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:     wxWindows 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 #include "wx/txtstrm.h"
  27 #include "wx/buffer.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 = wxT("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(Input_CanRead);
  59         CPPUNIT_TEST_FAIL(Input_SeekI);
  60         CPPUNIT_TEST(Input_TellI);
  61         CPPUNIT_TEST(Input_Peek);
  62         CPPUNIT_TEST(Input_Ungetch);
  63
  64         CPPUNIT_TEST(Output_PutC);
  65         CPPUNIT_TEST(Output_Write);
  66         CPPUNIT_TEST(Output_LastWrite);
  67         CPPUNIT_TEST_FAIL(Output_SeekO);
  68         CPPUNIT_TEST(Output_TellO);
  69
  70         // Other test specific for zlib stream test case.
  71         CPPUNIT_TEST(TestStream_NoHeader_Default);
  72         CPPUNIT_TEST(TestStream_NoHeader_NoComp);
  73         CPPUNIT_TEST(TestStream_NoHeader_SpeedComp);
  74         CPPUNIT_TEST(TestStream_NoHeader_BestComp);
  75         CPPUNIT_TEST(TestStream_NoHeader_Dictionary);
  76         CPPUNIT_TEST(TestStream_ZLib_Default);
  77         CPPUNIT_TEST(TestStream_ZLib_NoComp);
  78         CPPUNIT_TEST(TestStream_ZLib_SpeedComp);
  79         CPPUNIT_TEST(TestStream_ZLib_BestComp);
  80         WXTEST_WITH_GZIP_CONDITION(TestStream_GZip_Default);
  81         WXTEST_WITH_GZIP_CONDITION(TestStream_GZip_NoComp);
  82         WXTEST_WITH_GZIP_CONDITION(TestStream_GZip_SpeedComp);
  83         WXTEST_WITH_GZIP_CONDITION(TestStream_GZip_BestComp);
  84         WXTEST_WITH_GZIP_CONDITION(TestStream_GZip_Dictionary);
  85         WXTEST_WITH_GZIP_CONDITION(TestStream_ZLibGZip);
  86         CPPUNIT_TEST(Decompress_BadData);
  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_NoHeader_Dictionary();
  99     void TestStream_ZLib_Default();
 100     void TestStream_ZLib_NoComp();
 101     void TestStream_ZLib_SpeedComp();
 102     void TestStream_ZLib_BestComp();
 103     void TestStream_GZip_Default();
 104     void TestStream_GZip_NoComp();
 105     void TestStream_GZip_SpeedComp();
 106     void TestStream_GZip_BestComp();
 107     void TestStream_GZip_Dictionary();
 108     void TestStream_ZLibGZip();
 109     // Try to decompress bad data.
 110     void Decompress_BadData();
 111     // Decompress data that was compress by an external app.
 112     // (like test wx 2.4.2, 2.5.1 and gzip data)
 113     // Note: This test is limited in testing range!
 114     void Decompress_wx251_zlib114_Data_NoHeader();
 115     void Decompress_wx251_zlib114_Data_ZLib();
 116     void Decompress_gzip135Data();
 117
 118 private:
 119     const char *GetDataBuffer();
 120     const unsigned char *GetCompressedData();
 121     void doTestStreamData(int input_flag, int output_flag, int compress_level, const wxMemoryBuffer *buf = NULL);
 122     void doDecompress_ExternalData(const unsigned char *data, const char *value, size_t data_size, size_t value_size, int flag = wxZLIB_AUTO);
 123
 124 private:
 125     // Implement base class functions.
 126     virtual wxZlibInputStream  *DoCreateInStream();
 127     virtual wxZlibOutputStream *DoCreateOutStream();
 128     virtual void DoDeleteInStream();
 129     virtual void DoDeleteOutStream();
 130
 131     // Helper that can be used to create new wx compatibility tests...
 132     // Otherwise not used by the tests.
