tests/streams/zlibstream.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/streams/zlibstream.cpp
   3 // Purpose:     Test wxZlibInputStream/wxZlibOutputStream
   4 // Author:      Hans Van Leemputten
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 2004 Hans Van Leemputten
   7 // Licence:     wxWidgets licence
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 #if defined(__GNUG__) && !defined(__APPLE__)
  11     #pragma implementation
  12     #pragma interface
  13 #endif
  14
  15 // For compilers that support precompilation, includes "wx/wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19     #pragma hdrstop
  20 #endif
  21
  22 // for all others, include the necessary headers
  23 #ifndef WX_PRECOMP
  24     #include "wx/wx.h"
  25 #endif
  26
  27 #include "wx/cppunit.h"
  28 #include "wx/zstream.h"
  29 #include "wx/wfstream.h"
  30 #include "wx/mstream.h"
  31
  32 #include "wx/txtstrm.h"
  33
  34 #include "bstream.h"
  35
  36 using namespace std;
  37 using namespace CppUnit;
  38
  39 #define WXTEST_WITH_GZIP_CONDITION(testMethod) \
  40     WXTEST_WITH_CONDITION( COMPOSE_TEST_NAME(zlibStream), wxZlibInputStream::CanHandleGZip() && wxZlibOutputStream::CanHandleGZip(), testMethod )
  41
  42 #define DATABUFFER_SIZE 1024
  43
  44 static const wxString FILENAME_GZ = _T("zlibtest.gz");
  45
  46 ///////////////////////////////////////////////////////////////////////////////
  47 // The test case
  48 //
  49 // Try to fully test wxZlibInputStream and wxZlibOutputStream
  50
  51 class zlibStream : public BaseStreamTestCase<wxZlibInputStream, wxZlibOutputStream>
  52 {
  53 public:
  54     zlibStream();
  55     virtual ~zlibStream();
  56
  57     CPPUNIT_TEST_SUITE(zlibStream);
  58         // Base class stream tests the zlibstream supports.
  59         CPPUNIT_TEST_FAIL(Input_GetSize);
  60         CPPUNIT_TEST(Input_GetC);
  61         CPPUNIT_TEST(Input_Read);
  62         CPPUNIT_TEST(Input_Eof);
  63         CPPUNIT_TEST(Input_LastRead);
  64         CPPUNIT_TEST_FAIL(Input_SeekI);
  65         CPPUNIT_TEST(Input_TellI);
  66         CPPUNIT_TEST(Input_Peek);
  67         CPPUNIT_TEST(Input_Ungetch);
  68
  69         CPPUNIT_TEST(Output_PutC);
  70         CPPUNIT_TEST(Output_Write);
  71         CPPUNIT_TEST(Output_LastWrite);
  72         CPPUNIT_TEST_FAIL(Output_SeekO);
  73         CPPUNIT_TEST(Output_TellO);
  74
  75         // Other test specific for zlib stream test case.
  76         CPPUNIT_TEST(TestStream_NoHeader_Default);
  77         CPPUNIT_TEST(TestStream_NoHeader_NoComp);
  78         CPPUNIT_TEST(TestStream_NoHeader_SpeedComp);
  79         CPPUNIT_TEST(TestStream_NoHeader_BestComp);
  80         CPPUNIT_TEST(TestStream_ZLib_Default);
  81         CPPUNIT_TEST(TestStream_ZLib_NoComp);
  82         CPPUNIT_TEST(TestStream_ZLib_SpeedComp);
  83         CPPUNIT_TEST(TestStream_ZLib_BestComp);
  84         WXTEST_WITH_GZIP_CONDITION(TestStream_GZip_Default);
  85         WXTEST_WITH_GZIP_CONDITION(TestStream_GZip_NoComp);
  86         WXTEST_WITH_GZIP_CONDITION(TestStream_GZip_SpeedComp);
  87         WXTEST_WITH_GZIP_CONDITION(TestStream_GZip_BestComp);
  88         WXTEST_WITH_GZIP_CONDITION(TestStream_ZLibGZip);
  89         CPPUNIT_TEST(Decompress_BadData);
  90         CPPUNIT_TEST(Decompress_wx24Data);
  91         CPPUNIT_TEST(Decompress_wx251_zlib114_Data_NoHeader);
  92         CPPUNIT_TEST(Decompress_wx251_zlib114_Data_ZLib);
  93         WXTEST_WITH_GZIP_CONDITION(Decompress_gzip135Data);
  94     CPPUNIT_TEST_SUITE_END();
  95
  96 protected:
  97     // Test different stream construct settings.
