dlls/windowscodecs/tests/metadata.c

   1 /*
   2  * Copyright 2011 Vincent Povirk for CodeWeavers
   3  * Copyright 2012 Dmitry Timoshkov
   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 <stdio.h>
  21 #include <stdarg.h>
  22 #include <math.h>
  23
  24 #define COBJMACROS
  25
  26 #include "windef.h"
  27 #include "objbase.h"
  28 #include "wincodec.h"
  29 #include "wincodecsdk.h"
  30 #include "wine/test.h"
  31
  32 #define expect_blob(propvar, data, length) do { \
  33     ok((propvar).vt == VT_BLOB, "unexpected vt: %i\n", (propvar).vt); \
  34     if ((propvar).vt == VT_BLOB) { \
  35         ok(U(propvar).blob.cbSize == (length), "expected size %u, got %u\n", (ULONG)(length), U(propvar).blob.cbSize); \
  36         if (U(propvar).blob.cbSize == (length)) { \
  37             ok(!memcmp(U(propvar).blob.pBlobData, (data), (length)), "unexpected data\n"); \
  38         } \
  39     } \
  40 } while (0)
  41
  42 #define IFD_SHORT 3
  43 #define IFD_LONG 4
  44 #define IFD_RATIONAL 5
  45
  46 #include "pshpack2.h"
  47 struct IFD_entry
  48 {
  49     SHORT id;
  50     SHORT type;
  51     ULONG length;
  52     LONG  value;
  53 };
  54
  55 struct IFD_rational
  56 {
  57     LONG numerator;
  58     LONG denominator;
  59 };
  60
  61 static const struct
  62 {
  63     USHORT number_of_entries;
  64     struct IFD_entry entry[6];
  65     ULONG next_IFD;
  66     struct IFD_rational xres;
  67 } IFD_data =
  68 {
  69     6,
  70     {
  71         { 0xfe,  IFD_SHORT, 1, 1 }, /* NEWSUBFILETYPE */
  72         { 0x100, IFD_LONG, 1, 222 }, /* IMAGEWIDTH */
  73         { 0x101, IFD_LONG, 1, 333 }, /* IMAGELENGTH */
  74         { 0x102, IFD_SHORT, 1, 24 }, /* BITSPERSAMPLE */
  75         { 0x103, IFD_LONG, 1, 32773 }, /* COMPRESSION: packbits */
  76         { 0x11a, IFD_RATIONAL, 1, /* XRESOLUTION */
  77           sizeof(USHORT) + sizeof(struct IFD_entry) * 6 + sizeof(ULONG) }
  78     },
  79     0,
  80     { 900, 3 }
  81 };
  82 #include "poppack.h"
  83
  84 static const char metadata_unknown[] = "lalala";
  85
  86 static const char metadata_tEXt[] = {
  87     0,0,0,14, /* chunk length */
  88     't','E','X','t', /* chunk type */
  89     'w','i','n','e','t','e','s','t',0, /* keyword */
  90     'v','a','l','u','e', /* text */
  91     0x3f,0x64,0x19,0xf3 /* chunk CRC */
  92 };
  93
  94 static const char *debugstr_guid(REFIID riid)
  95 {
  96     static char buf[50];
  97
  98     if(!riid)
  99         return "(null)";
 100
 101     sprintf(buf, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
 102             riid->Data1, riid->Data2, riid->Data3, riid->Data4[0],
 103             riid->Data4[1], riid->Data4[2], riid->Data4[3], riid->Data4[4],
 104             riid->Data4[5], riid->Data4[6], riid->Data4[7]);
 105
 106     return buf;
 107 }
 108
 109 static IStream *create_stream(const char *data, int data_size)
 110 {
 111     HRESULT hr;
 112     IStream *stream;
 113     HGLOBAL hdata;
 114     void *locked_data;
 115
 116     hdata = GlobalAlloc(GMEM_MOVEABLE, data_size);
 117     ok(hdata != 0, "GlobalAlloc failed\n");
 118     if (!hdata) return NULL;
 119
 120     locked_data = GlobalLock(hdata);
 121     memcpy(locked_data, data, data_size);
 122     GlobalUnlock(hdata);
 123
 124     hr = CreateStreamOnHGlobal(hdata, TRUE, &stream);
 125     ok(hr == S_OK, "CreateStreamOnHGlobal failed, hr=%x\n", hr);
 126
 127     return stream;
 128 }
 129
 130 static void load_stream(IUnknown *reader, const char *data, int data_size)
 131 {
 132     HRESULT hr;
 133     IWICPersistStream *persist;
 134     IStream *stream;
 135
 136     stream = create_stream(data, data_size);
 137     if (!stream)
 138         return;
 139
 140     hr = IUnknown_QueryInterface(reader, &IID_IWICPersistStream, (void**)&persist);
 141     ok(hr == S_OK, "QueryInterface failed, hr=%x\n", hr);
 142
 143     if (SUCCEEDED(hr))
 144     {
 145         hr = IWICPersistStream_LoadEx(persist, stream, NULL, WICPersistOptionsDefault);
 146         ok(hr == S_OK, "LoadEx failed, hr=%x\n", hr);
 147
