(hr == S_OK, "got %08x\n", hr);
1690     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1691     ok(dst_len == 4, "got %ld\n", dst_len);
1692     ok(dst[0] == 0, "got %02x\n", dst[0]);
1693     ok(dst[1] == (char)0xcc, "got %02x\n", dst[1]);
1694
1695     *(float *)src = 4321;
1696     memset(dst, 0xcc, sizeof(dst));
1697     dst_len = 0x1234;
1698     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_STR, 0, &dst_len, src, dst, 4, 0, &dst_status, 0, 0, 0);
1699     ok(hr == S_OK, "got %08x\n", hr);
1700     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1701     ok(dst_len == 4, "got %ld\n", dst_len);
1702     ok(dst[0] == '4', "got %02x\n", dst[0]);
1703     ok(dst[1] == '3', "got %02x\n", dst[1]);
1704     ok(dst[2] == '2', "got %02x\n", dst[2]);
1705     ok(dst[3] == 0, "got %02x\n", dst[3]);
1706     ok(dst[4] == (char)0xcc, "got %02x\n", dst[4]);
1707
1708
1709     *(double *)src = 4321;
1710     dst_len = 0x1234;
1711     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1712     ok(hr == S_OK, "got %08x\n", hr);
1713     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1714     ok(dst_len == 4, "got %ld\n", dst_len);
1715     ok(!lstrcmpA(dst, fourthreetwoone), "got %s\n", dst);
1716
1717     *(double *)src = 4321;
1718     memset(dst, 0xcc, sizeof(dst));
1719     dst_len = 0x1234;
1720     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_STR, 0, &dst_len, src, dst, 0, 0, &dst_status, 0, 0, 0);
1721     ok(hr == DB_E_ERRORSOCCURRED, "got %08x\n", hr);
1722     ok(dst_status == DBSTATUS_E_DATAOVERFLOW, "got %08x\n", dst_status);
1723     ok(dst_len == 4, "got %ld\n", dst_len);
1724     ok(dst[0] == (char)0xcc, "got %02x\n", dst[0]);
1725
1726     *(double *)src = 4321;
1727     memset(dst, 0xcc, sizeof(dst));
1728     dst_len = 0x1234;
1729     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_STR, 0, &dst_len, src, NULL, 0, 0, &dst_status, 0, 0, 0);
1730     ok(hr == S_OK, "got %08x\n", hr);
1731     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1732     ok(dst_len == 4, "got %ld\n", dst_len);
1733     ok(dst[0] == (char)0xcc, "got %02x\n", dst[0]);
1734
1735     *(double *)src = 4321;
1736     memset(dst, 0xcc, sizeof(dst));
1737     dst_len = 0x1234;
1738     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_STR, 0, &dst_len, src, dst, 2, 0, &dst_status, 0, 0, 0);
1739     ok(hr == S_OK, "got %08x\n", hr);
1740     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1741     ok(dst_len == 4, "got %ld\n", dst_len);
1742     ok(dst[0] == '4', "got %02x\n", dst[0]);
1743     ok(dst[1] == 0, "got %02x\n", dst[1]);
1744     ok(dst[2] == (char)0xcc, "got %02x\n", dst[2]);
1745
1746     *(double *)src = 4321;
1747     memset(dst, 0xcc, sizeof(dst));
1748     dst_len = 0x1234;
1749     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_STR, 0, &dst_len, src, dst, 1, 0, &dst_status, 0, 0, 0);
1750     ok(hr == S_OK, "got %08x\n", hr);
1751     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1752     ok(dst_len == 4, "got %ld\n", dst_len);
1753     ok(dst[0] == 0, "got %02x\n", dst[0]);
1754     ok(dst[1] == (char)0xcc, "got %02x\n", dst[1]);
1755
1756     *(double *)src = 4321;
1757     memset(dst, 0xcc, sizeof(dst));
1758     dst_len = 0x1234;
1759     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_STR, 0, &dst_len, src, dst, 4, 0, &dst_status, 0, 0, 0);
1760     ok(hr == S_OK, "got %08x\n", hr);
1761     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1762     ok(dst_len == 4, "got %ld\n", dst_len);
1763     ok(dst[0] == '4', "got %02x\n", dst[0]);
1764     ok(dst[1] == '3', "got %02x\n", dst[1]);
1765     ok(dst[2] == '2', "got %02x\n", dst[2]);
1766     ok(dst[3] == 0, "got %02x\n", dst[3]);
1767     ok(dst[4] == (char)0xcc, "got %02x\n", dst[4]);
1768
1769
1770
1771     memset(src, 0, sizeof(src));
1772     ((CY*)src)->int64 = 43210000;
1773     memset(dst, 0xcc, sizeof(dst));
1774     dst_len = 0x1234;
1775     hr = IDataConvert_DataConvert(convert, DBTYPE_CY, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1776     ok(hr == S_OK, "got %08x\n", hr);
1777     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1778     ok(dst_len == 4, "got %ld\n", dst_len);
1779     ok(!lstrcmpA(dst, fourthreetwoone), "got %s\n", dst);
1780
1781
1782
1783     memset(src, 0, sizeof(src));
1784     *(signed char *)src = 10;
1785     dst_len = 0x1234;
1786     hr = IDataConvert_DataConvert(convert, DBTYPE_I1, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1787     ok(hr == S_OK, "got %08x\n", hr);
1788     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1789     ok(dst_len == 2, "got %ld\n", dst_len);
1790     ok(!lstrcmpA(dst, ten_a), "got %s\n", dst);
1791
1792     memset(src, 0, sizeof(src));
1793     *(unsigned char *)src = 10;
1794     dst_len = 0x1234;
1795     hr = IDataConvert_DataConvert(convert, DBTYPE_UI1, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1796     ok(hr == S_OK, "got %08x\n", hr);
1797     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1798     ok(dst_len == 2, "got %ld\n", dst_len);
1799     ok(!lstrcmpA(dst, ten_a), "got %s\n", dst);
1800
1801     memset(src, 0, sizeof(src));
1802     *(unsigned short *)src = 4321;
1803     dst_len = 0x1234;
1804     hr = IDataConvert_DataConvert(convert, DBTYPE_UI2, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1805     ok(hr == S_OK, "got %08x\n", hr);
1806     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1807     ok(dst_len == 4, "got %ld\n", dst_len);
1808     ok(!lstrcmpA(dst, fourthreetwoone), "got %s\n", dst);
1809
1810     memset(src, 0, sizeof(src));
1811     *(unsigned int *)src = 4321;
1812     dst_len = 0x1234;
1813     hr = IDataConvert_DataConvert(convert, DBTYPE_UI4, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1814     ok(hr == S_OK, "got %08x\n", hr);
1815     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1816     ok(dst_len == 4, "got %ld\n", dst_len);
1817     ok(!lstrcmpA(dst, fourthreetwoone), "got %s\n", dst);
1818
1819     memset(src, 0, sizeof(src));
1820     ((LARGE_INTEGER*)src)->QuadPart = 4321;
1821     dst_len = 0x1234;
1822     hr = IDataConvert_DataConvert(convert, DBTYPE_I8, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1823     ok(broken(DB_E_UNSUPPORTEDCONVERSION) || hr == S_OK /* W2K+ */, "got %08x\n", hr);