  98     void TestStream_NoHeader_Default();
  99     void TestStream_NoHeader_NoComp();
 100     void TestStream_NoHeader_SpeedComp();
 101     void TestStream_NoHeader_BestComp();
 102     void TestStream_ZLib_Default();
 103     void TestStream_ZLib_NoComp();
 104     void TestStream_ZLib_SpeedComp();
 105     void TestStream_ZLib_BestComp();
 106     void TestStream_GZip_Default();
 107     void TestStream_GZip_NoComp();
 108     void TestStream_GZip_SpeedComp();
 109     void TestStream_GZip_BestComp();
 110     void TestStream_ZLibGZip();
 111     // Try to decompress bad data.
 112     void Decompress_BadData();
 113     // Decompress data that was compress by an external app.
 114     // (like test wx 2.4.2, 2.5.1 and gzip data)
 115     // Note: This test is limited in testing range!
 116     void Decompress_wx24Data();
 117     void Decompress_wx251_zlib114_Data_NoHeader();
 118     void Decompress_wx251_zlib114_Data_ZLib();
 119     void Decompress_gzip135Data();
 120
 121 private:
 122     const char *GetDataBuffer();
 123     const unsigned char *GetCompressedData();
 124     void doTestStreamData(int input_flag, int output_flag, int compress_level);
 125     void doDecompress_ExternalData(const unsigned char *data, const char *value, size_t data_size, size_t value_size, int flag = wxZLIB_AUTO);
 126
 127 private:
 128     // Implement base class functions.
 129     virtual wxZlibInputStream  *DoCreateInStream();
 130     virtual wxZlibOutputStream *DoCreateOutStream();
 131     virtual void DoDeleteInStream();
 132     virtual void DoDeleteOutStream();
 133
 134     // Helper that can be used to create new wx compatibility tests...
 135     // Otherwise not used by the tests.
 136     void genExtTestData(wxTextOutputStream &out, const char *buf, int flag);
 137
 138 private:
 139     char            m_DataBuffer[DATABUFFER_SIZE];
 140     size_t          m_SizeCompressedData;
 141     unsigned char  *m_pCompressedData;
 142
 143     // Used by the base Creat[In|Out]Stream and Delete[In|Out]Stream.
 144     wxMemoryInputStream  *m_pTmpMemInStream;
 145     wxMemoryOutputStream *m_pTmpMemOutStream;
 146 };
 147
 148 zlibStream::zlibStream()
 149     :m_SizeCompressedData(0),
 150      m_pCompressedData(NULL),
 151      m_pTmpMemInStream(NULL),
 152      m_pTmpMemOutStream(NULL)
 153 {
 154     // Init the data buffer.
 155     for (size_t i = 0; i < DATABUFFER_SIZE; i++)
 156         m_DataBuffer[i] = (i % 0xFF);
 157
 158     // Set extra base config settings.
 159     m_bSimpleTellITest = true;
 160     m_bSimpleTellOTest = true;
 161
 162 /* Example code on how to produce test data...
