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 // For compilers that support precompilation, includes "wx/wx.h".
  11 // and "wx/cppunit.h"
  12 #include "testprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 // for all others, include the necessary headers
  19 #ifndef WX_PRECOMP
  20     #include "wx/wx.h"
  21 #endif
  22
  23 #include "wx/zstream.h"
  24 #include "wx/wfstream.h"
  25 #include "wx/mstream.h"
  26
  27 #include "wx/txtstrm.h"
  28
  29 #include "bstream.h"
  30
  31 using std::string;
  32
  33 #define WXTEST_WITH_GZIP_CONDITION(testMethod) \
  34     WXTEST_WITH_CONDITION( COMPOSE_TEST_NAME(zlibStream), wxZlibInputStream::CanHandleGZip() && wxZlibOutputStream::CanHandleGZip(), testMethod )
  35
  36 #define DATABUFFER_SIZE 1024
  37
  38 static const wxString FILENAME_GZ = _T("zlibtest.gz");
  39
  40 ///////////////////////////////////////////////////////////////////////////////
  41 // The test case
  42 //
  43 // Try to fully test wxZlibInputStream and wxZlibOutputStream
  44
  45 class zlibStream : public BaseStreamTestCase<wxZlibInputStream, wxZlibOutputStream>
  46 {
  47 public:
  48     zlibStream();
  49     virtual ~zlibStream();
  50
  51     CPPUNIT_TEST_SUITE(zlibStream);
  52         // Base class stream tests the zlibstream supports.
  53         CPPUNIT_TEST_FAIL(Input_GetSize);
  54         CPPUNIT_TEST(Input_GetC);
  55         CPPUNIT_TEST(Input_Read);
  56         CPPUNIT_TEST(Input_Eof);
  57         CPPUNIT_TEST(Input_LastRead);
  58         CPPUNIT_TEST_FAIL(Input_SeekI);
  59         CPPUNIT_TEST(Input_TellI);
  60         CPPUNIT_TEST(Input_Peek);
  61         CPPUNIT_TEST(Input_Ungetch);
  62
  63         CPPUNIT_TEST(Output_PutC);
  64         CPPUNIT_TEST(Output_Write);
  65         CPPUNIT_TEST(Output_LastWrite);
  66         CPPUNIT_TEST_FAIL(Output_SeekO);
  67         CPPUNIT_TEST(Output_TellO);
  68
  69         // Other test specific for zlib stream test case.
  70         CPPUNIT_TEST(TestStream_NoHeader_Default);
  71         CPPUNIT_TEST(TestStream_NoHeader_NoComp);
  72         CPPUNIT_TEST(TestStream_NoHeader_SpeedComp);
  73         CPPUNIT_TEST(TestStream_NoHeader_BestComp);
  74         CPPUNIT_TEST(TestStream_ZLib_Default);
  75         CPPUNIT_TEST(TestStream_ZLib_NoComp);
  76         CPPUNIT_TEST(TestStream_ZLib_SpeedComp);
  77         CPPUNIT_TEST(TestStream_ZLib_BestComp);
  78         WXTEST_WITH_GZIP_CONDITION(TestStream_GZip_Default);
  79         WXTEST_WITH_GZIP_CONDITION(TestStream_GZip_NoComp);
  80         WXTEST_WITH_GZIP_CONDITION(TestStream_GZip_SpeedComp);
  81         WXTEST_WITH_GZIP_CONDITION(TestStream_GZip_BestComp);
  82         WXTEST_WITH_GZIP_CONDITION(TestStream_ZLibGZip);
  83         CPPUNIT_TEST(Decompress_BadData);
  84 #if WXWIN_COMPATIBILITY_2_4
  85         CPPUNIT_TEST(Decompress_wx24Data);
  86 #endif
  87         CPPUNIT_TEST(Decompress_wx251_zlib114_Data_NoHeader);
  88         CPPUNIT_TEST(Decompress_wx251_zlib114_Data_ZLib);
  89         WXTEST_WITH_GZIP_CONDITION(Decompress_gzip135Data);
  90     CPPUNIT_TEST_SUITE_END();
  91
  92 protected:
  93     // Test different stream construct settings.