1824     ok(broken(dst_status == DBSTATUS_E_BADACCESSOR) || dst_status == DBSTATUS_S_OK /* W2K+ */, "got %08x\n", dst_status);
1825     ok(broken(dst_len == 0x1234) || dst_len == 4 /* W2K+ */, "got %ld\n", dst_len);
1826     ok(!lstrcmpA(dst, fourthreetwoone), "got %s\n", dst);
1827
1828     memset(src, 0, sizeof(src));
1829     ((ULARGE_INTEGER*)src)->QuadPart = 4321;
1830     dst_len = 0x1234;
1831     hr = IDataConvert_DataConvert(convert, DBTYPE_UI8, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1832     ok(broken(DB_E_UNSUPPORTEDCONVERSION) || hr == S_OK /* W2K+ */, "got %08x\n", hr);
1833     ok(broken(dst_status == DBSTATUS_E_BADACCESSOR) || dst_status == DBSTATUS_S_OK /* W2K+ */, "got %08x\n", dst_status);
1834     ok(broken(dst_len == 0x1234) || dst_len == 4 /* W2K+ */, "got %ld\n", dst_len);
1835     ok(!lstrcmpA(dst, fourthreetwoone), "got %s\n", dst);
1836
1837
1838
1839     memset(src, 0, sizeof(src));
1840     memcpy(src, &IID_IDataConvert, sizeof(GUID));
1841     memset(dst, 0xcc, sizeof(dst));
1842     dst_len = 0x1234;
1843     hr = IDataConvert_DataConvert(convert, DBTYPE_GUID, DBTYPE_STR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1844     ok(hr == S_OK, "got %08x\n", hr);
1845     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1846     ok(dst_len == 38, "got %ld\n", dst_len);
1847     ok(!lstrcmpA(dst, guid_str), "got %s\n", dst);
1848
1849
1850
1851     b = SysAllocString(ten);
1852     *(BSTR *)src = b;
1853     memset(dst, 0xcc, sizeof(dst));
1854     dst_len = 0x1234;
1855     hr = IDataConvert_DataConvert(convert, DBTYPE_BSTR, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1856     ok(hr == S_OK, "got %08x\n", hr);
1857     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1858     ok(dst_len == 2, "got %ld\n", dst_len);
1859     ok(!lstrcmpA(ten_a, dst), "got %s\n", dst);
1860     SysFreeString(b);
1861
1862     memcpy(src, ten, sizeof(ten));
1863     memset(dst, 0xcc, sizeof(dst));
1864     dst_len = 0x1234;
1865     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_STR, 2, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1866     ok(hr == S_OK, "got %08x\n", hr);
1867     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1868     ok(dst_len == 1, "got %ld\n", dst_len);
1869     ok(dst[0] == '1', "got %02x\n", dst[0]);
1870     ok(dst[1] == 0, "got %02x\n", dst[1]);
1871
1872     memcpy(src, ten, sizeof(ten));
1873     memset(dst, 0xcc, sizeof(dst));
1874     dst_len = 0x1234;
1875     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_STR, 4, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1876     ok(hr == S_OK, "got %08x\n", hr);
1877     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1878     ok(dst_len == 2, "got %ld\n", dst_len);
1879     ok(!lstrcmpA(ten_a, dst), "got %s\n", dst);
1880
1881     memcpy(src, ten, sizeof(ten));
1882     memset(dst, 0xcc, sizeof(dst));
1883     dst_len = 0x1234;
1884     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, DBDATACONVERT_LENGTHFROMNTS);
1885     ok(hr == S_OK, "got %08x\n", hr);
1886     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1887     ok(dst_len == 2, "got %ld\n", dst_len);
1888     ok(!lstrcmpA(ten_a, dst), "got %s\n", dst);
1889
1890     memcpy(src, ten_a, sizeof(ten_a));
1891     memset(dst, 0xcc, sizeof(dst));
1892     dst_len = 0x1234;
1893     hr = IDataConvert_DataConvert(convert, DBTYPE_STR, DBTYPE_STR, 2, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1894     ok(hr == S_OK, "got %08x\n", hr);
1895     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1896     ok(dst_len == 2, "got %ld\n", dst_len);
1897     ok(dst[0] == '1', "got %02x\n", dst[0]);
1898     ok(dst[1] == '0', "got %02x\n", dst[1]);
1899     ok(dst[2] == 0, "got %02x\n", dst[2]);
1900     ok(dst[3] == (char)0xcc, "got %02x\n", dst[3]);
1901
1902     memcpy(src, ten_a, sizeof(ten_a));
1903     memset(dst, 0xcc, sizeof(dst));
1904     dst_len = 0x1234;
1905     hr = IDataConvert_DataConvert(convert, DBTYPE_STR, DBTYPE_STR, 4, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1906     ok(hr == S_OK, "got %08x\n", hr);
1907     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1908     ok(dst_len == 4, "got %ld\n", dst_len);
1909     ok(!lstrcmpA(ten_a, dst), "got %s\n", dst);
1910
1911     memcpy(src, ten_a, sizeof(ten_a));
1912     memset(dst, 0xcc, sizeof(dst));
1913     dst_len = 0x1234;
1914     hr = IDataConvert_DataConvert(convert, DBTYPE_STR, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, DBDATACONVERT_LENGTHFROMNTS);
1915     ok(hr == S_OK, "got %08x\n", hr);
1916     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1917     ok(dst_len == 2, "got %ld\n", dst_len);
1918     ok(!lstrcmpA(ten_a, dst), "got %s\n", dst);
1919
1920
1921
1922     /* DBTYPE_BYTES to DBTYPE_*STR unpacks binary data into a hex string */
1923     memcpy(src, hexpacked_a, sizeof(hexpacked_a));
1924     memset(dst, 0xcc, sizeof(dst));
1925     dst_len = 0x1234;
1926     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_STR, sizeof(hexpacked_a), &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1927     ok(hr == S_OK, "got %08x\n", hr);
1928     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1929     ok(dst_len == sizeof(hexpacked_a) * 2, "got %ld\n", dst_len);
1930     ok(!lstrcmpA(hexunpacked_a, dst), "got %s\n", dst);
1931     ok(dst[sizeof(hexpacked_a)/sizeof(char) * 4 + 1] == (char)0xcc, "clobbered buffer\n");
1932
1933     memcpy(src, hexpacked_a, sizeof(hexpacked_a));
1934     memset(dst, 0xcc, sizeof(dst));
1935     dst_len = 0x1234;
1936     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1937     ok(hr == S_OK, "got %08x\n", hr);
1938     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1939     ok(dst_len == 0, "got %ld\n", dst_len);
1940     ok(dst[0] == 0, "not null terminated\n");
1941     ok(dst[1] == (char)0xcc, "clobbered buffer\n");
1942
1943     memcpy(src, hexpacked_a, sizeof(hexpacked_a));
1944     memset(dst, 0xcc, sizeof(dst));
1945     dst_len = 0x1234;
1946     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_STR, 4, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1947     ok(hr == S_OK, "got %08x\n", hr);
1948     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1949     ok(dst_len == 2 * sizeof(char) * 4, "got %ld\n", dst_len);
1950     ok(!memcmp(hexunpacked_a, dst, 2 * sizeof(char) * 4 ), "got %s\n", dst);
