tests/archive/archivetest.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/archive/archive.cpp
   3 // Purpose:     Test the archive classes
   4 // Author:      Mike Wetherell
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 2004 Mike Wetherell
   7 // Licence:     wxWindows licence
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 #include "testprec.h"
  11
  12 #ifdef __BORLANDC__
  13 #   pragma hdrstop
  14 #endif
  15
  16 #ifndef WX_PRECOMP
  17 #   include "wx/wx.h"
  18 #endif
  19
  20 #if wxUSE_STREAMS && wxUSE_ARCHIVE_STREAMS
  21
  22 // VC++ 6 warns that the list iterator's '->' operator will not work whenever
  23 // std::list is used with a non-pointer, so switch it off.
  24 #if defined _MSC_VER && _MSC_VER < 1300
  25 #pragma warning (disable:4284)
  26 #endif
  27
  28 #include "archivetest.h"
  29 #include "wx/dir.h"
  30 #include <string>
  31 #include <list>
  32 #include <map>
  33 #include <sys/stat.h>
  34
  35 using std::string;
  36 using std::auto_ptr;
  37
  38
  39 // Check whether member templates can be used
  40 //
  41 #if defined __GNUC__ && \
  42     (__GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
  43 #   define WXARC_MEMBER_TEMPLATES
  44 #endif
  45 #if defined _MSC_VER && _MSC_VER >= 1310
  46 #   define WXARC_MEMBER_TEMPLATES
  47 #endif
  48 #if defined __BORLANDC__ && __BORLANDC__ >= 0x530
  49 #   define WXARC_MEMBER_TEMPLATES
  50 #endif
  51 #if defined __DMC__ && __DMC__ >= 0x832
  52 #   define WXARC_MEMBER_TEMPLATES
  53 #endif
  54 #if defined __MWERKS__ && __MWERKS__ >= 0x2200
  55 #   define WXARC_MEMBER_TEMPLATES
  56 #endif
  57 #if defined __HP_aCC && __HP_aCC > 33300
  58 #   define WXARC_MEMBER_TEMPLATES
  59 #endif
  60 #if defined __SUNPRO_CC && __SUNPRO_CC > 0x500
  61 #   define WXARC_MEMBER_TEMPLATES
  62 #endif
  63
  64
  65 ///////////////////////////////////////////////////////////////////////////////
  66 // A class to hold a test entry
  67
  68 TestEntry::TestEntry(const wxDateTime& dt, int len, const char *data)
  69   : m_dt(dt),
  70     m_len(len),
  71     m_isText(len > 0)
  72 {
  73     m_data = new char[len];
  74     memcpy(m_data, data, len);
  75
  76     for (int i = 0; i < len && m_isText; i++)
  77         m_isText = (signed char)m_data[i] > 0;
  78 }
  79
  80
  81 ///////////////////////////////////////////////////////////////////////////////
  82 // TestOutputStream and TestInputStream are memory streams which can be
  83 // seekable or non-seekable.
  84
  85 const size_t STUB_SIZE = 2048;
  86 const size_t INITIAL_SIZE = 0x18000;
  87 const wxFileOffset SEEK_LIMIT = 0x100000;
  88
  89 TestOutputStream::TestOutputStream(int options)
  90   : m_options(options)
  91 {
  92     Init();
  93 }
  94
  95 void TestOutputStream::Init()
  96 {
  97     m_data = NULL;
  98     m_size = 0;
  99     m_capacity = 0;
 100     m_pos = 0;
 101
 102     if (m_options & Stub) {
 103         wxCharBuffer buf(STUB_SIZE);
 104         memset(buf.data(), 0, STUB_SIZE);
 105         Write(buf, STUB_SIZE);
 106     }
 107 }
 108
 109 wxFileOffset TestOutputStream::OnSysSeek(wxFileOffset pos, wxSeekMode mode)
 110 {
 111     if ((m_options & PipeOut) == 0) {
 112         switch (mode) {
 113             case wxFromStart:   break;
 114             case wxFromCurrent: pos += m_pos; break;
 115             case wxFromEnd:     pos += m_size; break;
 116         }
 117         if (pos < 0 || pos > SEEK_LIMIT)
 118             return wxInvalidOffset;
 119         m_pos = (size_t)pos;
 120         return m_pos;
 121     }
 122     return wxInvalidOffset;
 123 }
 124
 125 wxFileOffset TestOutputStream::OnSysTell() const
 126 {
 127     return (m_options & PipeOut) == 0 ? (wxFileOffset)m_pos : wxInvalidOffset;
 128 }
 129
 130 size_t TestOutputStream::OnSysWrite(const void *buffer, size_t size)
 131 {
 132     if (!IsOk() || !size)
 133         return 0;
 134     m_lasterror = wxSTREAM_WRITE_ERROR;
 135
 136     size_t newsize = m_pos + size;
 137     wxCHECK(newsize > m_pos, 0);
 138
 139     if (m_capacity < newsize) {
 140         size_t capacity = m_capacity ? m_capacity : INITIAL_SIZE;
 141
 142         while (capacity < newsize) {
 143             capacity <<= 1;
 144             wxCHECK(capacity > m_capacity, 0);
 145         }
 146
 147         char *buf = new char[capacity];
 148         if (m_data)
 149             memcpy(buf, m_data, m_capacity);
 150         delete [] m_data;
 151         m_data = buf;
 152         m_capacity = capacity;
 153     }
 154
 155     memcpy(m_data + m_pos, buffer, size);
 156     m_pos += size;
 157     if (m_pos > m_size)
 158         m_size = m_pos;
 159     m_lasterror = wxSTREAM_NO_ERROR;
 160
 161     return size;
 162 }
 163
 164 void TestOutputStream::GetData(char*& data, size_t& size)
 165 {
 166     data = m_data;
 167     size = m_size;
 168
 169     if (m_options & Stub) {
 170         char *d = m_data;
 171         size += STUB_SIZE;
 172
 173         if (size > m_capacity) {
 174             d = new char[size];
 175             memcpy(d + STUB_SIZE, m_data, m_size);
 176             delete [] m_data;
 177         }
 178         else {
 179             memmove(d + STUB_SIZE, d, m_size);
 180         }
 181
 182         memset(d, 0, STUB_SIZE);
 183         data = d;
 184     }
 185
 186     Init();
 187     Reset();
 188 }
 189
 190
 191 ///////////////////////////////////////////////////////////////////////////////
 192 // TestOutputStream and TestInputStream are memory streams which can be
 193 // seekable or non-seekable.
