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/ioswrap.h"
  27
  28 // need this to be able to use CPPUNIT_ASSERT_EQUAL with wxDateTime objects
  29 static wxSTD ostream& operator<<(wxSTD ostream& ostr, const wxDateTime& dt)
  30 {
  31     ostr << dt.FormatISODate() << _T(" ") << dt.FormatISOTime();
  32
  33     return ostr;
  34 }
  35
  36 // to test Today() meaningfully we must be able to change the system date which
  37 // is not usually the case, but if we're under Win32 we can try it -- define
  38 // the macro below to do it
  39 //#define CHANGE_SYSTEM_DATE
  40
  41 #ifndef __WINDOWS__
  42     #undef CHANGE_SYSTEM_DATE
  43 #endif
  44
  45 #ifdef CHANGE_SYSTEM_DATE
  46
  47 class DateChanger
  48 {
  49 public:
  50     DateChanger(int year, int month, int day, int hour, int min, int sec)
  51     {
  52         SYSTEMTIME st;
  53         st.wDay = day;
  54         st.wMonth = month;
  55         st.wYear = year;
  56         st.wHour = hour;
  57         st.wMinute = min;
  58         st.wSecond = sec;
  59         st.wMilliseconds = 0;
  60
  61         ::GetSystemTime(&m_savedTime);
  62         ::GetTimeZoneInformation(&m_tzi);
  63
  64         m_changed = ::SetSystemTime(&st) != 0;
  65     }
  66
  67     ~DateChanger()
  68     {
  69         if ( m_changed )
  70         {
  71             ::SetSystemTime(&m_savedTime);
  72             ::SetTimeZoneInformation(&m_tzi);
  73         }
  74     }
  75
  76 private:
  77     SYSTEMTIME m_savedTime;
  78     TIME_ZONE_INFORMATION m_tzi;
  79     bool m_changed;
  80 };
  81
  82 #endif // CHANGE_SYSTEM_DATE
  83
  84 // ----------------------------------------------------------------------------
  85 // broken down date representation used for testing
  86 // ----------------------------------------------------------------------------
  87
  88 struct Date
  89 {
  90     wxDateTime::wxDateTime_t day;
  91     wxDateTime::Month month;
  92     int year;
  93     wxDateTime::wxDateTime_t hour, min, sec;
  94     double jdn;
  95     wxDateTime::WeekDay wday;
  96     time_t gmticks, ticks;
  97
  98     void Init(const wxDateTime::Tm& tm)
  99     {
 100         day = tm.mday;
 101         month = tm.mon;
 102         year = tm.year;
 103         hour = tm.hour;
 104         min = tm.min;
 105         sec = tm.sec;
 106         jdn = 0.0;
 107         gmticks = ticks = -1;
 108     }
 109
 110     wxDateTime DT() const
 111         { return wxDateTime(day, month, year, hour, min, sec); }
 112
 113     bool SameDay(const wxDateTime::Tm& tm) const
 114     {
 115         return day == tm.mday && month == tm.mon && year == tm.year;
 116     }
 117
 118     wxString Format() const
 119     {
 120         wxString s;
 121         s.Printf(_T("%02d:%02d:%02d %10s %02d, %4d%s"),
 122                  hour, min, sec,
 123                  wxDateTime::GetMonthName(month).c_str(),
 124                  day,
 125                  abs(wxDateTime::ConvertYearToBC(year)),
 126                  year > 0 ? _T("AD") : _T("BC"));
 127         return s;
 128     }
 129
 130     wxString FormatDate() const
 131     {
 132         wxString s;
 133         s.Printf(_T("%02d-%s-%4d%s"),
 134                  day,
 135                  wxDateTime::GetMonthName(month, wxDateTime::Name_Abbr).c_str(),
 136                  abs(wxDateTime::ConvertYearToBC(year)),
 137                  year > 0 ? _T("AD") : _T("BC"));
 138         return s;
 139     }
 140 };
 141
 142 // ----------------------------------------------------------------------------
 143 // test data
 144 // ----------------------------------------------------------------------------
 145
 146 static const Date testDates[] =
 147 {
 148     {  1, wxDateTime::Jan,  1970, 00, 00, 00, 2440587.5, wxDateTime::Thu,         0,     -3600 },
 149     {  7, wxDateTime::Feb,  2036, 00, 00, 00, 2464730.5, wxDateTime::Thu,        -1,        -1 },
 150     {  8, wxDateTime::Feb,  2036, 00, 00, 00, 2464731.5, wxDateTime::Fri,        -1,        -1 },
 151     {  1, wxDateTime::Jan,  2037, 00, 00, 00, 2465059.5, wxDateTime::Thu,        -1,        -1 },
 152     {  1, wxDateTime::Jan,  2038, 00, 00, 00, 2465424.5, wxDateTime::Fri,        -1,        -1 },
 153     { 21, wxDateTime::Jan,  2222, 00, 00, 00, 2532648.5, wxDateTime::Mon,        -1,        -1 },
 154     { 29, wxDateTime::May,  1976, 12, 00, 00, 2442928.0, wxDateTime::Sat, 202219200, 202212000 },
 155     { 29, wxDateTime::Feb,  1976, 00, 00, 00, 2442837.5, wxDateTime::Sun, 194400000, 194396400 },
 156     {  1, wxDateTime::Jan,  1900, 12, 00, 00, 2415021.0, wxDateTime::Mon,        -1,        -1 },
 157     {  1, wxDateTime::Jan,  1900, 00, 00, 00, 2415020.5, wxDateTime::Mon,        -1,        -1 },
 158     { 15, wxDateTime::Oct,  1582, 00, 00, 00, 2299160.5, wxDateTime::Fri,        -1,        -1 },
 159     {  4, wxDateTime::Oct,  1582, 00, 00, 00, 2299149.5, wxDateTime::Mon,        -1,        -1 },
 160     {  1, wxDateTime::Mar,     1, 00, 00, 00, 1721484.5, wxDateTime::Thu,        -1,        -1 },
 161     {  1, wxDateTime::Jan,     1, 00, 00, 00, 1721425.5, wxDateTime::Mon,        -1,        -1 },
 162     { 31, wxDateTime::Dec,     0, 00, 00, 00, 1721424.5, wxDateTime::Sun,        -1,        -1 },
 163     {  1, wxDateTime::Jan,     0, 00, 00, 00, 1721059.5, wxDateTime::Sat,        -1,        -1 },
 164     { 12, wxDateTime::Aug, -1234, 00, 00, 00, 1270573.5, wxDateTime::Fri,        -1,        -1 },
 165     { 12, wxDateTime::Aug, -4000, 00, 00, 00,  260313.5, wxDateTime::Sat,        -1,        -1 },