1951     ok(dst[2 * 4] == 0, "not null terminated\n");
1952     ok(dst[2 * 4 + 1] == (char)0xcc, "clobbered buffer\n");
1953
1954     memcpy(src, hexpacked_a, sizeof(hexpacked_a));
1955     memset(dst, 0xcc, sizeof(dst));
1956     dst_len = 0x1234;
1957     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_STR, sizeof(hexpacked_a), &dst_len, src, dst, 2 * sizeof(char) * 4 + sizeof(char), 0, &dst_status, 0, 0, 0);
1958     ok(hr == S_OK, "got %08x\n", hr);
1959     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1960     ok(dst_len == sizeof(hexpacked_a) * 2, "got %ld\n", dst_len);
1961     ok(!memcmp(hexunpacked_a, dst, 2 * sizeof(char) * 4 ), "got %s\n", dst);
1962     ok(dst[2 * 4] == 0, "not null terminated\n");
1963     ok(dst[2 * 4 + 1] == (char)0xcc, "clobbered buffer\n");
1964
1965     memcpy(src, hexpacked_a, sizeof(hexpacked_a));
1966     memset(dst, 0xcc, sizeof(dst));
1967     dst_len = 0x1234;
1968     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_STR, sizeof(hexpacked_a), &dst_len, src, dst, 2 * sizeof(char) * 4, 0, &dst_status, 0, 0, 0);
1969     ok(hr == S_OK, "got %08x\n", hr);
1970     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
1971     ok(dst_len == sizeof(hexpacked_a) * 2, "got %ld\n", dst_len);
1972     ok(!memcmp(hexunpacked_a, dst, 2 * sizeof(char) * 4 - 2 ), "got %s\n", dst);
1973     ok(dst[2 * 4 - 1] == 0, "not null terminated\n");
1974     ok(dst[2 * 4] == (char)0xcc, "clobbered buffer\n");
1975
1976     memcpy(src, hexpacked_a, sizeof(hexpacked_a));
1977     memset(dst, 0xcc, sizeof(dst));
1978     dst_len = 0x1234;
1979     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_STR, 0, &dst_len, src, dst, sizeof(dst), 0, &dst_status, 0, 0, DBDATACONVERT_LENGTHFROMNTS);
1980     ok(hr == S_OK, "got %08x\n", hr);
1981     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
1982     ok(dst_len == 0, "got %ld\n", dst_len);
1983     ok(dst[0] == 0, "not null terminated\n");
1984     ok(dst[1] == (char)0xcc, "clobbered buffer\n");
1985 }
1986
1987 static void test_converttobyrefwstr(void)
1988 {
1989     HRESULT hr;
1990     WCHAR *dst;
1991     BYTE src[20];
1992     DBSTATUS dst_status;
1993     DBLENGTH dst_len;
1994     static const WCHAR ten[] = {'1','0',0};
1995     static const WCHAR fourthreetwoone[] = {'4','3','2','1',0};
1996     BSTR b;
1997
1998     hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_BYREF | DBTYPE_WSTR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
1999     ok(hr == S_OK, "got %08x\n", hr);
2000     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2001     ok(dst_len == 0, "got %ld\n", dst_len);
2002     ok(dst[0] == 0, "got %04x\n", dst[0]);
2003     CoTaskMemFree(dst);
2004
2005     dst = (void*)0x12345678;
2006     dst_len = 0x1234;
2007     hr = IDataConvert_DataConvert(convert, DBTYPE_NULL, DBTYPE_BYREF | DBTYPE_WSTR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2008     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
2009     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
2010     ok(dst_len == 0x1234, "got %ld\n", dst_len);
2011     ok(dst == (void*)0x12345678, "got %p\n", dst);
2012
2013     *(short *)src = 4321;
2014     dst_len = 0x1234;
2015     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_BYREF | DBTYPE_WSTR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2016     ok(hr == S_OK, "got %08x\n", hr);
2017     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2018     ok(dst_len == 8, "got %ld\n", dst_len);
2019     ok(!lstrcmpW(dst, fourthreetwoone), "got %s\n", wine_dbgstr_w(dst));
2020     CoTaskMemFree(dst);
2021
2022     *(short *)src = 4321;
2023     dst_len = 0x1234;
2024     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_BYREF | DBTYPE_WSTR, 0, &dst_len, src, &dst, 0, 0, &dst_status, 0, 0, 0);
2025     ok(hr == S_OK, "got %08x\n", hr);
2026     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2027     ok(dst_len == 8, "got %ld\n", dst_len);
2028     ok(!lstrcmpW(dst, fourthreetwoone), "got %s\n", wine_dbgstr_w(dst));
2029     CoTaskMemFree(dst);
2030
2031     b = SysAllocString(ten);
2032     *(BSTR *)src = b;
2033     dst_len = 0x1234;
2034     hr = IDataConvert_DataConvert(convert, DBTYPE_BSTR, DBTYPE_BYREF | DBTYPE_WSTR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2035     ok(hr == S_OK, "got %08x\n", hr);
2036     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2037     ok(dst_len == 4, "got %ld\n", dst_len);
2038     ok(!lstrcmpW(b, dst), "got %s\n", wine_dbgstr_w(dst));
2039     CoTaskMemFree(dst);
2040     SysFreeString(b);
2041
2042     memcpy(src, ten, sizeof(ten));
2043     dst_len = 0x1234;
2044     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_BYREF | DBTYPE_WSTR, 2, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2045     ok(hr == S_OK, "got %08x\n", hr);
2046     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2047     ok(dst_len == 2, "got %ld\n", dst_len);
2048     ok(dst[0] == '1', "got %02x\n", dst[0]);
2049     ok(dst[1] == 0, "got %02x\n", dst[1]);
2050     CoTaskMemFree(dst);
2051
2052     memcpy(src, ten, sizeof(ten));
2053     dst_len = 0x1234;
2054     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_BYREF | DBTYPE_WSTR, 4, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2055     ok(hr == S_OK, "got %08x\n", hr);
2056     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2057     ok(dst_len == 4, "got %ld\n", dst_len);
2058     ok(!lstrcmpW(ten, dst), "got %s\n", wine_dbgstr_w(dst));
2059     CoTaskMemFree(dst);
2060
2061     memcpy(src, ten, sizeof(ten));
2062     dst_len = 0x1234;
2063     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_BYREF | DBTYPE_WSTR, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, DBDATACONVERT_LENGTHFROMNTS);
2064     ok(hr == S_OK, "got %08x\n", hr);
2065     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2066     ok(dst_len == 4, "got %ld\n", dst_len);
2067     ok(!lstrcmpW(ten, dst), "got %s\n", wine_dbgstr_w(dst));
2068     CoTaskMemFree(dst);
2069 }
2070
2071 static void test_converttoguid(void)
2072 {
2073     HRESULT hr;
2074     GUID dst;
2075     BYTE src[20];
2076     DBSTATUS dst_status;
2077     DBLENGTH dst_len;
2078
2079     dst = IID_IDCInfo;
2080     dst_len = 0x1234;
2081     hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_GUID, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2082     ok(hr == S_OK, "got %08x\n", hr);