  94     void TestStream_NoHeader_Default();
  95     void TestStream_NoHeader_NoComp();
  96     void TestStream_NoHeader_SpeedComp();
  97     void TestStream_NoHeader_BestComp();
  98     void TestStream_ZLib_Default();
  99     void TestStream_ZLib_NoComp();
 100     void TestStream_ZLib_SpeedComp();
 101     void TestStream_ZLib_BestComp();
 102     void TestStream_GZip_Default();
 103     void TestStream_GZip_NoComp();
 104     void TestStream_GZip_SpeedComp();
 105     void TestStream_GZip_BestComp();
 106     void TestStream_ZLibGZip();
 107     // Try to decompress bad data.
 108     void Decompress_BadData();
 109     // Decompress data that was compress by an external app.
 110     // (like test wx 2.4.2, 2.5.1 and gzip data)
 111     // Note: This test is limited in testing range!
 112 #if WXWIN_COMPATIBILITY_2_4
 113     void Decompress_wx24Data();
 114 #endif
 115     void Decompress_wx251_zlib114_Data_NoHeader();
 116     void Decompress_wx251_zlib114_Data_ZLib();
 117     void Decompress_gzip135Data();
 118
 119 private:
 120     const char *GetDataBuffer();
 121     const unsigned char *GetCompressedData();
 122     void doTestStreamData(int input_flag, int output_flag, int compress_level);
 123     void doDecompress_ExternalData(const unsigned char *data, const char *value, size_t data_size, size_t value_size, int flag = wxZLIB_AUTO);
 124
 125 private:
 126     // Implement base class functions.
 127     virtual wxZlibInputStream  *DoCreateInStream();
 128     virtual wxZlibOutputStream *DoCreateOutStream();
 129     virtual void DoDeleteInStream();
 130     virtual void DoDeleteOutStream();
 131
 132     // Helper that can be used to create new wx compatibility tests...
 133     // Otherwise not used by the tests.
 134     void genExtTestData(wxTextOutputStream &out, const char *buf, int flag);
 135
 136 private:
 137     char            m_DataBuffer[DATABUFFER_SIZE];
 138     size_t          m_SizeCompressedData;
 139     unsigned char  *m_pCompressedData;
 140
 141     // Used by the base Creat[In|Out]Stream and Delete[In|Out]Stream.
 142     wxMemoryInputStream  *m_pTmpMemInStream;
 143     wxMemoryOutputStream *m_pTmpMemOutStream;
 144 };
 145
 146 zlibStream::zlibStream()
 147     :m_SizeCompressedData(0),
 148      m_pCompressedData(NULL),
 149      m_pTmpMemInStream(NULL),
 150      m_pTmpMemOutStream(NULL)
 151 {
 152     // Init the data buffer.
 153     for (size_t i = 0; i < DATABUFFER_SIZE; i++)
 154         m_DataBuffer[i] = (i % 0xFF);
 155
 156     // Set extra base config settings.
 157     m_bSimpleTellITest = true;
 158     m_bSimpleTellOTest = true;
 159
 160 /* Example code on how to produce test data...
