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 pngimage[285] = {
  95 0x89,0x50,0x4e,0x47,0x0d,0x0a,0x1a,0x0a,0x00,0x00,0x00,0x0d,0x49,0x48,0x44,0x52,
  96 0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x08,0x02,0x00,0x00,0x00,0x90,0x77,0x53,
  97 0xde,0x00,0x00,0x00,0x09,0x70,0x48,0x59,0x73,0x00,0x00,0x0b,0x13,0x00,0x00,0x0b,
  98 0x13,0x01,0x00,0x9a,0x9c,0x18,0x00,0x00,0x00,0x07,0x74,0x49,0x4d,0x45,0x07,0xd5,
  99 0x06,0x03,0x0f,0x07,0x2d,0x12,0x10,0xf0,0xfd,0x00,0x00,0x00,0x0c,0x49,0x44,0x41,
 100 0x54,0x08,0xd7,0x63,0xf8,0xff,0xff,0x3f,0x00,0x05,0xfe,0x02,0xfe,0xdc,0xcc,0x59,
 101 0xe7,0x00,0x00,0x00,0x00,0x49,0x45,0x4e,0x44,0xae,0x42,0x60,0x82
 102 };
 103
 104 static const char *debugstr_guid(REFIID riid)
 105 {
 106     static char buf[50];
 107
 108     if(!riid)
 109         return "(null)";
 110
 111     sprintf(buf, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
 112             riid->Data1, riid->Data2, riid->Data3, riid->Data4[0],
 113             riid->Data4[1], riid->Data4[2], riid->Data4[3], riid->Data4[4],
 114             riid->Data4[5], riid->Data4[6], riid->Data4[7]);
 115
 116     return buf;
 117 }
 118
 119 static IStream *create_stream(const char *data, int data_size)
 120 {
 121     HRESULT hr;
 122     IStream *stream;
 123     HGLOBAL hdata;
 124     void *locked_data;
 125
 126     hdata = GlobalAlloc(GMEM_MOVEABLE, data_size);
 127     ok(hdata != 0, "GlobalAlloc failed\n");
 128     if (!hdata) return NULL;
 129
 130     locked_data = GlobalLock(hdata);
 131     memcpy(locked_data, data, data_size);
 132     GlobalUnlock(hdata);
 133
 134     hr = CreateStreamOnHGlobal(hdata, TRUE, &stream);
 135     ok(hr == S_OK, "CreateStreamOnHGlobal failed, hr=%x\n", hr);
 136
 137     return stream;
 138 }
 139
 140 static void load_stream(IUnknown *reader, const char *data, int data_size)
 141 {
 142     HRESULT hr;
 143     IWICPersistStream *persist;
 144     IStream *stream;
 145     LARGE_INTEGER pos;
 146     ULARGE_INTEGER cur_pos;
 147
 148     stream = create_stream(data, data_size);
 149     if (!stream)
 150         return;
 151
 152     hr = IUnknown_QueryInterface(reader, &IID_IWICPersistStream, (void**)&persist);
 153     ok(hr == S_OK, "QueryInterface failed, hr=%x\n", hr);
 154
 155     if (SUCCEEDED(hr))
 156     {
 157         hr = IWICPersistStream_LoadEx(persist, stream, NULL, WICPersistOptionsDefault);
 158         ok(hr == S_OK, "LoadEx failed, hr=%x\n", hr);
 159
 160         IWICPersistStream_Release(persist);
 161     }
 162
 163     pos.QuadPart = 0;
 164     hr = IStream_Seek(stream, pos, SEEK_CUR, &cur_pos);
 165     ok(hr == S_OK, "IStream_Seek error %#x\n", hr);
 166     /* IFD metadata reader doesn't rewind the stream to the start */
 167     ok(cur_pos.QuadPart == 0 || cur_pos.QuadPart <= data_size,
 168        "current stream pos is at %x/%x, data size %x\n", cur_pos.u.LowPart, cur_pos.u.HighPart, data_size);
 169
 170     IStream_Release(stream);
 171 }
 172
 173 static void test_metadata_unknown(void)
 174 {
 175     HRESULT hr;
 176     IWICMetadataReader *reader;
 177     IWICEnumMetadataItem *enumerator;
 178     IWICMetadataBlockReader *blockreader;
 179     PROPVARIANT schema, id, value;
 180     ULONG items_returned;
 181
 182     hr = CoCreateInstance(&CLSID_WICUnknownMetadataReader, NULL, CLSCTX_INPROC_SERVER,
 183         &IID_IWICMetadataReader, (void**)&reader);
 184     ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
 185     if (FAILED(hr)) return;
 186
 187     load_stream((IUnknown*)reader, metadata_unknown, sizeof(metadata_unknown));
 188
 189     hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
 190     ok(hr == S_OK, "GetEnumerator failed, hr=%x\n", hr);
 191
 192     if (SUCCEEDED(hr))
 193     {
 194         PropVariantInit(&schema);