 194
 195 TestInputStream::TestInputStream(const TestInputStream& in)
 196   : wxInputStream(),
 197     m_options(in.m_options),
 198     m_pos(in.m_pos),
 199     m_size(in.m_size)
 200 {
 201     m_data = new char[m_size];
 202     memcpy(m_data, in.m_data, m_size);
 203 }
 204
 205 void TestInputStream::Rewind()
 206 {
 207     if ((m_options & Stub) && (m_options & PipeIn))
 208         m_pos = STUB_SIZE * 2;
 209     else
 210         m_pos = 0;
 211
 212     if (m_wbacksize) {
 213         free(m_wback);
 214         m_wback = NULL;
 215         m_wbacksize = 0;
 216         m_wbackcur = 0;
 217     }
 218 }
 219
 220 void TestInputStream::SetData(TestOutputStream& out)
 221 {
 222     delete [] m_data;
 223     m_options = out.GetOptions();
 224     out.GetData(m_data, m_size);
 225     Rewind();
 226     Reset();
 227 }
 228
 229 wxFileOffset TestInputStream::OnSysSeek(wxFileOffset pos, wxSeekMode mode)
 230 {
 231     if ((m_options & PipeIn) == 0) {
 232         switch (mode) {
 233             case wxFromStart:   break;
 234             case wxFromCurrent: pos += m_pos; break;
 235             case wxFromEnd:     pos += m_size; break;
 236         }
 237         if (pos < 0 || pos > SEEK_LIMIT)
 238             return wxInvalidOffset;
 239         m_pos = (size_t)pos;
 240         return m_pos;
 241     }
 242     return wxInvalidOffset;
 243 }
 244
 245 wxFileOffset TestInputStream::OnSysTell() const
 246 {
 247     return (m_options & PipeIn) == 0 ? (wxFileOffset)m_pos : wxInvalidOffset;
 248 }
 249
 250 size_t TestInputStream::OnSysRead(void *buffer, size_t size)
 251 {
 252     if (!IsOk() || !size)
 253         return 0;
 254     if (m_size <= m_pos) {
 255         m_lasterror = wxSTREAM_EOF;
 256         return 0;
 257     }
 258
 259     if (m_size - m_pos < size)
 260         size = m_size - m_pos;
 261     memcpy(buffer, m_data + m_pos, size);
 262     m_pos += size;
 263     return size;
 264 }
 265
 266
 267 ///////////////////////////////////////////////////////////////////////////////
 268 // minimal non-intrusive reference counting pointer for testing the iterators
 269
 270 template <class T> class Ptr
 271 {
 272 public:
 273     explicit Ptr(T* p = NULL) : m_p(p), m_count(new int) { *m_count = 1; }
 274     Ptr(const Ptr& sp) : m_p(sp.m_p), m_count(sp.m_count) { ++*m_count; }
 275     ~Ptr() { Free(); }
 276
 277     Ptr& operator =(const Ptr& sp) {
 278         if (&sp != this) {
 279             Free();
 280             m_p = sp.m_p;
 281             m_count = sp.m_count;
 282             ++*m_count;
 283         }
 284         return *this;
 285     }
 286
 287     T* get() const { return m_p; }
 288     T* operator->() const { return m_p; }
 289     T& operator*() const { return *m_p; }
 290
 291 private:
 292     void Free() {
 293         if (--*m_count == 0) {
 294             delete m_p;
 295             delete m_count;
 296         }
 297     }
 298
 299     T *m_p;
 300     int *m_count;
 301 };
 302
 303
 304 ///////////////////////////////////////////////////////////////////////////////
 305 // Clean-up for temp directory
 306
 307 class TempDir
 308 {
 309 public:
 310     TempDir();
 311     ~TempDir();
 312     wxString GetName() const { return m_tmp; }
 313
 314 private:
 315     void RemoveDir(wxString& path);
 316     wxString m_tmp;
 317     wxString m_original;
 318 };
 319
 320 TempDir::TempDir()
 321 {
 322     wxString tmp = wxFileName::CreateTempFileName(_T("arctest-"));
 323     if (!tmp.empty()) {
 324         wxRemoveFile(tmp);
 325         m_original = wxGetCwd();
 326         CPPUNIT_ASSERT(wxMkdir(tmp, 0700));
 327         m_tmp = tmp;
 328         CPPUNIT_ASSERT(wxSetWorkingDirectory(tmp));
 329     }
 330 }
 331
 332 TempDir::~TempDir()
 333 {
 334     if (!m_tmp.empty()) {
 335         wxSetWorkingDirectory(m_original);
 336         RemoveDir(m_tmp);
 337     }
 338 }
 339
 340 void TempDir::RemoveDir(wxString& path)
 341 {
 342     wxCHECK_RET(!m_tmp.empty() && path.substr(0, m_tmp.length()) == m_tmp,
 343                 _T("remove '") + path + _T("' fails safety check"));
 344
 345     const wxChar *files[] = {
 346         _T("text/empty"),
 347         _T("text/small"),
 348         _T("bin/bin1000"),
 349         _T("bin/bin4095"),
 350         _T("bin/bin4096"),
 351         _T("bin/bin4097"),
 352         _T("bin/bin16384"),
 353         _T("zero/zero5"),
 354         _T("zero/zero1024"),
 355         _T("zero/zero32768"),
 356         _T("zero/zero16385"),
 357         _T("zero/newname"),
 358         _T("newfile"),
 359     };
 360
 361     const wxChar *dirs[] = {
 362         _T("text/"), _T("bin/"), _T("zero/"), _T("empty/")
 363     };
 364
 365     wxString tmp = m_tmp + wxFileName::GetPathSeparator();
 366     size_t i;
 367
 368     for (i = 0; i < WXSIZEOF(files); i++)
 369         wxRemoveFile(tmp + wxFileName(files[i], wxPATH_UNIX).GetFullPath());
 370
 371     for (i = 0; i < WXSIZEOF(dirs); i++)
 372         wxRmdir(tmp + wxFileName(dirs[i], wxPATH_UNIX).GetFullPath());
 373
 374     if (!wxRmdir(m_tmp))
 375         wxLogSysError(_T("can't remove temporary dir '%s'"), m_tmp.c_str());
 376 }
 377
 378
 379 ///////////////////////////////////////////////////////////////////////////////
 380 // wxFFile streams for piping to/from an external program