 161     {
 162         wxFFileOutputStream fstream_out(_T("gentest.cpp"));
 163         wxTextOutputStream out( fstream_out );
 164
 165         genExtTestData(out, "zlib data created with wxWidgets 2.5.x [March 27], wxZLIB_NO_HEADER, zlib 1.1.4", wxZLIB_NO_HEADER);
 166         genExtTestData(out, "zlib data created with wxWidgets 2.5.x [March 27], wxZLIB_ZLIB, zlib 1.1.4", wxZLIB_ZLIB);
 167     }
 168 */
 169 }
 170
 171 zlibStream::~zlibStream()
 172 {
 173     delete[] m_pCompressedData;
 174
 175     delete m_pTmpMemInStream;
 176     delete m_pTmpMemOutStream;
 177 }
 178
 179 void zlibStream::TestStream_NoHeader_Default()
 180 {
 181     doTestStreamData(wxZLIB_NO_HEADER, wxZLIB_NO_HEADER, wxZ_DEFAULT_COMPRESSION);
 182 }
 183 void zlibStream::TestStream_NoHeader_NoComp()
 184 {
 185     doTestStreamData(wxZLIB_NO_HEADER, wxZLIB_NO_HEADER, wxZ_NO_COMPRESSION);
 186 }
 187 void zlibStream::TestStream_NoHeader_SpeedComp()
 188 {
 189     doTestStreamData(wxZLIB_NO_HEADER, wxZLIB_NO_HEADER, wxZ_BEST_SPEED);
 190 }
 191 void zlibStream::TestStream_NoHeader_BestComp()
 192 {
 193     doTestStreamData(wxZLIB_NO_HEADER, wxZLIB_NO_HEADER, wxZ_BEST_COMPRESSION);
 194 }
 195
 196 void zlibStream::TestStream_ZLib_Default()
 197 {
 198     doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_DEFAULT_COMPRESSION);
 199 }
 200 void zlibStream::TestStream_ZLib_NoComp()
 201 {
 202     doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_NO_COMPRESSION);
 203 }
 204 void zlibStream::TestStream_ZLib_SpeedComp()
 205 {
 206     doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_BEST_SPEED);
 207 }
 208 void zlibStream::TestStream_ZLib_BestComp()
 209 {
 210     doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_BEST_COMPRESSION);
 211 }
 212
 213 void zlibStream::TestStream_GZip_Default()
 214 {
 215     doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_DEFAULT_COMPRESSION);
 216 }
 217 void zlibStream::TestStream_GZip_NoComp()
 218 {
 219     doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_NO_COMPRESSION);
 220 }
 221 void zlibStream::TestStream_GZip_SpeedComp()
 222 {
 223     doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_BEST_SPEED);
 224 }
 225 void zlibStream::TestStream_GZip_BestComp()
 226 {
 227     doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_BEST_COMPRESSION);
 228 }
 229
 230 void zlibStream::TestStream_ZLibGZip()
 231 {
 232     // Only use default compression level, as this test is
 233     // for testing if the streams can determine the stream type info them self...
 234     doTestStreamData(wxZLIB_AUTO, wxZLIB_ZLIB, wxZ_DEFAULT_COMPRESSION);
 235     doTestStreamData(wxZLIB_AUTO, wxZLIB_GZIP, wxZ_DEFAULT_COMPRESSION);
 236 }
 237
 238 void zlibStream::Decompress_BadData()
 239 {
 240     // Setup the bad data stream and the zlib stream.
 241     wxMemoryInputStream memstream_in(GetDataBuffer(), DATABUFFER_SIZE);
 242     CPPUNIT_ASSERT(memstream_in.IsOk());
 243     wxZlibInputStream zstream_in(memstream_in);
 244     CPPUNIT_ASSERT(zstream_in.IsOk()); // We did not yet read from the stream
 245                                        // so it should still be OK.
 246     // Try to force the stream to go to bad status.
 247     CPPUNIT_ASSERT(!zstream_in.Eof());
 248     if (zstream_in.IsOk())
 249         zstream_in.GetC();
 250
 251     // Because of the bad data in the input stream the zlib
 252     // stream should be marked as NOT OK.
 253     CPPUNIT_ASSERT(!zstream_in.IsOk());
 254 }
 255
 256 #if WXWIN_COMPATIBILITY_2_4
 257 void zlibStream::Decompress_wx24Data()
 258 {
 259     // The wx24_value was used in a wxWidgets 2.4(.2)
 260     // application to produce wx24_data, using wxZlibOutputStream.