 148         IWICPersistStream_Release(persist);
 149     }
 150
 151     IStream_Release(stream);
 152 }
 153
 154 static void test_metadata_unknown(void)
 155 {
 156     HRESULT hr;
 157     IWICMetadataReader *reader;
 158     IWICEnumMetadataItem *enumerator;
 159     IWICMetadataBlockReader *blockreader;
 160     PROPVARIANT schema, id, value;
 161     ULONG items_returned;
 162
 163     hr = CoCreateInstance(&CLSID_WICUnknownMetadataReader, NULL, CLSCTX_INPROC_SERVER,
 164         &IID_IWICMetadataReader, (void**)&reader);
 165     ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
 166     if (FAILED(hr)) return;
 167
 168     load_stream((IUnknown*)reader, metadata_unknown, sizeof(metadata_unknown));
 169
 170     hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
 171     ok(hr == S_OK, "GetEnumerator failed, hr=%x\n", hr);
 172
 173     if (SUCCEEDED(hr))
 174     {
 175         PropVariantInit(&schema);
 176         PropVariantInit(&id);
 177         PropVariantInit(&value);
 178
 179         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
 180         ok(hr == S_OK, "Next failed, hr=%x\n", hr);
 181         ok(items_returned == 1, "unexpected item count %i\n", items_returned);
 182
 183         if (hr == S_OK && items_returned == 1)
 184         {
 185             ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
 186             ok(id.vt == VT_EMPTY, "unexpected vt: %i\n", id.vt);
 187             expect_blob(value, metadata_unknown, sizeof(metadata_unknown));
 188
 189             PropVariantClear(&schema);
 190             PropVariantClear(&id);
 191             PropVariantClear(&value);
 192         }
 193
 194         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
 195         ok(hr == S_FALSE, "Next failed, hr=%x\n", hr);
 196         ok(items_returned == 0, "unexpected item count %i\n", items_returned);
 197
 198         IWICEnumMetadataItem_Release(enumerator);
 199     }
 200
 201     hr = IWICMetadataReader_QueryInterface(reader, &IID_IWICMetadataBlockReader, (void**)&blockreader);
 202     todo_wine ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
 203
 204     if (SUCCEEDED(hr))
 205         IWICMetadataBlockReader_Release(blockreader);
 206
 207     IWICMetadataReader_Release(reader);
 208 }
 209
 210 static void test_metadata_tEXt(void)
 211 {
 212     HRESULT hr;
 213     IWICMetadataReader *reader;
 214     IWICEnumMetadataItem *enumerator;
 215     PROPVARIANT schema, id, value;
 216     ULONG items_returned, count;
 217     GUID format;
 218
 219     PropVariantInit(&schema);
 220     PropVariantInit(&id);
 221     PropVariantInit(&value);
 222
 223     hr = CoCreateInstance(&CLSID_WICPngTextMetadataReader, NULL, CLSCTX_INPROC_SERVER,
 224         &IID_IWICMetadataReader, (void**)&reader);
 225     todo_wine ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
 226     if (FAILED(hr)) return;
 227
 228     hr = IWICMetadataReader_GetCount(reader, NULL);
 229     ok(hr == E_INVALIDARG, "GetCount failed, hr=%x\n", hr);
 230
 231     hr = IWICMetadataReader_GetCount(reader, &count);
 232     ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
 233     ok(count == 0, "unexpected count %i\n", count);
 234
 235     load_stream((IUnknown*)reader, metadata_tEXt, sizeof(metadata_tEXt));
 236
 237     hr = IWICMetadataReader_GetCount(reader, &count);
 238     ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
 239     ok(count == 1, "unexpected count %i\n", count);
 240
 241     hr = IWICMetadataReader_GetEnumerator(reader, NULL);
 242     ok(hr == E_INVALIDARG, "GetEnumerator failed, hr=%x\n", hr);
 243
 244     hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
 245     ok(hr == S_OK, "GetEnumerator failed, hr=%x\n", hr);
 246
 247     if (SUCCEEDED(hr))
 248     {
 249         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
 250         ok(hr == S_OK, "Next failed, hr=%x\n", hr);
 251         ok(items_returned == 1, "unexpected item count %i\n", items_returned);
 252
 253         if (hr == S_OK && items_returned == 1)
 254         {
