tests/datetime/datetimetest.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/datetime/datetime.cpp
   3 // Purpose:     wxDateTime unit test
   4 // Author:      Vadim Zeitlin
   5 // Created:     2004-06-23 (extracted from samples/console/console.cpp)
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2004 Vadim Zeitlin <vadim@wxwindows.org>
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 #include "testprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #ifndef WX_PRECOMP
  21 #endif // WX_PRECOMP
  22
  23 #if wxUSE_DATETIME
  24
  25 #include "wx/datetime.h"
  26 #include "wx/wxcrt.h"       // for wxStrstr()
  27
  28 // need this to be able to use CPPUNIT_ASSERT_EQUAL with wxDateTime objects
  29 static std::ostream& operator<<(std::ostream& ostr, const wxDateTime& dt)
  30 {
  31     ostr << dt.FormatISOCombined(' ');
  32
  33     return ostr;
  34 }
  35
  36 WX_CPPUNIT_ALLOW_EQUALS_TO_INT(wxDateTime::wxDateTime_t)
  37
  38 // to test Today() meaningfully we must be able to change the system date which
  39 // is not usually the case, but if we're under Win32 we can try it -- define
  40 // the macro below to do it
  41 //#define CHANGE_SYSTEM_DATE
  42
  43 #ifndef __WINDOWS__
  44     #undef CHANGE_SYSTEM_DATE
  45 #endif
  46
  47 #ifdef CHANGE_SYSTEM_DATE
  48
  49 class DateChanger
  50 {
  51 public:
  52     DateChanger(int year, int month, int day, int hour, int min, int sec)
  53     {
  54         SYSTEMTIME st;
  55         st.wDay = day;
  56         st.wMonth = month;
  57         st.wYear = year;
  58         st.wHour = hour;
  59         st.wMinute = min;
  60         st.wSecond = sec;
  61         st.wMilliseconds = 0;
  62
  63         ::GetSystemTime(&m_savedTime);
  64         ::GetTimeZoneInformation(&m_tzi);
  65
  66         m_changed = ::SetSystemTime(&st) != 0;
  67     }
  68
  69     ~DateChanger()
  70     {
  71         if ( m_changed )
  72         {
  73             ::SetSystemTime(&m_savedTime);
  74             ::SetTimeZoneInformation(&m_tzi);
  75         }
  76     }
  77
  78 private:
  79     SYSTEMTIME m_savedTime;
  80     TIME_ZONE_INFORMATION m_tzi;
  81     bool m_changed;
  82 };
  83
  84 #endif // CHANGE_SYSTEM_DATE
  85
  86 // helper function translating week day/month names from English to the current
  87 // locale
  88 static wxString TranslateDate(const wxString& str)
  89 {
  90     // small optimization: if there are no alphabetic characters in the string,
  91     // there is nothing to translate
  92     wxString::const_iterator i, end = str.end();
  93     for ( i = str.begin(); i != end; ++i )
  94     {
  95         if ( isalpha(*i) )
  96             break;
  97     }
  98
  99     if ( i == end )
 100         return str;
 101
 102     wxString trans(str);
 103
 104     for ( wxDateTime::WeekDay wd = wxDateTime::Sun;
 105           wd < wxDateTime::Inv_WeekDay;
 106           wxNextWDay(wd) )
 107     {
 108         trans.Replace
 109               (
 110                 wxDateTime::GetEnglishWeekDayName(wd, wxDateTime::Name_Abbr),
 111                 wxDateTime::GetWeekDayName(wd, wxDateTime::Name_Abbr)
 112               );
 113     }
 114
 115     for ( wxDateTime::Month mon = wxDateTime::Jan;
 116           mon < wxDateTime::Inv_Month;
 117           wxNextMonth(mon) )
 118     {
 119         trans.Replace
 120               (
 121                 wxDateTime::GetEnglishMonthName(mon, wxDateTime::Name_Abbr),
 122                 wxDateTime::GetMonthName(mon, wxDateTime::Name_Abbr)
 123               );
 124     }
 125
 126     return trans;
 127 }
 128
 129 // ----------------------------------------------------------------------------
 130 // broken down date representation used for testing
 131 // ----------------------------------------------------------------------------
 132
 133 struct Date
 134 {
 135     wxDateTime::wxDateTime_t day;
 136     wxDateTime::Month month;
 137     int year;
 138     wxDateTime::wxDateTime_t hour, min, sec;
 139     double jdn;
 140     wxDateTime::WeekDay wday;
 141     time_t gmticks;
 142
 143     void Init(const wxDateTime::Tm& tm)
 144     {
 145         day = tm.mday;
 146         month = tm.mon;
 147         year = tm.year;
 148         hour = tm.hour;
 149         min = tm.min;
 150         sec = tm.sec;
 151         jdn = 0.0;
 152         gmticks = -1;
 153     }
 154
 155     wxDateTime DT() const
 156         { return wxDateTime(day, month, year, hour, min, sec); }
 157
 158     bool SameDay(const wxDateTime::Tm& tm) const
 159     {
 160         return day == tm.mday && month == tm.mon && year == tm.year;
 161     }
 162
 163     wxString Format() const
 164     {
 165         wxString s;
 166         s.Printf(wxT("%02d:%02d:%02d %10s %02d, %4d%s"),
 167                  hour, min, sec,
 168                  wxDateTime::GetMonthName(month).c_str(),
 169                  day,
 170                  abs(wxDateTime::ConvertYearToBC(year)),
 171                  year > 0 ? wxT("AD") : wxT("BC"));
 172         return s;
 173     }
 174
 175     wxString FormatDate() const
 176     {
 177         wxString s;
 178         s.Printf(wxT("%02d-%s-%4d%s"),
 179                  day,
 180                  wxDateTime::GetMonthName(month, wxDateTime::Name_Abbr).c_str(),
 181                  abs(wxDateTime::ConvertYearToBC(year)),
 182                  year > 0 ? wxT("AD") : wxT("BC"));
 183         return s;
 184     }
 185 };
 186
 187 // ----------------------------------------------------------------------------
 188 // test data
 189 // ----------------------------------------------------------------------------
 190
 191 static const Date testDates[] =
 192 {
 193     {  1, wxDateTime::Jan,  1970, 00, 00, 00, 2440587.5, wxDateTime::Thu,         0 },
 194     {  7, wxDateTime::Feb,  2036, 00, 00, 00, 2464730.5, wxDateTime::Thu,        -1 },
 195     {  8, wxDateTime::Feb,  2036, 00, 00, 00, 2464731.5, wxDateTime::Fri,        -1 },
 196     {  1, wxDateTime::Jan,  2037, 00, 00, 00, 2465059.5, wxDateTime::Thu,        -1 },
 197     {  1, wxDateTime::Jan,  2038, 00, 00, 00, 2465424.5, wxDateTime::Fri,        -1 },
 198     { 21, wxDateTime::Jan,  2222, 00, 00, 00, 2532648.5, wxDateTime::Mon,        -1 },
 199     { 29, wxDateTime::May,  1976, 12, 00, 00, 2442928.0, wxDateTime::Sat, 202219200 },
 200     { 29, wxDateTime::Feb,  1976, 00, 00, 00, 2442837.5, wxDateTime::Sun, 194400000 },
 201     {  1, wxDateTime::Jan,  1900, 12, 00, 00, 2415021.0, wxDateTime::Mon,        -1 },