 195         PropVariantInit(&id);
 196         PropVariantInit(&value);
 197
 198         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
 199         ok(hr == S_OK, "Next failed, hr=%x\n", hr);
 200         ok(items_returned == 1, "unexpected item count %i\n", items_returned);
 201
 202         if (hr == S_OK && items_returned == 1)
 203         {
 204             ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
 205             ok(id.vt == VT_EMPTY, "unexpected vt: %i\n", id.vt);
 206             expect_blob(value, metadata_unknown, sizeof(metadata_unknown));
 207
 208             PropVariantClear(&schema);
 209             PropVariantClear(&id);
 210             PropVariantClear(&value);
 211         }
 212
 213         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
 214         ok(hr == S_FALSE, "Next failed, hr=%x\n", hr);
 215         ok(items_returned == 0, "unexpected item count %i\n", items_returned);
 216
 217         IWICEnumMetadataItem_Release(enumerator);
 218     }
 219
 220     hr = IWICMetadataReader_QueryInterface(reader, &IID_IWICMetadataBlockReader, (void**)&blockreader);
 221     ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
 222
 223     if (SUCCEEDED(hr))
 224         IWICMetadataBlockReader_Release(blockreader);
 225
 226     IWICMetadataReader_Release(reader);
 227 }
 228
 229 static void test_metadata_tEXt(void)
 230 {
 231     HRESULT hr;
 232     IWICMetadataReader *reader;
 233     IWICEnumMetadataItem *enumerator;
 234     PROPVARIANT schema, id, value;
 235     ULONG items_returned, count;
 236     GUID format;
 237
 238     PropVariantInit(&schema);
 239     PropVariantInit(&id);
 240     PropVariantInit(&value);
 241
 242     hr = CoCreateInstance(&CLSID_WICPngTextMetadataReader, NULL, CLSCTX_INPROC_SERVER,
 243         &IID_IWICMetadataReader, (void**)&reader);
 244     todo_wine ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
 245     if (FAILED(hr)) return;
 246
 247     hr = IWICMetadataReader_GetCount(reader, NULL);
 248     ok(hr == E_INVALIDARG, "GetCount failed, hr=%x\n", hr);
 249
 250     hr = IWICMetadataReader_GetCount(reader, &count);
 251     ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
 252     ok(count == 0, "unexpected count %i\n", count);
 253
 254     load_stream((IUnknown*)reader, metadata_tEXt, sizeof(metadata_tEXt));
 255
 256     hr = IWICMetadataReader_GetCount(reader, &count);
 257     ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
 258     ok(count == 1, "unexpected count %i\n", count);
 259
 260     hr = IWICMetadataReader_GetEnumerator(reader, NULL);
 261     ok(hr == E_INVALIDARG, "GetEnumerator failed, hr=%x\n", hr);
 262
 263     hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
 264     ok(hr == S_OK, "GetEnumerator failed, hr=%x\n", hr);
 265
 266     if (SUCCEEDED(hr))
 267     {
 268         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
 269         ok(hr == S_OK, "Next failed, hr=%x\n", hr);
 270         ok(items_returned == 1, "unexpected item count %i\n", items_returned);
 271
 272         if (hr == S_OK && items_returned == 1)
 273         {
 274             ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
 275             ok(id.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
 276             ok(!strcmp(U(id).pszVal, "winetest"), "unexpected id: %s\n", U(id).pszVal);
 277             ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", value.vt);
 278             ok(!strcmp(U(value).pszVal, "value"), "unexpected value: %s\n", U(value).pszVal);
 279
 280             PropVariantClear(&schema);
 281             PropVariantClear(&id);
 282             PropVariantClear(&value);
 283         }
 284
 285         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
 286         ok(hr == S_FALSE, "Next failed, hr=%x\n", hr);