 255             ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
 256             ok(id.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
 257             ok(!strcmp(U(id).pszVal, "winetest"), "unexpected id: %s\n", U(id).pszVal);
 258             ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", value.vt);
 259             ok(!strcmp(U(value).pszVal, "value"), "unexpected value: %s\n", U(value).pszVal);
 260
 261             PropVariantClear(&schema);
 262             PropVariantClear(&id);
 263             PropVariantClear(&value);
 264         }
 265
 266         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
 267         ok(hr == S_FALSE, "Next failed, hr=%x\n", hr);
 268         ok(items_returned == 0, "unexpected item count %i\n", items_returned);
 269
 270         IWICEnumMetadataItem_Release(enumerator);
 271     }
 272
 273     hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
 274     ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
 275     ok(IsEqualGUID(&format, &GUID_MetadataFormatChunktEXt), "unexpected format %s\n", debugstr_guid(&format));
 276
 277     hr = IWICMetadataReader_GetMetadataFormat(reader, NULL);
 278     ok(hr == E_INVALIDARG, "GetMetadataFormat failed, hr=%x\n", hr);
 279
 280     id.vt = VT_LPSTR;
 281     U(id).pszVal = CoTaskMemAlloc(strlen("winetest") + 1);
 282     strcpy(U(id).pszVal, "winetest");
 283
 284     hr = IWICMetadataReader_GetValue(reader, NULL, &id, NULL);
 285     ok(hr == S_OK, "GetValue failed, hr=%x\n", hr);
 286
 287     hr = IWICMetadataReader_GetValue(reader, &schema, NULL, &value);
 288     ok(hr == E_INVALIDARG, "GetValue failed, hr=%x\n", hr);
 289
 290     hr = IWICMetadataReader_GetValue(reader, &schema, &id, &value);
 291     ok(hr == S_OK, "GetValue failed, hr=%x\n", hr);
 292     ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
 293     ok(!strcmp(U(value).pszVal, "value"), "unexpected value: %s\n", U(value).pszVal);
 294     PropVariantClear(&value);
 295
 296     strcpy(U(id).pszVal, "test");
 297
 298     hr = IWICMetadataReader_GetValue(reader, &schema, &id, &value);
 299     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "GetValue failed, hr=%x\n", hr);
 300
 301     PropVariantClear(&id);
 302
 303     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, NULL);
 304     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
 305
 306     hr = IWICMetadataReader_GetValueByIndex(reader, 0, &schema, NULL, NULL);
 307     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
 308     ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
 309
 310     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, &id, NULL);
 311     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
 312     ok(id.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
 313     ok(!strcmp(U(id).pszVal, "winetest"), "unexpected id: %s\n", U(id).pszVal);
 314     PropVariantClear(&id);
 315
 316     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, &value);
 317     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
 318     ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", value.vt);
 319     ok(!strcmp(U(value).pszVal, "value"), "unexpected value: %s\n", U(value).pszVal);
 320     PropVariantClear(&value);
 321
 322     hr = IWICMetadataReader_GetValueByIndex(reader, 1, NULL, NULL, NULL);
 323     ok(hr == E_INVALIDARG, "GetValueByIndex failed, hr=%x\n", hr);
 324
 325     IWICMetadataReader_Release(reader);
 326 }
 327
 328 static void test_metadata_IFD(void)
 329 {
 330     static const struct test_data
 331     {
 332         ULONG type, id;
 333         LONGLONG value;
 334     } td[6] =
 335     {
 336         { VT_UI2, 0xfe, 1 },
 337         { VT_UI4, 0x100, 222 },
 338         { VT_UI4, 0x101, 333 },
 339         { VT_UI2, 0x102, 24 },
 340         { VT_UI4, 0x103, 32773 },
 341         { VT_UI8, 0x11a,  ((LONGLONG)3 << 32) | 900 }
 342     };
 343     HRESULT hr;
 344     IWICMetadataReader *reader;
 345     IWICMetadataBlockReader *blockreader;
 346     IWICEnumMetadataItem *enumerator;
 347     PROPVARIANT schema, id, value;