 261     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};
 262     const char *wx24_value = "Hello world";
 263     // Size of the value and date items.
 264     const size_t data_size = sizeof(wx24_data);
 265     const size_t value_size = strlen(wx24_value) + 1; // +1 because the wx24 app also did this.
 266
 267     // Perform a generic data test on the data.
 268     doDecompress_ExternalData(wx24_data, wx24_value, data_size, value_size, wxZLIB_24COMPATIBLE);
 269 }
 270 #endif
 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;
 334     char last_value = 0;
 335     bool bWasEOF;
 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;
 380         msg << _T("Wrong data item at pos ") << fail_pos
 381             << _T(" (Org_val ") << GetDataBuffer()[fail_pos]
 382             << _T(" != Zlib_val ") << last_value
 383             << _T("), with compression level ") << compress_level;
 384         CPPUNIT_FAIL(string(msg.mb_str()));
 385     }
 386 }
 387
 388 void zlibStream::doDecompress_ExternalData(const unsigned char *data, const char *value, size_t data_size, size_t value_size, int flag)
 389 {
 390     // See that the input is ok.
 391     wxASSERT(data != NULL);
 392     wxASSERT(value != NULL);
 393     wxASSERT(data_size > 0);
 394     wxASSERT(value_size > 0);
 395
 396     // Quickly try to see if the data is valid.
 397     switch (flag)
 398     {
 399     case wxZLIB_NO_HEADER:
 400         break;
 401 #if WXWIN_COMPATIBILITY_2_4
 402     case wxZLIB_24COMPATIBLE:
 403 #endif
 404     case wxZLIB_ZLIB:
 405         if (!(data_size >= 1 && data[0] == 0x78))
 406             wxLogError(_T("zlib data seems to not be zlib data!"));
 407         break;
 408     case wxZLIB_GZIP:
 409         if (!(data_size >= 2 && data[0] == 0x1F && data[1] == 0x8B))
 410             wxLogError(_T("gzip data seems to not be gzip data!"));
 411         break;
 412     case wxZLIB_AUTO:
 413         if (!(data_size >= 1 && data[0] == 0x78) ||
 414             !(data_size >= 2 && data[0] == 0x1F && data[1] == 0x8B))
 415             wxLogError(_T("Data seems to not be zlib or gzip data!"));
 416     default:
 417         wxLogError(_T("Unknown flag, skipping quick test."));
 418     };
 419
 420     // Creat the needed streams.
 421     wxMemoryInputStream memstream_in(data, data_size);
 422     CPPUNIT_ASSERT(memstream_in.IsOk());
 423     wxZlibInputStream zstream_in(memstream_in, flag);
 424     CPPUNIT_ASSERT(zstream_in.IsOk());
 425
 426     bool bValueEq = true;
 427     size_t i;
 428     for (i = 0; !zstream_in.Eof(); i++)
 429     {
 430         char last_value = zstream_in.GetC();
 431
 432         // First check if it is a valid read.
 433         if (zstream_in.LastRead() == 1)
 434         {
 435             // Check the values
 436             if (last_value != value[i])
 437             {
 438                 bValueEq = false;
 439                 break;
 440             }
 441         }
 442         else
 443         {
 444             // If the read failed and turned the stream to Eof we stop reading.
 445             if (zstream_in.Eof())
 446                 break;
 447
 448             CPPUNIT_ASSERT_MESSAGE("Stream is no longer ok!", zstream_in.IsOk());
 449         }
 450
 451         // Don't go over the end of the value buffer...
 452         if (i == value_size)
 453         {
 454             // And if we do then try to see how long the stream actually is.
 455             while (!zstream_in.Eof())
 456             {
 457                 // Move one item along in the stream.
 458                 (void)zstream_in.GetC();
 459                 i++;
 460
 461                 // Check if we are in an infinite loop by multiplying value_size
 462                 // by 5 to have a *much* bigger range then the real range.