 202     {  1, wxDateTime::Jan,  1900, 00, 00, 00, 2415020.5, wxDateTime::Mon,        -1 },
 203     { 15, wxDateTime::Oct,  1582, 00, 00, 00, 2299160.5, wxDateTime::Fri,        -1 },
 204     {  4, wxDateTime::Oct,  1582, 00, 00, 00, 2299149.5, wxDateTime::Mon,        -1 },
 205     {  1, wxDateTime::Mar,     1, 00, 00, 00, 1721484.5, wxDateTime::Thu,        -1 },
 206     {  1, wxDateTime::Jan,     1, 00, 00, 00, 1721425.5, wxDateTime::Mon,        -1 },
 207     { 31, wxDateTime::Dec,     0, 00, 00, 00, 1721424.5, wxDateTime::Sun,        -1 },
 208     {  1, wxDateTime::Jan,     0, 00, 00, 00, 1721059.5, wxDateTime::Sat,        -1 },
 209     { 12, wxDateTime::Aug, -1234, 00, 00, 00, 1270573.5, wxDateTime::Fri,        -1 },
 210     { 12, wxDateTime::Aug, -4000, 00, 00, 00,  260313.5, wxDateTime::Sat,        -1 },
 211     { 24, wxDateTime::Nov, -4713, 00, 00, 00,      -0.5, wxDateTime::Mon,        -1 },
 212 };
 213
 214
 215 // ----------------------------------------------------------------------------
 216 // test class
 217 // ----------------------------------------------------------------------------
 218
 219 class DateTimeTestCase : public CppUnit::TestCase
 220 {
 221 public:
 222     DateTimeTestCase() { }
 223
 224 private:
 225     CPPUNIT_TEST_SUITE( DateTimeTestCase );
 226         CPPUNIT_TEST( TestLeapYears );
 227         CPPUNIT_TEST( TestTimeSet );
 228         CPPUNIT_TEST( TestTimeJDN );
 229         CPPUNIT_TEST( TestTimeWNumber );
 230         CPPUNIT_TEST( TestTimeWDays );
 231         CPPUNIT_TEST( TestTimeDST );
 232         CPPUNIT_TEST( TestTimeFormat );
 233         CPPUNIT_TEST( TestTimeSpanFormat );
 234         CPPUNIT_TEST( TestTimeTicks );
 235         CPPUNIT_TEST( TestParceRFC822 );
 236         CPPUNIT_TEST( TestDateParse );
 237         CPPUNIT_TEST( TestDateParseISO );
 238         CPPUNIT_TEST( TestDateTimeParse );
 239         CPPUNIT_TEST( TestTimeArithmetics );
 240         CPPUNIT_TEST( TestDSTBug );
 241         CPPUNIT_TEST( TestDateOnly );
 242     CPPUNIT_TEST_SUITE_END();
 243
 244     void TestLeapYears();
 245     void TestTimeSet();
 246     void TestTimeJDN();
 247     void TestTimeWNumber();
 248     void TestTimeWDays();
 249     void TestTimeDST();
 250     void TestTimeFormat();
 251     void TestTimeSpanFormat();
 252     void TestTimeTicks();
 253     void TestParceRFC822();
 254     void TestDateParse();
 255     void TestDateParseISO();
 256     void TestDateTimeParse();
 257     void TestTimeArithmetics();
 258     void TestDSTBug();
 259     void TestDateOnly();
 260
 261     DECLARE_NO_COPY_CLASS(DateTimeTestCase)
 262 };
 263
 264 // register in the unnamed registry so that these tests are run by default
 265 CPPUNIT_TEST_SUITE_REGISTRATION( DateTimeTestCase );
 266
 267 // also include in it's own registry so that these tests can be run alone
 268 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( DateTimeTestCase, "DateTimeTestCase" );
 269
 270 // ============================================================================
 271 // implementation
 272 // ============================================================================
 273
 274 // test leap years detection
 275 void DateTimeTestCase::TestLeapYears()
 276 {
 277     static const struct LeapYearTestData
 278     {
 279         int year;
 280         bool isLeap;
 281     } years[] =
 282     {
 283         { 1900, false },
 284         { 1990, false },
 285         { 1976, true },
 286         { 2000, true },
 287         { 2030, false },
 288         { 1984, true },
 289         { 2100, false },
 290         { 2400, true },
 291     };
 292
 293     for ( size_t n = 0; n < WXSIZEOF(years); n++ )
 294     {
 295         const LeapYearTestData& y = years[n];
 296
 297         CPPUNIT_ASSERT_EQUAL( y.isLeap, wxDateTime::IsLeapYear(y.year) );
 298     }
 299 }
 300
 301 // test constructing wxDateTime objects
 302 void DateTimeTestCase::TestTimeSet()
 303 {
 304     for ( size_t n = 0; n < WXSIZEOF(testDates); n++ )
 305     {
 306         const Date& d1 = testDates[n];
 307         wxDateTime dt = d1.DT();
 308
 309         Date d2;
 310         d2.Init(dt.GetTm());
 311
 312         wxString s1 = d1.Format(),
 313                  s2 = d2.Format();
 314
 315         CPPUNIT_ASSERT_EQUAL( s1, s2 );
 316     }
 317 }
 318
 319 // test conversions to JDN &c
 320 void DateTimeTestCase::TestTimeJDN()
 321 {
 322     for ( size_t n = 0; n < WXSIZEOF(testDates); n++ )
 323     {
 324         const Date& d = testDates[n];
 325         wxDateTime dt(d.day, d.month, d.year, d.hour, d.min, d.sec);
 326
 327         // JDNs must be computed for UTC times
 328         double jdn = dt.FromUTC().GetJulianDayNumber();
 329
 330         CPPUNIT_ASSERT_EQUAL( d.jdn, jdn );
 331
 332         dt.Set(jdn);
 333         CPPUNIT_ASSERT_EQUAL( jdn, dt.GetJulianDayNumber() );
 334     }
 335 }
 336
 337 // test week days computation
 338 void DateTimeTestCase::TestTimeWDays()
 339 {
 340     // test GetWeekDay()
 341     size_t n;
 342     for ( n = 0; n < WXSIZEOF(testDates); n++ )
 343     {
 344         const Date& d = testDates[n];
 345         wxDateTime dt(d.day, d.month, d.year, d.hour, d.min, d.sec);
 346
 347         wxDateTime::WeekDay wday = dt.GetWeekDay();
 348         CPPUNIT_ASSERT_EQUAL( d.wday, wday );
 349     }
 350
 351     // test SetToWeekDay()
 352     struct WeekDateTestData
 353     {
 354         Date date;                  // the real date (precomputed)
 355         int nWeek;                  // its week index in the month
 356         wxDateTime::WeekDay wday;   // the weekday
 357         wxDateTime::Month month;    // the month
 358         int year;                   // and the year
 359
 360         wxString Format() const
 361         {
 362             wxString s, which;
 363             switch ( nWeek < -1 ? -nWeek : nWeek )
 364             {
 365                 case 1: which = wxT("first"); break;
 366                 case 2: which = wxT("second"); break;
 367                 case 3: which = wxT("third"); break;
 368                 case 4: which = wxT("fourth"); break;
 369                 case 5: which = wxT("fifth"); break;
 370
 371                 case -1: which = wxT("last"); break;
 372             }
 373
 374             if ( nWeek < -1 )
 375             {
 376                 which += wxT(" from end");
 377             }
 378
 379             s.Printf(wxT("The %s %s of %s in %d"),