 163     {
 164         wxFFileOutputStream fstream_out(_T("gentest.cpp"));
 165         wxTextOutputStream out( fstream_out );
 166
 167         genExtTestData(out, "zlib data created with wxWidgets 2.5.x [March 27], wxZLIB_NO_HEADER, zlib 1.1.4", wxZLIB_NO_HEADER);
 168         genExtTestData(out, "zlib data created with wxWidgets 2.5.x [March 27], wxZLIB_ZLIB, zlib 1.1.4", wxZLIB_ZLIB);
 169     }
 170 */
 171 }
 172
 173 zlibStream::~zlibStream()
 174 {
 175     delete m_pCompressedData;
 176
 177     delete m_pTmpMemInStream;
 178     delete m_pTmpMemOutStream;
 179 }
 180
 181 void zlibStream::TestStream_NoHeader_Default()
 182 {
 183     doTestStreamData(wxZLIB_NO_HEADER, wxZLIB_NO_HEADER, wxZ_DEFAULT_COMPRESSION);
 184 }
 185 void zlibStream::TestStream_NoHeader_NoComp()
 186 {
 187     doTestStreamData(wxZLIB_NO_HEADER, wxZLIB_NO_HEADER, wxZ_NO_COMPRESSION);
 188 }
 189 void zlibStream::TestStream_NoHeader_SpeedComp()
 190 {
 191     doTestStreamData(wxZLIB_NO_HEADER, wxZLIB_NO_HEADER, wxZ_BEST_SPEED);
 192 }
 193 void zlibStream::TestStream_NoHeader_BestComp()
 194 {
 195     doTestStreamData(wxZLIB_NO_HEADER, wxZLIB_NO_HEADER, wxZ_BEST_COMPRESSION);
 196 }
 197
 198 void zlibStream::TestStream_ZLib_Default()
 199 {
 200     doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_DEFAULT_COMPRESSION);
 201 }
 202 void zlibStream::TestStream_ZLib_NoComp()
 203 {
 204     doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_NO_COMPRESSION);
 205 }
 206 void zlibStream::TestStream_ZLib_SpeedComp()
 207 {
 208     doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_BEST_SPEED);
 209 }
 210 void zlibStream::TestStream_ZLib_BestComp()
 211 {
 212     doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_BEST_COMPRESSION);
 213 }
 214
 215 void zlibStream::TestStream_GZip_Default()
 216 {
 217     doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_DEFAULT_COMPRESSION);
 218 }
 219 void zlibStream::TestStream_GZip_NoComp()
 220 {
 221     doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_NO_COMPRESSION);
 222 }
 223 void zlibStream::TestStream_GZip_SpeedComp()
 224 {
 225     doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_BEST_SPEED);
 226 }
 227 void zlibStream::TestStream_GZip_BestComp()
 228 {
 229     doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_BEST_COMPRESSION);
 230 }
 231
 232 void zlibStream::TestStream_ZLibGZip()
 233 {
 234     // Only use default compression level, as this test is
 235     // for testing if the streams can determine the stream type info them self...
 236     doTestStreamData(wxZLIB_AUTO, wxZLIB_ZLIB, wxZ_DEFAULT_COMPRESSION);
 237     doTestStreamData(wxZLIB_AUTO, wxZLIB_GZIP, wxZ_DEFAULT_COMPRESSION);
 238 }
 239
 240 void zlibStream::Decompress_BadData()
 241 {
 242     // Setup the bad data stream and the zlib stream.
 243     wxMemoryInputStream memstream_in(GetDataBuffer(), DATABUFFER_SIZE);
 244     CPPUNIT_ASSERT(memstream_in.IsOk());
 245     wxZlibInputStream zstream_in(memstream_in);
 246     CPPUNIT_ASSERT(zstream_in.IsOk()); // We did not yet read from the stream
 247                                        // so it should still be OK.
 248     // Try to force the stream to go to bad status.
 249     CPPUNIT_ASSERT(!zstream_in.Eof());
 250     if (zstream_in.IsOk())
 251         zstream_in.GetC();
 252
 253     // Because of the bad data in the input stream the zlib
 254     // stream should be marked as NOT OK.
 255     CPPUNIT_ASSERT(!zstream_in.IsOk());
 256 }
 257
 258 void zlibStream::Decompress_wx24Data()
 259 {
 260     // The wx24_value was used in a wxWidgets 2.4(.2)
 261     // application to produce wx24_data, using wxZlibOutputStream.
 262     const unsigned char wx24_data[] = {120,156,242,72,205,201,201,87,40,207,47,202,73,97,0,0,0,0,255,255,0};
 263     const char *wx24_value = "Hello world";
 264     // Size of the value and date items.
 265     const size_t data_size = sizeof(wx24_data);
 266     const size_t value_size = strlen(wx24_value) + 1; // +1 because the wx24 app also did this.
 267
 268     // Perform a generic data test on the data.