 166     { 24, wxDateTime::Nov, -4713, 00, 00, 00,      -0.5, wxDateTime::Mon,        -1,        -1 },
 167 };
 168
 169
 170 // ----------------------------------------------------------------------------
 171 // test class
 172 // ----------------------------------------------------------------------------
 173
 174 class DateTimeTestCase : public CppUnit::TestCase
 175 {
 176 public:
 177     DateTimeTestCase() { }
 178
 179 private:
 180     CPPUNIT_TEST_SUITE( DateTimeTestCase );
 181         CPPUNIT_TEST( TestLeapYears );
 182         CPPUNIT_TEST( TestTimeSet );
 183         CPPUNIT_TEST( TestTimeJDN );
 184         CPPUNIT_TEST( TestTimeWNumber );
 185         CPPUNIT_TEST( TestTimeWDays );
 186         CPPUNIT_TEST( TestTimeDST );
 187         CPPUNIT_TEST( TestTimeFormat );
 188         CPPUNIT_TEST( TestTimeSpanFormat );
 189         CPPUNIT_TEST( TestTimeTicks );
 190         CPPUNIT_TEST( TestParceRFC822 );
 191         CPPUNIT_TEST( TestDateParse );
 192         CPPUNIT_TEST( TestDateTimeParse );
 193         CPPUNIT_TEST( TestTimeArithmetics );
 194         CPPUNIT_TEST( TestDSTBug );
 195         CPPUNIT_TEST( TestDateOnly );
 196     CPPUNIT_TEST_SUITE_END();
 197
 198     void TestLeapYears();
 199     void TestTimeSet();
 200     void TestTimeJDN();
 201     void TestTimeWNumber();
 202     void TestTimeWDays();
 203     void TestTimeDST();
 204     void TestTimeFormat();
 205     void TestTimeSpanFormat();
 206     void TestTimeTicks();
 207     void TestParceRFC822();
 208     void TestDateParse();
 209     void TestDateTimeParse();
 210     void TestTimeArithmetics();
 211     void TestDSTBug();
 212     void TestDateOnly();
 213
 214     DECLARE_NO_COPY_CLASS(DateTimeTestCase)
 215 };
 216
 217 // register in the unnamed registry so that these tests are run by default
 218 CPPUNIT_TEST_SUITE_REGISTRATION( DateTimeTestCase );
 219
 220 // also include in it's own registry so that these tests can be run alone
 221 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( DateTimeTestCase, "DateTimeTestCase" );
 222
 223 // ============================================================================
 224 // implementation
 225 // ============================================================================
 226
 227 // test leap years detection
 228 void DateTimeTestCase::TestLeapYears()
 229 {
 230     static const struct LeapYearTestData
 231     {
 232         int year;
 233         bool isLeap;
 234     } years[] =
 235     {
 236         { 1900, false },
 237         { 1990, false },
 238         { 1976, true },
 239         { 2000, true },
 240         { 2030, false },
 241         { 1984, true },
 242         { 2100, false },
 243         { 2400, true },
 244     };
 245
 246     for ( size_t n = 0; n < WXSIZEOF(years); n++ )
 247     {
 248         const LeapYearTestData& y = years[n];
 249
 250         CPPUNIT_ASSERT( wxDateTime::IsLeapYear(y.year) == y.isLeap );
 251     }
 252 }
 253
 254 // test constructing wxDateTime objects
 255 void DateTimeTestCase::TestTimeSet()
 256 {
 257     for ( size_t n = 0; n < WXSIZEOF(testDates); n++ )
 258     {
 259         const Date& d1 = testDates[n];
 260         wxDateTime dt = d1.DT();
 261
 262         Date d2;
 263         d2.Init(dt.GetTm());
 264
 265         wxString s1 = d1.Format(),
 266                  s2 = d2.Format();
 267
 268         CPPUNIT_ASSERT( s1 == s2 );
 269     }
 270 }
 271
 272 // test conversions to JDN &c
 273 void DateTimeTestCase::TestTimeJDN()
 274 {
 275     for ( size_t n = 0; n < WXSIZEOF(testDates); n++ )
 276     {
 277         const Date& d = testDates[n];
 278         wxDateTime dt(d.day, d.month, d.year, d.hour, d.min, d.sec);
 279
 280         // JDNs must be computed for UTC times
 281         double jdn = dt.FromUTC().GetJulianDayNumber();
 282
 283         CPPUNIT_ASSERT( jdn == d.jdn );
 284
 285         dt.Set(jdn);
 286         CPPUNIT_ASSERT( dt.GetJulianDayNumber() == jdn );
 287     }
 288 }
 289
 290 // test week days computation
 291 void DateTimeTestCase::TestTimeWDays()
 292 {
 293     // test GetWeekDay()
 294     size_t n;
 295     for ( n = 0; n < WXSIZEOF(testDates); n++ )
 296     {
 297         const Date& d = testDates[n];
 298         wxDateTime dt(d.day, d.month, d.year, d.hour, d.min, d.sec);
 299
 300         wxDateTime::WeekDay wday = dt.GetWeekDay();
 301         CPPUNIT_ASSERT( wday == d.wday );
 302     }
 303
 304     // test SetToWeekDay()
 305     struct WeekDateTestData
 306     {
 307         Date date;                  // the real date (precomputed)
 308         int nWeek;                  // its week index in the month
 309         wxDateTime::WeekDay wday;   // the weekday
 310         wxDateTime::Month month;    // the month
 311         int year;                   // and the year
 312
 313         wxString Format() const
 314         {
 315             wxString s, which;
 316             switch ( nWeek < -1 ? -nWeek : nWeek )
 317             {
 318                 case 1: which = _T("first"); break;
 319                 case 2: which = _T("second"); break;
 320                 case 3: which = _T("third"); break;
 321                 case 4: which = _T("fourth"); break;
 322                 case 5: which = _T("fifth"); break;
 323
 324                 case -1: which = _T("last"); break;
 325             }
 326
 327             if ( nWeek < -1 )
 328             {
 329                 which += _T(" from end");
 330             }
 331
