///////////////////////////////////////////////////////////////////////////// // Name: samples/console/console.cpp // Purpose: a sample console (as opposed to GUI) progam using wxWindows // Author: Vadim Zeitlin // Modified by: // Created: 04.10.99 // RCS-ID: $Id$ // Copyright: (c) 1999 Vadim Zeitlin // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// // ============================================================================ // declarations // ============================================================================ // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- #include #include #include #include // ---------------------------------------------------------------------------- // conditional compilation // ---------------------------------------------------------------------------- // what to test? //#define TEST_ARRAYS //#define TEST_DIR //#define TEST_LOG //#define TEST_MIME //#define TEST_STRINGS //#define TEST_THREADS #define TEST_TIME //#define TEST_LONGLONG // ============================================================================ // implementation // ============================================================================ // ---------------------------------------------------------------------------- // wxDir // ---------------------------------------------------------------------------- #ifdef TEST_DIR #include static void TestDirEnumHelper(wxDir& dir, int flags = wxDIR_DEFAULT, const wxString& filespec = wxEmptyString) { wxString filename; if ( !dir.IsOpened() ) return; bool cont = dir.GetFirst(&filename, filespec, flags); while ( cont ) { printf("\t%s\n", filename.c_str()); cont = dir.GetNext(&filename); } puts(""); } static void TestDirEnum() { wxDir dir(wxGetCwd()); puts("Enumerating everything in current directory:"); TestDirEnumHelper(dir); puts("Enumerating really everything in current directory:"); TestDirEnumHelper(dir, wxDIR_DEFAULT | wxDIR_DOTDOT); puts("Enumerating object files in current directory:"); TestDirEnumHelper(dir, wxDIR_DEFAULT, "*.o"); puts("Enumerating directories in current directory:"); TestDirEnumHelper(dir, wxDIR_DIRS); puts("Enumerating files in current directory:"); TestDirEnumHelper(dir, wxDIR_FILES); puts("Enumerating files including hidden in current directory:"); TestDirEnumHelper(dir, wxDIR_FILES | wxDIR_HIDDEN); #ifdef __UNIX__ dir.Open("/"); #elif defined(__WXMSW__) dir.Open("c:\\"); #else #error "don't know where the root directory is" #endif puts("Enumerating everything in root directory:"); TestDirEnumHelper(dir, wxDIR_DEFAULT); puts("Enumerating directories in root directory:"); TestDirEnumHelper(dir, wxDIR_DIRS); puts("Enumerating files in root directory:"); TestDirEnumHelper(dir, wxDIR_FILES); puts("Enumerating files including hidden in root directory:"); TestDirEnumHelper(dir, wxDIR_FILES | wxDIR_HIDDEN); puts("Enumerating files in non existing directory:"); wxDir dirNo("nosuchdir"); TestDirEnumHelper(dirNo); } #endif // TEST_DIR // ---------------------------------------------------------------------------- // MIME types // ---------------------------------------------------------------------------- #ifdef TEST_MIME #include static void TestMimeEnum() { wxMimeTypesManager mimeTM; wxArrayString mimetypes; size_t count = mimeTM.EnumAllFileTypes(mimetypes); printf("*** All %u known filetypes: ***\n", count); wxArrayString exts; wxString desc; for ( size_t n = 0; n < count; n++ ) { wxFileType *filetype = mimeTM.GetFileTypeFromMimeType(mimetypes[n]); if ( !filetype ) { printf("nothing known about the filetype '%s'!