tests/datetime/datetimetest.cpp

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