 380                      which.c_str(),
 381                      wxDateTime::GetWeekDayName(wday).c_str(),
 382                      wxDateTime::GetMonthName(month).c_str(),
 383                      year);
 384
 385             return s;
 386         }
 387     };
 388
 389     // the array data was generated by the following python program
 390     /*
 391 from DateTime import *
 392 from whrandom import *
 393 from string import *
 394
 395 monthNames = [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ]
 396 wdayNames = [ 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun' ]
 397
 398 week = DateTimeDelta(7)
 399
 400 for n in range(20):
 401     year = randint(1900, 2100)
 402     month = randint(1, 12)
 403     day = randint(1, 28)
 404     dt = DateTime(year, month, day)
 405     wday = dt.day_of_week
 406
 407     countFromEnd = choice([-1, 1])
 408     weekNum = 0;
 409
 410     while dt.month is month:
 411         dt = dt - countFromEnd * week
 412         weekNum = weekNum + countFromEnd
 413
 414     data = { 'day': rjust(`day`, 2), 'month': monthNames[month - 1], 'year': year, 'weekNum': rjust(`weekNum`, 2), 'wday': wdayNames[wday] }
 415
 416     print "{ { %(day)s, wxDateTime::%(month)s, %(year)d }, %(weekNum)d, "\
 417           "wxDateTime::%(wday)s, wxDateTime::%(month)s, %(year)d }," % data
 418     */
 419
 420     static const WeekDateTestData weekDatesTestData[] =
 421     {
 422         { { 20, wxDateTime::Mar, 2045, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  3, wxDateTime::Mon, wxDateTime::Mar, 2045 },
 423         { {  5, wxDateTime::Jun, 1985, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, -4, wxDateTime::Wed, wxDateTime::Jun, 1985 },
 424         { { 12, wxDateTime::Nov, 1961, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, -3, wxDateTime::Sun, wxDateTime::Nov, 1961 },
 425         { { 27, wxDateTime::Feb, 2093, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, -1, wxDateTime::Fri, wxDateTime::Feb, 2093 },
 426         { {  4, wxDateTime::Jul, 2070, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, -4, wxDateTime::Fri, wxDateTime::Jul, 2070 },
 427         { {  2, wxDateTime::Apr, 1906, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, -5, wxDateTime::Mon, wxDateTime::Apr, 1906 },
 428         { { 19, wxDateTime::Jul, 2023, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, -2, wxDateTime::Wed, wxDateTime::Jul, 2023 },
 429         { {  5, wxDateTime::May, 1958, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, -4, wxDateTime::Mon, wxDateTime::May, 1958 },
 430         { { 11, wxDateTime::Aug, 1900, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  2, wxDateTime::Sat, wxDateTime::Aug, 1900 },
 431         { { 14, wxDateTime::Feb, 1945, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  2, wxDateTime::Wed, wxDateTime::Feb, 1945 },
 432         { { 25, wxDateTime::Jul, 1967, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, -1, wxDateTime::Tue, wxDateTime::Jul, 1967 },
 433         { {  9, wxDateTime::May, 1916, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, -4, wxDateTime::Tue, wxDateTime::May, 1916 },
 434         { { 20, wxDateTime::Jun, 1927, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  3, wxDateTime::Mon, wxDateTime::Jun, 1927 },
 435         { {  2, wxDateTime::Aug, 2000, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  1, wxDateTime::Wed, wxDateTime::Aug, 2000 },
 436         { { 20, wxDateTime::Apr, 2044, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  3, wxDateTime::Wed, wxDateTime::Apr, 2044 },
 437         { { 20, wxDateTime::Feb, 1932, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, -2, wxDateTime::Sat, wxDateTime::Feb, 1932 },
 438         { { 25, wxDateTime::Jul, 2069, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  4, wxDateTime::Thu, wxDateTime::Jul, 2069 },
 439         { {  3, wxDateTime::Apr, 1925, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  1, wxDateTime::Fri, wxDateTime::Apr, 1925 },
 440         { { 21, wxDateTime::Mar, 2093, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  3, wxDateTime::Sat, wxDateTime::Mar, 2093 },
 441         { {  3, wxDateTime::Dec, 2074, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, -5, wxDateTime::Mon, wxDateTime::Dec, 2074 }
 442     };
 443
 444     wxDateTime dt;
 445     for ( n = 0; n < WXSIZEOF(weekDatesTestData); n++ )
 446     {
 447         const WeekDateTestData& wd = weekDatesTestData[n];
 448
 449         dt.SetToWeekDay(wd.wday, wd.nWeek, wd.month, wd.year);
 450
 451         const Date& d = wd.date;
 452         CPPUNIT_ASSERT( d.SameDay(dt.GetTm()) );
 453     }
 454 }
 455
 456 // test the computation of (ISO) week numbers
 457 void DateTimeTestCase::TestTimeWNumber()
 458 {
 459     struct WeekNumberTestData
 460     {
 461         Date date;                          // the date
 462         wxDateTime::wxDateTime_t week;      // the week number in the year
 463         wxDateTime::wxDateTime_t wmon;      // the week number in the month
 464         wxDateTime::wxDateTime_t wmon2;     // same but week starts with Sun
 465         wxDateTime::wxDateTime_t dnum;      // day number in the year
 466     };
 467
 468     // data generated with the following python script:
 469     /*
 470 from DateTime import *
 471 from whrandom import *
 472 from string import *
 473
 474 monthNames = [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ]
 475 wdayNames = [ 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun' ]
 476
 477 def GetMonthWeek(dt):
 478     weekNumMonth = dt.iso_week[1] - DateTime(dt.year, dt.month, 1).iso_week[1] + 1
 479     if weekNumMonth < 0:
 480         weekNumMonth = weekNumMonth + 53
 481     return weekNumMonth
 482
 483 def GetLastSundayBefore(dt):
 484     if dt.iso_week[2] == 7:
 485         return dt
 486     else:
 487         return dt - DateTimeDelta(dt.iso_week[2])
 488
 489 for n in range(20):
 490     year = randint(1900, 2100)
 491     month = randint(1, 12)
 492     day = randint(1, 28)
 493     dt = DateTime(year, month, day)
 494     dayNum = dt.day_of_year
 495     weekNum = dt.iso_week[1]
 496     weekNumMonth = GetMonthWeek(dt)
 497
 498     weekNumMonth2 = 0
 499     dtSunday = GetLastSundayBefore(dt)
 500
 501     while dtSunday >= GetLastSundayBefore(DateTime(dt.year, dt.month, 1)):
 502         weekNumMonth2 = weekNumMonth2 + 1
 503         dtSunday = dtSunday - DateTimeDelta(7)
 504
 505     data = { 'day': rjust(`day`, 2), \