\n", mimetypes[n].c_str()); continue; } filetype->GetDescription(&desc); filetype->GetExtensions(exts); filetype->GetIcon(NULL); wxString extsAll; for ( size_t e = 0; e < exts.GetCount(); e++ ) { if ( e > 0 ) extsAll << _T(", "); extsAll += exts[e]; } printf("\t%s: %s (%s)\n", mimetypes[n].c_str(), desc.c_str(), extsAll.c_str()); } } #endif // TEST_MIME // ---------------------------------------------------------------------------- // long long // ---------------------------------------------------------------------------- #ifdef TEST_LONGLONG #include #include static void TestSpeed() { static const long max = 100000000; long n; { wxStopWatch sw; long l = 0; for ( n = 0; n < max; n++ ) { l += n; } printf("Summing longs took %ld milliseconds.\n", sw.Time()); } { wxStopWatch sw; __int64 l = 0; for ( n = 0; n < max; n++ ) { l += n; } printf("Summing __int64s took %ld milliseconds.\n", sw.Time()); } { wxStopWatch sw; wxLongLong l; for ( n = 0; n < max; n++ ) { l += n; } printf("Summing wxLongLongs took %ld milliseconds.\n", sw.Time()); } } static void TestDivision() { #define MAKE_LL(x1, x2, x3, x4) wxLongLong((x1 << 16) | x2, (x3 << 16) | x3) // seed pseudo random generator //srand((unsigned)time(NULL)); size_t nTested = 0; for ( size_t n = 0; n < 10000; n++ ) { // get a random wxLongLong (shifting by 12 the MSB ensures that the // multiplication will not overflow) wxLongLong ll = MAKE_LL((rand() >> 12), rand(), rand(), rand()); wxASSERT( (ll * 1000l)/1000l == ll ); nTested++; } printf("\n*** Tested %u divisions/multiplications: ok\n", nTested); #undef MAKE_LL } #endif // TEST_LONGLONG // ---------------------------------------------------------------------------- // date time // ---------------------------------------------------------------------------- #ifdef TEST_TIME #include // the test data struct Date { wxDateTime::wxDateTime_t day; wxDateTime::Month month; int year; wxDateTime::wxDateTime_t hour, min, sec; double jdn; time_t gmticks, ticks; void Init(const wxDateTime::Tm& tm) { day = tm.mday; month = tm.mon; year = tm.year; hour = tm.hour; min = tm.min; sec = tm.sec; jdn = 0.0; gmticks = ticks = -1; } wxDateTime DT() const { return wxDateTime(day, month, year, hour, min, sec); } wxString Format() const { wxString s; s.Printf("%02d:%02d:%02d %10s %02d, %4d%s", hour, min, sec, wxDateTime::GetMonthName(month).c_str(), day, abs(wxDateTime::ConvertYearToBC(year)), year > 0 ? "AD" : "BC"); return s; } }; static const Date testDates[] = { { 1, wxDateTime::Jan, 1970, 00, 00, 00, 2440587.5, 0, -3600 }, { 21, wxDateTime::Jan, 2222, 00, 00, 00, 2532648.5, -1, -1 }, { 29, wxDateTime::May, 1976, 12, 00, 00, 2442928.0, 202219200, 202212000 }, { 29, wxDateTime::Feb, 1976, 00, 00, 00, 2442837.5, 194400000, 194396400 }, { 1, wxDateTime::Jan, 1900, 12, 00, 00, 2415021.0, -1, -1 }, { 1, wxDateTime::Jan, 1900, 00, 00, 00, 2415020.5, -1, -1 }, { 15, wxDateTime::Oct, 1582, 00, 00, 00, 2299160.5, -1, -1 }, { 4, wxDateTime::Oct, 1582, 00, 00, 00, 2299149.5, -1, -1 }, { 1, wxDateTime::Mar, 1, 00, 00, 00, 1721484.5, -1, -1 }, { 1, wxDateTime::Jan, 1, 00, 00, 00, 1721425.5, -1, -1 }, { 31, wxDateTime::Dec, 0, 00, 00, 00, 1721424.5, -1, -1 }, { 1, wxDateTime::Jan, 0, 00, 00, 00, 1721059.5, -1, -1 }, { 12, wxDateTime::Aug, -1234, 00, 00, 00, 1270573.5, -1, -1 }, { 12, wxDateTime::Aug, -4000, 00, 00, 00, 260313.5, -1, -1 }, { 24, wxDateTime::Nov, -4713, 00, 00, 00, -0.5, -1, -1 }, }; // this test miscellaneous static wxDateTime functions static void TestTimeStatic() { puts("\n*** wxDateTime static methods test ***"); // some info about the current date int year = wxDateTime::GetCurrentYear(); printf("Current year %d is %sa leap one and has %d days.