 348     ULONG items_returned, count, i;
 349     GUID format;
 350
 351     PropVariantInit(&schema);
 352     PropVariantInit(&id);
 353     PropVariantInit(&value);
 354
 355     hr = CoCreateInstance(&CLSID_WICIfdMetadataReader, NULL, CLSCTX_INPROC_SERVER,
 356         &IID_IWICMetadataReader, (void**)&reader);
 357     todo_wine ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
 358     if (FAILED(hr)) return;
 359
 360     hr = IWICMetadataReader_GetCount(reader, NULL);
 361     ok(hr == E_INVALIDARG, "GetCount error %#x\n", hr);
 362
 363     hr = IWICMetadataReader_GetCount(reader, &count);
 364     ok(hr == S_OK, "GetCount error %#x\n", hr);
 365     ok(count == 0, "unexpected count %u\n", count);
 366
 367     load_stream((IUnknown*)reader, (const char *)&IFD_data, sizeof(IFD_data));
 368
 369     hr = IWICMetadataReader_GetCount(reader, &count);
 370     ok(hr == S_OK, "GetCount error %#x\n", hr);
 371     ok(count == 6, "unexpected count %u\n", count);
 372
 373     hr = IWICMetadataReader_GetEnumerator(reader, NULL);
 374     ok(hr == E_INVALIDARG, "GetEnumerator error %#x\n", hr);
 375
 376     hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
 377     ok(hr == S_OK, "GetEnumerator error %#x\n", hr);
 378
 379     for (i = 0; i < count; i++)
 380     {
 381         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
 382         ok(hr == S_OK, "Next error %#x\n", hr);
 383         ok(items_returned == 1, "unexpected item count %u\n", items_returned);
 384
 385         ok(schema.vt == VT_EMPTY, "%u: unexpected vt: %u\n", i, schema.vt);
 386         ok(id.vt == VT_UI2, "%u: unexpected vt: %u\n", i, id.vt);
 387         ok(U(id).uiVal == td[i].id, "%u: unexpected id: %#x\n", i, U(id).uiVal);
 388         ok(value.vt == td[i].type, "%u: unexpected vt: %u\n", i, value.vt);
 389         ok(U(value).uhVal.QuadPart == td[i].value, "%u: unexpected id: %d/%d\n", i, U(value).uhVal.LowPart, U(value).uhVal.HighPart);
 390
 391         PropVariantClear(&schema);
 392         PropVariantClear(&id);
 393         PropVariantClear(&value);
 394     }
 395
 396     hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
 397     ok(hr == S_FALSE, "Next should fail\n");
 398     ok(items_returned == 0, "unexpected item count %u\n", items_returned);
 399
 400     IWICEnumMetadataItem_Release(enumerator);
 401
 402     hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
 403     ok(hr == S_OK, "GetMetadataFormat error %#x\n", hr);
 404     ok(IsEqualGUID(&format, &GUID_MetadataFormatIfd), "unexpected format %s\n", debugstr_guid(&format));
 405
 406     hr = IWICMetadataReader_GetMetadataFormat(reader, NULL);
 407     ok(hr == E_INVALIDARG, "GetMetadataFormat should fail\n");
 408
 409     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, NULL);
 410     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
 411
 412     hr = IWICMetadataReader_GetValueByIndex(reader, count - 1, NULL, NULL, NULL);
 413     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
 414
 415     hr = IWICMetadataReader_GetValueByIndex(reader, 0, &schema, NULL, NULL);
 416     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
 417     ok(schema.vt == VT_EMPTY, "unexpected vt: %u\n", schema.vt);
 418
 419     hr = IWICMetadataReader_GetValueByIndex(reader, count - 1, &schema, NULL, NULL);
 420     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
 421     ok(schema.vt == VT_EMPTY, "unexpected vt: %u\n", schema.vt);
 422
 423     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, &id, NULL);
 424     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
 425     ok(id.vt == VT_UI2, "unexpected vt: %u\n", id.vt);
 426     ok(U(id).uiVal == 0xfe, "unexpected id: %#x\n", U(id).uiVal);
 427     PropVariantClear(&id);
 428
 429     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, &value);
 430     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
 431     ok(value.vt == VT_UI2, "unexpected vt: %u\n", value.vt);
 432     ok(U(value).ulVal == 1, "unexpected id: %u\n", U(value).ulVal);
 433     PropVariantClear(&value);
 434