 287         ok(items_returned == 0, "unexpected item count %i\n", items_returned);
 288
 289         IWICEnumMetadataItem_Release(enumerator);
 290     }
 291
 292     hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
 293     ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
 294     ok(IsEqualGUID(&format, &GUID_MetadataFormatChunktEXt), "unexpected format %s\n", debugstr_guid(&format));
 295
 296     hr = IWICMetadataReader_GetMetadataFormat(reader, NULL);
 297     ok(hr == E_INVALIDARG, "GetMetadataFormat failed, hr=%x\n", hr);
 298
 299     id.vt = VT_LPSTR;
 300     U(id).pszVal = CoTaskMemAlloc(strlen("winetest") + 1);
 301     strcpy(U(id).pszVal, "winetest");
 302
 303     hr = IWICMetadataReader_GetValue(reader, NULL, &id, NULL);
 304     ok(hr == S_OK, "GetValue failed, hr=%x\n", hr);
 305
 306     hr = IWICMetadataReader_GetValue(reader, &schema, NULL, &value);
 307     ok(hr == E_INVALIDARG, "GetValue failed, hr=%x\n", hr);
 308
 309     hr = IWICMetadataReader_GetValue(reader, &schema, &id, &value);
 310     ok(hr == S_OK, "GetValue failed, hr=%x\n", hr);
 311     ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
 312     ok(!strcmp(U(value).pszVal, "value"), "unexpected value: %s\n", U(value).pszVal);
 313     PropVariantClear(&value);
 314
 315     strcpy(U(id).pszVal, "test");
 316
 317     hr = IWICMetadataReader_GetValue(reader, &schema, &id, &value);
 318     ok(hr == WINCODEC_ERR_PROPERTYNOTFOUND, "GetValue failed, hr=%x\n", hr);
 319
 320     PropVariantClear(&id);
 321
 322     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, NULL);
 323     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
 324
 325     hr = IWICMetadataReader_GetValueByIndex(reader, 0, &schema, NULL, NULL);
 326     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
 327     ok(schema.vt == VT_EMPTY, "unexpected vt: %i\n", schema.vt);
 328
 329     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, &id, NULL);
 330     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
 331     ok(id.vt == VT_LPSTR, "unexpected vt: %i\n", id.vt);
 332     ok(!strcmp(U(id).pszVal, "winetest"), "unexpected id: %s\n", U(id).pszVal);
 333     PropVariantClear(&id);
 334
 335     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, &value);
 336     ok(hr == S_OK, "GetValueByIndex failed, hr=%x\n", hr);
 337     ok(value.vt == VT_LPSTR, "unexpected vt: %i\n", value.vt);
 338     ok(!strcmp(U(value).pszVal, "value"), "unexpected value: %s\n", U(value).pszVal);
 339     PropVariantClear(&value);
 340
 341     hr = IWICMetadataReader_GetValueByIndex(reader, 1, NULL, NULL, NULL);
 342     ok(hr == E_INVALIDARG, "GetValueByIndex failed, hr=%x\n", hr);
 343
 344     IWICMetadataReader_Release(reader);
 345 }
 346
 347 static void test_metadata_IFD(void)
 348 {
 349     static const struct test_data
 350     {
 351         ULONG type, id;
 352         LONGLONG value;
 353     } td[6] =
 354     {
 355         { VT_UI2, 0xfe, 1 },
 356         { VT_UI4, 0x100, 222 },
 357         { VT_UI4, 0x101, 333 },
 358         { VT_UI2, 0x102, 24 },
 359         { VT_UI4, 0x103, 32773 },
 360         { VT_UI8, 0x11a,  ((LONGLONG)3 << 32) | 900 }
 361     };
 362     HRESULT hr;
 363     IWICMetadataReader *reader;
 364     IWICMetadataBlockReader *blockreader;
 365     IWICEnumMetadataItem *enumerator;
 366     PROPVARIANT schema, id, value;
 367     ULONG items_returned, count, i;
 368     GUID format;
 369
 370     PropVariantInit(&schema);
 371     PropVariantInit(&id);
 372     PropVariantInit(&value);
 373
 374     hr = CoCreateInstance(&CLSID_WICIfdMetadataReader, NULL, CLSCTX_INPROC_SERVER,
 375         &IID_IWICMetadataReader, (void**)&reader);
 376     ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
 377