\n", year, wxDateTime::IsLeapYear(year) ? "" : "not ", wxDateTime::GetNumberOfDays(year)); wxDateTime::Month month = wxDateTime::GetCurrentMonth(); printf("Current month is '%s' ('%s') and it has %d days\n", wxDateTime::GetMonthName(month, TRUE).c_str(), wxDateTime::GetMonthName(month).c_str(), wxDateTime::GetNumberOfDays(month)); // leap year logic static const size_t nYears = 5; static const size_t years[2][nYears] = { // first line: the years to test { 1990, 1976, 2000, 2030, 1984, }, // second line: TRUE if leap, FALSE otherwise { FALSE, TRUE, TRUE, FALSE, TRUE } }; for ( size_t n = 0; n < nYears; n++ ) { int year = years[0][n]; bool should = years[1][n] != 0; printf("Year %d is %sa leap year (should be: %s)\n", year, wxDateTime::IsLeapYear(year) ? "" : "not ", should ? "yes" : "no"); wxASSERT( should == wxDateTime::IsLeapYear(year) ); } } // test constructing wxDateTime objects static void TestTimeSet() { puts("\n*** wxDateTime construction test ***"); for ( size_t n = 0; n < WXSIZEOF(testDates); n++ ) { const Date& d1 = testDates[n]; wxDateTime dt = d1.DT(); Date d2; d2.Init(dt.GetTm()); wxString s1 = d1.Format(), s2 = d2.Format(); printf("Date: %s == %s (%s)\n", s1.c_str(), s2.c_str(), s1 == s2 ? "ok" : "ERROR"); } } // test time zones stuff static void TestTimeZones() { puts("\n*** wxDateTime timezone test ***"); wxDateTime now = wxDateTime::Now(); printf("Current GMT time:\t%s\n", now.Format("%c", wxDateTime::GMT0).c_str()); printf("Unix epoch (GMT):\t%s\n", wxDateTime((time_t)0).Format("%c", wxDateTime::GMT0).c_str()); printf("Unix epoch (EST):\t%s\n", wxDateTime((time_t)0).Format("%c", wxDateTime::EST).c_str()); printf("Current time in Paris:\t%s\n", now.Format("%c", wxDateTime::CET).c_str()); printf(" Moscow:\t%s\n", now.Format("%c", wxDateTime::MSK).c_str()); printf(" New York:\t%s\n", now.Format("%c", wxDateTime::EST).c_str()); } // test some minimal support for the dates outside the standard range static void TestTimeRange() { puts("\n*** wxDateTime out-of-standard-range dates test ***"); printf("Unix epoch:\t%s\n", wxDateTime(2440587.5).Format().c_str()); printf("Feb 29, 0: \t%s\n", wxDateTime(29, wxDateTime::Feb, 0).Format().c_str()); printf("JDN 0: \t%s\n", wxDateTime(0.0).Format().c_str()); printf("Jan 1, 1AD:\t%s\n", wxDateTime(1, wxDateTime::Jan, 1).Format().c_str()); printf("May 29, 2099:\t%s\n", wxDateTime(29, wxDateTime::May, 2099).Format().c_str()); } static void TestTimeTicks() { puts("\n*** wxDateTime ticks test ***"); for ( size_t n = 0; n < WXSIZEOF(testDates); n++ ) { const Date& d = testDates[n]; if ( d.ticks == -1 ) continue; wxDateTime dt = d.DT(); long ticks = (dt.GetValue() / 1000).ToLong(); printf("Ticks of %s:\t% 10ld", d.Format().c_str(), ticks); if ( ticks == d.ticks ) { puts(" (ok)"); } else { printf(" (ERROR: should be %ld, delta = %ld)\n", d.ticks, ticks - d.ticks); } dt = d.DT().ToTimezone(wxDateTime::GMT0); ticks = (dt.GetValue() / 1000).ToLong(); printf("GMtks of %s:\t% 10ld", d.Format().c_str(), ticks); if ( ticks == d.gmticks ) { puts(" (ok)"); } else { printf(" (ERROR: should be %ld, delta = %ld)\n", d.gmticks, ticks - d.gmticks); } } puts(""); } // test conversions to JDN &c static void TestTimeJDN() { puts("\n*** wxDateTime to JDN test ***"); for ( size_t n = 0; n < WXSIZEOF(testDates); n++ ) { const Date& d = testDates[n]; wxDateTime dt(d.day, d.month, d.year, d.hour, d.min, d.sec); double jdn = dt.GetJulianDayNumber(); printf("JDN of %s is:\t% 15.6f", d.Format().c_str(), jdn); if ( jdn == d.jdn ) { puts(" (ok)"); } else { printf(" (ERROR: should be %f, delta = %f)\n", d.jdn, jdn - d.jdn); } } } #endif // TEST_TIME // ---------------------------------------------------------------------------- // threads // ---------------------------------------------------------------------------- #ifdef TEST_THREADS #include static size_t gs_counter = (size_t)-1; static wxCriticalSection gs_critsect; static wxCondition gs_cond; class MyJoinableThread : public wxThread { public: MyJoinableThread(size_t n) : wxThread(wxTHREAD_JOINABLE) { m_n = n; Create(); } // thread execution starts here virtual ExitCode Entry(); private: size_t m_n; }; wxThread::ExitCode MyJoinableThread::Entry() { unsigned long res = 1; for ( size_t