2083     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2084     ok(dst_len == sizeof(GUID), "got %ld\n", dst_len);
2085     ok(IsEqualGUID(&dst, &GUID_NULL), "didn't get GUID_NULL\n");
2086
2087     dst = IID_IDCInfo;
2088     dst_len = 0x1234;
2089     hr = IDataConvert_DataConvert(convert, DBTYPE_NULL, DBTYPE_GUID, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2090     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
2091     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
2092     ok(dst_len == 0x1234, "got %ld\n", dst_len);
2093     ok(IsEqualGUID(&dst, &IID_IDCInfo), "dst has changed\n");
2094
2095     dst = IID_IDCInfo;
2096     memcpy(src, &IID_IDataConvert, sizeof(GUID));
2097     dst_len = 0x1234;
2098     hr = IDataConvert_DataConvert(convert, DBTYPE_GUID, DBTYPE_GUID, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2099     ok(hr == S_OK, "got %08x\n", hr);
2100     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2101     ok(dst_len == sizeof(GUID), "got %ld\n", dst_len);
2102     ok(IsEqualGUID(&dst, &IID_IDataConvert), "didn't get IID_IDataConvert\n");
2103 }
2104
2105 static void test_converttofiletime(void)
2106 {
2107     HRESULT hr;
2108     FILETIME dst;
2109     BYTE src[20];
2110     DBSTATUS dst_status;
2111     DBLENGTH dst_len;
2112
2113     memset(&dst, 0xcc, sizeof(dst));
2114     ((FILETIME *)src)->dwLowDateTime = 0x12345678;
2115     ((FILETIME *)src)->dwHighDateTime = 0x9abcdef0;
2116     dst_len = 0x1234;
2117     hr = IDataConvert_DataConvert(convert, DBTYPE_FILETIME, DBTYPE_FILETIME, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2118     ok(hr == S_OK ||
2119        broken(hr == DB_E_BADBINDINFO), /* win98 */
2120        "got %08x\n", hr);
2121     if(SUCCEEDED(hr))
2122     {
2123         ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2124         ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2125         ok(dst.dwLowDateTime == 0x12345678, "got %08x\n", dst.dwLowDateTime);
2126         ok(dst.dwHighDateTime == 0x9abcdef0, "got %08x\n", dst.dwHighDateTime);
2127     }
2128 }
2129
2130 static void test_converttoui1(void)
2131 {
2132     HRESULT hr;
2133     BYTE dst;
2134     BYTE src[20];
2135     DBSTATUS dst_status;
2136     DBLENGTH dst_len;
2137
2138     dst = 0x12;
2139     dst_len = 0x1234;
2140     hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_UI1, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2141     ok(hr == S_OK, "got %08x\n", hr);
2142     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2143     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2144     ok(dst == 0, "got %08x\n", dst);
2145
2146     dst = 0x12;
2147     dst_len = 0x1234;
2148     hr = IDataConvert_DataConvert(convert, DBTYPE_NULL, DBTYPE_UI1, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2149     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
2150     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
2151     ok(dst_len == 0x1234, "got %ld\n", dst_len);
2152     ok(dst == 0x12, "got %08x\n", dst);
2153
2154     dst = 0x12;
2155     src[0] = 0x43;
2156     dst_len = 0x1234;
2157     hr = IDataConvert_DataConvert(convert, DBTYPE_UI1, DBTYPE_UI1, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2158     ok(hr == S_OK, "got %08x\n", hr);
2159     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2160     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2161     ok(dst == 0x43, "got %08x\n", dst);
2162
2163     dst = 0x12;
2164     src[0] = 0xfe;
2165     dst_len = 0x1234;
2166     hr = IDataConvert_DataConvert(convert, DBTYPE_UI1, DBTYPE_UI1, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2167     ok(hr == S_OK, "got %08x\n", hr);
2168     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2169     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2170     ok(dst == 0xfe, "got %08x\n", dst);
2171 }
2172
2173 static void test_converttoui4(void)
2174 {
2175     HRESULT hr;
2176     DWORD dst;
2177     BYTE src[20];
2178     DBSTATUS dst_status;
2179     DBLENGTH dst_len;
2180
2181     dst = 0x12345678;
2182     dst_len = 0x1234;
2183     hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_UI4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2184     ok(hr == S_OK, "got %08x\n", hr);
2185     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2186     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2187     ok(dst == 0, "got %08x\n", dst);
2188
2189     dst = 0x12345678;
2190     dst_len = 0x1234;
2191     hr = IDataConvert_DataConvert(convert, DBTYPE_NULL, DBTYPE_UI4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2192     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
2193     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
2194     ok(dst_len == 0x1234, "got %ld\n", dst_len);
2195     ok(dst == 0x12345678, "got %08x\n", dst);
2196
2197     dst = 0x12345678;
2198     *(DWORD*)src = 0x87654321;
2199     dst_len = 0x1234;
2200     hr = IDataConvert_DataConvert(convert, DBTYPE_UI4, DBTYPE_UI4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2201     ok(hr == S_OK, "got %08x\n", hr);
2202     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2203     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2204     ok(dst == 0x87654321, "got %08x\n", dst);
2205
2206     dst = 0x12345678;
2207     *(signed short *)src = 0x4321;
2208     dst_len = 0x1234;
2209     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_UI4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2210     ok(hr == S_OK, "got %08x\n", hr);
2211     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2212     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2213     ok(dst == 0x4321, "got %08x\n", dst);
2214
2215     dst = 0x12345678;
2216     *(signed short *)src = -1;
2217     dst_len = 0x1234;
2218     hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_UI4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2219     ok(hr == DB_E_ERRORSOCCURRED, "got %08x\n", hr);
2220 todo_wine
2221     ok(dst_status == DBSTATUS_E_SIGNMISMATCH, "got %08x\n", dst_status);
2222 todo_wine
2223     ok(broken(dst_len == sizeof(dst)) || dst_len == 0x1234 /* W2K+ */, "got %ld\n", dst_len);
2224     ok(dst == 0x12345678, "got %08x\n", dst);
2225
2226     dst_len = dst = 0x1234;
2227     V_VT((VARIANT*)src) = VT_I2;