 378     hr = IWICMetadataReader_GetCount(reader, NULL);
 379     ok(hr == E_INVALIDARG, "GetCount error %#x\n", hr);
 380
 381     hr = IWICMetadataReader_GetCount(reader, &count);
 382     ok(hr == S_OK, "GetCount error %#x\n", hr);
 383     ok(count == 0, "unexpected count %u\n", count);
 384
 385     load_stream((IUnknown*)reader, (const char *)&IFD_data, sizeof(IFD_data));
 386
 387     hr = IWICMetadataReader_GetCount(reader, &count);
 388     ok(hr == S_OK, "GetCount error %#x\n", hr);
 389 todo_wine
 390     ok(count == 6, "unexpected count %u\n", count);
 391
 392     hr = IWICMetadataReader_GetEnumerator(reader, NULL);
 393     ok(hr == E_INVALIDARG, "GetEnumerator error %#x\n", hr);
 394
 395     hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
 396     ok(hr == S_OK, "GetEnumerator error %#x\n", hr);
 397
 398     for (i = 0; i < count; i++)
 399     {
 400         hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
 401         ok(hr == S_OK, "Next error %#x\n", hr);
 402         ok(items_returned == 1, "unexpected item count %u\n", items_returned);
 403
 404         ok(schema.vt == VT_EMPTY, "%u: unexpected vt: %u\n", i, schema.vt);
 405         ok(id.vt == VT_UI2, "%u: unexpected vt: %u\n", i, id.vt);
 406         ok(U(id).uiVal == td[i].id, "%u: unexpected id: %#x\n", i, U(id).uiVal);
 407         ok(value.vt == td[i].type, "%u: unexpected vt: %u\n", i, value.vt);
 408         ok(U(value).uhVal.QuadPart == td[i].value, "%u: unexpected id: %d/%d\n", i, U(value).uhVal.u.LowPart, U(value).uhVal.u.HighPart);
 409
 410         PropVariantClear(&schema);
 411         PropVariantClear(&id);
 412         PropVariantClear(&value);
 413     }
 414
 415     hr = IWICEnumMetadataItem_Next(enumerator, 1, &schema, &id, &value, &items_returned);
 416     ok(hr == S_FALSE, "Next should fail\n");
 417     ok(items_returned == 0, "unexpected item count %u\n", items_returned);
 418
 419     IWICEnumMetadataItem_Release(enumerator);
 420
 421     hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
 422 todo_wine
 423     ok(hr == S_OK, "GetMetadataFormat error %#x\n", hr);
 424 todo_wine
 425     ok(IsEqualGUID(&format, &GUID_MetadataFormatIfd), "unexpected format %s\n", debugstr_guid(&format));
 426
 427     hr = IWICMetadataReader_GetMetadataFormat(reader, NULL);
 428     ok(hr == E_INVALIDARG, "GetMetadataFormat should fail\n");
 429
 430     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, NULL);
 431 todo_wine
 432     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
 433     if (FAILED(hr))
 434     {
 435         IWICMetadataReader_Release(reader);
 436         return;
 437     }
 438
 439     hr = IWICMetadataReader_GetValueByIndex(reader, count - 1, NULL, NULL, NULL);
 440     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
 441
 442     hr = IWICMetadataReader_GetValueByIndex(reader, 0, &schema, NULL, NULL);
 443     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
 444     ok(schema.vt == VT_EMPTY, "unexpected vt: %u\n", schema.vt);
 445
 446     hr = IWICMetadataReader_GetValueByIndex(reader, count - 1, &schema, NULL, NULL);
 447     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
 448     ok(schema.vt == VT_EMPTY, "unexpected vt: %u\n", schema.vt);
 449
 450     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, &id, NULL);
 451     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
 452     ok(id.vt == VT_UI2, "unexpected vt: %u\n", id.vt);
 453     ok(U(id).uiVal == 0xfe, "unexpected id: %#x\n", U(id).uiVal);
 454     PropVariantClear(&id);
 455
 456     hr = IWICMetadataReader_GetValueByIndex(reader, 0, NULL, NULL, &value);
 457     ok(hr == S_OK, "GetValueByIndex error %#x\n", hr);
 458     ok(value.vt == VT_UI2, "unexpected vt: %u\n", value.vt);
 459     ok(U(value).ulVal == 1, "unexpected id: %u\n", U(value).ulVal);