n = 1; n < m_n; n++ ) { res *= n; // it's a loooong calculation :-) Sleep(100); } return (ExitCode)res; } class MyDetachedThread : public wxThread { public: MyDetachedThread(size_t n, char ch) { m_n = n; m_ch = ch; m_cancelled = FALSE; Create(); } // thread execution starts here virtual ExitCode Entry(); // and stops here virtual void OnExit(); private: size_t m_n; // number of characters to write char m_ch; // character to write bool m_cancelled; // FALSE if we exit normally }; wxThread::ExitCode MyDetachedThread::Entry() { { wxCriticalSectionLocker lock(gs_critsect); if ( gs_counter == (size_t)-1 ) gs_counter = 1; else gs_counter++; } for ( size_t n = 0; n < m_n; n++ ) { if ( TestDestroy() ) { m_cancelled = TRUE; break; } putchar(m_ch); fflush(stdout); wxThread::Sleep(100); } return 0; } void MyDetachedThread::OnExit() { wxLogTrace("thread", "Thread %ld is in OnExit", GetId()); wxCriticalSectionLocker lock(gs_critsect); if ( !--gs_counter && !m_cancelled ) gs_cond.Signal(); } void TestDetachedThreads() { puts("\n*** Testing detached threads ***"); static const size_t nThreads = 3; MyDetachedThread *threads[nThreads]; size_t n; for ( n = 0; n < nThreads; n++ ) { threads[n] = new MyDetachedThread(10, 'A' + n); } threads[0]->SetPriority(WXTHREAD_MIN_PRIORITY); threads[1]->SetPriority(WXTHREAD_MAX_PRIORITY); for ( n = 0; n < nThreads; n++ ) { threads[n]->Run(); } // wait until all threads terminate gs_cond.Wait(); puts(""); } void TestJoinableThreads() { puts("\n*** Testing a joinable thread (a loooong calculation...) ***"); // calc 10! in the background MyJoinableThread thread(10); thread.Run(); printf("\nThread terminated with exit code %lu.\n", (unsigned long)thread.Wait()); } void TestThreadSuspend() { puts("\n*** Testing thread suspend/resume functions ***"); MyDetachedThread *thread = new MyDetachedThread(15, 'X'); thread->Run(); // this is for this demo only, in a real life program we'd use another // condition variable which would be signaled from wxThread::Entry() to // tell us that the thread really started running - but here just wait a // bit and hope that it will be enough (the problem is, of course, that // the thread might still not run when we call Pause() which will result // in an error) wxThread::Sleep(300); for ( size_t n = 0; n < 3; n++ ) { thread->Pause(); puts("\nThread suspended"); if ( n > 0 ) { // don't sleep but resume immediately the first time wxThread::Sleep(300); } puts("Going to resume the thread"); thread->Resume(); } puts("Waiting until it terminates now"); // wait until the thread terminates gs_cond.Wait(); puts(""); } void TestThreadDelete() { // As above, using Sleep() is only for testing here - we must use some // synchronisation object instead to ensure that the thread is still // running when we delete it - deleting a detached thread which already // terminated will lead to a crash! puts("\n*** Testing thread delete function ***"); MyDetachedThread *thread0 = new MyDetachedThread(30, 'W'); thread0->Delete(); puts("\nDeleted a thread which didn't start to run yet."); MyDetachedThread *thread1 = new MyDetachedThread(30, 'Y'); thread1->Run(); wxThread::Sleep(300); thread1->Delete(); puts("\nDeleted a running thread."); MyDetachedThread *thread2 = new MyDetachedThread(30, 'Z'); thread2->Run(); wxThread::Sleep(300); thread2->Pause(); thread2->Delete(); puts("\nDeleted a sleeping thread."); MyJoinableThread thread3(20); thread3.Run(); thread3.Delete(); puts("\nDeleted a joinable thread."); MyJoinableThread thread4(2); thread4.Run(); wxThread::Sleep(300); thread4.Delete(); puts("\nDeleted a joinable thread which already terminated."); puts(""); } #endif // TEST_THREADS // ---------------------------------------------------------------------------- // arrays // ---------------------------------------------------------------------------- #ifdef