 133     void genExtTestData(wxTextOutputStream &out, const char *buf, int flag);
 134
 135 private:
 136     char            m_DataBuffer[DATABUFFER_SIZE];
 137     size_t          m_SizeCompressedData;
 138     unsigned char  *m_pCompressedData;
 139     wxMemoryBuffer  m_Dictionary;
 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     m_Dictionary.AppendData(m_DataBuffer, sizeof(m_DataBuffer) / 2);
 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(wxT("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 void zlibStream::TestStream_NoHeader_Dictionary()
 198 {
 199     doTestStreamData(wxZLIB_NO_HEADER, wxZLIB_NO_HEADER, wxZ_DEFAULT_COMPRESSION, &m_Dictionary);
 200 }
 201
 202 void zlibStream::TestStream_ZLib_Default()
 203 {
 204     doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_DEFAULT_COMPRESSION);
 205 }
 206 void zlibStream::TestStream_ZLib_NoComp()
 207 {
 208     doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_NO_COMPRESSION);
 209 }
 210 void zlibStream::TestStream_ZLib_SpeedComp()
 211 {
 212     doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_BEST_SPEED);
 213 }
 214 void zlibStream::TestStream_ZLib_BestComp()
 215 {
 216     doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_BEST_COMPRESSION);
 217 }
 218
 219 void zlibStream::TestStream_GZip_Default()
 220 {
 221     doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_DEFAULT_COMPRESSION);
 222 }
 223 void zlibStream::TestStream_GZip_NoComp()
 224 {
 225     doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_NO_COMPRESSION);
 226 }
 227 void zlibStream::TestStream_GZip_SpeedComp()
 228 {
 229     doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_BEST_SPEED);
 230 }
 231 void zlibStream::TestStream_GZip_BestComp()
 232 {
 233     doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_BEST_COMPRESSION);
 234 }
 235 void zlibStream::TestStream_GZip_Dictionary()
 236 {
 237     doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_DEFAULT_COMPRESSION, &m_Dictionary);
 238 }
 239
 240 void zlibStream::TestStream_ZLibGZip()
 241 {
 242     // Only use default compression level, as this test is
 243     // for testing if the streams can determine the stream type info them self...
 244     doTestStreamData(wxZLIB_AUTO, wxZLIB_ZLIB, wxZ_DEFAULT_COMPRESSION);
 245     doTestStreamData(wxZLIB_AUTO, wxZLIB_GZIP, wxZ_DEFAULT_COMPRESSION);
 246 }
 247
 248 void zlibStream::Decompress_BadData()
 249 {
 250     // Setup the bad data stream and the zlib stream.
 251     wxMemoryInputStream memstream_in(GetDataBuffer(), DATABUFFER_SIZE);
 252     CPPUNIT_ASSERT(memstream_in.IsOk());
 253     wxZlibInputStream zstream_in(memstream_in);
 254     CPPUNIT_ASSERT(zstream_in.IsOk()); // We did not yet read from the stream
 255                                        // so it should still be OK.
 256     // Try to force the stream to go to bad status.
 257     CPPUNIT_ASSERT(!zstream_in.Eof());
 258     if (zstream_in.IsOk())
 259         zstream_in.GetC();
 260
 261     // Because of the bad data in the input stream the zlib
 262     // stream should be marked as NOT OK.
 263     CPPUNIT_ASSERT(!zstream_in.IsOk());
 264 }
 265
 266 void zlibStream::Decompress_wx251_zlib114_Data_NoHeader()
 267 {
 268     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};
 269     const char *value = "zlib data created with wxWidgets 2.5.x [March 27], wxZLIB_NO_HEADER, zlib 1.1.4";
 270     const size_t data_size = sizeof(data);
 271     const size_t value_size = strlen(value);
 272     // We need to specify wxZLIB_NO_HEADER because wxZLIB_AUTO can't find it his self.
 273     doDecompress_ExternalData(data, value, data_size, value_size, wxZLIB_NO_HEADER);
 274 }
 275
 276 void zlibStream::Decompress_wx251_zlib114_Data_ZLib()
 277 {
 278     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};
 279     const char *value = "zlib data created with wxWidgets 2.5.x [March 27], wxZLIB_ZLIB, zlib 1.1.4";
 280     const size_t data_size = sizeof(data);
 281     const size_t value_size = strlen(value);
 282     doDecompress_ExternalData(data, value, data_size, value_size);
 283 }
 284
 285 void zlibStream::Decompress_gzip135Data()
 286 {
 287     // Compressed data was on the command line with gzip 1.3.5.
 288     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};
 289     const char *gzip135_value = "Compressed data created with GNU gzip 1.3.5\n";
 290     // Size of the value and date items.
 291     const size_t data_size = sizeof(gzip135_data);
 292     const size_t value_size = strlen(gzip135_value);
 293
 294     // Perform a generic data test on the data.
 295     doDecompress_ExternalData(gzip135_data, gzip135_value, data_size, value_size);
 296 }
 297
 298 const char *zlibStream::GetDataBuffer()
 299 {
 300     return m_DataBuffer;
 301 }
 302
 303 const unsigned char *zlibStream::GetCompressedData()
 304 {
 305     if (!m_pCompressedData)
 306     {
 307         // Construct the compressed data live.