 332             s.Printf(_T("The %s %s of %s in %d"),
 333                      which.c_str(),
 334                      wxDateTime::GetWeekDayName(wday).c_str(),
 335                      wxDateTime::GetMonthName(month).c_str(),
 336                      year);
 337
 338             return s;
 339         }
 340     };
 341
 342     // the array data was generated by the following python program
 343     /*
 344 from DateTime import *
 345 from whrandom import *
 346 from string import *
 347
 348 monthNames = [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ]
 349 wdayNames = [ 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun' ]
 350
 351 week = DateTimeDelta(7)
 352
 353 for n in range(20):
 354     year = randint(1900, 2100)
 355     month = randint(1, 12)
 356     day = randint(1, 28)
 357     dt = DateTime(year, month, day)
 358     wday = dt.day_of_week
 359
 360     countFromEnd = choice([-1, 1])
 361     weekNum = 0;
 362
 363     while dt.month is month:
 364         dt = dt - countFromEnd * week
 365         weekNum = weekNum + countFromEnd
 366
 367     data = { 'day': rjust(`day`, 2), 'month': monthNames[month - 1], 'year': year, 'weekNum': rjust(`weekNum`, 2), 'wday': wdayNames[wday] }
 368
 369     print "{ { %(day)s, wxDateTime::%(month)s, %(year)d }, %(weekNum)d, "\
 370           "wxDateTime::%(wday)s, wxDateTime::%(month)s, %(year)d }," % data
 371     */
 372
 373     static const WeekDateTestData weekDatesTestData[] =
 374     {
 375         { { 20, wxDateTime::Mar, 2045, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  3, wxDateTime::Mon, wxDateTime::Mar, 2045 },
 376         { {  5, wxDateTime::Jun, 1985, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, -4, wxDateTime::Wed, wxDateTime::Jun, 1985 },
 377         { { 12, wxDateTime::Nov, 1961, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, -3, wxDateTime::Sun, wxDateTime::Nov, 1961 },
 378         { { 27, wxDateTime::Feb, 2093, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, -1, wxDateTime::Fri, wxDateTime::Feb, 2093 },
 379         { {  4, wxDateTime::Jul, 2070, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, -4, wxDateTime::Fri, wxDateTime::Jul, 2070 },
 380         { {  2, wxDateTime::Apr, 1906, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, -5, wxDateTime::Mon, wxDateTime::Apr, 1906 },
 381         { { 19, wxDateTime::Jul, 2023, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, -2, wxDateTime::Wed, wxDateTime::Jul, 2023 },
 382         { {  5, wxDateTime::May, 1958, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, -4, wxDateTime::Mon, wxDateTime::May, 1958 },
 383         { { 11, wxDateTime::Aug, 1900, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  2, wxDateTime::Sat, wxDateTime::Aug, 1900 },
 384         { { 14, wxDateTime::Feb, 1945, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  2, wxDateTime::Wed, wxDateTime::Feb, 1945 },
 385         { { 25, wxDateTime::Jul, 1967, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, -1, wxDateTime::Tue, wxDateTime::Jul, 1967 },
 386         { {  9, wxDateTime::May, 1916, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, -4, wxDateTime::Tue, wxDateTime::May, 1916 },
 387         { { 20, wxDateTime::Jun, 1927, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  3, wxDateTime::Mon, wxDateTime::Jun, 1927 },
 388         { {  2, wxDateTime::Aug, 2000, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  1, wxDateTime::Wed, wxDateTime::Aug, 2000 },
 389         { { 20, wxDateTime::Apr, 2044, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  3, wxDateTime::Wed, wxDateTime::Apr, 2044 },
 390         { { 20, wxDateTime::Feb, 1932, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, -2, wxDateTime::Sat, wxDateTime::Feb, 1932 },
 391         { { 25, wxDateTime::Jul, 2069, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  4, wxDateTime::Thu, wxDateTime::Jul, 2069 },
 392         { {  3, wxDateTime::Apr, 1925, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  1, wxDateTime::Fri, wxDateTime::Apr, 1925 },
 393         { { 21, wxDateTime::Mar, 2093, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  3, wxDateTime::Sat, wxDateTime::Mar, 2093 },
 394         { {  3, wxDateTime::Dec, 2074, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, -5, wxDateTime::Mon, wxDateTime::Dec, 2074 }
 395     };
 396
 397     wxDateTime dt;
 398     for ( n = 0; n < WXSIZEOF(weekDatesTestData); n++ )
 399     {
 400         const WeekDateTestData& wd = weekDatesTestData[n];
 401
 402         dt.SetToWeekDay(wd.wday, wd.nWeek, wd.month, wd.year);
 403
 404         const Date& d = wd.date;
 405         CPPUNIT_ASSERT( d.SameDay(dt.GetTm()) );
 406     }
 407 }
 408
 409 // test the computation of (ISO) week numbers
 410 void DateTimeTestCase::TestTimeWNumber()
 411 {
 412     struct WeekNumberTestData
 413     {
 414         Date date;                          // the date
 415         wxDateTime::wxDateTime_t week;      // the week number in the year
 416         wxDateTime::wxDateTime_t wmon;      // the week number in the month
 417         wxDateTime::wxDateTime_t wmon2;     // same but week starts with Sun
 418         wxDateTime::wxDateTime_t dnum;      // day number in the year
 419     };
 420
 421     // data generated with the following python script:
 422     /*
 423 from DateTime import *
 424 from whrandom import *
 425 from string import *
 426
 427 monthNames = [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ]
