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