 506              'month': monthNames[month - 1], \
 507              'year': year, \
 508              'weekNum': rjust(`weekNum`, 2), \
 509              'weekNumMonth': weekNumMonth, \
 510              'weekNumMonth2': weekNumMonth2, \
 511              'dayNum': rjust(`dayNum`, 3) }
 512
 513     print "        { { %(day)s, "\
 514           "wxDateTime::%(month)s, "\
 515           "%(year)d }, "\
 516           "%(weekNum)s, "\
 517           "%(weekNumMonth)s, "\
 518           "%(weekNumMonth2)s, "\
 519           "%(dayNum)s }," % data
 520
 521     */
 522     static const WeekNumberTestData weekNumberTestDates[] =
 523     {
 524         { { 27, wxDateTime::Dec, 1966, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 52, 5, 5, 361 },
 525         { { 22, wxDateTime::Jul, 1926, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 29, 4, 4, 203 },
 526         { { 22, wxDateTime::Oct, 2076, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 43, 4, 4, 296 },
 527         { {  1, wxDateTime::Jul, 1967, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 26, 1, 1, 182 },
 528         { {  8, wxDateTime::Nov, 2004, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 46, 2, 2, 313 },
 529         { { 21, wxDateTime::Mar, 1920, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 12, 3, 4,  81 },
 530         { {  7, wxDateTime::Jan, 1965, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  1, 2, 2,   7 },
 531         { { 19, wxDateTime::Oct, 1999, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 42, 4, 4, 292 },
 532         { { 13, wxDateTime::Aug, 1955, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 32, 2, 2, 225 },
 533         { { 18, wxDateTime::Jul, 2087, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 29, 3, 3, 199 },
 534         { {  2, wxDateTime::Sep, 2028, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 35, 1, 1, 246 },
 535         { { 28, wxDateTime::Jul, 1945, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 30, 5, 4, 209 },
 536         { { 15, wxDateTime::Jun, 1901, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 24, 3, 3, 166 },
 537         { { 10, wxDateTime::Oct, 1939, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 41, 3, 2, 283 },
 538         { {  3, wxDateTime::Dec, 1965, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 48, 1, 1, 337 },
 539         { { 23, wxDateTime::Feb, 1940, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  8, 4, 4,  54 },
 540         { {  2, wxDateTime::Jan, 1987, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  1, 1, 1,   2 },
 541         { { 11, wxDateTime::Aug, 2079, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 32, 2, 2, 223 },
 542         { {  2, wxDateTime::Feb, 2063, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  5, 1, 1,  33 },
 543         { { 16, wxDateTime::Oct, 1942, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 42, 3, 3, 289 },
 544         { { 30, wxDateTime::Dec, 2003, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  1, 5, 5, 364 },
 545         { {  2, wxDateTime::Jan, 2004, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  1, 1, 1,   2 },
 546         { {  5, wxDateTime::Jan, 2010, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  1, 2, 2,   5 },
 547         { {  3, wxDateTime::Jan, 2011, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },  1, 2, 2,   3 },
 548     };
 549
 550     for ( size_t n = 0; n < WXSIZEOF(weekNumberTestDates); n++ )
 551     {
 552         const WeekNumberTestData& wn = weekNumberTestDates[n];
 553         const Date& d = wn.date;
 554
 555         wxDateTime dt = d.DT();
 556
 557         wxDateTime::wxDateTime_t
 558             week = dt.GetWeekOfYear(wxDateTime::Monday_First),
 559             wmon = dt.GetWeekOfMonth(wxDateTime::Monday_First),
 560             wmon2 = dt.GetWeekOfMonth(wxDateTime::Sunday_First),
 561             dnum = dt.GetDayOfYear();
 562
 563         WX_ASSERT_EQUAL_MESSAGE( ("day of year for %s", d.Format()),
 564                                  wn.dnum, dnum );
 565         WX_ASSERT_EQUAL_MESSAGE( ("week of month (Monday) for %s", d.Format()),
 566                                  wn.wmon, wmon );
 567         WX_ASSERT_EQUAL_MESSAGE( ("week of month (Sunday) for %s", d.Format()),
 568                                  wn.wmon2, wmon2 );
 569         WX_ASSERT_EQUAL_MESSAGE( ("week of year for %s", d.Format()),
 570                                  wn.week, week );
 571
 572         int year = d.year;
 573         if ( week == 1 && d.month != wxDateTime::Jan )
 574         {
 575             // this means we're in the first week of the next year
 576             year++;
 577         }
 578
 579         wxDateTime
 580             dt2 = wxDateTime::SetToWeekOfYear(year, week, dt.GetWeekDay());
 581         CPPUNIT_ASSERT_EQUAL( dt, dt2 );
 582     }
 583 }
 584
 585 // test DST applicability
 586 void DateTimeTestCase::TestTimeDST()
 587 {
 588     // taken from http://www.energy.ca.gov/daylightsaving.html
 589     static const Date datesDST[2][2009 - 1990 + 1] =
 590     {
 591         {
 592             { 1, wxDateTime::Apr, 1990, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 593             { 7, wxDateTime::Apr, 1991, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 594             { 5, wxDateTime::Apr, 1992, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 595             { 4, wxDateTime::Apr, 1993, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 596             { 3, wxDateTime::Apr, 1994, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 597             { 2, wxDateTime::Apr, 1995, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 598             { 7, wxDateTime::Apr, 1996, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 599             { 6, wxDateTime::Apr, 1997, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 600             { 5, wxDateTime::Apr, 1998, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 601             { 4, wxDateTime::Apr, 1999, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 602             { 2, wxDateTime::Apr, 2000, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 603             { 1, wxDateTime::Apr, 2001, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 604             { 7, wxDateTime::Apr, 2002, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 605             { 6, wxDateTime::Apr, 2003, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 606             { 4, wxDateTime::Apr, 2004, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 607             { 3, wxDateTime::Apr, 2005, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 608             { 2, wxDateTime::Apr, 2006, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 609             {11, wxDateTime::Mar, 2007, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 610             { 9, wxDateTime::Mar, 2008, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 611             { 8, wxDateTime::Mar, 2009, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 612         },