 428 wdayNames = [ 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun' ]
 429
 430 def GetMonthWeek(dt):
 431     weekNumMonth = dt.iso_week[1] - DateTime(dt.year, dt.month, 1).iso_week[1] + 1
 432     if weekNumMonth < 0:
 433         weekNumMonth = weekNumMonth + 53
 434     return weekNumMonth
 435
 436 def GetLastSundayBefore(dt):
 437     if dt.iso_week[2] == 7:
 438         return dt
 439     else:
 440         return dt - DateTimeDelta(dt.iso_week[2])
 441
 442 for n in range(20):
 443     year = randint(1900, 2100)
 444     month = randint(1, 12)
 445     day = randint(1, 28)
 446     dt = DateTime(year, month, day)
 447     dayNum = dt.day_of_year
 448     weekNum = dt.iso_week[1]
 449     weekNumMonth = GetMonthWeek(dt)
 450
 451     weekNumMonth2 = 0
 452     dtSunday = GetLastSundayBefore(dt)
 453
 454     while dtSunday >= GetLastSundayBefore(DateTime(dt.year, dt.month, 1)):
 455         weekNumMonth2 = weekNumMonth2 + 1
 456         dtSunday = dtSunday - DateTimeDelta(7)
 457
 458     data = { 'day': rjust(`day`, 2), \
 459              'month': monthNames[month - 1], \
 460              'year': year, \
 461              'weekNum': rjust(`weekNum`, 2), \
 462              'weekNumMonth': weekNumMonth, \
 463              'weekNumMonth2': weekNumMonth2, \
 464              'dayNum': rjust(`dayNum`, 3) }
 465
 466     print "        { { %(day)s, "\
 467           "wxDateTime::%(month)s, "\
 468           "%(year)d }, "\
 469           "%(weekNum)s, "\
 470           "%(weekNumMonth)s, "\
 471           "%(weekNumMonth2)s, "\
 472           "%(dayNum)s }," % data
 473
 474     */
 475     static const WeekNumberTestData weekNumberTestDates[] =
 476     {
 477         { { 27, wxDateTime::Dec, 1966, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 52, 5, 5, 361 },
 478         { { 22, wxDateTime::Jul, 1926, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 29, 4, 4, 203 },
 479         { { 22, wxDateTime::Oct, 2076, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 43, 4, 4, 296 },
 480         { {  1, wxDateTime::Jul, 1967, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 26, 1, 1, 182 },
 481         { {  8, wxDateTime::Nov, 2004, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 46, 2, 2, 313 },
 482         { { 21, wxDateTime::Mar, 1920, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 12, 3, 4,  81 },
 483         { {  7, wxDateTime::Jan, 1965, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  1, 2, 2,   7 },
 484         { { 19, wxDateTime::Oct, 1999, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 42, 4, 4, 292 },
 485         { { 13, wxDateTime::Aug, 1955, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 32, 2, 2, 225 },
 486         { { 18, wxDateTime::Jul, 2087, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 29, 3, 3, 199 },
 487         { {  2, wxDateTime::Sep, 2028, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 35, 1, 1, 246 },
 488         { { 28, wxDateTime::Jul, 1945, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 30, 5, 4, 209 },
 489         { { 15, wxDateTime::Jun, 1901, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 24, 3, 3, 166 },
 490         { { 10, wxDateTime::Oct, 1939, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 41, 3, 2, 283 },
 491         { {  3, wxDateTime::Dec, 1965, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 48, 1, 1, 337 },
 492         { { 23, wxDateTime::Feb, 1940, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  8, 4, 4,  54 },
 493         { {  2, wxDateTime::Jan, 1987, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  1, 1, 1,   2 },
 494         { { 11, wxDateTime::Aug, 2079, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 32, 2, 2, 223 },
 495         { {  2, wxDateTime::Feb, 2063, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  5, 1, 1,  33 },
 496         { { 16, wxDateTime::Oct, 1942, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 }, 42, 3, 3, 289 },
 497         { { 30, wxDateTime::Dec, 2003, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  1, 5, 5, 364 },
 498         { {  2, wxDateTime::Jan, 2004, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },  1, 1, 1,   2 },
 499     };
 500
 501     for ( size_t n = 0; n < WXSIZEOF(weekNumberTestDates); n++ )
 502     {
 503         const WeekNumberTestData& wn = weekNumberTestDates[n];
 504         const Date& d = wn.date;
 505
 506         wxDateTime dt = d.DT();
 507
 508         wxDateTime::wxDateTime_t
 509             week = dt.GetWeekOfYear(wxDateTime::Monday_First),
 510             wmon = dt.GetWeekOfMonth(wxDateTime::Monday_First),
 511             wmon2 = dt.GetWeekOfMonth(wxDateTime::Sunday_First),
 512             dnum = dt.GetDayOfYear();
 513
 514         CPPUNIT_ASSERT( dnum == wn.dnum );
 515         CPPUNIT_ASSERT( wmon == wn.wmon );
 516         CPPUNIT_ASSERT( wmon2 == wn.wmon2 );
 517         CPPUNIT_ASSERT( week == wn.week );
 518
 519         int year = d.year;
 520         if ( week == 1 && d.month != wxDateTime::Jan )
 521         {
 522             // this means we're in the first week of the next year
 523             year++;
 524         }
 525
 526         wxDateTime
 527             dt2 = wxDateTime::SetToWeekOfYear(year, week, dt.GetWeekDay());
 528         CPPUNIT_ASSERT( dt2 == dt );
 529     }
 530 }
 531
 532 // test DST applicability
 533 void DateTimeTestCase::TestTimeDST()
 534 {
 535     // taken from http://www.energy.ca.gov/daylightsaving.html
 536     static const Date datesDST[2][2004 - 1900 + 1] =