 381
 382 #if defined __UNIX__ || defined __MINGW32__
 383 #   define WXARC_popen popen
 384 #   define WXARC_pclose pclose
 385 #elif defined _MSC_VER || defined __BORLANDC__
 386 #   define WXARC_popen _popen
 387 #   define WXARC_pclose _pclose
 388 #else
 389 #   define WXARC_NO_POPEN
 390 #   define WXARC_popen(cmd, type) NULL
 391 #   define WXARC_pclose(fp)
 392 #endif
 393
 394 #ifdef __WXMSW__
 395 #   define WXARC_b "b"
 396 #else
 397 #   define WXARC_b
 398 #endif
 399
 400 PFileInputStream::PFileInputStream(const wxString& cmd)
 401   : wxFFileInputStream(WXARC_popen(cmd.mb_str(), "r" WXARC_b))
 402 {
 403 }
 404
 405 PFileInputStream::~PFileInputStream()
 406 {
 407     WXARC_pclose(m_file->fp()); m_file->Detach();
 408 }
 409
 410 PFileOutputStream::PFileOutputStream(const wxString& cmd)
 411 : wxFFileOutputStream(WXARC_popen(cmd.mb_str(), "w" WXARC_b))
 412 {
 413 }
 414
 415 PFileOutputStream::~PFileOutputStream()
 416 {
 417     WXARC_pclose(m_file->fp()); m_file->Detach();
 418 }
 419
 420
 421 ///////////////////////////////////////////////////////////////////////////////
 422 // The test case
 423
 424 template <class ClassFactoryT>
 425 ArchiveTestCase<ClassFactoryT>::ArchiveTestCase(
 426     string name,
 427     int id,
 428     ClassFactoryT *factory,
 429     int options,
 430     const wxString& archiver,
 431     const wxString& unarchiver)
 432   :
 433     CppUnit::TestCase(name),
 434     m_factory(factory),
 435     m_options(options),
 436     m_timeStamp(1, wxDateTime::Mar, 2004, 12, 0),
 437     m_id(id),
 438     m_archiver(archiver),
 439     m_unarchiver(unarchiver)
 440 {
 441     wxASSERT(m_factory.get() != NULL);
 442 }
 443
 444 template <class ClassFactoryT>
 445 ArchiveTestCase<ClassFactoryT>::~ArchiveTestCase()
 446 {
 447     TestEntries::iterator it;
 448     for (it = m_testEntries.begin(); it != m_testEntries.end(); ++it)
 449         delete it->second;
 450 }
 451
 452 template <class ClassFactoryT>
 453 void ArchiveTestCase<ClassFactoryT>::runTest()
 454 {
 455     TestOutputStream out(m_options);
 456
 457     CreateTestData();
 458
 459     if (m_archiver.empty())
 460         CreateArchive(out);
 461     else
 462         CreateArchive(out, m_archiver);
 463
 464     // check archive could be created
 465     CPPUNIT_ASSERT(out.GetLength() > 0);
 466
 467     TestInputStream in(out);
 468
 469     TestIterator(in);
 470     in.Rewind();
 471     TestPairIterator(in);
 472     in.Rewind();
 473     TestSmartIterator(in);
 474     in.Rewind();
 475     TestSmartPairIterator(in);
 476     in.Rewind();
 477
 478     if ((m_options & PipeIn) == 0) {
 479         ReadSimultaneous(in);
 480         in.Rewind();
 481     }
 482
 483     ModifyArchive(in, out);
 484     in.SetData(out);
 485
 486     if (m_unarchiver.empty())
 487         ExtractArchive(in);
 488     else
 489         ExtractArchive(in, m_unarchiver);
 490
 491     // check that all the test entries were found in the archive
 492     CPPUNIT_ASSERT(m_testEntries.empty());
 493 }
 494
 495 template <class ClassFactoryT>
 496 void ArchiveTestCase<ClassFactoryT>::CreateTestData()
 497 {
 498     Add("text/");
 499     Add("text/empty", "");
 500     Add("text/small", "Small text file for testing\n"
 501                       "archive streams in wxWidgets\n");
 502
 503     Add("bin/");
 504     Add("bin/bin1000", 1000);
 505     Add("bin/bin4095", 4095);
 506     Add("bin/bin4096", 4096);
 507     Add("bin/bin4097", 4097);
 508     Add("bin/bin16384", 16384);
 509
 510     Add("zero/");
 511     Add("zero/zero5", 5, 0);
 512     Add("zero/zero1024", 1024, 109);
 513     Add("zero/zero32768", 32768, 106);
 514     Add("zero/zero16385", 16385, 119);
 515
 516     Add("empty/");
 517 }
 518
 519 template <class ClassFactoryT>
 520 TestEntry& ArchiveTestCase<ClassFactoryT>::Add(const char *name,
 521                                                const char *data,
 522                                                int len /*=-1*/)
 523 {
 524     if (len == -1)
 525         len = strlen(data);
 526     TestEntry*& entry = m_testEntries[wxString(name, *wxConvCurrent)];
 527     wxASSERT(entry == NULL);
 528     entry = new TestEntry(m_timeStamp, len, data);
 529     m_timeStamp += wxTimeSpan(0, 1, 30);
 530     return *entry;
 531 }
 532
 533 template <class ClassFactoryT>
 534 TestEntry& ArchiveTestCase<ClassFactoryT>::Add(const char *name,
 535                                                int len /*=0*/,
 536                                                int value /*=EOF*/)
 537 {
 538     wxCharBuffer buf(len);
 539     for (int i = 0; i < len; i++)
 540         buf.data()[i] = (char)(value == EOF ? rand() : value);
 541     return Add(name, buf, len);
 542 }
 543
 544 // Create an archive using the wx archive classes, write it to 'out'
 545 //
 546 template <class ClassFactoryT>
 547 void ArchiveTestCase<ClassFactoryT>::CreateArchive(wxOutputStream& out)
 548 {
 549     auto_ptr<OutputStreamT> arc(m_factory->NewStream(out));
 550     TestEntries::iterator it;
 551
 552     OnCreateArchive(*arc);
 553
 554     // We want to try creating entries in various different ways, 'choices'
 555     // is just a number used to select between all the various possibilities.