 269     doDecompress_ExternalData(wx24_data, wx24_value, data_size, value_size, wxZLIB_24COMPATIBLE);
 270 }
 271
 272 void zlibStream::Decompress_wx251_zlib114_Data_NoHeader()
 273 {
 274     const unsigned char data[] = {171,202,201,76,82,72,73,44,73,84,72,46,74,77,44,73,77,81,40,207,44,201,80,40,175,8,207,76,73,79,45,41,86,48,210,51,213,171,80,136,246,77,44,74,206,80,48,50,143,213,1,202,69,249,120,58,197,251,249,199,123,184,58,186,184,6,233,40,84,129,12,49,212,51,212,51,1,0,32};
 275     const char *value = "zlib data created with wxWidgets 2.5.x [March 27], wxZLIB_NO_HEADER, zlib 1.1.4";
 276     const size_t data_size = sizeof(data);
 277     const size_t value_size = strlen(value);
 278     // We need to specify wxZLIB_NO_HEADER because wxZLIB_AUTO can't find it his self.
 279     doDecompress_ExternalData(data, value, data_size, value_size, wxZLIB_NO_HEADER);
 280 }
 281
 282 void zlibStream::Decompress_wx251_zlib114_Data_ZLib()
 283 {
 284     const unsigned char data[] = {120,156,171,202,201,76,82,72,73,44,73,84,72,46,74,77,44,73,77,81,40,207,44,201,80,40,175,8,207,76,73,79,45,41,86,48,210,51,213,171,80,136,246,77,44,74,206,80,48,50,143,213,1,202,69,249,120,58,197,131,8,29,133,42,144,126,67,61,67,61,19,0,191,86,23,216};
 285     const char *value = "zlib data created with wxWidgets 2.5.x [March 27], wxZLIB_ZLIB, zlib 1.1.4";
 286     const size_t data_size = sizeof(data);
 287     const size_t value_size = strlen(value);
 288     doDecompress_ExternalData(data, value, data_size, value_size);
 289 }
 290
 291 void zlibStream::Decompress_gzip135Data()
 292 {
 293     // Compressed data was on the command line with gzip 1.3.5.
 294     const unsigned char gzip135_data[] = {31,139,8,0,177,248,112,64,4,3,115,206,207,45,40,74,45,46,78,77,81,72,73,44,73,84,72,46,74,77,44,1,114,202,51,75,50,20,220,253,66,21,210,171,50,11,20,12,245,140,245,76,185,0,1,107,16,80,44,0,0,0,0};
 295     const char *gzip135_value = "Compressed data created with GNU gzip 1.3.5\n";
 296     // Size of the value and date items.
 297     const size_t data_size = sizeof(gzip135_data);
 298     const size_t value_size = strlen(gzip135_value);
 299
 300     // Perform a generic data test on the data.
 301     doDecompress_ExternalData(gzip135_data, gzip135_value, data_size, value_size);
 302 }
 303
 304 const char *zlibStream::GetDataBuffer()
 305 {
 306     return m_DataBuffer;
 307 }
 308
 309 const unsigned char *zlibStream::GetCompressedData()
 310 {
 311     if (!m_pCompressedData)
 312     {
 313         // Construct the compressed data live.
 314         wxMemoryOutputStream memstream_out;
 315         {
 316             const char *buf = "01234567890123456789012345678901234567890123456789"; /* = 50 */
 317             wxZlibOutputStream zstream_out(memstream_out);
 318             zstream_out.Write(buf, strlen(buf));
 319         }
 320
 321         // Copy the to the
 322         m_SizeCompressedData = memstream_out.GetSize();
 323         m_pCompressedData = new unsigned char[m_SizeCompressedData];
 324         memstream_out.CopyTo(m_pCompressedData, m_SizeCompressedData);
 325     }
 326
 327     CPPUNIT_ASSERT(m_pCompressedData != NULL);
 328     return m_pCompressedData;
 329 }
 330
 331 void zlibStream::doTestStreamData(int input_flag, int output_flag, int compress_level)
 332 {
 333     size_t fail_pos = 0;
 334     char last_value = 0;
 335     bool bWasEOF = true;
 336
 337     {   // Part one: Create a compressed file.
 338         wxFileOutputStream fstream_out(FILENAME_GZ);
 339         CPPUNIT_ASSERT(fstream_out.IsOk());
 340         {
 341             wxZlibOutputStream zstream_out(fstream_out, compress_level, output_flag);
 342             CPPUNIT_ASSERT_MESSAGE("Could not create the output stream", zstream_out.IsOk());
 343
 344             // Next: Compress some data so the file is containing something.