 613         {
 614             { 28, wxDateTime::Oct, 1990, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 615             { 27, wxDateTime::Oct, 1991, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 616             { 25, wxDateTime::Oct, 1992, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 617             { 31, wxDateTime::Oct, 1993, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 618             { 30, wxDateTime::Oct, 1994, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 619             { 29, wxDateTime::Oct, 1995, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 620             { 27, wxDateTime::Oct, 1996, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 621             { 26, wxDateTime::Oct, 1997, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 622             { 25, wxDateTime::Oct, 1998, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 623             { 31, wxDateTime::Oct, 1999, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 624             { 29, wxDateTime::Oct, 2000, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 625             { 28, wxDateTime::Oct, 2001, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 626             { 27, wxDateTime::Oct, 2002, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 627             { 26, wxDateTime::Oct, 2003, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 628             { 31, wxDateTime::Oct, 2004, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 629             { 30, wxDateTime::Oct, 2005, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 630             { 29, wxDateTime::Oct, 2006, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 631             {  4, wxDateTime::Nov, 2007, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 632             {  2, wxDateTime::Nov, 2008, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 633             {  1, wxDateTime::Nov, 2009, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 },
 634
 635         }
 636     };
 637
 638     for ( size_t n = 0; n < WXSIZEOF(datesDST[0]); n++ )
 639     {
 640         const int year = 1990 + n;
 641         wxDateTime dtBegin = wxDateTime::GetBeginDST(year, wxDateTime::USA),
 642                    dtEnd = wxDateTime::GetEndDST(year, wxDateTime::USA);
 643
 644         const Date& dBegin = datesDST[0][n];
 645         const Date& dEnd = datesDST[1][n];
 646
 647         CPPUNIT_ASSERT_EQUAL( dBegin.DT().FormatDate(), dtBegin.FormatDate() );
 648         CPPUNIT_ASSERT_EQUAL( dEnd.DT().FormatDate(), dtEnd.FormatDate() );
 649     }
 650 }
 651
 652 // test wxDateTime -> text conversion
 653 void DateTimeTestCase::TestTimeFormat()
 654 {
 655     // some information may be lost during conversion, so store what kind
 656     // of info should we recover after a round trip
 657     enum CompareKind
 658     {
 659         CompareNone,        // don't try comparing
 660         CompareBoth,        // dates and times should be identical
 661         CompareYear,        // don't compare centuries (fails for 2 digit years)
 662         CompareDate,        // dates only
 663         CompareTime         // time only
 664     };
 665
 666     static const struct
 667     {
 668         CompareKind compareKind;
 669         const char *format;
 670     } formatTestFormats[] =
 671     {
 672        { CompareYear, "---> %c" }, // %c could use 2 digit years
 673        { CompareDate, "Date is %A, %d of %B, in year %Y" },
 674        { CompareYear, "Date is %x, time is %X" }, // %x could use 2 digits
 675        { CompareTime, "Time is %H:%M:%S or %I:%M:%S %p" },
 676        { CompareNone, "The day of year: %j, the week of year: %W" },
 677        { CompareDate, "ISO date without separators: %Y%m%d" },
 678     };
 679
 680     static const Date formatTestDates[] =
 681     {
 682         { 29, wxDateTime::May, 1976, 18, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
 683         { 31, wxDateTime::Dec, 1999, 23, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
 684         {  6, wxDateTime::Feb, 1937, 23, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
 685         {  6, wxDateTime::Feb, 1856, 23, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
 686         {  6, wxDateTime::Feb, 1857, 23, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
 687         { 29, wxDateTime::May, 2076, 18, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
 688
 689         // FIXME: the test with 02:15:25 time doesn't pass because of DST
 690         //        computation problems, we get back 03:15:25
 691         { 29, wxDateTime::Feb, 2400, 04, 15, 25, 0.0, wxDateTime::Inv_WeekDay },
 692 #if 0
 693         // Need to add support for BCE dates.
 694         { 01, wxDateTime::Jan,  -52, 03, 16, 47, 0.0, wxDateTime::Inv_WeekDay },
 695 #endif
 696     };
 697
 698     for ( size_t d = 0; d < WXSIZEOF(formatTestDates); d++ )
 699     {
 700         wxDateTime dt = formatTestDates[d].DT();
 701         for ( unsigned n = 0; n < WXSIZEOF(formatTestFormats); n++ )
 702         {
 703             const char *fmt = formatTestFormats[n].format;
 704
 705             // skip the check with %p for those locales which have empty AM/PM strings:
 706             // for those locales it's impossible to pass the test with %p...
 707             wxString am, pm;
 708             wxDateTime::GetAmPmStrings(&am, &pm);
 709             if (am.empty() && pm.empty() && wxStrstr(fmt, "%p") != NULL)
 710                 continue;
 711
 712             wxString s = dt.Format(fmt);
 713
 714             // what can we recover?
 715             CompareKind kind = formatTestFormats[n].compareKind;
 716
 717             // convert back
 718             wxDateTime dt2;
 719             const char *result = dt2.ParseFormat(s, fmt);
 720             if ( !result )
 721             {
 722                 // conversion failed - should it have?