 308         wxMemoryOutputStream memstream_out;
 309         {
 310             const char *buf = "01234567890123456789012345678901234567890123456789"; /* = 50 */
 311             wxZlibOutputStream zstream_out(memstream_out);
 312             zstream_out.Write(buf, strlen(buf));
 313         }
 314
 315         // Copy the to the
 316         m_SizeCompressedData = memstream_out.GetSize();
 317         m_pCompressedData = new unsigned char[m_SizeCompressedData];
 318         memstream_out.CopyTo(m_pCompressedData, m_SizeCompressedData);
 319     }
 320
 321     CPPUNIT_ASSERT(m_pCompressedData != NULL);
 322     return m_pCompressedData;
 323 }
 324
 325 void zlibStream::doTestStreamData(int input_flag, int output_flag, int compress_level, const wxMemoryBuffer *buf)
 326 {
 327     size_t fail_pos;
 328     char last_value = 0;
 329     bool bWasEOF;
 330
 331     {   // Part one: Create a compressed file.
 332         wxFileOutputStream fstream_out(FILENAME_GZ);
 333         CPPUNIT_ASSERT(fstream_out.IsOk());
 334         {
 335             wxZlibOutputStream zstream_out(fstream_out, compress_level, output_flag);
 336             CPPUNIT_ASSERT_MESSAGE("Could not create the output stream", zstream_out.IsOk());
 337
 338             if (buf)
 339                 zstream_out.SetDictionary(*buf);
 340
 341             // Next: Compress some data so the file is containing something.
 342             zstream_out.Write(GetDataBuffer(), DATABUFFER_SIZE);
 343         }
 344
 345         // Next thing is required by zlib versions pre 1.2.0.
 346         if (input_flag == wxZLIB_NO_HEADER)
 347             fstream_out.PutC(' ');
 348     }
 349
 350     {   // Part two: Verify that the compressed data when uncompressed
 351         //           matches the original data.
 352         wxFileInputStream fstream_in(FILENAME_GZ);
 353         CPPUNIT_ASSERT(fstream_in.IsOk());
 354         wxZlibInputStream zstream_in(fstream_in, input_flag);
 355         CPPUNIT_ASSERT_MESSAGE("Could not create the input stream", zstream_in.IsOk());
 356
 357         if (buf)
 358             zstream_in.SetDictionary(*buf);
 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 << wxT("Wrong data item at pos ") << fail_pos
 381             << wxT(" (Org_val ") << GetDataBuffer()[fail_pos]
 382             << wxT(" != Zlib_val ") << last_value
 383             << wxT("), 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     case wxZLIB_ZLIB:
 402         if (!(data_size >= 1 && data[0] == 0x78))
 403         {
 404             wxLogError(wxT("zlib data seems to not be zlib data!"));
 405         }
 406         break;
 407     case wxZLIB_GZIP:
 408         if (!(data_size >= 2 && data[0] == 0x1F && data[1] == 0x8B))
 409         {
 410             wxLogError(wxT("gzip data seems to not be gzip data!"));
 411         }
 412         break;
 413     case wxZLIB_AUTO:
 414         if (!(data_size >= 1 && data[0] == 0x78) ||
 415             !(data_size >= 2 && data[0] == 0x1F && data[1] == 0x8B))
 416         {
 417             wxLogError(wxT("Data seems to not be zlib or gzip data!"));
 418         }
 419     default:
 420         wxLogError(wxT("Unknown flag, skipping quick test."));
 421     };
 422
 423     // Creat the needed streams.
 424     wxMemoryInputStream memstream_in(data, data_size);
 425     CPPUNIT_ASSERT(memstream_in.IsOk());
 426     wxZlibInputStream zstream_in(memstream_in, flag);
 427     CPPUNIT_ASSERT(zstream_in.IsOk());
 428
 429     bool bValueEq = true;
 430     size_t i;
 431     for (i = 0; !zstream_in.Eof(); i++)
 432     {
 433         char last_value = zstream_in.GetC();
 434
 435         // First check if it is a valid read.
 436         if (zstream_in.LastRead() == 1)
 437         {
 438             // Check the values
 439             if (last_value != value[i])
 440             {
 441                 bValueEq = false;
 442                 break;
 443             }
 444         }
 445         else
 446         {
 447             // If the read failed and turned the stream to Eof we stop reading.
