+ bool should = years[1][n] != 0,
+ is = wxDateTime::IsLeapYear(year);
+
+ printf("Year %d is %sa leap year (%s)\n",
+ year,
+ is ? "" : "not ",
+ should == is ? "ok" : "ERROR");
+
+ wxASSERT( should == wxDateTime::IsLeapYear(year) );
+ }
+}
+
+// test constructing wxDateTime objects
+static void TestTimeSet()
+{
+ puts("\n*** wxDateTime construction test ***");
+
+ for ( size_t n = 0; n < WXSIZEOF(testDates); n++ )
+ {
+ const Date& d1 = testDates[n];
+ wxDateTime dt = d1.DT();
+
+ Date d2;
+ d2.Init(dt.GetTm());
+
+ wxString s1 = d1.Format(),
+ s2 = d2.Format();
+
+ printf("Date: %s == %s (%s)\n",
+ s1.c_str(), s2.c_str(),
+ s1 == s2 ? "ok" : "ERROR");
+ }
+}
+
+// test time zones stuff
+static void TestTimeZones()
+{
+ puts("\n*** wxDateTime timezone test ***");
+
+ wxDateTime now = wxDateTime::Now();
+
+ printf("Current GMT time:\t%s\n", now.Format("%c", wxDateTime::GMT0).c_str());
+ printf("Unix epoch (GMT):\t%s\n", wxDateTime((time_t)0).Format("%c", wxDateTime::GMT0).c_str());
+ printf("Unix epoch (EST):\t%s\n", wxDateTime((time_t)0).Format("%c", wxDateTime::EST).c_str());
+ printf("Current time in Paris:\t%s\n", now.Format("%c", wxDateTime::CET).c_str());
+ printf(" Moscow:\t%s\n", now.Format("%c", wxDateTime::MSK).c_str());
+ printf(" New York:\t%s\n", now.Format("%c", wxDateTime::EST).c_str());
+
+ wxDateTime::Tm tm = now.GetTm();
+ if ( wxDateTime(tm) != now )
+ {
+ printf("ERROR: got %s instead of %s\n",
+ wxDateTime(tm).Format().c_str(), now.Format().c_str());
+ }
+}
+
+// test some minimal support for the dates outside the standard range
+static void TestTimeRange()
+{
+ puts("\n*** wxDateTime out-of-standard-range dates test ***");
+
+ static const char *fmt = "%d-%b-%Y %H:%M:%S";
+
+ printf("Unix epoch:\t%s\n",
+ wxDateTime(2440587.5).Format(fmt).c_str());
+ printf("Feb 29, 0: \t%s\n",
+ wxDateTime(29, wxDateTime::Feb, 0).Format(fmt).c_str());
+ printf("JDN 0: \t%s\n",
+ wxDateTime(0.0).Format(fmt).c_str());
+ printf("Jan 1, 1AD:\t%s\n",
+ wxDateTime(1, wxDateTime::Jan, 1).Format(fmt).c_str());
+ printf("May 29, 2099:\t%s\n",
+ wxDateTime(29, wxDateTime::May, 2099).Format(fmt).c_str());
+}
+
+static void TestTimeTicks()
+{
+ puts("\n*** wxDateTime ticks test ***");
+
+ for ( size_t n = 0; n < WXSIZEOF(testDates); n++ )
+ {
+ const Date& d = testDates[n];
+ if ( d.ticks == -1 )
+ continue;
+
+ wxDateTime dt = d.DT();
+ long ticks = (dt.GetValue() / 1000).ToLong();
+ printf("Ticks of %s:\t% 10ld", d.Format().c_str(), ticks);
+ if ( ticks == d.ticks )
+ {
+ puts(" (ok)");
+ }
+ else
+ {
+ printf(" (ERROR: should be %ld, delta = %ld)\n",
+ d.ticks, ticks - d.ticks);
+ }
+
+ dt = d.DT().ToTimezone(wxDateTime::GMT0);
+ ticks = (dt.GetValue() / 1000).ToLong();
+ printf("GMtks of %s:\t% 10ld", d.Format().c_str(), ticks);
+ if ( ticks == d.gmticks )
+ {
+ puts(" (ok)");
+ }
+ else
+ {
+ printf(" (ERROR: should be %ld, delta = %ld)\n",
+ d.gmticks, ticks - d.gmticks);
+ }
+ }
+
+ puts("");
+}
+