 723                 WX_ASSERT_MESSAGE(
 724                     ("Test #%u failed: failed to parse \"%s\"", n, s),
 725                     kind == CompareNone
 726                 );
 727             }
 728             else // conversion succeeded
 729             {
 730                 // currently ParseFormat() doesn't support "%Z" and so is
 731                 // incapable of parsing time zone part used at the end of date
 732                 // representations in many (but not "C") locales, compensate
 733                 // for it ourselves by simply consuming and ignoring it
 734                 while ( *result && (*result >= 'A' && *result <= 'Z') )
 735                     result++;
 736
 737                 WX_ASSERT_MESSAGE(
 738                     ("Test #%u failed: \"%s\" was left unparsed in \"%s\"",
 739                      n, result, s),
 740                     !*result
 741                 );
 742
 743                 switch ( kind )
 744                 {
 745                     case CompareYear:
 746                         if ( dt2.GetCentury() != dt.GetCentury() )
 747                         {
 748                             CPPUNIT_ASSERT_EQUAL(dt.GetYear() % 100,
 749                                                  dt2.GetYear() % 100);
 750
 751                             dt2.SetYear(dt.GetYear());
 752                         }
 753                         // fall through and compare everything
 754
 755                     case CompareBoth:
 756                         CPPUNIT_ASSERT_EQUAL( dt, dt2 );
 757                         break;
 758
 759                     case CompareDate:
 760                         CPPUNIT_ASSERT( dt.IsSameDate(dt2) );
 761                         break;
 762
 763                     case CompareTime:
 764                         CPPUNIT_ASSERT( dt.IsSameTime(dt2) );
 765                         break;
 766
 767                     case CompareNone:
 768                         wxFAIL_MSG( wxT("unexpected") );
 769                         break;
 770                 }
 771             }
 772         }
 773     }
 774
 775     wxDateTime dt;
 776
 777 #if 0
 778     // special case which was known to fail
 779     CPPUNIT_ASSERT( dt.ParseFormat("02/06/1856", "%x") );
 780     CPPUNIT_ASSERT_EQUAL( 1856, dt.GetYear() );
 781 #endif
 782
 783     // also test %l separately
 784     CPPUNIT_ASSERT( dt.ParseFormat("12:23:45.678", "%H:%M:%S.%l") );
 785     CPPUNIT_ASSERT_EQUAL( 678, dt.GetMillisecond() );
 786
 787     // test special case of %l matching 0 milliseconds
 788     CPPUNIT_ASSERT( dt.ParseFormat("12:23:45.000", "%H:%M:%S.%l") );
 789     CPPUNIT_ASSERT_EQUAL( 0, dt.GetMillisecond() );
 790
 791     // test partially specified dates too
 792     wxDateTime dtDef(26, wxDateTime::Sep, 2008);
 793     CPPUNIT_ASSERT( dt.ParseFormat("17", "%d") );
 794     CPPUNIT_ASSERT_EQUAL( 17, dt.GetDay() );
 795
 796     // test compilation of some calls which should compile (and not result in
 797     // ambiguity because of char*<->wxCStrData<->wxString conversions)
 798     wxString s("foo");
 799     CPPUNIT_ASSERT( !dt.ParseFormat("foo") );
 800     CPPUNIT_ASSERT( !dt.ParseFormat(wxT("foo")) );
 801     CPPUNIT_ASSERT( !dt.ParseFormat(s) );
 802     CPPUNIT_ASSERT( !dt.ParseFormat(s.c_str()) );
 803
 804     CPPUNIT_ASSERT( !dt.ParseFormat("foo", "%c") );
 805     CPPUNIT_ASSERT( !dt.ParseFormat(wxT("foo"), "%c") );
 806     CPPUNIT_ASSERT( !dt.ParseFormat(s, "%c") );
 807     CPPUNIT_ASSERT( !dt.ParseFormat(s.c_str(), "%c") );
 808
 809     CPPUNIT_ASSERT( !dt.ParseFormat("foo", wxT("%c")) );
 810     CPPUNIT_ASSERT( !dt.ParseFormat(wxT("foo"), wxT("%c")) );
 811     CPPUNIT_ASSERT( !dt.ParseFormat(s, "%c") );
 812     CPPUNIT_ASSERT( !dt.ParseFormat(s.c_str(), wxT("%c")) );
 813
 814     wxString spec("%c");
 815     CPPUNIT_ASSERT( !dt.ParseFormat("foo", spec) );
 816     CPPUNIT_ASSERT( !dt.ParseFormat(wxT("foo"), spec) );
 817     CPPUNIT_ASSERT( !dt.ParseFormat(s, spec) );
 818     CPPUNIT_ASSERT( !dt.ParseFormat(s.c_str(), spec) );
 819 }
 820
 821 void DateTimeTestCase::TestTimeSpanFormat()
 822 {
 823     static const struct TimeSpanFormatTestData
 824     {
 825         long h, min, sec, msec;
 826         const char *fmt;
 827         const char *result;
 828     } testSpans[] =
 829     {
 830         {   12, 34, 56, 789, "%H:%M:%S.%l",   "12:34:56.789"          },
 831         {    1,  2,  3,   0, "%H:%M:%S",      "01:02:03"              },
 832         {    1,  2,  3,   0, "%S",            "3723"                  },
 833         {   -1, -2, -3,   0, "%S",            "-3723"                 },
 834         {   -1, -2, -3,   0, "%H:%M:%S",      "-01:02:03"             },
 835         {   26,  0,  0,   0, "%H",            "26"                    },
 836         {   26,  0,  0,   0, "%D, %H",        "1, 02"                 },
 837         {  -26,  0,  0,   0, "%H",            "-26"                   },
 838         {  -26,  0,  0,   0, "%D, %H",        "-1, 02"                },
 839         {  219,  0,  0,   0, "%H",            "219"                   },
 840         {  219,  0,  0,   0, "%D, %H",        "9, 03"                 },
 841         {  219,  0,  0,   0, "%E, %D, %H",    "1, 2, 03"              },
 842         {    0, -1,  0,   0, "%H:%M:%S",      "-00:01:00"             },
 843         {    0,  0, -1,   0, "%H:%M:%S",      "-00:00:01"             },
 844     };
 845
 846     for ( size_t n = 0; n < WXSIZEOF(testSpans); n++ )
 847     {
 848         const TimeSpanFormatTestData& td = testSpans[n];
 849         wxTimeSpan ts(td.h, td.min, td.sec, td.msec);
 850         CPPUNIT_ASSERT_EQUAL( td.result, ts.Format(td.fmt) );
 851     }
 852 }
 853
 854 void DateTimeTestCase::TestTimeTicks()
 855 {
 856     static const wxDateTime::TimeZone TZ_LOCAL(wxDateTime::Local);
 857     static const wxDateTime::TimeZone TZ_TEST(wxDateTime::NZST);
 858
 859     // this offset is needed to make the test work in any time zone when we
 860     // only have expected test results in UTC in testDates
 861     static const long tzOffset = TZ_LOCAL.GetOffset() - TZ_TEST.GetOffset();
 862
 863     for ( size_t n = 0; n < WXSIZEOF(testDates); n++ )
 864     {
 865         const Date& d = testDates[n];
 866         if ( d.gmticks == -1 )
 867             continue;
 868
 869         wxDateTime dt = d.DT().MakeTimezone(TZ_TEST, true /* no DST */);
 870
 871         // GetValue() returns internal UTC-based representation, we need to
 872         // convert it to local TZ before comparing
 873         time_t ticks = (dt.GetValue() / 1000).ToLong() + TZ_LOCAL.GetOffset();
 874         if ( dt.IsDST() )
 875             ticks += 3600;
 876         CPPUNIT_ASSERT_EQUAL( d.gmticks, ticks + tzOffset );
 877
 878         dt = d.DT().FromTimezone(wxDateTime::UTC);
 879         ticks = (dt.GetValue() / 1000).ToLong();
 880         CPPUNIT_ASSERT_EQUAL( d.gmticks, ticks );
 881     }
 882 }
 883
 884 // test parsing dates in RFC822 format
 885 void DateTimeTestCase::TestParceRFC822()
 886 {
 887     static const struct ParseTestData
 888     {
 889         const char *rfc822;
 890         Date date;              // NB: this should be in UTC
 891         bool good;
 892     } parseTestDates[] =
 893     {
 894         {
 895             "Sat, 18 Dec 1999 00:46:40 +0100",
 896             { 17, wxDateTime::Dec, 1999, 23, 46, 40 },
 897             true
 898         },
 899         {
 900             "Wed, 1 Dec 1999 05:17:20 +0300",
 901             {  1, wxDateTime::Dec, 1999, 2, 17, 20 },
 902             true
 903         },
 904         {
 905             "Sun, 28 Aug 2005 03:31:30 +0200",
 906             { 28, wxDateTime::Aug, 2005, 1, 31, 30 },
 907             true