 448             if (zstream_in.Eof())
 449                 break;
 450
 451             CPPUNIT_ASSERT_MESSAGE("Stream is no longer ok!", zstream_in.IsOk());
 452         }
 453
 454         // Don't go over the end of the value buffer...
 455         if (i == value_size)
 456         {
 457             // And if we do then try to see how long the stream actually is.
 458             while (!zstream_in.Eof())
 459             {
 460                 // Move one item along in the stream.
 461                 (void)zstream_in.GetC();
 462                 i++;
 463
 464                 // Check if we are in an infinite loop by multiplying value_size
 465                 // by 5 to have a *much* bigger range then the real range.
 466                 // Note: Incase you ask your self, why 5, the answer is no reason...
 467                 //       it is not to big and not to small a size, nothing more
 468                 //       nothing less to it.
 469                 if (i > (value_size*5))
 470                 {
 471                     // Note: Please make sure Input_Eof test passed.
 472                     CPPUNIT_FAIL("Infinite stream detected, breaking the infinite loop");
 473                     return;
 474                 }
 475             }
 476         }
 477     }
 478
 479     CPPUNIT_ASSERT_MESSAGE("Could not decompress the compressed data, original and restored value did not match.",
 480                            i == value_size && bValueEq);
 481 }
 482
 483 wxZlibInputStream *zlibStream::DoCreateInStream()
 484 {
 485     const unsigned char *buf = GetCompressedData();
 486     m_pTmpMemInStream = new wxMemoryInputStream(buf, m_SizeCompressedData);
 487     CPPUNIT_ASSERT(m_pTmpMemInStream->IsOk());
 488     wxZlibInputStream *pzstream_in = new wxZlibInputStream(*m_pTmpMemInStream);
 489     CPPUNIT_ASSERT(pzstream_in->IsOk());
 490     return pzstream_in;
 491 }
 492 wxZlibOutputStream *zlibStream::DoCreateOutStream()
 493 {
 494     m_pTmpMemOutStream = new wxMemoryOutputStream();
 495     CPPUNIT_ASSERT(m_pTmpMemOutStream->IsOk());
 496     wxZlibOutputStream *pzstream_out = new wxZlibOutputStream(*m_pTmpMemOutStream);
 497     CPPUNIT_ASSERT(pzstream_out->IsOk());
 498     return pzstream_out;
 499 }
 500 void zlibStream::DoDeleteInStream()
 501 {
 502     delete m_pTmpMemInStream;
 503     m_pTmpMemInStream = NULL;
 504 }
 505 void zlibStream::DoDeleteOutStream()
 506 {
 507     delete m_pTmpMemOutStream;
 508     m_pTmpMemOutStream = NULL;
 509 }
 510
 511
 512 void zlibStream::genExtTestData(wxTextOutputStream &out, const char *buf, int flag)
 513 {
 514     unsigned char *data;
 515     size_t size;
 516
 517     {   // Gen data
 518         wxMemoryOutputStream memstream_out;
 519         {
 520             wxZlibOutputStream zstream_out(memstream_out, wxZ_DEFAULT_COMPRESSION, flag);
 521             zstream_out.Write(buf, strlen(buf));
 522         }
 523         if (flag == wxZLIB_NO_HEADER)
 524             memstream_out.PutC(' ');
 525
 526         size = memstream_out.GetSize();
 527         data = new unsigned char[size];
 528         memstream_out.CopyTo(data, size);
 529     }
 530
 531     out << wxT("void zlibStream::Decompress_wxXXXData()") << wxT("\n");
 532     out << wxT("{") << wxT("\n") << wxT("    const unsigned char data[] = {");
 533
 534     size_t i;
 535     for (i = 0; i < size; i++)
 536     {
 537         if (i+1 != size)
 538             out << wxString::Format(wxT("%d,"), data[i]);
 539         else
 540             out << wxString::Format(wxT("%d"), data[i]);
 541     }
 542     delete [] data;
 543
 544     out << wxT("};") << wxT("\n");
 545     out << wxT("    const char *value = \"") << wxString(buf, wxConvUTF8) << wxT("\";") << wxT("\n");
 546     out << wxT("    const size_t data_size = sizeof(data);") << wxT("\n");
 547     out << wxT("    const size_t value_size = strlen(value);") << wxT("\n");
 548     out << wxT("    doDecompress_ExternalData(data, value, data_size, value_size);") << wxT("\n");
 549     out << wxT("}") << wxT("\n");
 550 }
 551
 552
 553 // Register the stream sub suite, by using some stream helper macro.
 554 // Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
 555 STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(zlibStream)
 556