 556     int choices = m_id;
 557
 558     for (it = m_testEntries.begin(); it != m_testEntries.end(); ++it) {
 559         choices += 5;
 560         TestEntry& testEntry = *it->second;
 561         wxString name = it->first;
 562
 563         // It should be possible to create a directory entry just by supplying
 564         // a name that looks like a directory, or alternatively any old name
 565         // can be identified as a directory using SetIsDir or PutNextDirEntry
 566         bool setIsDir = name.Last() == _T('/') && (choices & 1);
 567         if (setIsDir)
 568             name.erase(name.length() - 1);
 569
 570         // provide some context for the error message so that we know which
 571         // iteration of the loop we were on
 572         string error_entry((_T(" '") + name + _T("'")).mb_str());
 573         string error_context(" failed for entry" + error_entry);
 574
 575         if ((choices & 2) || testEntry.IsText()) {
 576             // try PutNextEntry(EntryT *pEntry)
 577             auto_ptr<EntryT> entry(m_factory->NewEntry());
 578             entry->SetName(name, wxPATH_UNIX);
 579             if (setIsDir)
 580                 entry->SetIsDir();
 581             entry->SetDateTime(testEntry.GetDateTime());
 582             entry->SetSize(testEntry.GetLength());
 583             OnCreateEntry(*arc, testEntry, entry.get());
 584             CPPUNIT_ASSERT_MESSAGE("PutNextEntry" + error_context,
 585                                    arc->PutNextEntry(entry.release()));
 586         }
 587         else {
 588             // try the convenience methods
 589             OnCreateEntry(*arc, testEntry);
 590             if (setIsDir)
 591                 CPPUNIT_ASSERT_MESSAGE("PutNextDirEntry" + error_context,
 592                     arc->PutNextDirEntry(name, testEntry.GetDateTime()));
 593             else
 594                 CPPUNIT_ASSERT_MESSAGE("PutNextEntry" + error_context,
 595                     arc->PutNextEntry(name, testEntry.GetDateTime(),
 596                                       testEntry.GetLength()));
 597         }
 598
 599         if (it->first.Last() != _T('/')) {
 600             // for non-dirs write the data
 601             arc->Write(testEntry.GetData(), testEntry.GetSize());
 602             CPPUNIT_ASSERT_MESSAGE("LastWrite check" + error_context,
 603                 arc->LastWrite() == testEntry.GetSize());
 604             // should work with or without explicit CloseEntry
 605             if (choices & 3)
 606                 CPPUNIT_ASSERT_MESSAGE("CloseEntry" + error_context,
 607                     arc->CloseEntry());
 608         }
 609
 610         CPPUNIT_ASSERT_MESSAGE("IsOk" + error_context, arc->IsOk());
 611     }
 612
 613     // should work with or without explicit Close
 614     if (m_id % 2)
 615         CPPUNIT_ASSERT(arc->Close());
 616 }
 617
 618 // Create an archive using an external archive program
 619 //
 620 template <class ClassFactoryT>
 621 void ArchiveTestCase<ClassFactoryT>::CreateArchive(wxOutputStream& out,
 622                                                    const wxString& archiver)
 623 {
 624     // for an external archiver the test data need to be written to
 625     // temp files
 626     TempDir tmpdir;
 627
 628     // write the files
 629     TestEntries::iterator i;
 630     for (i = m_testEntries.begin(); i != m_testEntries.end(); ++i) {
 631         wxFileName fn(i->first, wxPATH_UNIX);
 632         TestEntry& entry = *i->second;
 633
 634         if (fn.IsDir()) {
 635             fn.Mkdir(0777, wxPATH_MKDIR_FULL);
 636         } else {
 637             wxFileName::Mkdir(fn.GetPath(), 0777, wxPATH_MKDIR_FULL);
 638             wxFFileOutputStream fileout(fn.GetFullPath());
 639             fileout.Write(entry.GetData(), entry.GetSize());
 640         }
 641     }
 642
 643     for (i = m_testEntries.begin(); i != m_testEntries.end(); ++i) {
 644         wxFileName fn(i->first, wxPATH_UNIX);
 645         TestEntry& entry = *i->second;
 646         wxDateTime dt = entry.GetDateTime();
 647 #ifdef __WXMSW__
 648         if (fn.IsDir())
 649             entry.SetDateTime(wxDateTime());
 650         else
 651 #endif
 652             fn.SetTimes(NULL, &dt, NULL);
 653     }
 654
 655     if ((m_options & PipeOut) == 0) {
 656         wxFileName fn(tmpdir.GetName());
 657         fn.SetExt(_T("arc"));
 658         wxString tmparc = fn.GetPath(wxPATH_GET_SEPARATOR) + fn.GetFullName();
 659
 660         // call the archiver to create an archive file
 661         system(wxString::Format(archiver, tmparc.c_str()).mb_str());
 662
 663         // then load the archive file
 664         {
 665             wxFFileInputStream in(tmparc);
 666             if (in.Ok())
 667                 out.Write(in);
 668         }
 669
 670         wxRemoveFile(tmparc);
 671     }
 672     else {
 673         // for the non-seekable test, have the archiver output to "-"
 674         // and read the archive via a pipe
 675         PFileInputStream in(wxString::Format(archiver, _T("-")));
 676         if (in.Ok())
 677             out.Write(in);
 678     }
 679 }
 680
 681 // Do a standard set of modification on an archive, delete an entry,
 682 // rename an entry and add an entry
 683 //
 684 template <class ClassFactoryT>
 685 void ArchiveTestCase<ClassFactoryT>::ModifyArchive(wxInputStream& in,
 686                                                    wxOutputStream& out)
 687 {
 688     auto_ptr<InputStreamT> arcIn(m_factory->NewStream(in));
 689     auto_ptr<OutputStreamT> arcOut(m_factory->NewStream(out));
 690     EntryT *pEntry;
 691
 692     const wxString deleteName = _T("bin/bin1000");
 693     const wxString renameFrom = _T("zero/zero1024");
