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