+// test conversions to JDN &c
+static void TestTimeJDN()
+{
+ puts("\n*** wxDateTime to JDN test ***");
+
+ for ( size_t n = 0; n < WXSIZEOF(testDates); n++ )
+ {
+ const Date& d = testDates[n];
+ wxDateTime dt(d.day, d.month, d.year, d.hour, d.min, d.sec);
+ double jdn = dt.GetJulianDayNumber();
+
+ printf("JDN of %s is:\t% 15.6f", d.Format().c_str(), jdn);
+ if ( jdn == d.jdn )
+ {
+ puts(" (ok)");
+ }
+ else
+ {
+ printf(" (ERROR: should be %f, delta = %f)\n",
+ d.jdn, jdn - d.jdn);
+ }
+ }
+}
+
+// test week days computation
+static void TestTimeWDays()
+{
+ puts("\n*** wxDateTime weekday test ***");
+
+ // test GetWeekDay()
+ size_t n;
+ for ( n = 0; n < WXSIZEOF(testDates); n++ )
+ {
+ const Date& d = testDates[n];
+ wxDateTime dt(d.day, d.month, d.year, d.hour, d.min, d.sec);
+
+ wxDateTime::WeekDay wday = dt.GetWeekDay();
+ printf("%s is: %s",
+ d.Format().c_str(),
+ wxDateTime::GetWeekDayName(wday).c_str());
+ if ( wday == d.wday )
+ {
+ puts(" (ok)");
+ }
+ else
+ {
+ printf(" (ERROR: should be %s)\n",
+ wxDateTime::GetWeekDayName(d.wday).c_str());
+ }
+ }
+
+ puts("");
+
+ // test SetToWeekDay()
+ struct WeekDateTestData
+ {
+ Date date; // the real date (precomputed)
+ int nWeek; // its week index in the month
+ wxDateTime::WeekDay wday; // the weekday
+ wxDateTime::Month month; // the month
+ int year; // and the year
+
+ wxString Format() const
+ {
+ wxString s, which;
+ switch ( nWeek < -1 ? -nWeek : nWeek )
+ {
+ case 1: which = "first"; break;
+ case 2: which = "second"; break;
+ case 3: which = "third"; break;
+ case 4: which = "fourth"; break;
+ case 5: which = "fifth"; break;
+
+ case -1: which = "last"; break;
+ }
+
+ if ( nWeek < -1 )
+ {
+ which += " from end";
+ }
+
+ s.Printf("The %s %s of %s in %d",
+ which.c_str(),
+ wxDateTime::GetWeekDayName(wday).c_str(),
+ wxDateTime::GetMonthName(month).c_str(),
+ year);
+
+ return s;
+ }
+ };
+
+ // the array data was generated by the following python program
+ /*
+from DateTime import *
+from whrandom import *
+from string import *
+
+monthNames = [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ]
+wdayNames = [ 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun' ]
+
+week = DateTimeDelta(7)
+
+for n in range(20):
+ year = randint(1900, 2100)
+ month = randint(1, 12)
+ day = randint(1, 28)
+ dt = DateTime(year, month, day)
+ wday = dt.day_of_week
+
+ countFromEnd = choice([-1, 1])
+ weekNum = 0;
+
+ while dt.month is month:
+ dt = dt - countFromEnd * week
+ weekNum = weekNum + countFromEnd
+
+ data = { 'day': rjust(`day`, 2), 'month': monthNames[month - 1], 'year': year, 'weekNum': rjust(`weekNum`, 2), 'wday': wdayNames[wday] }
+
+ print "{ { %(day)s, wxDateTime::%(month)s, %(year)d }, %(weekNum)d, "\
+ "wxDateTime::%(wday)s, wxDateTime::%(month)s, %(year)d }," % data
+ */
+
+ static const WeekDateTestData weekDatesTestData[] =
+ {
+ { { 20, wxDateTime::Mar, 2045 }, 3, wxDateTime::Mon, wxDateTime::Mar, 2045 },