 460     PropVariantClear(&value);
 461
 462     hr = IWICMetadataReader_GetValueByIndex(reader, count, &schema, NULL, NULL);
 463     ok(hr == E_INVALIDARG, "GetValueByIndex should fail\n");
 464
 465     hr = IWICMetadataReader_QueryInterface(reader, &IID_IWICMetadataBlockReader, (void**)&blockreader);
 466     ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
 467
 468     if (SUCCEEDED(hr))
 469         IWICMetadataBlockReader_Release(blockreader);
 470
 471     IWICMetadataReader_Release(reader);
 472 }
 473
 474 static void test_metadata_Exif(void)
 475 {
 476     HRESULT hr;
 477     IWICMetadataReader *reader;
 478     IWICMetadataBlockReader *blockreader;
 479     UINT count=0;
 480
 481     hr = CoCreateInstance(&CLSID_WICExifMetadataReader, NULL, CLSCTX_INPROC_SERVER,
 482         &IID_IWICMetadataReader, (void**)&reader);
 483     todo_wine ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
 484     if (FAILED(hr)) return;
 485
 486     hr = IWICMetadataReader_GetCount(reader, NULL);
 487     ok(hr == E_INVALIDARG, "GetCount error %#x\n", hr);
 488
 489     hr = IWICMetadataReader_GetCount(reader, &count);
 490     ok(hr == S_OK, "GetCount error %#x\n", hr);
 491     ok(count == 0, "unexpected count %u\n", count);
 492
 493     hr = IWICMetadataReader_QueryInterface(reader, &IID_IWICMetadataBlockReader, (void**)&blockreader);
 494     ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
 495
 496     if (SUCCEEDED(hr))
 497         IWICMetadataBlockReader_Release(blockreader);
 498
 499     IWICMetadataReader_Release(reader);
 500 }
 501
 502 static void test_create_reader(void)
 503 {
 504     HRESULT hr;
 505     IWICComponentFactory *factory;
 506     IStream *stream;
 507     IWICMetadataReader *reader;
 508     UINT count=0;
 509     GUID format;
 510
 511     hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
 512         &IID_IWICComponentFactory, (void**)&factory);
 513     ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
 514
 515     stream = create_stream(metadata_tEXt, sizeof(metadata_tEXt));
 516
 517     hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
 518         &GUID_ContainerFormatPng, NULL, WICPersistOptionsDefault,
 519         stream, &reader);
 520 todo_wine
 521     ok(hr == S_OK, "CreateMetadataReaderFromContainer failed, hr=%x\n", hr);
 522     if (FAILED(hr)) return;
 523
 524     if (SUCCEEDED(hr))
 525     {
 526         hr = IWICMetadataReader_GetCount(reader, &count);
 527         ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
 528         ok(count == 1, "unexpected count %i\n", count);
 529
 530         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
 531         ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
 532         ok(IsEqualGUID(&format, &GUID_MetadataFormatChunktEXt), "unexpected format %s\n", debugstr_guid(&format));
 533
 534         IWICMetadataReader_Release(reader);
 535     }
 536
 537     hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
 538         &GUID_ContainerFormatWmp, NULL, WICPersistOptionsDefault,
 539         stream, &reader);
 540     ok(hr == S_OK, "CreateMetadataReaderFromContainer failed, hr=%x\n", hr);
 541
 542     if (SUCCEEDED(hr))
 543     {
 544         hr = IWICMetadataReader_GetCount(reader, &count);
 545         ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
 546         ok(count == 1, "unexpected count %i\n", count);
 547
 548         hr = IWICMetadataReader_GetMetadataFormat(reader, &format);
 549         ok(hr == S_OK, "GetMetadataFormat failed, hr=%x\n", hr);
 550         ok(IsEqualGUID(&format, &GUID_MetadataFormatUnknown), "unexpected format %s\n", debugstr_guid(&format));
 551
 552         IWICMetadataReader_Release(reader);
 553     }
 554
 555     IStream_Release(stream);