2228     V_I2((VARIANT*)src) = 0x4321;
2229     hr = IDataConvert_DataConvert(convert, DBTYPE_VARIANT, DBTYPE_UI4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2230     ok(hr == S_OK, "got %08x\n", hr);
2231     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2232     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2233     ok(dst == 0x4321, "got %08x\n", dst);
2234 }
2235
2236 static void test_converttor4(void)
2237 {
2238     HRESULT hr;
2239     FLOAT dst;
2240     BYTE src[20];
2241     DBSTATUS dst_status;
2242     DBLENGTH dst_len;
2243
2244     dst = 1.0;
2245     dst_len = 0x1234;
2246     hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_R4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2247     ok(hr == S_OK, "got %08x\n", hr);
2248     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2249     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2250     ok(dst == 0.0, "got %f\n", dst);
2251
2252     dst = 1.0;
2253     dst_len = 0x1234;
2254     hr = IDataConvert_DataConvert(convert, DBTYPE_NULL, DBTYPE_R4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2255     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
2256     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
2257     ok(dst_len == 0x1234, "got %ld\n", dst_len);
2258     ok(dst == 1.0, "got %f\n", dst);
2259
2260     dst = 1.0;
2261     *(signed int*)src = 12345678;
2262     dst_len = 0x1234;
2263     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_R4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2264     ok(hr == S_OK, "got %08x\n", hr);
2265     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2266     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2267     ok(dst == 12345678.0, "got %f\n", dst);
2268
2269     dst = 1.0;
2270     *(FLOAT *)src = 10.0;
2271     dst_len = 0x1234;
2272     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_R4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2273     ok(hr == S_OK, "got %08x\n", hr);
2274     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2275     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2276     ok(dst == 10.0, "got %f\n", dst);
2277 }
2278
2279 static void test_converttocy(void)
2280 {
2281     HRESULT hr;
2282     CY dst;
2283     BYTE src[20];
2284     DBSTATUS dst_status;
2285     DBLENGTH dst_len;
2286
2287     dst.int64 = 0xcc;
2288     dst_len = 0x1234;
2289     hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_CY, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2290     ok(hr == S_OK, "got %08x\n", hr);
2291     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2292     ok(dst_len == sizeof(CY), "got %ld\n", dst_len);
2293     ok(dst.int64 == 0, "didn't get 0\n");
2294
2295     dst.int64 = 0xcc;
2296     dst_len = 0x1234;
2297     hr = IDataConvert_DataConvert(convert, DBTYPE_NULL, DBTYPE_CY, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2298     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
2299     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
2300     ok(dst_len == 0x1234, "got %ld\n", dst_len);
2301     ok(dst.int64 == 0xcc, "dst changed\n");
2302
2303     dst.int64 = 0xcc;
2304     *(int*)src = 1234;
2305     dst_len = 0x1234;
2306     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_CY, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2307     ok(hr == S_OK, "got %08x\n", hr);
2308     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2309     ok(dst_len == sizeof(CY), "got %ld\n", dst_len);
2310     ok(dst.int64 == 12340000, "got %d\n", dst.s.Lo);
2311
2312     dst.int64 = 0xcc;
2313     ((CY*)src)->int64 = 1234;
2314     dst_len = 0x1234;
2315     hr = IDataConvert_DataConvert(convert, DBTYPE_CY, DBTYPE_CY, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2316     ok(hr == S_OK, "got %08x\n", hr);
2317     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2318     ok(dst_len == sizeof(CY), "got %ld\n", dst_len);
2319     ok(dst.int64 == 1234, "got %d\n", dst.s.Lo);
2320 }
2321
2322 static void test_converttoui8(void)
2323 {
2324     HRESULT hr;
2325     ULARGE_INTEGER dst;
2326     BYTE src[20];
2327     DBSTATUS dst_status;
2328     DBLENGTH dst_len;
2329
2330     dst.QuadPart = 0xcc;
2331     dst_len = 0x1234;
2332     hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_UI8, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2333     ok(hr == S_OK, "got %08x\n", hr);
2334     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2335     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2336     ok(dst.QuadPart == 0, "got %d\n", (int)dst.QuadPart);
2337
2338     dst.QuadPart = 0xcc;
2339     dst_len = 0x1234;
2340     hr = IDataConvert_DataConvert(convert, DBTYPE_NULL, DBTYPE_UI8, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2341     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
2342     ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
2343     ok(dst_len == 0x1234, "got %ld\n", dst_len);
2344     ok(dst.QuadPart == 0xcc, "dst changed\n");
2345
2346     dst.QuadPart = 0xcc;
2347     *(int*)src = 1234;
2348     dst_len = 0x1234;
2349     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_UI8, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2350     ok(hr == S_OK, "got %08x\n", hr);
2351     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2352     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2353     ok(dst.QuadPart == 1234, "got %d\n", (int)dst.QuadPart);
2354
2355     dst.QuadPart = 0xcc;
2356     *(int*)src = -1234;
2357     dst_len = 0x1234;
2358     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_UI8, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2359     ok(hr == DB_E_ERRORSOCCURRED, "got %08x\n", hr);
2360 todo_wine
2361     ok(dst_status == DBSTATUS_E_SIGNMISMATCH, "got %08x\n", dst_status);
2362 todo_wine
2363     ok(dst_len == 0x1234, "got %ld\n", dst_len);
2364     ok(dst.QuadPart == 0xcc, "got %d\n", (int)dst.QuadPart);
2365
2366     dst.QuadPart = 0xcc;
2367     ((ULARGE_INTEGER*)src)->QuadPart = 1234;
2368     dst_len = 0x1234;
2369     hr = IDataConvert_DataConvert(convert, DBTYPE_UI8, DBTYPE_UI8, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2370     ok(hr == S_OK, "got %08x\n", hr);
2371     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2372     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2373     ok(dst.QuadPart == 1234, "got %d\n", (int)dst.QuadPart);