+ { { 5, wxDateTime::Jun, 1985 }, -4, wxDateTime::Wed, wxDateTime::Jun, 1985 },
+ { { 12, wxDateTime::Nov, 1961 }, -3, wxDateTime::Sun, wxDateTime::Nov, 1961 },
+ { { 27, wxDateTime::Feb, 2093 }, -1, wxDateTime::Fri, wxDateTime::Feb, 2093 },
+ { { 4, wxDateTime::Jul, 2070 }, -4, wxDateTime::Fri, wxDateTime::Jul, 2070 },
+ { { 2, wxDateTime::Apr, 1906 }, -5, wxDateTime::Mon, wxDateTime::Apr, 1906 },
+ { { 19, wxDateTime::Jul, 2023 }, -2, wxDateTime::Wed, wxDateTime::Jul, 2023 },
+ { { 5, wxDateTime::May, 1958 }, -4, wxDateTime::Mon, wxDateTime::May, 1958 },
+ { { 11, wxDateTime::Aug, 1900 }, 2, wxDateTime::Sat, wxDateTime::Aug, 1900 },
+ { { 14, wxDateTime::Feb, 1945 }, 2, wxDateTime::Wed, wxDateTime::Feb, 1945 },
+ { { 25, wxDateTime::Jul, 1967 }, -1, wxDateTime::Tue, wxDateTime::Jul, 1967 },
+ { { 9, wxDateTime::May, 1916 }, -4, wxDateTime::Tue, wxDateTime::May, 1916 },
+ { { 20, wxDateTime::Jun, 1927 }, 3, wxDateTime::Mon, wxDateTime::Jun, 1927 },
+ { { 2, wxDateTime::Aug, 2000 }, 1, wxDateTime::Wed, wxDateTime::Aug, 2000 },
+ { { 20, wxDateTime::Apr, 2044 }, 3, wxDateTime::Wed, wxDateTime::Apr, 2044 },
+ { { 20, wxDateTime::Feb, 1932 }, -2, wxDateTime::Sat, wxDateTime::Feb, 1932 },
+ { { 25, wxDateTime::Jul, 2069 }, 4, wxDateTime::Thu, wxDateTime::Jul, 2069 },
+ { { 3, wxDateTime::Apr, 1925 }, 1, wxDateTime::Fri, wxDateTime::Apr, 1925 },
+ { { 21, wxDateTime::Mar, 2093 }, 3, wxDateTime::Sat, wxDateTime::Mar, 2093 },
+ { { 3, wxDateTime::Dec, 2074 }, -5, wxDateTime::Mon, wxDateTime::Dec, 2074 },
+ };
+
+ static const char *fmt = "%d-%b-%Y";
+
+ wxDateTime dt;
+ for ( n = 0; n < WXSIZEOF(weekDatesTestData); n++ )
+ {
+ const WeekDateTestData& wd = weekDatesTestData[n];
+
+ dt.SetToWeekDay(wd.wday, wd.nWeek, wd.month, wd.year);
+
+ printf("%s is %s", wd.Format().c_str(), dt.Format(fmt).c_str());
+
+ const Date& d = wd.date;
+ if ( d.SameDay(dt.GetTm()) )
+ {
+ puts(" (ok)");
+ }
+ else
+ {
+ dt.Set(d.day, d.month, d.year);
+
+ printf(" (ERROR: should be %s)\n", dt.Format(fmt).c_str());
+ }
+ }
+}
+
+// test the computation of (ISO) week numbers
+static void TestTimeWNumber()
+{
+ puts("\n*** wxDateTime week number test ***");
+
+ struct WeekNumberTestData
+ {
+ Date date; // the date
+ wxDateTime::wxDateTime_t week; // the week number in the year
+ wxDateTime::wxDateTime_t wmon; // the week number in the month
+ wxDateTime::wxDateTime_t wmon2; // same but week starts with Sun
+ wxDateTime::wxDateTime_t dnum; // day number in the year
+ };
+
+ // data generated with the following python script:
+ /*
+from DateTime import *
+from whrandom import *
+from string import *
+
+monthNames = [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ]
+wdayNames = [ 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun' ]
+
+def GetMonthWeek(dt):
+ weekNumMonth = dt.iso_week[1] - DateTime(dt.year, dt.month, 1).iso_week[1] + 1
+ if weekNumMonth < 0:
+ weekNumMonth = weekNumMonth + 53
+ return weekNumMonth
+
+def GetLastSundayBefore(dt):
+ if dt.iso_week[2] == 7:
+ return dt
+ else:
+ return dt - DateTimeDelta(dt.iso_week[2])
+
+for n in range(20):
+ year = randint(1900, 2100)
+ month = randint(1, 12)
+ day = randint(1, 28)
+ dt = DateTime(year, month, day)
+ dayNum = dt.day_of_year
+ weekNum = dt.iso_week[1]
+ weekNumMonth = GetMonthWeek(dt)
+
+ weekNumMonth2 = 0
+ dtSunday = GetLastSundayBefore(dt)
+
+ while dtSunday >= GetLastSundayBefore(DateTime(dt.year, dt.month, 1)):
+ weekNumMonth2 = weekNumMonth2 + 1
+ dtSunday = dtSunday - DateTimeDelta(7)
+
+ data = { 'day': rjust(`day`, 2), \
+ 'month': monthNames[month - 1], \
+ 'year': year, \
+ 'weekNum': rjust(`weekNum`, 2), \
+ 'weekNumMonth': weekNumMonth, \
+ 'weekNumMonth2': weekNumMonth2, \
+ 'dayNum': rjust(`dayNum`, 3) }
+
+ print " { { %(day)s, "\
+ "wxDateTime::%(month)s, "\
+ "%(year)d }, "\
+ "%(weekNum)s, "\
+ "%(weekNumMonth)s, "\
+ "%(weekNumMonth2)s, "\
+ "%(dayNum)s }," % data
+
+ */
+ static const WeekNumberTestData weekNumberTestDates[] =
+ {
+ { { 27, wxDateTime::Dec, 1966 }, 52, 5, 5, 361 },
+ { { 22, wxDateTime::Jul, 1926 }, 29, 4, 4, 203 },
+ { { 22, wxDateTime::Oct, 2076 }, 43, 4, 4, 296 },
+ { { 1, wxDateTime::Jul, 1967 }, 26, 1, 1, 182 },
+ { { 8, wxDateTime::Nov, 2004 }, 46, 2, 2, 313 },
+ { { 21, wxDateTime::Mar, 1920 }, 12, 3, 4, 81 },
+ { { 7, wxDateTime::Jan, 1965 }, 1, 2, 2, 7 },
+ { { 19, wxDateTime::Oct, 1999 }, 42, 4, 4, 292 },
+ { { 13, wxDateTime::Aug, 1955 }, 32, 2, 2, 225 },
+ { { 18, wxDateTime::Jul, 2087 }, 29, 3, 3, 199 },
+ { { 2, wxDateTime::Sep, 2028 }, 35, 1, 1, 246 },
+ { { 28, wxDateTime::Jul, 1945 }, 30, 5, 4, 209 },
+ { { 15, wxDateTime::Jun, 1901 }, 24, 3, 3, 166 },
+ { { 10, wxDateTime::Oct, 1939 }, 41, 3, 2, 283 },
+ { { 3, wxDateTime::Dec, 1965 }, 48, 1, 1, 337 },
+ { { 23, wxDateTime::Feb, 1940 }, 8, 4, 4, 54 },
+ { { 2, wxDateTime::Jan, 1987 }, 1, 1, 1, 2 },
+ { { 11, wxDateTime::Aug, 2079 }, 32, 2, 2, 223 },
+ { { 2, wxDateTime::Feb, 2063 }, 5, 1, 1, 33 },
+ { { 16, wxDateTime::Oct, 1942 }, 42, 3, 3, 289 },
+ };
+
+ for ( size_t n = 0; n < WXSIZEOF(weekNumberTestDates); n++ )
+ {
+ const WeekNumberTestData& wn = weekNumberTestDates[n];
+ const Date& d = wn.date;
+
+ wxDateTime dt = d.DT();
+
+ wxDateTime::wxDateTime_t
+ week = dt.GetWeekOfYear(wxDateTime::Monday_First),
+ wmon = dt.GetWeekOfMonth(wxDateTime::Monday_First),
+ wmon2 = dt.GetWeekOfMonth(wxDateTime::Sunday_First),
+ dnum = dt.GetDayOfYear();
+
+ printf("%s: the day number is %d",
+ d.FormatDate().c_str(), dnum);
+ if ( dnum == wn.dnum )
+ {
+ printf(" (ok)");
+ }
+ else
+ {
+ printf(" (ERROR: should be %d)", wn.dnum);
+ }
+
+ printf(", week in month is %d", wmon);
+ if ( wmon == wn.wmon )
+ {
+ printf(" (ok)");
+ }
+ else
+ {
+ printf(" (ERROR: should be %d)", wn.wmon);
+ }
+
+ printf(" or %d", wmon2);
+ if ( wmon2 == wn.wmon2 )
+ {
+ printf(" (ok)");
+ }
+ else
+ {
+ printf(" (ERROR: should be %d)", wn.wmon2);
+ }
+
+ printf(", week in year is %d", week);
+ if ( week == wn.week )
+ {