 908         },
 909
 910         {
 911             "Sat, 18 Dec 1999 10:48:30 -0500",
 912             { 18, wxDateTime::Dec, 1999, 15, 48, 30 },
 913             true
 914         },
 915
 916         // seconds are optional according to the RFC
 917         {
 918             "Sun, 01 Jun 2008 16:30 +0200",
 919             {  1, wxDateTime::Jun, 2008, 14, 30, 00 },
 920             true
 921         },
 922
 923         // try some bogus ones too
 924         {
 925             "Sun, 01 Jun 2008 16:30: +0200",
 926             { 0 },
 927             false
 928         },
 929     };
 930
 931     for ( unsigned n = 0; n < WXSIZEOF(parseTestDates); n++ )
 932     {
 933         const char * const datestr = parseTestDates[n].rfc822;
 934
 935         wxDateTime dt;
 936         if ( dt.ParseRfc822Date(datestr) )
 937         {
 938             WX_ASSERT_MESSAGE(
 939                 ("Erroneously parsed \"%s\"", datestr),
 940                 parseTestDates[n].good
 941             );
 942
 943             wxDateTime dtReal = parseTestDates[n].date.DT().FromUTC();
 944             CPPUNIT_ASSERT_EQUAL( dtReal, dt );
 945         }
 946         else // failed to parse
 947         {
 948             WX_ASSERT_MESSAGE(
 949                 ("Failed to parse \"%s\"", datestr),
 950                 !parseTestDates[n].good
 951             );
 952         }
 953     }
 954 }
 955
 956 // test parsing dates in free format
 957 void DateTimeTestCase::TestDateParse()
 958 {
 959     static const struct ParseTestData
 960     {
 961         const char *str;
 962         Date date;              // NB: this should be in UTC
 963         bool good;
 964     } parseTestDates[] =
 965     {
 966         { "21 Mar 2006", { 21, wxDateTime::Mar, 2006 }, true },
 967         { "29 Feb 1976", { 29, wxDateTime::Feb, 1976 }, true },
 968         { "Feb 29 1976", { 29, wxDateTime::Feb, 1976 }, true },
 969         { "31/03/06",    { 31, wxDateTime::Mar,    6 }, true },
 970         { "31/03/2006",  { 31, wxDateTime::Mar, 2006 }, true },
 971
 972         // some invalid ones too
 973         { "29 Feb 2006" },
 974         { "31/04/06" },
 975         { "bloordyblop" },
 976     };
 977
 978     // special cases
 979     wxDateTime dt;
 980     CPPUNIT_ASSERT( dt.ParseDate(wxT("today")) );
 981     CPPUNIT_ASSERT_EQUAL( wxDateTime::Today(), dt );
 982
 983     for ( size_t n = 0; n < WXSIZEOF(parseTestDates); n++ )
 984     {
 985         const wxString datestr = TranslateDate(parseTestDates[n].str);
 986
 987         const char * const end = dt.ParseDate(datestr);
 988         if ( end && !*end )
 989         {
 990             WX_ASSERT_MESSAGE(
 991                 ("Erroneously parsed \"%s\"", datestr),
 992                 parseTestDates[n].good
 993             );
 994
 995             CPPUNIT_ASSERT_EQUAL( parseTestDates[n].date.DT(), dt );
 996         }
 997         else // failed to parse
 998         {
 999             WX_ASSERT_MESSAGE(
1000                 ("Failed to parse \"%s\"", datestr),
1001                 !parseTestDates[n].good
1002             );
1003         }
1004     }
1005 }
1006
1007 void DateTimeTestCase::TestDateParseISO()
1008 {
1009     static const struct
1010     {
1011         const char *str;
1012         Date date;              // NB: this should be in UTC
1013         bool good;
1014     } parseTestDates[] =
1015     {
1016         { "2006-03-21", { 21, wxDateTime::Mar, 2006 }, true },
1017         { "1976-02-29", { 29, wxDateTime::Feb, 1976 }, true },
1018         { "0006-03-31", { 31, wxDateTime::Mar,    6 }, true },
1019
1020         // some invalid ones too
1021         { "2006:03:31" },
1022         { "31/04/06" },
1023         { "bloordyblop" },
1024         { "" },
1025     };
1026
1027     static const struct
1028     {
1029         const char *str;
1030         wxDateTime::wxDateTime_t hour, min, sec;
1031         bool good;
1032     } parseTestTimes[] =
1033     {
1034         { "13:42:17", 13, 42, 17, true },
1035         { "02:17:01",  2, 17,  1, true },
1036
1037         // some invalid ones too
1038         { "66:03:31" },
1039         { "31/04/06" },
1040         { "bloordyblop" },
1041         { "" },
1042     };
1043
1044     for ( size_t n = 0; n < WXSIZEOF(parseTestDates); n++ )
1045     {
1046         wxDateTime dt;
1047         if ( dt.ParseISODate(parseTestDates[n].str) )
1048         {
1049             CPPUNIT_ASSERT( parseTestDates[n].good );
1050
1051             CPPUNIT_ASSERT_EQUAL( parseTestDates[n].date.DT(), dt );
1052
1053             for ( size_t m = 0; m < WXSIZEOF(parseTestTimes); m++ )
1054             {
1055                 wxString dtCombined;
1056                 dtCombined << parseTestDates[n].str
1057                            << 'T'
1058                            << parseTestTimes[m].str;
1059
1060                 if ( dt.ParseISOCombined(dtCombined) )
1061                 {
1062                     CPPUNIT_ASSERT( parseTestTimes[m].good );
1063
1064                     CPPUNIT_ASSERT_EQUAL( parseTestTimes[m].hour, dt.GetHour()) ;
1065                     CPPUNIT_ASSERT_EQUAL( parseTestTimes[m].min, dt.GetMinute()) ;
1066                     CPPUNIT_ASSERT_EQUAL( parseTestTimes[m].sec, dt.GetSecond()) ;
1067                 }
1068                 else // failed to parse combined date/time
1069                 {
1070                     CPPUNIT_ASSERT( !parseTestTimes[m].good );
1071                 }
1072             }
1073         }
1074         else // failed to parse
1075         {
1076             CPPUNIT_ASSERT( !parseTestDates[n].good );
1077         }
1078     }
1079 }
1080
1081 void DateTimeTestCase::TestDateTimeParse()
1082 {
1083     static const struct ParseTestData
1084     {
1085         const char *str;
1086         Date date;              // NB: this should be in UTC
1087         bool good;
1088     } parseTestDates[] =
1089     {
1090         {
1091             "Thu 22 Nov 2007 07:40:00 PM",
1092             { 22, wxDateTime::Nov, 2007, 19, 40,  0 },
1093             true
1094         },
1095
1096         {
1097             "2010-01-04 14:30",
1098             {  4, wxDateTime::Jan, 2010, 14, 30,  0 },
1099             true
1100         },
1101
1102         {
1103             "bloordyblop",
1104             {  1, wxDateTime::Jan, 9999,  0,  0,  0},
1105             false
1106         },
1107     };
1108
1109     // the test strings here use "PM" which is not available in all locales so
1110     // we need to use "C" locale for them
1111     CLocaleSetter cloc;
1112
1113     wxDateTime dt;
1114     for ( size_t n = 0; n < WXSIZEOF(parseTestDates); n++ )
1115     {
1116         const wxString datestr = TranslateDate(parseTestDates[n].str);
1117
1118         const char * const end = dt.ParseDateTime(datestr);
1119         if ( end && !*end )
1120         {
1121             WX_ASSERT_MESSAGE(
1122                 ("Erroneously parsed \"%s\"", datestr),
1123                 parseTestDates[n].good
1124             );
1125
1126             CPPUNIT_ASSERT_EQUAL( parseTestDates[n].date.DT(), dt );
1127         }
1128         else // failed to parse
1129         {
1130             WX_ASSERT_MESSAGE(
1131                 ("Failed to parse \"%s\"", datestr),
1132                 !parseTestDates[n].good
1133             );
1134
1135             CPPUNIT_ASSERT( !parseTestDates[n].good );
1136         }
1137     }
1138 }
1139
1140 void DateTimeTestCase::TestTimeArithmetics()
1141 {
1142     static const wxDateSpan testArithmData[] =
1143     {
1144         wxDateSpan::Day(),
1145         wxDateSpan::Week(),
1146         wxDateSpan::Month(),
1147         wxDateSpan::Year(),
1148     };
1149
1150     // the test will *not* work with arbitrary date!