 694     const wxString renameTo   = _T("zero/newname");
 695     const wxString newName    = _T("newfile");
 696     const char *newData       = "New file added as a test\n";
 697
 698     arcOut->CopyArchiveMetaData(*arcIn);
 699
 700     while ((pEntry = arcIn->GetNextEntry()) != NULL) {
 701         auto_ptr<EntryT> entry(pEntry);
 702         OnSetNotifier(*entry);
 703         wxString name = entry->GetName(wxPATH_UNIX);
 704
 705         // provide some context for the error message so that we know which
 706         // iteration of the loop we were on
 707         string error_entry((_T(" '") + name + _T("'")).mb_str());
 708         string error_context(" failed for entry" + error_entry);
 709
 710         if (name == deleteName) {
 711             TestEntries::iterator it = m_testEntries.find(name);
 712             CPPUNIT_ASSERT_MESSAGE(
 713                 "deletion failed (already deleted?) for" + error_entry,
 714                 it != m_testEntries.end());
 715             TestEntry *p = it->second;
 716             m_testEntries.erase(it);
 717             delete p;
 718         }
 719         else {
 720             if (name == renameFrom) {
 721                 entry->SetName(renameTo);
 722                 TestEntries::iterator it = m_testEntries.find(renameFrom);
 723                 CPPUNIT_ASSERT_MESSAGE(
 724                     "rename failed (already renamed?) for" + error_entry,
 725                     it != m_testEntries.end());
 726                 TestEntry *p = it->second;
 727                 m_testEntries.erase(it);
 728                 m_testEntries[renameTo] = p;
 729             }
 730
 731             CPPUNIT_ASSERT_MESSAGE("CopyEntry" + error_context,
 732                 arcOut->CopyEntry(entry.release(), *arcIn));
 733         }
 734     }
 735
 736     // check that the deletion and rename were done
 737     CPPUNIT_ASSERT(m_testEntries.count(deleteName) == 0);
 738     CPPUNIT_ASSERT(m_testEntries.count(renameFrom) == 0);
 739     CPPUNIT_ASSERT(m_testEntries.count(renameTo) == 1);
 740
 741     // check that the end of the input archive was reached without error
 742     CPPUNIT_ASSERT(arcIn->Eof());
 743
 744     // try adding a new entry
 745     TestEntry& testEntry = Add(newName.mb_str(), newData);
 746     auto_ptr<EntryT> newentry(m_factory->NewEntry());
 747     newentry->SetName(newName);
 748     newentry->SetDateTime(testEntry.GetDateTime());
 749     newentry->SetSize(testEntry.GetLength());
 750     OnCreateEntry(*arcOut, testEntry, newentry.get());
 751     OnSetNotifier(*newentry);
 752     CPPUNIT_ASSERT(arcOut->PutNextEntry(newentry.release()));
 753     CPPUNIT_ASSERT(arcOut->Write(newData, strlen(newData)).IsOk());
 754
 755     // should work with or without explicit Close
 756     if (m_id % 2)
 757         CPPUNIT_ASSERT(arcOut->Close());
 758 }
 759
 760 // Extract an archive using the wx archive classes
 761 //
 762 template <class ClassFactoryT>
 763 void ArchiveTestCase<ClassFactoryT>::ExtractArchive(wxInputStream& in)
 764 {
 765     typedef Ptr<EntryT> EntryPtr;
 766     typedef std::list<EntryPtr> Entries;
 767     typedef typename Entries::iterator EntryIter;
 768
 769     auto_ptr<InputStreamT> arc(m_factory->NewStream(in));
 770     int expectedTotal = m_testEntries.size();
 771     EntryPtr entry;
 772     Entries entries;
 773
 774     if ((m_options & PipeIn) == 0)
 775         OnArchiveExtracted(*arc, expectedTotal);
 776
 777     while (entry = EntryPtr(arc->GetNextEntry()), entry.get() != NULL) {
 778         wxString name = entry->GetName(wxPATH_UNIX);
 779
 780         // provide some context for the error message so that we know which
 781         // iteration of the loop we were on
 782         string error_entry((_T(" '") + name + _T("'")).mb_str());
 783         string error_context(" failed for entry" + error_entry);
 784
 785         TestEntries::iterator it = m_testEntries.find(name);
 786         CPPUNIT_ASSERT_MESSAGE(
 787             "archive contains an entry that shouldn't be there" + error_entry,
 788             it != m_testEntries.end());
 789
 790         const TestEntry& testEntry = *it->second;
 791
 792         wxDateTime dt = testEntry.GetDateTime();
 793         if (dt.IsValid())
 794             CPPUNIT_ASSERT_MESSAGE("timestamp check" + error_context,
 795                                    dt == entry->GetDateTime());
 796
 797         // non-seekable entries are allowed to have GetSize == wxInvalidOffset
 798         // until the end of the entry's data has been read past
 799         CPPUNIT_ASSERT_MESSAGE("entry size check" + error_context,
 800             testEntry.GetLength() == entry->GetSize() ||
 801             ((m_options & PipeIn) != 0 && entry->GetSize() == wxInvalidOffset));
 802         CPPUNIT_ASSERT_MESSAGE(
 803             "arc->GetLength() == entry->GetSize()" + error_context,
 804             arc->GetLength() == entry->GetSize());
 805
 806         if (name.Last() != _T('/'))
 807         {
 808             CPPUNIT_ASSERT_MESSAGE("!IsDir" + error_context,
 809                 !entry->IsDir());
 810             wxCharBuffer buf(testEntry.GetSize() + 1);
 811             CPPUNIT_ASSERT_MESSAGE("Read until Eof" + error_context,
 812                 arc->Read(buf.data(), testEntry.GetSize() + 1).Eof());
 813             CPPUNIT_ASSERT_MESSAGE("LastRead check" + error_context,
 814                 arc->LastRead() == testEntry.GetSize());
 815             CPPUNIT_ASSERT_MESSAGE("data compare" + error_context,
 816                 !memcmp(buf.data(), testEntry.GetData(), testEntry.GetSize()));
 817         } else {
 818             CPPUNIT_ASSERT_MESSAGE("IsDir" + error_context, entry->IsDir());