+ puts(" (ok)");
+ }
+ else
+ {
+ printf(" (ERROR: should be %d)\n", wn.week);
+ }
+ }
+}
+
+// test DST calculations
+static void TestTimeDST()
+{
+ puts("\n*** wxDateTime DST test ***");
+
+ printf("DST is%s in effect now.\n\n",
+ wxDateTime::Now().IsDST() ? "" : " not");
+
+ // taken from http://www.energy.ca.gov/daylightsaving.html
+ static const Date datesDST[2][2004 - 1900 + 1] =
+ {
+ {
+ { 1, wxDateTime::Apr, 1990 },
+ { 7, wxDateTime::Apr, 1991 },
+ { 5, wxDateTime::Apr, 1992 },
+ { 4, wxDateTime::Apr, 1993 },
+ { 3, wxDateTime::Apr, 1994 },
+ { 2, wxDateTime::Apr, 1995 },
+ { 7, wxDateTime::Apr, 1996 },
+ { 6, wxDateTime::Apr, 1997 },
+ { 5, wxDateTime::Apr, 1998 },
+ { 4, wxDateTime::Apr, 1999 },
+ { 2, wxDateTime::Apr, 2000 },
+ { 1, wxDateTime::Apr, 2001 },
+ { 7, wxDateTime::Apr, 2002 },
+ { 6, wxDateTime::Apr, 2003 },
+ { 4, wxDateTime::Apr, 2004 },
+ },
+ {
+ { 28, wxDateTime::Oct, 1990 },
+ { 27, wxDateTime::Oct, 1991 },
+ { 25, wxDateTime::Oct, 1992 },
+ { 31, wxDateTime::Oct, 1993 },
+ { 30, wxDateTime::Oct, 1994 },
+ { 29, wxDateTime::Oct, 1995 },
+ { 27, wxDateTime::Oct, 1996 },
+ { 26, wxDateTime::Oct, 1997 },
+ { 25, wxDateTime::Oct, 1998 },
+ { 31, wxDateTime::Oct, 1999 },
+ { 29, wxDateTime::Oct, 2000 },
+ { 28, wxDateTime::Oct, 2001 },
+ { 27, wxDateTime::Oct, 2002 },
+ { 26, wxDateTime::Oct, 2003 },
+ { 31, wxDateTime::Oct, 2004 },
+ }
+ };
+
+ int year;
+ for ( year = 1990; year < 2005; year++ )
+ {
+ wxDateTime dtBegin = wxDateTime::GetBeginDST(year, wxDateTime::USA),
+ dtEnd = wxDateTime::GetEndDST(year, wxDateTime::USA);
+
+ printf("DST period in the US for year %d: from %s to %s",
+ year, dtBegin.Format().c_str(), dtEnd.Format().c_str());
+
+ size_t n = year - 1990;
+ const Date& dBegin = datesDST[0][n];
+ const Date& dEnd = datesDST[1][n];
+
+ if ( dBegin.SameDay(dtBegin.GetTm()) && dEnd.SameDay(dtEnd.GetTm()) )
+ {
+ puts(" (ok)");
+ }
+ else
+ {
+ printf(" (ERROR: should be %s %d to %s %d)\n",
+ wxDateTime::GetMonthName(dBegin.month).c_str(), dBegin.day,
+ wxDateTime::GetMonthName(dEnd.month).c_str(), dEnd.day);
+ }
+ }
+
+ puts("");
+
+ for ( year = 1990; year < 2005; year++ )
+ {
+ printf("DST period in Europe for year %d: from %s to %s\n",
+ year,
+ wxDateTime::GetBeginDST(year, wxDateTime::Country_EEC).Format().c_str(),
+ wxDateTime::GetEndDST(year, wxDateTime::Country_EEC).Format().c_str());
+ }
+}
+
+// test wxDateTime -> text conversion
+static void TestTimeFormat()
+{
+ puts("\n*** wxDateTime formatting test ***");
+
+ // some information may be lost during conversion, so store what kind
+ // of info should we recover after a round trip
+ enum CompareKind
+ {
+ CompareNone, // don't try comparing
+ CompareBoth, // dates and times should be identical
+ CompareDate, // dates only
+ CompareTime // time only
+ };
+
+ static const struct
+ {
+ CompareKind compareKind;
+ const char *format;
+ } formatTestFormats[] =
+ {
+ { CompareBoth, "---> %c" },
+ { CompareDate, "Date is %A, %d of %B, in year %Y" },