 537     {
 538         {
 539             { 1, wxDateTime::Apr, 1990, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 540             { 7, wxDateTime::Apr, 1991, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 541             { 5, wxDateTime::Apr, 1992, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 542             { 4, wxDateTime::Apr, 1993, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 543             { 3, wxDateTime::Apr, 1994, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 544             { 2, wxDateTime::Apr, 1995, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 545             { 7, wxDateTime::Apr, 1996, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 546             { 6, wxDateTime::Apr, 1997, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 547             { 5, wxDateTime::Apr, 1998, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 548             { 4, wxDateTime::Apr, 1999, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 549             { 2, wxDateTime::Apr, 2000, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 550             { 1, wxDateTime::Apr, 2001, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 551             { 7, wxDateTime::Apr, 2002, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 552             { 6, wxDateTime::Apr, 2003, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 553             { 4, wxDateTime::Apr, 2004, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 554         },
 555         {
 556             { 28, wxDateTime::Oct, 1990, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 557             { 27, wxDateTime::Oct, 1991, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 558             { 25, wxDateTime::Oct, 1992, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 559             { 31, wxDateTime::Oct, 1993, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 560             { 30, wxDateTime::Oct, 1994, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 561             { 29, wxDateTime::Oct, 1995, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 562             { 27, wxDateTime::Oct, 1996, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 563             { 26, wxDateTime::Oct, 1997, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 564             { 25, wxDateTime::Oct, 1998, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 565             { 31, wxDateTime::Oct, 1999, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 566             { 29, wxDateTime::Oct, 2000, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 567             { 28, wxDateTime::Oct, 2001, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 568             { 27, wxDateTime::Oct, 2002, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 569             { 26, wxDateTime::Oct, 2003, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 570             { 31, wxDateTime::Oct, 2004, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0, 0 },
 571         }
 572     };
 573
 574     for ( int year = 1990; year < 2005; year++ )
 575     {
 576         wxDateTime dtBegin = wxDateTime::GetBeginDST(year, wxDateTime::USA),
 577                    dtEnd = wxDateTime::GetEndDST(year, wxDateTime::USA);
 578
 579         size_t n = year - 1990;
 580         const Date& dBegin = datesDST[0][n];
 581         const Date& dEnd = datesDST[1][n];
 582
 583         CPPUNIT_ASSERT( dBegin.SameDay(dtBegin.GetTm()) );
 584         CPPUNIT_ASSERT( dEnd.SameDay(dtEnd.GetTm()) );
 585     }
 586 }
 587
 588 // test wxDateTime -> text conversion
 589 void DateTimeTestCase::TestTimeFormat()
 590 {
 591     // some information may be lost during conversion, so store what kind
 592     // of info should we recover after a round trip
 593     enum CompareKind
 594     {
 595         CompareNone,        // don't try comparing
 596         CompareBoth,        // dates and times should be identical
 597         CompareYear,        // don't compare centuries (fails for 2 digit years)
 598         CompareDate,        // dates only
 599         CompareTime         // time only
 600     };
 601
 602     static const struct
 603     {
 604         CompareKind compareKind;
 605         const char *format;
 606     } formatTestFormats[] =
 607     {
 608        { CompareYear, "---> %c" }, // %c could use 2 digit years
 609        { CompareDate, "Date is %A, %d of %B, in year %Y" },
 610        { CompareYear, "Date is %x, time is %X" }, // %x could use 2 digits
 611        { CompareTime, "Time is %H:%M:%S or %I:%M:%S %p" },
 612        { CompareNone, "The day of year: %j, the week of year: %W" },
 613        { CompareDate, "ISO date without separators: %Y%m%d" },
 614     };
 615
 616     static const Date formatTestDates[] =
 617     {
 618         { 29, wxDateTime::May, 1976, 18, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
 619         { 31, wxDateTime::Dec, 1999, 23, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
 620         {  6, wxDateTime::Feb, 1937, 23, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
 621         {  6, wxDateTime::Feb, 1856, 23, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
 622         {  6, wxDateTime::Feb, 1857, 23, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
 623         { 29, wxDateTime::May, 2076, 18, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
 624         { 29, wxDateTime::Feb, 2400, 02, 15, 25, 0.0, wxDateTime::Inv_WeekDay },
 625 #if 0
 626         // Need to add support for BCE dates.