TEST_ARRAYS void PrintArray(const char* name, const wxArrayString& array) { printf("Dump of the array '%s'\n", name); size_t nCount = array.GetCount(); for ( size_t n = 0; n < nCount; n++ ) { printf("\t%s[%u] = '%s'\n", name, n, array[n].c_str()); } } #endif // TEST_ARRAYS // ---------------------------------------------------------------------------- // strings // ---------------------------------------------------------------------------- #ifdef TEST_STRINGS #include "wx/timer.h" static void TestString() { wxStopWatch sw; wxString a, b, c; a.reserve (128); b.reserve (128); c.reserve (128); for (int i = 0; i < 1000000; ++i) { a = "Hello"; b = " world"; c = "! How'ya doin'?"; a += b; a += c; c = "Hello world! What's up?"; if (c != a) c = "Doh!"; } printf ("TestString elapsed time: %ld\n", sw.Time()); } static void TestPChar() { wxStopWatch sw; char a [128]; char b [128]; char c [128]; for (int i = 0; i < 1000000; ++i) { strcpy (a, "Hello"); strcpy (b, " world"); strcpy (c, "! How'ya doin'?"); strcat (a, b); strcat (a, c); strcpy (c, "Hello world! What's up?"); if (strcmp (c, a) == 0) strcpy (c, "Doh!"); } printf ("TestPChar elapsed time: %ld\n", sw.Time()); } static void TestStringSub() { wxString s("Hello, world!"); puts("*** Testing wxString substring extraction ***"); printf("String = '%s'\n", s.c_str()); printf("Left(5) = '%s'\n", s.Left(5).c_str()); printf("Right(6) = '%s'\n", s.Right(6).c_str()); printf("Mid(3, 5) = '%s'\n", s(3, 5).c_str()); printf("Mid(3) = '%s'\n", s.Mid(3).c_str()); printf("substr(3, 5) = '%s'\n", s.substr(3, 5).c_str()); printf("substr(3) = '%s'\n", s.substr(3).c_str()); puts(""); } #endif // TEST_STRINGS // ---------------------------------------------------------------------------- // entry point // ---------------------------------------------------------------------------- int main(int argc, char **argv) { if ( !wxInitialize() ) { fprintf(stderr, "Failed to initialize the wxWindows library, aborting."); } #ifdef TEST_STRINGS if ( 0 ) { TestPChar(); TestString(); } TestStringSub(); #endif // TEST_STRINGS #ifdef TEST_ARRAYS wxArrayString a1; a1.Add("tiger"); a1.Add("cat"); a1.Add("lion"); a1.Add("dog"); a1.Add("human"); a1.Add("ape"); puts("*** Initially:"); PrintArray("a1", a1); wxArrayString a2(a1); PrintArray("a2", a2); wxSortedArrayString a3(a1); PrintArray("a3", a3); puts("*** After deleting a string from a1"); a1.Remove(2); PrintArray("a1", a1); PrintArray("a2", a2); PrintArray("a3", a3); puts("*** After reassigning a1 to a2 and a3"); a3 = a2 = a1; PrintArray("a2", a2); PrintArray("a3", a3); #endif // TEST_ARRAYS #ifdef TEST_DIR TestDirEnum(); #endif // TEST_DIR #ifdef TEST_LOG wxString s; for ( size_t n = 0; n < 8000; n++ ) { s << (char)('A' + (n % 26)); } wxString msg; msg.Printf("A very very long message: '%s', the end!\n", s.c_str()); // this one shouldn't be truncated printf(msg); // but this one will because log functions use fixed size buffer // (note that it doesn't need '\n' at the end neither - will be added // by wxLog anyhow) wxLogMessage("A very very long message 2: '%s', the end!", s.c_str()); #endif // TEST_LOG #ifdef TEST_THREADS int nCPUs = wxThread::GetCPUCount(); printf("This system has %d CPUs\n", nCPUs); if ( nCPUs != -1 ) wxThread::SetConcurrency(nCPUs); if ( argc > 1 && argv[1][0] == 't' ) wxLog::AddTraceMask("thread"); if ( 1 ) TestDetachedThreads(); if ( 1 ) TestJoinableThreads(); if ( 1 ) TestThreadSuspend(); if ( 1 ) TestThreadDelete(); #endif // TEST_THREADS #ifdef TEST_LONGLONG if ( 0 ) TestSpeed(); if ( 1 ) TestDivision(); #endif // TEST_LONGLONG #ifdef TEST_MIME TestMimeEnum(); #endif // TEST_MIME #ifdef TEST_TIME TestTimeSet(); if ( 0 ) { TestTimeStatic(); TestTimeZones(); TestTimeRange(); TestTimeTicks(); } TestTimeJDN(); #endif // TEST_TIME wxUninitialize(); return 0; }