+ { CompareBoth, "Date is %x, time is %X" },
+ { CompareTime, "Time is %H:%M:%S or %I:%M:%S %p" },
+ { CompareNone, "The day of year: %j, the week of year: %W" },
+ { CompareDate, "ISO date without separators: %4Y%2m%2d" },
+ };
+
+ static const Date formatTestDates[] =
+ {
+ { 29, wxDateTime::May, 1976, 18, 30, 00 },
+ { 31, wxDateTime::Dec, 1999, 23, 30, 00 },
+#if 0
+ // this test can't work for other centuries because it uses two digit
+ // years in formats, so don't even try it
+ { 29, wxDateTime::May, 2076, 18, 30, 00 },
+ { 29, wxDateTime::Feb, 2400, 02, 15, 25 },
+ { 01, wxDateTime::Jan, -52, 03, 16, 47 },
+#endif
+ };
+
+ // an extra test (as it doesn't depend on date, don't do it in the loop)
+ printf("%s\n", wxDateTime::Now().Format("Our timezone is %Z").c_str());
+
+ for ( size_t d = 0; d < WXSIZEOF(formatTestDates) + 1; d++ )
+ {
+ puts("");
+
+ wxDateTime dt = d == 0 ? wxDateTime::Now() : formatTestDates[d - 1].DT();
+ for ( size_t n = 0; n < WXSIZEOF(formatTestFormats); n++ )
+ {
+ wxString s = dt.Format(formatTestFormats[n].format);
+ printf("%s", s.c_str());
+
+ // what can we recover?
+ int kind = formatTestFormats[n].compareKind;
+
+ // convert back
+ wxDateTime dt2;
+ const wxChar *result = dt2.ParseFormat(s, formatTestFormats[n].format);
+ if ( !result )
+ {
+ // converion failed - should it have?
+ if ( kind == CompareNone )
+ puts(" (ok)");
+ else
+ puts(" (ERROR: conversion back failed)");
+ }
+ else if ( *result )
+ {
+ // should have parsed the entire string
+ puts(" (ERROR: conversion back stopped too soon)");
+ }
+ else
+ {
+ bool equal = FALSE; // suppress compilaer warning
+ switch ( kind )
+ {
+ case CompareBoth:
+ equal = dt2 == dt;
+ break;
+
+ case CompareDate:
+ equal = dt.IsSameDate(dt2);
+ break;
+
+ case CompareTime:
+ equal = dt.IsSameTime(dt2);
+ break;
+ }
+
+ if ( !equal )
+ {
+ printf(" (ERROR: got back '%s' instead of '%s')\n",
+ dt2.Format().c_str(), dt.Format().c_str());
+ }
+ else
+ {
+ puts(" (ok)");
+ }
+ }
+ }
+ }
+}
+
+// test text -> wxDateTime conversion
+static void TestTimeParse()
+{
+ puts("\n*** wxDateTime parse test ***");
+
+ struct ParseTestData
+ {
+ const char *format;
+ Date date;
+ bool good;
+ };
+
+ static const ParseTestData parseTestDates[] =
+ {
+ { "Sat, 18 Dec 1999 00:46:40 +0100", { 18, wxDateTime::Dec, 1999, 00, 46, 40 }, TRUE },
+ { "Wed, 1 Dec 1999 05:17:20 +0300", { 1, wxDateTime::Dec, 1999, 03, 17, 20 }, TRUE },
+ };
+
+ for ( size_t n = 0; n < WXSIZEOF(parseTestDates); n++ )
+ {
+ const char *format = parseTestDates[n].format;
+
+ printf("%s => ", format);
+
+ wxDateTime dt;
+ if ( dt.ParseRfc822Date(format) )
+ {
+ printf("%s ", dt.Format().c_str());
+
+ if ( parseTestDates[n].good )
+ {
+ wxDateTime dtReal = parseTestDates[n].date.DT();
+ if ( dt == dtReal )
+ {
+ puts("(ok)");
+ }
+ else
+ {
+ printf("(ERROR: should be %s)\n", dtReal.Format().c_str());
+ }
+ }
+ else
+ {
+ puts("(ERROR: bad format)");
+ }