 556
 557     IWICComponentFactory_Release(factory);
 558 }
 559
 560 static void test_metadata_png(void)
 561 {
 562     IStream *stream;
 563     IWICBitmapDecoder *decoder;
 564     IWICBitmapFrameDecode *frame;
 565     IWICMetadataBlockReader *blockreader;
 566     IWICMetadataReader *reader;
 567     GUID containerformat;
 568     HRESULT hr;
 569     UINT count;
 570
 571     hr = CoCreateInstance(&CLSID_WICPngDecoder, NULL, CLSCTX_INPROC_SERVER,
 572         &IID_IWICBitmapDecoder, (void**)&decoder);
 573     ok(hr == S_OK, "CoCreateInstance failed, hr=%x\n", hr);
 574
 575     if (FAILED(hr)) return;
 576
 577     stream = create_stream(pngimage, sizeof(pngimage));
 578
 579     hr = IWICBitmapDecoder_Initialize(decoder, stream, WICDecodeMetadataCacheOnLoad);
 580     ok(hr == S_OK, "Initialize failed, hr=%x\n", hr);
 581
 582     hr = IWICBitmapDecoder_QueryInterface(decoder, &IID_IWICMetadataBlockReader, (void**)&blockreader);
 583     ok(hr == E_NOINTERFACE, "QueryInterface failed, hr=%x\n", hr);
 584
 585     hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
 586     ok(hr == S_OK, "GetFrame failed, hr=%x\n", hr);
 587
 588     hr = IWICBitmapFrameDecode_QueryInterface(frame, &IID_IWICMetadataBlockReader, (void**)&blockreader);
 589     ok(hr == S_OK, "QueryInterface failed, hr=%x\n", hr);
 590
 591     if (SUCCEEDED(hr))
 592     {
 593         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, NULL);
 594         ok(hr == E_INVALIDARG, "GetContainerFormat failed, hr=%x\n", hr);
 595
 596         hr = IWICMetadataBlockReader_GetContainerFormat(blockreader, &containerformat);
 597         ok(hr == S_OK, "GetContainerFormat failed, hr=%x\n", hr);
 598         ok(IsEqualGUID(&containerformat, &GUID_ContainerFormatPng), "unexpected container format\n");
 599
 600         hr = IWICMetadataBlockReader_GetCount(blockreader, NULL);
 601         todo_wine ok(hr == E_INVALIDARG, "GetCount failed, hr=%x\n", hr);
 602
 603         hr = IWICMetadataBlockReader_GetCount(blockreader, &count);
 604         todo_wine ok(hr == S_OK, "GetCount failed, hr=%x\n", hr);
 605         todo_wine ok(count == 1, "unexpected count %d\n", count);
 606
 607         if (0)
 608         {
 609             /* Crashes on Windows XP */
 610             hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 0, NULL);
 611             ok(hr == E_INVALIDARG, "GetReaderByIndex failed, hr=%x\n", hr);
 612         }
 613
 614         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 0, &reader);
 615         todo_wine ok(hr == S_OK, "GetReaderByIndex failed, hr=%x\n", hr);
 616
 617         if (SUCCEEDED(hr))
 618         {
 619             hr = IWICMetadataReader_GetMetadataFormat(reader, &containerformat);
 620             ok(IsEqualGUID(&containerformat, &GUID_MetadataFormatChunktIME) ||
 621                broken(IsEqualGUID(&containerformat, &GUID_MetadataFormatUnknown)) /* Windows XP */,
 622                "unexpected container format\n");
 623
 624             IWICMetadataReader_Release(reader);
 625         }
 626
 627         hr = IWICMetadataBlockReader_GetReaderByIndex(blockreader, 1, &reader);
 628         todo_wine ok(hr == WINCODEC_ERR_VALUEOUTOFRANGE, "GetReaderByIndex failed, hr=%x\n", hr);
 629
 630         IWICMetadataBlockReader_Release(blockreader);
 631     }
 632
 633     IWICBitmapFrameDecode_Release(frame);
 634
 635     IWICBitmapDecoder_Release(decoder);
 636
 637     IWICStream_Release(stream);
 638 }
 639
 640 START_TEST(metadata)
 641 {
 642     CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
 643
 644     test_metadata_unknown();
 645     test_metadata_tEXt();
 646     test_metadata_IFD();
 647     test_metadata_Exif();
 648     test_create_reader();
 649     test_metadata_png();
 650
 651     CoUninitialize();
 652 }