 463                 // Note: Incase you ask your self, why 5, the answer is no reason...
 464                 //       it is not to big and not to small a size, nothing more
 465                 //       nothing less to it.
 466                 if (i > (value_size*5))
 467                 {
 468                     // Note: Please make sure Input_Eof test passed.
 469                     CPPUNIT_FAIL("Infinite stream detected, breaking the infinite loop");
 470                     return;
 471                 }
 472             }
 473         }
 474     }
 475
 476     CPPUNIT_ASSERT_MESSAGE("Could not decompress the compressed data, original and restored value did not match.",
 477                            i == value_size && bValueEq);
 478 }
 479
 480 wxZlibInputStream *zlibStream::DoCreateInStream()
 481 {
 482     const unsigned char *buf = GetCompressedData();
 483     m_pTmpMemInStream = new wxMemoryInputStream(buf, m_SizeCompressedData);
 484     CPPUNIT_ASSERT(m_pTmpMemInStream->IsOk());
 485     wxZlibInputStream *pzstream_in = new wxZlibInputStream(*m_pTmpMemInStream);
 486     CPPUNIT_ASSERT(pzstream_in->IsOk());
 487     return pzstream_in;
 488 }
 489 wxZlibOutputStream *zlibStream::DoCreateOutStream()
 490 {
 491     m_pTmpMemOutStream = new wxMemoryOutputStream();
 492     CPPUNIT_ASSERT(m_pTmpMemOutStream->IsOk());
 493     wxZlibOutputStream *pzstream_out = new wxZlibOutputStream(*m_pTmpMemOutStream);
 494     CPPUNIT_ASSERT(pzstream_out->IsOk());
 495     return pzstream_out;
 496 }
 497 void zlibStream::DoDeleteInStream()
 498 {
 499     delete m_pTmpMemInStream;
 500     m_pTmpMemInStream = NULL;
 501 }
 502 void zlibStream::DoDeleteOutStream()
 503 {
 504     delete m_pTmpMemOutStream;
 505     m_pTmpMemOutStream = NULL;
 506 }
 507
 508
 509 void zlibStream::genExtTestData(wxTextOutputStream &out, const char *buf, int flag)
 510 {
 511     unsigned char *data;
 512     size_t size;
 513
 514     {   // Gen data
 515         wxMemoryOutputStream memstream_out;
 516         {
 517             wxZlibOutputStream zstream_out(memstream_out, wxZ_DEFAULT_COMPRESSION, flag);
 518             zstream_out.Write(buf, strlen(buf));
 519         }
 520         if (flag == wxZLIB_NO_HEADER)
 521             memstream_out.PutC(' ');
 522
 523         size = memstream_out.GetSize();
 524         data = new unsigned char[size];
 525         memstream_out.CopyTo(data, size);
 526     }
 527
 528     out << _T("void zlibStream::Decompress_wxXXXData()") << _T("\n");
 529     out << _T("{") << _T("\n") << _T("    const unsigned char data[] = {");
 530
 531     size_t i;
 532     for (i = 0; i < size; i++)
 533     {
 534         if (i+1 != size)
 535             out << wxString::Format(_T("%d,"), data[i]);
 536         else
 537             out << wxString::Format(_T("%d"), data[i]);
 538     }
 539     delete [] data;
 540
 541     out << _T("};") << _T("\n");
 542     out << _T("    const char *value = \"") << wxString(buf, wxConvUTF8) << _T("\";") << _T("\n");
 543     out << _T("    const size_t data_size = sizeof(data);") << _T("\n");
 544     out << _T("    const size_t value_size = strlen(value);") << _T("\n");
 545     out << _T("    doDecompress_ExternalData(data, value, data_size, value_size);") << _T("\n");
 546     out << _T("}") << _T("\n");
 547 }
 548
 549
 550 // Register the stream sub suite, by using some stream helper macro.
 551 // Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
 552 STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(zlibStream)
 553