 819         }
 820
 821         // GetSize() must return the right result in all cases after all the
 822         // data has been read
 823         CPPUNIT_ASSERT_MESSAGE("entry size check" + error_context,
 824             testEntry.GetLength() == entry->GetSize());
 825         CPPUNIT_ASSERT_MESSAGE(
 826             "arc->GetLength() == entry->GetSize()" + error_context,
 827             arc->GetLength() == entry->GetSize());
 828
 829         if ((m_options & PipeIn) == 0) {
 830             OnEntryExtracted(*entry, testEntry, arc.get());
 831             delete it->second;
 832             m_testEntries.erase(it);
 833         } else {
 834             entries.push_back(entry);
 835         }
 836     }
 837
 838     // check that the end of the input archive was reached without error
 839     CPPUNIT_ASSERT(arc->Eof());
 840
 841     // for non-seekable streams these data are only guaranteed to be
 842     // available once the end of the archive has been reached
 843     if (m_options & PipeIn) {
 844         for (EntryIter i = entries.begin(); i != entries.end(); ++i) {
 845             wxString name = (*i)->GetName(wxPATH_UNIX);
 846             TestEntries::iterator j = m_testEntries.find(name);
 847             OnEntryExtracted(**i, *j->second);
 848             delete j->second;
 849             m_testEntries.erase(j);
 850         }
 851         OnArchiveExtracted(*arc, expectedTotal);
 852     }
 853 }
 854
 855 // Extract an archive using an external unarchive program
 856 //
 857 template <class ClassFactoryT>
 858 void ArchiveTestCase<ClassFactoryT>::ExtractArchive(wxInputStream& in,
 859                                                     const wxString& unarchiver)
 860 {
 861     // for an external unarchiver, unarchive to a tempdir
 862     TempDir tmpdir;
 863
 864     if ((m_options & PipeIn) == 0) {
 865         wxFileName fn(tmpdir.GetName());
 866         fn.SetExt(_T("arc"));
 867         wxString tmparc = fn.GetPath(wxPATH_GET_SEPARATOR) + fn.GetFullName();
 868
 869         if (m_options & Stub)
 870             in.SeekI(STUB_SIZE * 2);
 871
 872         // write the archive to a temporary file
 873         {
 874             wxFFileOutputStream out(tmparc);
 875             if (out.Ok())
 876                 out.Write(in);
 877         }
 878
 879         // call unarchiver
 880         system(wxString::Format(unarchiver, tmparc.c_str()).mb_str());
 881         wxRemoveFile(tmparc);
 882     }
 883     else {
 884         // for the non-seekable test, have the archiver extract "-" and
 885         // feed it the archive via a pipe
 886         PFileOutputStream out(wxString::Format(unarchiver, _T("-")));
 887         if (out.Ok())
 888             out.Write(in);
 889     }
 890
 891     wxString dir = tmpdir.GetName();
 892     VerifyDir(dir);
 893 }
 894
 895 // Verifies the files produced by an external unarchiver are as expected
 896 //
 897 template <class ClassFactoryT>
 898 void ArchiveTestCase<ClassFactoryT>::VerifyDir(wxString& path,
 899                                                size_t rootlen /*=0*/)
 900 {
 901     wxDir dir;
 902     path += wxFileName::GetPathSeparator();
 903     int pos = path.length();
 904     wxString name;
 905
 906     if (!rootlen)
 907         rootlen = pos;
 908
 909     if (dir.Open(path) && dir.GetFirst(&name)) {
 910         do {
 911             path.replace(pos, wxString::npos, name);
 912             name = m_factory->GetInternalName(
 913                     path.substr(rootlen, wxString::npos));
 914
 915             bool isDir = wxDirExists(path);
 916             if (isDir)
 917                 name += _T("/");
 918
 919             // provide some context for the error message so that we know which
 920             // iteration of the loop we were on
 921             string error_entry((_T(" '") + name + _T("'")).mb_str());
 922             string error_context(" failed for entry" + error_entry);
 923
 924             TestEntries::iterator it = m_testEntries.find(name);
 925             CPPUNIT_ASSERT_MESSAGE(
 926                 "archive contains an entry that shouldn't be there"
 927                     + error_entry,
 928                 it != m_testEntries.end());
 929
 930             const TestEntry& testEntry = *it->second;
 931
 932 #ifndef __WXMSW__
 933             CPPUNIT_ASSERT_MESSAGE("timestamp check" + error_context,
 934                                    testEntry.GetDateTime() ==
 935                                    wxFileName(path).GetModificationTime());
 936 #endif
 937             if (!isDir) {
 938                 wxFFileInputStream in(path);
 939                 CPPUNIT_ASSERT_MESSAGE(
 940                     "entry not found in archive" + error_entry, in.Ok());
 941
 942                 size_t size = (size_t)in.GetLength();
 943                 wxCharBuffer buf(size);
 944                 CPPUNIT_ASSERT_MESSAGE("Read" + error_context,
 945                     in.Read(buf.data(), size).LastRead() == size);
 946                 CPPUNIT_ASSERT_MESSAGE("size check" + error_context,
 947                     testEntry.GetSize() == size);
 948                 CPPUNIT_ASSERT_MESSAGE("data compare" + error_context,
 949                     memcmp(buf.data(), testEntry.GetData(), size) == 0);
 950             }
 951             else {
 952                 VerifyDir(path, rootlen);
 953             }
 954
 955             delete it->second;
 956             m_testEntries.erase(it);
 957         }
 958         while (dir.GetNext(&name));
 959     }
 960 }
 961
 962 // test the simple iterators that give away ownership of an entry
 963 //
 964 template <class ClassFactoryT>