+ }
+ else
+ {
+ printf("bad format (%s)\n",
+ parseTestDates[n].good ? "ERROR" : "ok");
+ }
+ }
+}
+
+static void TestInteractive()
+{
+ puts("\n*** interactive wxDateTime tests ***");
+
+ char buf[128];
+
+ for ( ;; )
+ {
+ printf("Enter a date: ");
+ if ( !fgets(buf, WXSIZEOF(buf), stdin) )
+ break;
+
+ // kill the last '\n'
+ buf[strlen(buf) - 1] = 0;
+
+ wxDateTime dt;
+ const char *p = dt.ParseDate(buf);
+ if ( !p )
+ {
+ printf("ERROR: failed to parse the date '%s'.\n", buf);
+
+ continue;
+ }
+ else if ( *p )
+ {
+ printf("WARNING: parsed only first %u characters.\n", p - buf);
+ }
+
+ printf("%s: day %u, week of month %u/%u, week of year %u\n",
+ dt.Format("%b %d, %Y").c_str(),
+ dt.GetDayOfYear(),
+ dt.GetWeekOfMonth(wxDateTime::Monday_First),
+ dt.GetWeekOfMonth(wxDateTime::Sunday_First),
+ dt.GetWeekOfYear(wxDateTime::Monday_First));
+ }
+
+ puts("\n*** done ***");
+}
+
+static void TestTimeMS()
+{
+ puts("*** testing millisecond-resolution support in wxDateTime ***");
+
+ wxDateTime dt1 = wxDateTime::Now(),
+ dt2 = wxDateTime::UNow();
+
+ printf("Now = %s\n", dt1.Format("%H:%M:%S:%l").c_str());
+ printf("UNow = %s\n", dt2.Format("%H:%M:%S:%l").c_str());
+ printf("Dummy loop: ");
+ for ( int i = 0; i < 6000; i++ )
+ {
+ //for ( int j = 0; j < 10; j++ )
+ {
+ wxString s;
+ s.Printf("%g", sqrt(i));
+ }
+
+ if ( !(i % 100) )
+ putchar('.');
+ }
+ puts(", done");
+
+ dt1 = dt2;
+ dt2 = wxDateTime::UNow();
+ printf("UNow = %s\n", dt2.Format("%H:%M:%S:%l").c_str());
+
+ printf("Loop executed in %s ms\n", (dt2 - dt1).Format("%l").c_str());
+
+ puts("\n*** done ***");
+}
+
+static void TestTimeArithmetics()
+{
+ puts("\n*** testing arithmetic operations on wxDateTime ***");
+
+ static const struct ArithmData
+ {
+ ArithmData(const wxDateSpan& sp, const char *nam)
+ : span(sp), name(nam) { }
+
+ wxDateSpan span;
+ const char *name;
+ } testArithmData[] =
+ {
+ ArithmData(wxDateSpan::Day(), "day"),
+ ArithmData(wxDateSpan::Week(), "week"),
+ ArithmData(wxDateSpan::Month(), "month"),
+ ArithmData(wxDateSpan::Year(), "year"),
+ ArithmData(wxDateSpan(1, 2, 3, 4), "year, 2 months, 3 weeks, 4 days"),
+ };
+
+ wxDateTime dt(29, wxDateTime::Dec, 1999), dt1, dt2;
+
+ for ( size_t n = 0; n < WXSIZEOF(testArithmData); n++ )
+ {
+ wxDateSpan span = testArithmData[n].span;
+ dt1 = dt + span;
+ dt2 = dt - span;
+
+ const char *name = testArithmData[n].name;
+ printf("%s + %s = %s, %s - %s = %s\n",
+ dt.FormatISODate().c_str(), name, dt1.FormatISODate().c_str(),
+ dt.FormatISODate().c_str(), name, dt2.FormatISODate().c_str());
+
+ printf("Going back: %s", (dt1 - span).FormatISODate().c_str());
+ if ( dt1 - span == dt )
+ {
+ puts(" (ok)");
+ }
+ else
+ {
+ printf(" (ERROR: should be %s)\n", dt.FormatISODate().c_str());
+ }
+
+ printf("Going forward: %s", (dt2 + span).FormatISODate().c_str());
+ if ( dt2 + span == dt )
+ {
+ puts(" (ok)");
+ }
+ else
+ {
+ printf(" (ERROR: should be %s)\n", dt.FormatISODate().c_str());
+ }