2374 }
2375
2376 static void test_getconversionsize(void)
2377 {
2378     DBLENGTH dst_len;
2379     DBLENGTH src_len;
2380     HRESULT hr;
2381     BSTR str;
2382     static WCHAR strW[] = {'t','e','s','t',0};
2383     static char strTest[] = "test";
2384     VARIANT var;
2385     SAFEARRAY *psa = NULL;
2386     SAFEARRAYBOUND rgsabound[1];
2387
2388     /* same way as CanConvert fails here */
2389     dst_len = 0;
2390     hr = IDataConvert_GetConversionSize(convert, DBTYPE_NULL, DBTYPE_BSTR, NULL, &dst_len, NULL);
2391     ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got 0x%08x\n", hr);
2392
2393     dst_len = 0;
2394     hr = IDataConvert_GetConversionSize(convert, DBTYPE_I2, DBTYPE_I4, NULL, &dst_len, NULL);
2395     ok(hr == S_OK, "got 0x%08x\n", hr);
2396     ok(dst_len == 4, "got %ld\n", dst_len);
2397
2398     hr = IDataConvert_GetConversionSize(convert, DBTYPE_I2, DBTYPE_I4, NULL, NULL, NULL);
2399     ok(hr == E_INVALIDARG, "got 0x%08x\n", hr);
2400
2401     /* size doesn't include string size */
2402     str = SysAllocStringLen(NULL, 10);
2403     dst_len = 0;
2404     hr = IDataConvert_GetConversionSize(convert, DBTYPE_BSTR, DBTYPE_VARIANT, NULL, &dst_len, str);
2405     ok(hr == S_OK, "got 0x%08x\n", hr);
2406     ok(dst_len == sizeof(VARIANT), "%ld\n", dst_len);
2407     SysFreeString(str);
2408
2409     dst_len = 0;
2410     hr = IDataConvert_GetConversionSize(convert, DBTYPE_WSTR, DBTYPE_WSTR, NULL, &dst_len, strW);
2411     ok(hr == S_OK, "got 0x%08x\n", hr);
2412     ok(dst_len == 10, "%ld\n", dst_len);
2413
2414     dst_len = 0;
2415     src_len = 2;
2416     hr = IDataConvert_GetConversionSize(convert, DBTYPE_WSTR, DBTYPE_WSTR, &src_len, &dst_len, strW);
2417     ok(hr == S_OK, "got 0x%08x\n", hr);
2418     ok(dst_len == 4, "%ld\n", dst_len);
2419
2420     dst_len = 0;
2421     src_len = 20;
2422     hr = IDataConvert_GetConversionSize(convert, DBTYPE_WSTR, DBTYPE_WSTR, &src_len, &dst_len, strW);
2423     ok(hr == S_OK, "got 0x%08x\n", hr);
2424     ok(dst_len == 22, "%ld\n", dst_len);
2425
2426     dst_len = 0;
2427     hr = IDataConvert_GetConversionSize(convert, DBTYPE_STR, DBTYPE_WSTR, NULL, &dst_len, strTest);
2428     ok(hr == S_OK, "got 0x%08x\n", hr);
2429     ok(dst_len == 10 || broken(dst_len == 12), "%ld\n", dst_len);
2430
2431     dst_len = 0;
2432     src_len = 2;
2433     hr = IDataConvert_GetConversionSize(convert, DBTYPE_STR, DBTYPE_WSTR, &src_len, &dst_len, strTest);
2434     ok(hr == S_OK, "got 0x%08x\n", hr);
2435     ok(dst_len == 6, "%ld\n", dst_len);
2436
2437     dst_len = 0;
2438     src_len = 20;
2439     hr = IDataConvert_GetConversionSize(convert, DBTYPE_STR, DBTYPE_WSTR, &src_len, &dst_len, strTest);
2440     ok(hr == S_OK, "got 0x%08x\n", hr);
2441     ok(dst_len == 42, "%ld\n", dst_len);
2442
2443     dst_len = 0;
2444     V_VT(&var) = VT_BSTR;
2445     V_BSTR(&var) = SysAllocString(strW);
2446     hr = IDataConvert_GetConversionSize(convert, DBTYPE_VARIANT, DBTYPE_WSTR, NULL, &dst_len, &var);
2447     ok(hr == S_OK, "got 0x%08x\n", hr);
2448     ok(dst_len == 10, "%ld\n", dst_len);
2449     VariantClear(&var);
2450
2451     dst_len = 0;
2452     src_len = 20;
2453     V_VT(&var) = VT_BSTR;
2454     V_BSTR(&var) = SysAllocString(strW);
2455     hr = IDataConvert_GetConversionSize(convert, DBTYPE_VARIANT, DBTYPE_WSTR, &src_len, &dst_len, &var);
2456     ok(hr == S_OK, "got 0x%08x\n", hr);
2457     ok(dst_len == 10, "%ld\n", dst_len);
2458     VariantClear(&var);
2459
2460     dst_len = 0;
2461     src_len = 20;
2462     V_VT(&var) = VT_I4;
2463     V_I4(&var) = 4;
2464     hr = IDataConvert_GetConversionSize(convert, DBTYPE_VARIANT, DBTYPE_WSTR, &src_len, &dst_len, &var);
2465     ok(hr == S_OK, "got 0x%08x\n", hr);
2466     VariantClear(&var);
2467
2468     dst_len = 0;
2469     src_len = 20;
2470     V_VT(&var) = VT_BSTR;
2471     V_BSTR(&var) = SysAllocString(strW);
2472     hr = IDataConvert_GetConversionSize(convert, DBTYPE_VARIANT, DBTYPE_BYTES, &src_len, &dst_len, &var);
2473     ok(hr == S_OK, "got 0x%08x\n", hr);
2474     ok(dst_len == 2, "%ld\n", dst_len);
2475     VariantClear(&var);
2476
2477     dst_len = 0;
2478     src_len = 20;
2479     V_VT(&var) = VT_NULL;
2480     hr = IDataConvert_GetConversionSize(convert, DBTYPE_VARIANT, DBTYPE_BYTES, &src_len, &dst_len, &var);
2481     ok(hr == S_OK, "got 0x%08x\n", hr);
2482     VariantClear(&var);
2483
2484     dst_len = 0;
2485     src_len = 20;
2486     rgsabound[0].lLbound = 0;
2487     rgsabound[0].cElements = 1802;
2488     psa = SafeArrayCreate(VT_UI1,1,rgsabound);
2489
2490     V_VT(&var) = VT_ARRAY|VT_UI1;
2491     V_ARRAY(&var) = psa;
2492     hr = IDataConvert_GetConversionSize(convert, DBTYPE_VARIANT, DBTYPE_BYTES, &src_len, &dst_len, &var);
2493     ok(hr == S_OK, "got 0x%08x\n", hr);
2494     ok(dst_len == 1802, "%ld\n", dst_len);
2495     VariantClear(&var);
2496 }
2497
2498 static void test_converttobytes(void)
2499 {
2500     DBLENGTH dst_len;
2501     HRESULT hr;
2502     BYTE byte_src[] = {0, 1, 2, 4, 5};
2503     BYTE dst[10] = {0};
2504     DBSTATUS dst_status;
2505
2506     dst_len = 0;
2507     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_BYTES, sizeof(byte_src), &dst_len, byte_src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2508     ok(hr == S_OK, "got %08x\n", hr);
2509     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2510     ok(dst_len == sizeof(byte_src), "got %ld\n", dst_len);
2511     ok(!memcmp(byte_src, dst, dst_len ), "bytes differ\n");
2512
2513     dst_len = 0;
2514     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_BYTES, sizeof(byte_src), &dst_len, byte_src, &dst, 2, 0, &dst_status, 0, 0, 0);
2515     ok(hr == S_OK, "got %08x\n", hr);
2516     ok(dst_status == DBSTATUS_S_TRUNCATED, "got %08x\n", dst_status);
2517     ok(dst_len == sizeof(byte_src), "got %ld\n", dst_len);
2518     ok(!memcmp(byte_src, dst, 2 ), "bytes differ\n");
2519 }
2520
2521 static void test_converttobytesbyref(void)
2522 {
2523     DBLENGTH dst_len;
2524     HRESULT hr;
2525     BYTE byte_src[] = {0, 1, 2, 4, 5};
2526     BYTE *dst;
2527     DBSTATUS dst_status;
2528
2529     dst_len = 0;
2530     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_BYTES | DBTYPE_BYREF, sizeof(byte_src), &dst_len, byte_src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2531     ok(hr == S_OK, "got %08x\n", hr);