 345             zstream_out.Write(GetDataBuffer(), DATABUFFER_SIZE);
 346         }
 347
 348         // Next thing is required by zlib versions pre 1.2.0.
 349         if (input_flag == wxZLIB_NO_HEADER)
 350             fstream_out.PutC(' ');
 351     }
 352
 353     {   // Part two: Verify that the compressed data when uncompressed
 354         //           matches the original data.
 355         wxFileInputStream fstream_in(FILENAME_GZ);
 356         CPPUNIT_ASSERT(fstream_in.IsOk());
 357         wxZlibInputStream zstream_in(fstream_in, input_flag);
 358         CPPUNIT_ASSERT_MESSAGE("Could not create the input stream", zstream_in.IsOk());
 359
 360         // Next: Check char per char if the returned data is valid.
 361         const char *pbuf = GetDataBuffer();
 362         for (fail_pos = 0; !zstream_in.Eof(); fail_pos++)
 363         {
 364             last_value = zstream_in.GetC();
 365             if (zstream_in.LastRead() != 1 ||
 366                 last_value != pbuf[fail_pos])
 367                 break;
 368         }
 369
 370         bWasEOF = zstream_in.Eof();
 371     }
 372
 373     // Remove the temp file...
 374     ::wxRemoveFile(FILENAME_GZ);
 375
 376     // Check state of the verify action.
 377     if (fail_pos != DATABUFFER_SIZE || !bWasEOF)
 378     {
 379         wxString msg(wxString::Format(_T("Wrong data item at pos %d (Org_val %d != Zlib_val %d), with compression level %d"),
 380                                             fail_pos, GetDataBuffer()[fail_pos], last_value, compress_level));
 381         CPPUNIT_FAIL(string(msg.mb_str()));
 382     }
 383 }
 384
 385 void zlibStream::doDecompress_ExternalData(const unsigned char *data, const char *value, size_t data_size, size_t value_size, int flag)
 386 {
 387     // See that the input is ok.
 388     wxASSERT(data != NULL);
 389     wxASSERT(value != NULL);
 390     wxASSERT(data_size > 0);
 391     wxASSERT(value_size > 0);
 392
 393     // Quickly try to see if the data is valid.
 394     switch (flag)
 395     {
 396     case wxZLIB_NO_HEADER:
 397         break;
 398     case wxZLIB_24COMPATIBLE:
 399     case wxZLIB_ZLIB:
 400         if (!(data_size >= 1 && data[0] == 0x78))
 401             wxLogError(_T("zlib data seems to not be zlib data!"));
 402         break;
 403     case wxZLIB_GZIP:
 404         if (!(data_size >= 2 && data[0] == 0x1F && data[1] == 0x8B))
 405             wxLogError(_T("gzip data seems to not be gzip data!"));
 406         break;
 407     case wxZLIB_AUTO:
 408         if (!(data_size >= 1 && data[0] == 0x78) ||
 409             !(data_size >= 2 && data[0] == 0x1F && data[1] == 0x8B))
 410             wxLogError(_T("Data seems to not be zlib or gzip data!"));
 411     default:
 412         wxLogError(_T("Unknown flag, skipping quick test."));
 413     };
 414
 415     // Creat the needed streams.
 416     wxMemoryInputStream memstream_in(data, data_size);
 417     CPPUNIT_ASSERT(memstream_in.IsOk());
 418     wxZlibInputStream zstream_in(memstream_in, flag);
 419     CPPUNIT_ASSERT(zstream_in.IsOk());
 420
 421     bool bValueEq = true;
 422     size_t i;
 423     for (i = 0; !zstream_in.Eof(); i++)
 424     {
 425         char last_value = zstream_in.GetC();
 426
 427         // First check if it is a valid read.
 428         if (zstream_in.LastRead() == 1)
 429         {
 430             // Check the values
 431             if (last_value != value[i])
 432             {
 433                 bValueEq = false;
 434                 break;
 435             }
 436         }
 437         else
 438         {
 439             // If the read failed and turned the stream to Eof we stop reading.
 440             if (zstream_in.Eof())
 441                 break;
 442
 443             CPPUNIT_ASSERT_MESSAGE("Stream is no longer ok!", zstream_in.IsOk());
 444         }
 445
 446         // Don't go over the end of the value buffer...
