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