 435     hr = IWICMetadataReader_GetValueByIndex(reader, count, &schema, NULL, NULL);
 436     ok(hr == E_INVALIDARG, "GetValueByIndex should fail\n");
 437
 438     hr = IWICMetadataReader_QueryInterface(reader, &IID_IWICMetadataBlockReader, (void**)&blockreader);
 439     ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
 440
 441     if (SUCCEEDED(hr))
 442         IWICMetadataBlockReader_Release(blockreader);
 443
 444     IWICMetadataReader_Release(reader);
 445 }
 446
 447 static void test_metadata_Exif(void)
 448 {
 449     HRESULT hr;
 450     IWICMetadataReader *reader;
 451     IWICMetadataBlockReader *blockreader;
 452     UINT count=0;
 453
 454     hr = CoCreateInstance(&CLSID_WICExifMetadataReader, NULL, CLSCTX_INPROC_SERVER,
 455         &IID_IWICMetadataReader, (void**)&reader);
 456     todo_wine ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
 457     if (FAILED(hr)) return;
 458
 459     hr = IWICMetadataReader_GetCount(reader, NULL);
 460     ok(hr == E_INVALIDARG, "GetCount error %#x\n", hr);
 461
 462     hr = IWICMetadataReader_GetCount(reader, &count);
 463     ok(hr == S_OK, "GetCount error %#x\n", hr);
 464     ok(count == 0, "unexpected count %u\n", count);
 465
 466     hr = IWICMetadataReader_QueryInterface(reader, &IID_IWICMetadataBlockReader, (void**)&blockreader);
 467     ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
 468
 469     if (SUCCEEDED(hr))
 470         IWICMetadataBlockReader_Release(blockreader);
 471
 472     IWICMetadataReader_Release(reader);
 473 }
 474
 475 static void test_create_reader(void)
 476 {
 477     HRESULT hr;
 478     IWICComponentFactory *factory;
 479     IStream *stream;
 480     IWICMetadataReader *reader;
 481     UINT count=0;
 482     GUID format;
 483
 484     hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
 485         &IID_IWICComponentFactory, (void**)&factory);
 486     ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
 487
 488     stream = create_stream(metadata_tEXt, sizeof(metadata_tEXt));
 489
 490     hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
 491         &GUID_ContainerFormatPng, NULL, WICPersistOptionsDefault,
 492         stream, &reader);
 493 todo_wine
 494     ok(hr == S_OK, "CreateMetadataReaderFromContainer failed, hr=%x\n", hr);
 495     if (FAILED(hr)) return;
 496
 497     if (SUCCEEDED(hr))
 498     {
 499         hr = IWICMetadataReader_GetCount(reader, &count);
 500         ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
 501         ok(count == 1, "unexpected count %i\n", count);
 502
 503         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
 504         ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
 505         ok(IsEqualGUID(&format, &GUID_MetadataFormatChunktEXt), "unexpected format %s\n", debugstr_guid(&format));
 506
 507         IWICMetadataReader_Release(reader);
 508     }
 509
 510     hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
 511         &GUID_ContainerFormatWmp, NULL, WICPersistOptionsDefault,
 512         stream, &reader);
 513     ok(hr == S_OK, "CreateMetadataReaderFromContainer failed, hr=%x\n", hr);
 514
 515     if (SUCCEEDED(hr))
 516     {
 517         hr = IWICMetadataReader_GetCount(reader, &count);
 518         ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
 519         ok(count == 1, "unexpected count %i\n", count);
 520
 521         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
 522         ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
 523         ok(IsEqualGUID(&format, &GUID_MetadataFormatUnknown), "unexpected format %s\n", debugstr_guid(&format));
 524
 525         IWICMetadataReader_Release(reader);
 526     }
 527
 528     IStream_Release(stream);
 529
 530     IWICComponentFactory_Release(factory);
 531 }
 532
 533 START_TEST(metadata)
 534 {
 535     CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
 536
 537     test_metadata_unknown();
 538     test_metadata_tEXt();
 539     test_metadata_IFD();
 540     test_metadata_Exif();
 541     test_create_reader();
 542
 543     CoUninitialize();
 544 }