 627         { 01, wxDateTime::Jan,  -52, 03, 16, 47, 0.0, wxDateTime::Inv_WeekDay },
 628 #endif
 629     };
 630
 631     for ( size_t d = 0; d < WXSIZEOF(formatTestDates); d++ )
 632     {
 633         wxDateTime dt = formatTestDates[d].DT();
 634         for ( size_t n = 0; n < WXSIZEOF(formatTestFormats); n++ )
 635         {
 636             const char *fmt = formatTestFormats[n].format;
 637             wxString s = dt.Format(fmt);
 638
 639             // what can we recover?
 640             CompareKind kind = formatTestFormats[n].compareKind;
 641
 642             // convert back
 643             wxDateTime dt2;
 644             const char *result = dt2.ParseFormat(s, fmt);
 645             if ( !result )
 646             {
 647                 // converion failed - should it have?
 648                 CPPUNIT_ASSERT( kind == CompareNone );
 649             }
 650             else // conversion succeeded
 651             {
 652                 // should have parsed the entire string
 653                 CPPUNIT_ASSERT( !*result );
 654
 655                 switch ( kind )
 656                 {
 657                     case CompareYear:
 658                         if ( dt2.GetCentury() != dt.GetCentury() )
 659                         {
 660                             CPPUNIT_ASSERT_EQUAL(dt.GetYear() % 100,
 661                                                  dt2.GetYear() % 100);
 662
 663                             dt2.SetYear(dt.GetYear());
 664                         }
 665                         // fall through and compare everything
 666
 667                     case CompareBoth:
 668                         CPPUNIT_ASSERT_EQUAL( dt, dt2 );
 669                         break;
 670
 671                     case CompareDate:
 672                         CPPUNIT_ASSERT( dt.IsSameDate(dt2) );
 673                         break;
 674
 675                     case CompareTime:
 676                         CPPUNIT_ASSERT( dt.IsSameTime(dt2) );
 677                         break;
 678
 679                     case CompareNone:
 680                         wxFAIL_MSG( _T("unexpected") );
 681                         break;
 682                 }
 683             }
 684         }
 685     }
 686 }
 687
 688 void DateTimeTestCase::TestTimeSpanFormat()
 689 {
 690     static const struct TimeSpanFormatTestData
 691     {
 692         long h, min, sec, msec;
 693         const char *fmt;
 694         const char *result;
 695     } testSpans[] =
 696     {
 697         {   12, 34, 56, 789, "%H:%M:%S.%l",   "12:34:56.789"          },
 698         {    1,  2,  3,   0, "%H:%M:%S",      "01:02:03"              },
 699         {    1,  2,  3,   0, "%S",            "3723"                  },
 700         {   -1, -2, -3,   0, "%S",            "-3723"                 },
 701         {   -1, -2, -3,   0, "%H:%M:%S",      "-01:02:03"             },
 702         {   26,  0,  0,   0, "%H",            "26"                    },
 703         {   26,  0,  0,   0, "%D, %H",        "1, 02"                 },
 704         {  -26,  0,  0,   0, "%H",            "-26"                   },
 705         {  -26,  0,  0,   0, "%D, %H",        "-1, 02"                },
 706         {  219,  0,  0,   0, "%H",            "219"                   },
 707         {  219,  0,  0,   0, "%D, %H",        "9, 03"                 },
 708         {  219,  0,  0,   0, "%E, %D, %H",    "1, 2, 03"              },
 709     };
 710
 711     for ( size_t n = 0; n < WXSIZEOF(testSpans); n++ )
 712     {
 713         const TimeSpanFormatTestData& td = testSpans[n];
 714         wxTimeSpan ts(td.h, td.min, td.sec, td.msec);
 715         CPPUNIT_ASSERT_EQUAL( wxString(td.result), ts.Format(td.fmt) );
 716     }
 717 }
 718
 719 void DateTimeTestCase::TestTimeTicks()
 720 {
 721     for ( size_t n = 0; n < WXSIZEOF(testDates); n++ )
 722     {
 723         const Date& d = testDates[n];
 724         if ( d.ticks == -1 )
 725             continue;
 726
 727         wxDateTime dt = d.DT();
 728         //RN:  Translate according to test's time zone
 729         //2nd param is to ignore DST - it's already factored
 730         //into Vadim's tests
 731         dt.MakeTimezone(wxDateTime::WEST, true);
 732         long ticks = (dt.GetValue() / 1000).ToLong();
 733         CPPUNIT_ASSERT( ticks == d.ticks );
 734
 735         dt = d.DT().FromTimezone(wxDateTime::GMT0);
 736         ticks = (dt.GetValue() / 1000).ToLong();
 737         CPPUNIT_ASSERT( ticks == d.gmticks );
 738     }