 447         if (i == value_size)
 448         {
 449             // And if we do then try to see how long the stream actually is.
 450             while (!zstream_in.Eof())
 451             {
 452                 // Move one item along in the stream.
 453                 (void)zstream_in.GetC();
 454                 i++;
 455
 456                 // Check if we are in an infinite loop by multiplying value_size
 457                 // by 5 to have a *much* bigger range then the real range.
 458                 // Note: Incase you ask your self, why 5, the answer is no reason...
 459                 //       it is not to big and not to small a size, nothing more
 460                 //       nothing less to it.
 461                 if (i > (value_size*5))
 462                 {
 463                     // Note: Please make sure Input_Eof test passed.
 464                     CPPUNIT_FAIL("Infinite stream detected, breaking the infinite loop");
 465                     return;
 466                 }
 467             }
 468         }
 469     }
 470
 471     CPPUNIT_ASSERT_MESSAGE("Could not decompress the compressed data, original and restored value did not match.",
 472                            i == value_size && bValueEq);
 473 }
 474
 475 wxZlibInputStream *zlibStream::DoCreateInStream()
 476 {
 477     const unsigned char *buf = GetCompressedData();
 478     m_pTmpMemInStream = new wxMemoryInputStream(buf, m_SizeCompressedData);
 479     CPPUNIT_ASSERT(m_pTmpMemInStream->IsOk());
 480     wxZlibInputStream *pzstream_in = new wxZlibInputStream(*m_pTmpMemInStream);
 481     CPPUNIT_ASSERT(pzstream_in->IsOk());
 482     return pzstream_in;
 483 }
 484 wxZlibOutputStream *zlibStream::DoCreateOutStream()
 485 {
 486     m_pTmpMemOutStream = new wxMemoryOutputStream();
 487     CPPUNIT_ASSERT(m_pTmpMemOutStream->IsOk());
 488     wxZlibOutputStream *pzstream_out = new wxZlibOutputStream(*m_pTmpMemOutStream);
 489     CPPUNIT_ASSERT(pzstream_out->IsOk());
 490     return pzstream_out;
 491 }
 492 void zlibStream::DoDeleteInStream()
 493 {
 494     delete m_pTmpMemInStream;
 495     m_pTmpMemInStream = NULL;
 496 }
 497 void zlibStream::DoDeleteOutStream()
 498 {
 499     delete m_pTmpMemOutStream;
 500     m_pTmpMemOutStream = NULL;
 501 }
 502
 503
 504 void zlibStream::genExtTestData(wxTextOutputStream &out, const char *buf, int flag)
 505 {
 506     unsigned char *data = NULL;
 507     size_t size = 0;
 508
 509     {   // Gen data
 510         wxMemoryOutputStream memstream_out;
 511         {
 512             wxZlibOutputStream zstream_out(memstream_out, wxZ_DEFAULT_COMPRESSION, flag);
 513             zstream_out.Write(buf, strlen(buf));
 514         }
 515         if (flag == wxZLIB_NO_HEADER)
 516             memstream_out.PutC(' ');
 517
 518         size = memstream_out.GetSize();
 519         data = new unsigned char[size];
 520         memstream_out.CopyTo(data, size);
 521     }
 522
 523     out << _T("void zlibStream::Decompress_wxXXXData()") << _T("\n");
 524     out << _T("{") << _T("\n") << _T("    const unsigned char data[] = {");
 525
 526     size_t i;
 527     for (i = 0; i < size; i++)
 528     {
 529         if (i+1 != size)
 530             out << wxString::Format(_T("%d,"), data[i]);
 531         else
 532             out << wxString::Format(_T("%d"), data[i]);
 533     }
 534     delete [] data;
 535
 536     out << _T("};") << _T("\n");
 537     out << _T("    const char *value = \"") << wxString(buf, wxConvUTF8) << _T("\";") << _T("\n");
 538     out << _T("    const size_t data_size = sizeof(data);") << _T("\n");
 539     out << _T("    const size_t value_size = strlen(value);") << _T("\n");
 540     out << _T("    doDecompress_ExternalData(data, value, data_size, value_size);") << _T("\n");
 541     out << _T("}") << _T("\n");
 542 }
 543
 544
 545 // Register the stream sub suite, by using some stream helper macro.
 546 // Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
 547 STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(zlibStream)
 548