2532     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2533     ok(dst_len == sizeof(byte_src), "got %ld\n", dst_len);
2534     ok(!memcmp(byte_src, dst, dst_len ), "bytes differ\n");
2535     CoTaskMemFree(dst);
2536 }
2537
2538 static void test_converttodbdate(void)
2539 {
2540     DBLENGTH dst_len;
2541     HRESULT hr;
2542     static WCHAR strW[] = {'2','0','1','3','-','0','5','-','1','4',0};
2543     DBDATE ts = {2013, 5, 14};
2544     DBDATE dst;
2545     DBSTATUS dst_status;
2546     VARIANT var;
2547     BSTR bstr;
2548
2549     dst_len = 0;
2550     hr = IDataConvert_DataConvert(convert, DBTYPE_DBDATE, DBTYPE_DBDATE, sizeof(ts), &dst_len, &ts, &dst, 2, 0, &dst_status, 0, 0, 0);
2551     ok(hr == S_OK, "got %08x\n", hr);
2552     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2553     ok(dst_len == sizeof(DBDATE), "got %ld\n", dst_len);
2554     ok(!memcmp(&ts, &dst, sizeof(DBDATE) ), "bytes differ\n");
2555
2556     VariantInit(&var);
2557     V_VT(&var) = VT_DATE;
2558     V_DATE(&var) = 41408.086250;
2559     dst_len = 0;
2560     hr = IDataConvert_DataConvert(convert, DBTYPE_VARIANT, DBTYPE_DBDATE, sizeof(var), &dst_len, &var, &dst, 2, 0, &dst_status, 0, 0, 0);
2561     ok(hr == S_OK, "got %08x\n", hr);
2562     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2563     ok(dst_len == sizeof(DBDATE), "got %ld\n", dst_len);
2564     ok(!memcmp(&ts, &dst, sizeof(DBDATE) ), "bytes differ\n");
2565
2566     dst_len = 0;
2567     bstr = SysAllocString(strW);
2568     hr = IDataConvert_DataConvert(convert, DBTYPE_BSTR, DBTYPE_DBDATE, 0, &dst_len, &bstr, &dst, 2, 0, &dst_status, 0, 0, 0);
2569     ok(hr == S_OK, "got %08x\n", hr);
2570     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2571     ok(dst_len == sizeof(DBDATE), "got %ld\n", dst_len);
2572     ok(!memcmp(&ts, &dst, sizeof(DBDATE) ), "bytes differ\n");
2573     SysFreeString(bstr);
2574 }
2575
2576
2577 static void test_converttovar(void)
2578 {
2579     static WCHAR strW[] = {'t','e','s','t',0};
2580     BYTE byte_src[5] = {1, 2, 3, 4, 5};
2581     DBTIMESTAMP ts = {2013, 5, 14, 2, 4, 12, 0};
2582     DBDATE dbdate = {2013, 5, 15};
2583     double dvalue = 123.56;
2584     DBSTATUS dst_status;
2585     DBLENGTH dst_len;
2586     VARIANT dst;
2587     HRESULT hr;
2588     CY cy, cy2;
2589     DATE date;
2590     INT i4;
2591     LARGE_INTEGER i8;
2592     VARIANT_BOOL boolean = VARIANT_TRUE;
2593     FLOAT fvalue = 543.21f;
2594
2595     V_VT(&dst) = VT_EMPTY;
2596     dst_len = 0;
2597     dst_status = DBSTATUS_S_DEFAULT;
2598     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_VARIANT, sizeof(strW), &dst_len, strW, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2599     ok(hr == S_OK, "got %08x\n", hr);
2600     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2601     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2602     ok(V_VT(&dst) == VT_BSTR, "got %d\n", V_VT(&dst));
2603     ok(!lstrcmpW(V_BSTR(&dst), strW), "got %s\n", wine_dbgstr_w(V_BSTR(&dst)));
2604     VariantClear(&dst);
2605
2606     /* with null dest length and status */
2607     V_VT(&dst) = VT_EMPTY;
2608     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_VARIANT, sizeof(strW), NULL, strW, &dst, sizeof(dst), 0, NULL, 0, 0, 0);
2609     ok(hr == S_OK, "got %08x\n", hr);
2610     ok(V_VT(&dst) == VT_BSTR, "got %d\n", V_VT(&dst));
2611     ok(!lstrcmpW(V_BSTR(&dst), strW), "got %s\n", wine_dbgstr_w(V_BSTR(&dst)));
2612     VariantClear(&dst);
2613
2614     V_VT(&dst) = VT_EMPTY;
2615     dst_len = 0;
2616     dst_status = DBSTATUS_S_DEFAULT;
2617     i8.QuadPart = 12345;
2618     dst_len = 0x1234;
2619     hr = IDataConvert_DataConvert(convert, DBTYPE_I8, DBTYPE_VARIANT, sizeof(i8), &dst_len, &i8, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2620     ok(hr == S_OK, "got %08x\n", hr);
2621     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2622     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2623     ok(V_VT(&dst) == VT_DECIMAL, "got %d\n", V_VT(&dst));
2624     ok(S(U(V_DECIMAL(&dst))).scale == 0 && S(U(V_DECIMAL(&dst))).sign == 0 &&
2625        V_DECIMAL(&dst).Hi32 == 0 && U1(V_DECIMAL(&dst)).Lo64 == 12345, "Not Equal\n");
2626
2627     V_VT(&dst) = VT_EMPTY;
2628     dst_len = 0;
2629     dst_status = DBSTATUS_S_DEFAULT;
2630     hr = IDataConvert_DataConvert(convert, DBTYPE_R4, DBTYPE_VARIANT, sizeof(fvalue), &dst_len, &fvalue, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2631     ok(hr == S_OK, "got %08x\n", hr);
2632     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2633     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2634     ok(V_VT(&dst) == VT_R4, "got %d\n", V_VT(&dst));
2635     ok(V_R4(&dst) == 543.21f, "got %f\n", V_R4(&dst));
2636
2637     V_VT(&dst) = VT_EMPTY;
2638     dst_len = 0;
2639     dst_status = DBSTATUS_S_DEFAULT;
2640     hr = IDataConvert_DataConvert(convert, DBTYPE_R8, DBTYPE_VARIANT, sizeof(dvalue), &dst_len, &dvalue, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2641     ok(hr == S_OK, "got %08x\n", hr);
2642     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2643     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2644     ok(V_VT(&dst) == VT_R8, "got %d\n", V_VT(&dst));
2645     ok(V_R8(&dst) == 123.56, "got %f\n", V_R8(&dst));
2646
2647     V_VT(&dst) = VT_EMPTY;
2648     dst_len = 0;
2649     dst_status = DBSTATUS_S_DEFAULT;
2650     hr = IDataConvert_DataConvert(convert, DBTYPE_BOOL, DBTYPE_VARIANT, sizeof(boolean), &dst_len, &boolean, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2651     ok(hr == S_OK, "got %08x\n", hr);
2652     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2653     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2654     ok(V_VT(&dst) == VT_BOOL, "got %d\n", V_VT(&dst));
2655     ok(V_BOOL(&dst) == VARIANT_TRUE, "got %d\n", V_BOOL(&dst));
2656
2657     V_VT(&dst) = VT_EMPTY;
2658     dst_len = 0;
2659     dst_status = DBSTATUS_S_DEFAULT;
2660     i4 = 123;
2661     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_VARIANT, sizeof(i4), &dst_len, &i4, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2662     ok(hr == S_OK, "got %08x\n", hr);
2663     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2664     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2665     ok(V_VT(&dst) == VT_I4, "got %d\n", V_VT(&dst));