 739 }
 740
 741 // test parsing dates in RFC822 format
 742 void DateTimeTestCase::TestParceRFC822()
 743 {
 744     static const struct ParseTestData
 745     {
 746         const char *rfc822;
 747         Date date;              // NB: this should be in UTC
 748         bool good;
 749     } parseTestDates[] =
 750     {
 751         {
 752             "Sat, 18 Dec 1999 00:46:40 +0100",
 753             { 17, wxDateTime::Dec, 1999, 23, 46, 40 },
 754             true
 755         },
 756         {
 757             "Wed, 1 Dec 1999 05:17:20 +0300",
 758             {  1, wxDateTime::Dec, 1999, 2, 17, 20 },
 759             true
 760         },
 761         {
 762             "Sun, 28 Aug 2005 03:31:30 +0200",
 763             {  28, wxDateTime::Aug, 2005, 1, 31, 30 },
 764             true
 765         },
 766
 767         {
 768             "Sat, 18 Dec 1999 10:48:30 -0500",
 769             {  18, wxDateTime::Dec, 1999, 15, 48, 30 },
 770             true
 771         },
 772     };
 773
 774     for ( unsigned n = 0; n < WXSIZEOF(parseTestDates); n++ )
 775     {
 776         const char * const datestr = parseTestDates[n].rfc822;
 777
 778         wxDateTime dt;
 779         if ( dt.ParseRfc822Date(datestr) )
 780         {
 781             WX_ASSERT_MESSAGE(
 782                 ("Erroneously parsed \"%s\"", datestr),
 783                 parseTestDates[n].good
 784             );
 785
 786             wxDateTime dtReal = parseTestDates[n].date.DT().FromUTC();
 787             CPPUNIT_ASSERT_EQUAL( dtReal, dt );
 788         }
 789         else // failed to parse
 790         {
 791             WX_ASSERT_MESSAGE(
 792                 ("Failed to parse \"%s\"", datestr),
 793                 !parseTestDates[n].good
 794             );
 795         }
 796     }
 797 }
 798
 799 // test parsing dates in free format
 800 void DateTimeTestCase::TestDateParse()
 801 {
 802     static const struct ParseTestData
 803     {
 804         const char *str;
 805         Date date;              // NB: this should be in UTC
 806         bool good;
 807     } parseTestDates[] =
 808     {
 809         { "21 Mar 2006", { 21, wxDateTime::Mar, 2006 }, true },
 810         { "29 Feb 1976", { 29, wxDateTime::Feb, 1976 }, true },
 811         { "Feb 29 1976", { 29, wxDateTime::Feb, 1976 }, true },
 812         { "31/03/06",    { 31, wxDateTime::Mar,    6 }, true },
 813         { "31/03/2006",  { 31, wxDateTime::Mar, 2006 }, true },
 814
 815         // some invalid ones too
 816         { "29 Feb 2006" },
 817         { "31/04/06" },
 818         { "bloordyblop" },
 819     };
 820
 821     // special cases
 822     wxDateTime dt;
 823     CPPUNIT_ASSERT( dt.ParseDate(_T("today")) );
 824     CPPUNIT_ASSERT_EQUAL( wxDateTime::Today(), dt );
 825
 826     for ( size_t n = 0; n < WXSIZEOF(parseTestDates); n++ )
 827     {
 828         wxDateTime dt;
 829         if ( dt.ParseDate(parseTestDates[n].str) )
 830         {
 831             CPPUNIT_ASSERT( parseTestDates[n].good );
 832
 833             CPPUNIT_ASSERT_EQUAL( parseTestDates[n].date.DT(), dt );
 834         }
 835         else // failed to parse
 836         {
 837             CPPUNIT_ASSERT( !parseTestDates[n].good );
 838         }
 839     }
 840 }
 841
 842 void DateTimeTestCase::TestDateTimeParse()
 843 {
 844     static const struct ParseTestData
 845     {
 846         const char *str;
 847         Date date;              // NB: this should be in UTC
 848         bool good;
 849     } parseTestDates[] =
 850     {
 851         { "Thu 22 Nov 2007 07:40:00 PM",
 852          { 22, wxDateTime::Nov, 2007, 19, 40, 0}, true },
 853     };
 854
 855     // special cases
 856     wxDateTime dt;
 857     for ( size_t n = 0; n < WXSIZEOF(parseTestDates); n++ )
 858     {
 859         wxDateTime dt;
 860         if ( dt.ParseDateTime(parseTestDates[n].str) )
 861         {
 862             CPPUNIT_ASSERT( parseTestDates[n].good );
 863
 864             CPPUNIT_ASSERT_EQUAL( parseTestDates[n].date.DT(), dt );
 865         }
 866         else // failed to parse
 867         {
 868             CPPUNIT_ASSERT( !parseTestDates[n].good );
 869         }
 870     }
 871 }
 872
 873 void DateTimeTestCase::TestTimeArithmetics()
 874 {
 875     static const wxDateSpan testArithmData[] =
 876     {
 877         wxDateSpan::Day(),
 878         wxDateSpan::Week(),
 879         wxDateSpan::Month(),
 880         wxDateSpan::Year(),
 881     };
 882
 883     // the test will *not* work with arbitrary date!