1151     wxDateTime dt(2, wxDateTime::Dec, 1999),
1152                dt1,
1153                dt2;
1154
1155     for ( size_t n = 0; n < WXSIZEOF(testArithmData); n++ )
1156     {
1157         const wxDateSpan& span = testArithmData[n];
1158         dt1 = dt + span;
1159         dt2 = dt - span;
1160
1161         CPPUNIT_ASSERT_EQUAL( dt, dt1 - span );
1162         CPPUNIT_ASSERT_EQUAL( dt, dt2 + span );
1163         CPPUNIT_ASSERT_EQUAL( dt1, dt2 + 2*span );
1164     }
1165 }
1166
1167 void DateTimeTestCase::TestDSTBug()
1168 {
1169     /////////////////////////
1170     // Test GetEndDST()
1171     wxDateTime dt = wxDateTime::GetEndDST(2004, wxDateTime::France);
1172     CPPUNIT_ASSERT_EQUAL(31, (int)dt.GetDay());
1173     CPPUNIT_ASSERT_EQUAL(wxDateTime::Oct, dt.GetMonth());
1174     CPPUNIT_ASSERT_EQUAL(2004, (int)dt.GetYear());
1175     CPPUNIT_ASSERT_EQUAL(1, (int)dt.GetHour());
1176     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetMinute());
1177     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetSecond());
1178     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetMillisecond());
1179
1180     /////////////////////////
1181     // Test ResetTime()
1182     dt.SetHour(5);
1183     CPPUNIT_ASSERT_EQUAL(5, (int)dt.GetHour());
1184     dt.ResetTime();
1185     CPPUNIT_ASSERT_EQUAL(31, (int)dt.GetDay());
1186     CPPUNIT_ASSERT_EQUAL(wxDateTime::Oct, dt.GetMonth());
1187     CPPUNIT_ASSERT_EQUAL(2004, (int)dt.GetYear());
1188     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetHour());
1189     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetMinute());
1190     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetSecond());
1191     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetMillisecond());
1192
1193     dt.Set(1, 0, 0, 0);
1194     CPPUNIT_ASSERT_EQUAL(1, (int)dt.GetHour());
1195
1196     /////////////////////////
1197     // Test Today()
1198 #ifdef CHANGE_SYSTEM_DATE
1199     {
1200         DateChanger change(2004, 10, 31, 5, 0, 0);
1201         dt = wxDateTime::Today();
1202     }
1203
1204     CPPUNIT_ASSERT_EQUAL(31, (int)dt.GetDay());
1205     CPPUNIT_ASSERT_EQUAL(wxDateTime::Oct, dt.GetMonth());
1206     CPPUNIT_ASSERT_EQUAL(2004, (int)dt.GetYear());
1207     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetHour());
1208     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetMinute());
1209     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetSecond());
1210     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetMillisecond());
1211
1212     /////////////////////////
1213     // Test Set(hour, minute, second, milli)
1214     wxDateTime dt2;
1215     {
1216         DateChanger change(2004, 10, 31, 5, 0, 0);
1217         dt.Set(1, 30, 0, 0);
1218         dt2.Set(5, 30, 0, 0);
1219     }
1220
1221     CPPUNIT_ASSERT_EQUAL(31, (int)dt.GetDay());
1222     CPPUNIT_ASSERT_EQUAL(wxDateTime::Oct, dt.GetMonth());
1223     CPPUNIT_ASSERT_EQUAL(2004, (int)dt.GetYear());
1224     CPPUNIT_ASSERT_EQUAL(1, (int)dt.GetHour());
1225     CPPUNIT_ASSERT_EQUAL(30, (int)dt.GetMinute());
1226     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetSecond());
1227     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetMillisecond());
1228
1229     CPPUNIT_ASSERT_EQUAL(31, (int)dt2.GetDay());
1230     CPPUNIT_ASSERT_EQUAL(wxDateTime::Oct, dt2.GetMonth());
1231     CPPUNIT_ASSERT_EQUAL(2004, (int)dt2.GetYear());
1232     CPPUNIT_ASSERT_EQUAL(5, (int)dt2.GetHour());
1233     CPPUNIT_ASSERT_EQUAL(30, (int)dt2.GetMinute());
1234     CPPUNIT_ASSERT_EQUAL(0, (int)dt2.GetSecond());
1235     CPPUNIT_ASSERT_EQUAL(0, (int)dt2.GetMillisecond());
1236 #endif // CHANGE_SYSTEM_DATE
1237 }
1238
1239 void DateTimeTestCase::TestDateOnly()
1240 {
1241     wxDateTime dt(19, wxDateTime::Jan, 2007, 15, 01, 00);
1242
1243     static const wxDateTime::wxDateTime_t DATE_ZERO = 0;
1244     CPPUNIT_ASSERT_EQUAL( DATE_ZERO, dt.GetDateOnly().GetHour() );
1245     CPPUNIT_ASSERT_EQUAL( DATE_ZERO, dt.GetDateOnly().GetMinute() );
1246     CPPUNIT_ASSERT_EQUAL( DATE_ZERO, dt.GetDateOnly().GetSecond() );
1247     CPPUNIT_ASSERT_EQUAL( DATE_ZERO, dt.GetDateOnly().GetMillisecond() );
1248
1249     dt.ResetTime();
1250     CPPUNIT_ASSERT_EQUAL( wxDateTime(19, wxDateTime::Jan, 2007), dt );
1251
1252     CPPUNIT_ASSERT_EQUAL( wxDateTime::Today(), wxDateTime::Now().GetDateOnly() );
1253 }
1254
1255 #endif // wxUSE_DATETIME