 965 void ArchiveTestCase<ClassFactoryT>::TestIterator(wxInputStream& in)
 966 {
 967     typedef std::list<EntryT*> ArchiveCatalog;
 968     typedef typename ArchiveCatalog::iterator CatalogIter;
 969
 970     auto_ptr<InputStreamT> arc(m_factory->NewStream(in));
 971     size_t count = 0;
 972
 973 #ifdef WXARC_MEMBER_TEMPLATES
 974     ArchiveCatalog cat((IterT)*arc, IterT());
 975 #else
 976     ArchiveCatalog cat;
 977     for (IterT i(*arc); i != IterT(); ++i)
 978         cat.push_back(*i);
 979 #endif
 980
 981     for (CatalogIter it = cat.begin(); it != cat.end(); ++it) {
 982         auto_ptr<EntryT> entry(*it);
 983         count += m_testEntries.count(entry->GetName(wxPATH_UNIX));
 984     }
 985
 986     CPPUNIT_ASSERT(m_testEntries.size() == cat.size());
 987     CPPUNIT_ASSERT(count == cat.size());
 988 }
 989
 990 // test the pair iterators that can be used to load a std::map or wxHashMap
 991 // these also give away ownership of entries
 992 //
 993 template <class ClassFactoryT>
 994 void ArchiveTestCase<ClassFactoryT>::TestPairIterator(wxInputStream& in)
 995 {
 996     typedef std::map<wxString, EntryT*> ArchiveCatalog;
 997     typedef typename ArchiveCatalog::iterator CatalogIter;
 998
 999     auto_ptr<InputStreamT> arc(m_factory->NewStream(in));
1000     size_t count = 0;
1001
1002 #ifdef WXARC_MEMBER_TEMPLATES
1003     ArchiveCatalog cat((PairIterT)*arc, PairIterT());
1004 #else
1005     ArchiveCatalog cat;
1006     for (PairIterT i(*arc); i != PairIterT(); ++i)
1007         cat.insert(*i);
1008 #endif
1009
1010     for (CatalogIter it = cat.begin(); it != cat.end(); ++it) {
1011         auto_ptr<EntryT> entry(it->second);
1012         count += m_testEntries.count(entry->GetName(wxPATH_UNIX));
1013     }
1014
1015     CPPUNIT_ASSERT(m_testEntries.size() == cat.size());
1016     CPPUNIT_ASSERT(count == cat.size());
1017 }
1018
1019 // simple iterators using smart pointers, no need to worry about ownership
1020 //
1021 template <class ClassFactoryT>
1022 void ArchiveTestCase<ClassFactoryT>::TestSmartIterator(wxInputStream& in)
1023 {
1024     typedef std::list<Ptr<EntryT> > ArchiveCatalog;
1025     typedef typename ArchiveCatalog::iterator CatalogIter;
1026     typedef wxArchiveIterator<InputStreamT, Ptr<EntryT> > Iter;
1027
1028     auto_ptr<InputStreamT> arc(m_factory->NewStream(in));
1029
1030 #ifdef WXARC_MEMBER_TEMPLATES
1031     ArchiveCatalog cat((Iter)*arc, Iter());
1032 #else
1033     ArchiveCatalog cat;
1034     for (Iter i(*arc); i != Iter(); ++i)
1035         cat.push_back(*i);
1036 #endif
1037
1038     CPPUNIT_ASSERT(m_testEntries.size() == cat.size());
1039
1040     for (CatalogIter it = cat.begin(); it != cat.end(); ++it)
1041         CPPUNIT_ASSERT(m_testEntries.count((*it)->GetName(wxPATH_UNIX)));
1042 }
1043
1044 // pair iterator using smart pointers
1045 //
1046 template <class ClassFactoryT>
1047 void ArchiveTestCase<ClassFactoryT>::TestSmartPairIterator(wxInputStream& in)
1048 {
1049 #if defined _MSC_VER && defined _MSC_VER < 1200
1050     // With VC++ 5.0 the '=' operator of std::pair breaks when the second
1051     // type is Ptr<EntryT>, so this iterator can't be made to work.
1052     (void)in;
1053 #else
1054     typedef std::map<wxString, Ptr<EntryT> > ArchiveCatalog;
1055     typedef typename ArchiveCatalog::iterator CatalogIter;
1056     typedef wxArchiveIterator<InputStreamT,
1057                 std::pair<wxString, Ptr<EntryT> > > PairIter;
1058
1059     auto_ptr<InputStreamT> arc(m_factory->NewStream(in));
1060
1061 #ifdef WXARC_MEMBER_TEMPLATES
1062     ArchiveCatalog cat((PairIter)*arc, PairIter());
1063 #else
1064     ArchiveCatalog cat;
1065     for (PairIter i(*arc); i != PairIter(); ++i)
1066         cat.insert(*i);
1067 #endif
1068
1069     CPPUNIT_ASSERT(m_testEntries.size() == cat.size());
1070
1071     for (CatalogIter it = cat.begin(); it != cat.end(); ++it)
1072         CPPUNIT_ASSERT(m_testEntries.count(it->second->GetName(wxPATH_UNIX)));
1073 #endif
1074 }
1075
1076 // try reading two entries at the same time
1077 //
1078 template <class ClassFactoryT>
1079 void ArchiveTestCase<ClassFactoryT>::ReadSimultaneous(TestInputStream& in)
1080 {
1081     typedef std::map<wxString, Ptr<EntryT> > ArchiveCatalog;
1082     typedef wxArchiveIterator<InputStreamT,
1083                 std::pair<wxString, Ptr<EntryT> > > PairIter;
1084
1085     // create two archive input streams
1086     TestInputStream in2(in);
1087     auto_ptr<InputStreamT> arc(m_factory->NewStream(in));
1088     auto_ptr<InputStreamT> arc2(m_factory->NewStream(in2));
1089
1090     // load the catalog
1091 #ifdef WXARC_MEMBER_TEMPLATES
1092     ArchiveCatalog cat((PairIter)*arc, PairIter());
1093 #else
1094     ArchiveCatalog cat;
1095     for (PairIter i(*arc); i != PairIter(); ++i)
1096         cat.insert(*i);
1097 #endif
1098
1099     // the names of two entries to read
1100     const wxChar *name = _T("text/small");
1101     const wxChar *name2 = _T("bin/bin1000");
1102
1103     // open them
1104     typename ArchiveCatalog::iterator j;
1105     CPPUNIT_ASSERT((j = cat.find(name)) != cat.end());
1106     CPPUNIT_ASSERT(arc->OpenEntry(*j->second));
1107     CPPUNIT_ASSERT((j = cat.find(name2)) != cat.end());
1108     CPPUNIT_ASSERT(arc2->OpenEntry(*j->second));
1109
1110     // get pointers to the expected data
1111     TestEntries::iterator k;
1112     CPPUNIT_ASSERT((k = m_testEntries.find(name)) != m_testEntries.end());
1113     TestEntry *entry = k->second;
1114     CPPUNIT_ASSERT((k = m_testEntries.find(name2)) != m_testEntries.end());
1115     TestEntry *entry2 = k->second;
1116
1117     size_t count = 0, count2 = 0;
1118     size_t size = entry->GetSize(), size2 = entry2->GetSize();