 884     wxDateTime dt(2, wxDateTime::Dec, 1999),
 885                dt1,
 886                dt2;
 887
 888     for ( size_t n = 0; n < WXSIZEOF(testArithmData); n++ )
 889     {
 890         const wxDateSpan& span = testArithmData[n];
 891         dt1 = dt + span;
 892         dt2 = dt - span;
 893
 894         CPPUNIT_ASSERT( dt1 - span == dt );
 895         CPPUNIT_ASSERT( dt2 + span == dt );
 896         CPPUNIT_ASSERT( dt2 + 2*span == dt1 );
 897     }
 898 }
 899
 900 void DateTimeTestCase::TestDSTBug()
 901 {
 902     /////////////////////////
 903     // Test GetEndDST()
 904     wxDateTime dt = wxDateTime::GetEndDST(2004, wxDateTime::France);
 905     CPPUNIT_ASSERT_EQUAL(31, (int)dt.GetDay());
 906     CPPUNIT_ASSERT_EQUAL(wxDateTime::Oct, dt.GetMonth());
 907     CPPUNIT_ASSERT_EQUAL(2004, (int)dt.GetYear());
 908     CPPUNIT_ASSERT_EQUAL(1, (int)dt.GetHour());
 909     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetMinute());
 910     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetSecond());
 911     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetMillisecond());
 912
 913     /////////////////////////
 914     // Test ResetTime()
 915     dt.SetHour(5);
 916     CPPUNIT_ASSERT_EQUAL(5, (int)dt.GetHour());
 917     dt.ResetTime();
 918     CPPUNIT_ASSERT_EQUAL(31, (int)dt.GetDay());
 919     CPPUNIT_ASSERT_EQUAL(wxDateTime::Oct, dt.GetMonth());
 920     CPPUNIT_ASSERT_EQUAL(2004, (int)dt.GetYear());
 921     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetHour());
 922     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetMinute());
 923     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetSecond());
 924     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetMillisecond());
 925
 926     dt.Set(1, 0, 0, 0);
 927     CPPUNIT_ASSERT_EQUAL(1, (int)dt.GetHour());
 928
 929     /////////////////////////
 930     // Test Today()
 931 #ifdef CHANGE_SYSTEM_DATE
 932     {
 933         DateChanger change(2004, 10, 31, 5, 0, 0);
 934         dt = wxDateTime::Today();
 935     }
 936
 937     CPPUNIT_ASSERT_EQUAL(31, (int)dt.GetDay());
 938     CPPUNIT_ASSERT_EQUAL(wxDateTime::Oct, dt.GetMonth());
 939     CPPUNIT_ASSERT_EQUAL(2004, (int)dt.GetYear());
 940     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetHour());
 941     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetMinute());
 942     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetSecond());
 943     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetMillisecond());
 944
 945     /////////////////////////
 946     // Test Set(hour, minute, second, milli)
 947     wxDateTime dt2;
 948     {
 949         DateChanger change(2004, 10, 31, 5, 0, 0);
 950         dt.Set(1, 30, 0, 0);
 951         dt2.Set(5, 30, 0, 0);
 952     }
 953
 954     CPPUNIT_ASSERT_EQUAL(31, (int)dt.GetDay());
 955     CPPUNIT_ASSERT_EQUAL(wxDateTime::Oct, dt.GetMonth());
 956     CPPUNIT_ASSERT_EQUAL(2004, (int)dt.GetYear());
 957     CPPUNIT_ASSERT_EQUAL(1, (int)dt.GetHour());
 958     CPPUNIT_ASSERT_EQUAL(30, (int)dt.GetMinute());
 959     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetSecond());
 960     CPPUNIT_ASSERT_EQUAL(0, (int)dt.GetMillisecond());
 961
 962     CPPUNIT_ASSERT_EQUAL(31, (int)dt2.GetDay());
 963     CPPUNIT_ASSERT_EQUAL(wxDateTime::Oct, dt2.GetMonth());
 964     CPPUNIT_ASSERT_EQUAL(2004, (int)dt2.GetYear());
 965     CPPUNIT_ASSERT_EQUAL(5, (int)dt2.GetHour());
 966     CPPUNIT_ASSERT_EQUAL(30, (int)dt2.GetMinute());
 967     CPPUNIT_ASSERT_EQUAL(0, (int)dt2.GetSecond());
 968     CPPUNIT_ASSERT_EQUAL(0, (int)dt2.GetMillisecond());
 969 #endif // CHANGE_SYSTEM_DATE
 970 }
 971
 972 void DateTimeTestCase::TestDateOnly()
 973 {
 974     wxDateTime dt(19, wxDateTime::Jan, 2007, 15, 01, 00);
 975
 976     static const wxDateTime::wxDateTime_t DATE_ZERO = 0;
 977     CPPUNIT_ASSERT_EQUAL( DATE_ZERO, dt.GetDateOnly().GetHour() );
 978     CPPUNIT_ASSERT_EQUAL( DATE_ZERO, dt.GetDateOnly().GetMinute() );
 979     CPPUNIT_ASSERT_EQUAL( DATE_ZERO, dt.GetDateOnly().GetSecond() );
 980     CPPUNIT_ASSERT_EQUAL( DATE_ZERO, dt.GetDateOnly().GetMillisecond() );
 981
 982     dt.ResetTime();
 983     CPPUNIT_ASSERT_EQUAL( wxDateTime(19, wxDateTime::Jan, 2007), dt );
 984
 985     CPPUNIT_ASSERT_EQUAL( wxDateTime::Today(), wxDateTime::Now().GetDateOnly() );
 986 }
 987
 988 #endif // wxUSE_DATETIME