2666     ok(V_I4(&dst) == 123, "got %d\n", V_I4(&dst));
2667
2668     V_VT(&dst) = VT_EMPTY;
2669     dst_len = 0;
2670     dst_status = DBSTATUS_S_DEFAULT;
2671     date = 123.123;
2672     hr = IDataConvert_DataConvert(convert, DBTYPE_DATE, DBTYPE_VARIANT, sizeof(date), &dst_len, &date, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2673     ok(hr == S_OK, "got %08x\n", hr);
2674     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2675     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2676     ok(V_VT(&dst) == VT_DATE, "got %d\n", V_VT(&dst));
2677     ok(V_DATE(&dst) == 123.123, "got %f\n", V_DATE(&dst));
2678
2679     V_VT(&dst) = VT_EMPTY;
2680     dst_len = 0;
2681     dst_status = DBSTATUS_S_DEFAULT;
2682     S(cy).Lo = 1;
2683     S(cy).Hi = 2;
2684     hr = IDataConvert_DataConvert(convert, DBTYPE_CY, DBTYPE_VARIANT, sizeof(cy), &dst_len, &cy, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2685     ok(hr == S_OK, "got %08x\n", hr);
2686     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2687     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2688     ok(V_VT(&dst) == VT_CY, "got %d\n", V_VT(&dst));
2689
2690     cy2 = V_CY(&dst);
2691     ok(S(cy2).Lo == S(cy).Lo && S(cy2).Hi == S(cy).Hi, "got %d,%d\n", S(cy2).Lo, S(cy2).Hi);
2692
2693     dst_len = 0x1234;
2694     hr = IDataConvert_DataConvert(convert, DBTYPE_BYTES, DBTYPE_VARIANT, 0, &dst_len, &byte_src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2695     ok(hr == S_OK, "got %08x\n", hr);
2696     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2697     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2698     ok(V_VT(&dst) == (VT_ARRAY|VT_UI1), "got %d\n", V_VT(&dst));
2699     VariantClear(&dst);
2700
2701     dst_len = 0x1234;
2702     hr = IDataConvert_DataConvert(convert, DBTYPE_DBTIMESTAMP, DBTYPE_VARIANT, 0, &dst_len, &ts, &dst, sizeof(ts), 0, &dst_status, 0, 0, 0);
2703     ok(hr == S_OK, "got %08x\n", hr);
2704     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2705     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2706     ok(V_VT(&dst) == VT_DATE, "got %d\n", V_VT(&dst));
2707     ok( (float)V_DATE(&dst) == 41408.086250f, "got %f\n", V_DATE(&dst));
2708
2709     dst_len = 0x1234;
2710     hr = IDataConvert_DataConvert(convert, DBTYPE_DBDATE, DBTYPE_VARIANT, 0, &dst_len, &dbdate, &dst, sizeof(dbdate), 0, &dst_status, 0, 0, 0);
2711     ok(hr == S_OK, "got %08x\n", hr);
2712     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2713     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2714     ok(V_VT(&dst) == VT_DATE, "got %d\n", V_VT(&dst));
2715     ok( (float)V_DATE(&dst) == 41409.0, "got %f\n", V_DATE(&dst));
2716
2717     /* src_status = DBSTATUS_S_ISNULL */
2718     i4 = 123;
2719     hr = IDataConvert_DataConvert(convert, DBTYPE_I4, DBTYPE_VARIANT, sizeof(i4), &dst_len, &i4, &dst, sizeof(dst), DBSTATUS_S_ISNULL, &dst_status, 0, 0, 0);
2720     ok(hr == S_OK, "got %08x\n", hr);
2721     ok(dst_status == DBSTATUS_S_ISNULL, "got %08x\n", dst_status);
2722     ok(dst_len == 0, "got %ld\n", dst_len);
2723
2724 }
2725
2726 static void test_converttotimestamp(void)
2727 {
2728     static const WCHAR strW[] = {'2','0','1','3','-','0','5','-','1','4',' ','0','2',':','0','4',':','1','2',0};
2729     DBTIMESTAMP ts = {2013, 5, 14, 2, 4, 12, 0};
2730     DBTIMESTAMP dst;
2731     DBSTATUS dst_status;
2732     DBLENGTH dst_len;
2733     VARIANT var;
2734     HRESULT hr;
2735     BSTR bstr;
2736
2737     VariantInit(&var);
2738     V_VT(&var) = VT_DATE;
2739     V_DATE(&var) = 41408.086250;
2740     dst_len = 0x1234;
2741     hr = IDataConvert_DataConvert(convert, DBTYPE_VARIANT, DBTYPE_DBTIMESTAMP, 0, &dst_len, &var, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2742     ok(hr == S_OK, "got %08x\n", hr);
2743     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2744     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2745     ok(!memcmp(&ts, &dst, sizeof(ts)), "Wrong timestamp\n");
2746
2747     bstr = SysAllocString(strW);
2748     dst_len = 0x1234;
2749     hr = IDataConvert_DataConvert(convert, DBTYPE_BSTR, DBTYPE_DBTIMESTAMP, 0, &dst_len, &bstr, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
2750     ok(hr == S_OK, "got %08x\n", hr);
2751     ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
2752     ok(dst_len == sizeof(dst), "got %ld\n", dst_len);
2753     ok(!memcmp(&ts, &dst, sizeof(ts)), "Wrong timestamp\n");
2754     SysFreeString(bstr);
2755 }
2756
2757 static void test_converttoiunknown(void)
2758 {
2759     HRESULT hr;
2760     DBSTATUS dst_status;
2761     DBLENGTH dst_len;
2762     IUnknown *dst = NULL;
2763     static WCHAR strW[] = {'t','e','s','t',0};
2764
2765     dst_len = 0x1234;
2766     hr = IDataConvert_DataConvert(convert, DBTYPE_WSTR, DBTYPE_IUNKNOWN, sizeof(strW), &dst_len, strW, dst, sizeof(dst), DBSTATUS_S_ISNULL, &dst_status, 0, 0, 0);
2767     ok(hr == S_OK, "got %08x\n", hr);
2768     ok(dst_status == DBSTATUS_S_ISNULL, "got %08x\n", dst_status);
2769     ok(dst_len == 0, "got %ld\n", dst_len);
2770 }
2771
2772 START_TEST(convert)
2773 {
2774     HRESULT hr;
2775
2776     OleInitialize(NULL);
2777
2778     test_dcinfo();
2779
2780     hr = CoCreateInstance(&CLSID_OLEDB_CONVERSIONLIBRARY, NULL, CLSCTX_INPROC_SERVER, &IID_IDataConvert, (void**)&convert);
2781     if(FAILED(hr))
2782     {
2783         win_skip("Unable to create IDataConvert instance, 0x%08x\n", hr);
2784         OleUninitialize();
2785         return;
2786     }
2787
2788     test_canconvert();
2789     test_converttoi2();
2790     test_converttoi4();
2791     test_converttoi8();
2792     test_converttostr();
2793     test_converttobstr();
2794     test_converttowstr();
2795     test_converttobyrefwstr();
2796     test_converttoguid();
2797     test_converttoui1();
2798     test_converttoui4();
2799     test_converttor4();
2800     test_converttofiletime();
2801     test_converttocy();
2802     test_converttoui8();
2803     test_converttovar();
2804     test_converttobytes();
2805     test_converttobytesbyref();
2806     test_converttodbdate();
2807     test_getconversionsize();
2808     test_converttotimestamp();
2809     test_converttoiunknown();
2810
2811     IDataConvert_Release(convert);
2812
2813     OleUninitialize();
2814 }