1119     const char *data = entry->GetData(), *data2 = entry2->GetData();
1120
1121     // read and check the two entries in parallel, character by character
1122     while (arc->IsOk() || arc2->IsOk()) {
1123         char ch = arc->GetC();
1124         if (arc->LastRead() == 1) {
1125             CPPUNIT_ASSERT(count < size);
1126             CPPUNIT_ASSERT(ch == data[count++]);
1127         }
1128         char ch2 = arc2->GetC();
1129         if (arc2->LastRead() == 1) {
1130             CPPUNIT_ASSERT(count2 < size2);
1131             CPPUNIT_ASSERT(ch2 == data2[count2++]);
1132         }
1133     }
1134
1135     CPPUNIT_ASSERT(arc->Eof());
1136     CPPUNIT_ASSERT(arc2->Eof());
1137     CPPUNIT_ASSERT(count == size);
1138     CPPUNIT_ASSERT(count2 == size2);
1139 }
1140
1141 // Nothing useful can be done with a generic notifier yet, so just test one
1142 // can be set
1143 //
1144 template <class NotifierT, class EntryT>
1145 class ArchiveNotifier : public NotifierT
1146 {
1147 public:
1148     void OnEntryUpdated(EntryT& WXUNUSED(entry)) { }
1149 };
1150
1151 template <class ClassFactoryT>
1152 void ArchiveTestCase<ClassFactoryT>::OnSetNotifier(EntryT& entry)
1153 {
1154     static ArchiveNotifier<NotifierT, EntryT> notifier;
1155     entry.SetNotifier(notifier);
1156 }
1157
1158
1159 ///////////////////////////////////////////////////////////////////////////////
1160 // Suite base
1161
1162 ArchiveTestSuite::ArchiveTestSuite(string name)
1163   : CppUnit::TestSuite("archive/" + name),
1164     m_id(0),
1165     m_name(name.c_str(), *wxConvCurrent)
1166 {
1167     m_name = _T("wx") + m_name.Left(1).Upper() + m_name.Mid(1).Lower();
1168     m_path.AddEnvList(_T("PATH"));
1169     m_archivers.push_back(_T(""));
1170     m_unarchivers.push_back(_T(""));
1171 }
1172
1173 // add the command for an external archiver to the list, testing for it in
1174 // the path first
1175 //
1176 void ArchiveTestSuite::AddCmd(wxArrayString& cmdlist, const wxString& cmd)
1177 {
1178     if (IsInPath(cmd))
1179         cmdlist.push_back(cmd);
1180 }
1181
1182 bool ArchiveTestSuite::IsInPath(const wxString& cmd)
1183 {
1184     wxString c = cmd.BeforeFirst(_T(' '));
1185 #ifdef __WXMSW__
1186     c += _T(".exe");
1187 #endif
1188     return !m_path.FindValidPath(c).empty();
1189 }
1190
1191 // make the test suite
1192 //
1193 ArchiveTestSuite *ArchiveTestSuite::makeSuite()
1194 {
1195     typedef wxArrayString::iterator Iter;
1196
1197     for (int generic = 0; generic < 2; generic++)
1198         for (Iter i = m_unarchivers.begin(); i != m_unarchivers.end(); ++i)
1199             for (Iter j = m_archivers.begin(); j != m_archivers.end(); ++j)
1200                 for (int options = 0; options <= AllOptions; options++)
1201                 {
1202 #ifdef WXARC_NO_POPEN
1203                     // if no popen then can't pipe in/out of archiver
1204                     if ((options & PipeIn) && !i->empty())
1205                         continue;
1206                     if ((options & PipeOut) && !j->empty())
1207                         continue;
1208 #endif
1209                     string descr = Description(m_name, options,
1210                                                generic != 0, *j, *i);
1211
1212                     CppUnit::Test *test = makeTest(descr, m_id, options,
1213                                                    generic != 0, *j, *i);
1214
1215                     if (test) {
1216                         addTest(test);
1217                         m_id++;
1218                     }
1219                 }
1220
1221     return this;
1222 }
1223
1224 CppUnit::Test *ArchiveTestSuite::makeTest(
1225     string WXUNUSED(descr),
1226     int WXUNUSED(id),
1227     int WXUNUSED(options),
1228     bool WXUNUSED(genericInterface),
1229     const wxString& WXUNUSED(archiver),
1230     const wxString& WXUNUSED(unarchiver))
1231 {
1232     return NULL;
1233 }
1234
1235 // make a display string for the option bits
1236 //
1237 string ArchiveTestSuite::Description(const wxString& type,
1238                                      int options,
1239                                      bool genericInterface,
1240                                      const wxString& archiver,
1241                                      const wxString& unarchiver)
1242 {
1243     wxString descr;
1244     descr << m_id << _T(" ");
1245
1246     if (genericInterface)
1247         descr << _T("wxArchive (") << type << _T(")");
1248     else
1249         descr << type;
1250
1251     if (!archiver.empty()) {
1252         const wxChar *fn = (options & PipeOut) != 0 ? _T("-") : _T("file");
1253         descr << _T(" (") << wxString::Format(archiver, fn) << _T(")");
1254     }
1255     if (!unarchiver.empty()) {
1256         const wxChar *fn = (options & PipeIn) != 0 ? _T("-") : _T("file");
1257         descr << _T(" (") << wxString::Format(unarchiver, fn) << _T(")");
1258     }
1259
1260     wxString optstr;
1261
1262     if ((options & PipeIn) != 0)
1263         optstr += _T("|PipeIn");
1264     if ((options & PipeOut) != 0)
1265         optstr += _T("|PipeOut");
1266     if ((options & Stub) != 0)
1267         optstr += _T("|Stub");
1268     if (!optstr.empty())
1269         optstr = _T(" (") + optstr.substr(1) + _T(")");
1270
1271     descr << optstr;
1272
1273     return (const char*)descr.mb_str();
1274 }
1275
1276
1277 ///////////////////////////////////////////////////////////////////////////////
1278 // Instantiations
1279
1280 template class ArchiveTestCase<wxArchiveClassFactory>;
1281
1282 #if wxUSE_ZIPSTREAM
1283 #include "wx/zipstrm.h"
1284 template class ArchiveTestCase<wxZipClassFactory>;
1285 #endif
1286
1287 #endif // wxUSE_STREAMS && wxUSE_ARCHIVE_STREAMS