wxWidgets/tests/datetime/datetime.cpp
2004-09-11 21:37:28 +00:00

673 lines
22 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: tests/datetime/datetime.cpp
// Purpose: wxDateTime unit test
// Author: Vadim Zeitlin
// Created: 2004-06-23 (extracted from samples/console/console.cpp)
// RCS-ID: $Id$
// Copyright: (c) 2004 Vadim Zeitlin <vadim@wxwindows.org>
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#endif // WX_PRECOMP
#include "wx/datetime.h"
#include "wx/cppunit.h"
// ----------------------------------------------------------------------------
// broken down date representation used for testing
// ----------------------------------------------------------------------------
struct Date
{
wxDateTime::wxDateTime_t day;
wxDateTime::Month month;
int year;
wxDateTime::wxDateTime_t hour, min, sec;
double jdn;
wxDateTime::WeekDay wday;
time_t gmticks, ticks;
void Init(const wxDateTime::Tm& tm)
{
day = tm.mday;
month = tm.mon;
year = tm.year;
hour = tm.hour;
min = tm.min;
sec = tm.sec;
jdn = 0.0;
gmticks = ticks = -1;
}
wxDateTime DT() const
{ return wxDateTime(day, month, year, hour, min, sec); }
bool SameDay(const wxDateTime::Tm& tm) const
{
return day == tm.mday && month == tm.mon && year == tm.year;
}
wxString Format() const
{
wxString s;
s.Printf(_T("%02d:%02d:%02d %10s %02d, %4d%s"),
hour, min, sec,
wxDateTime::GetMonthName(month).c_str(),
day,
abs(wxDateTime::ConvertYearToBC(year)),
year > 0 ? _T("AD") : _T("BC"));
return s;
}
wxString FormatDate() const
{
wxString s;
s.Printf(_T("%02d-%s-%4d%s"),
day,
wxDateTime::GetMonthName(month, wxDateTime::Name_Abbr).c_str(),
abs(wxDateTime::ConvertYearToBC(year)),
year > 0 ? _T("AD") : _T("BC"));
return s;
}
};
// ----------------------------------------------------------------------------
// test data
// ----------------------------------------------------------------------------
static const Date testDates[] =
{
{ 1, wxDateTime::Jan, 1970, 00, 00, 00, 2440587.5, wxDateTime::Thu, 0, -3600 },
{ 7, wxDateTime::Feb, 2036, 00, 00, 00, 2464730.5, wxDateTime::Thu, -1, -1 },
{ 8, wxDateTime::Feb, 2036, 00, 00, 00, 2464731.5, wxDateTime::Fri, -1, -1 },
{ 1, wxDateTime::Jan, 2037, 00, 00, 00, 2465059.5, wxDateTime::Thu, -1, -1 },
{ 1, wxDateTime::Jan, 2038, 00, 00, 00, 2465424.5, wxDateTime::Fri, -1, -1 },
{ 21, wxDateTime::Jan, 2222, 00, 00, 00, 2532648.5, wxDateTime::Mon, -1, -1 },
{ 29, wxDateTime::May, 1976, 12, 00, 00, 2442928.0, wxDateTime::Sat, 202219200, 202212000 },
{ 29, wxDateTime::Feb, 1976, 00, 00, 00, 2442837.5, wxDateTime::Sun, 194400000, 194396400 },
{ 1, wxDateTime::Jan, 1900, 12, 00, 00, 2415021.0, wxDateTime::Mon, -1, -1 },
{ 1, wxDateTime::Jan, 1900, 00, 00, 00, 2415020.5, wxDateTime::Mon, -1, -1 },
{ 15, wxDateTime::Oct, 1582, 00, 00, 00, 2299160.5, wxDateTime::Fri, -1, -1 },
{ 4, wxDateTime::Oct, 1582, 00, 00, 00, 2299149.5, wxDateTime::Mon, -1, -1 },
{ 1, wxDateTime::Mar, 1, 00, 00, 00, 1721484.5, wxDateTime::Thu, -1, -1 },
{ 1, wxDateTime::Jan, 1, 00, 00, 00, 1721425.5, wxDateTime::Mon, -1, -1 },
{ 31, wxDateTime::Dec, 0, 00, 00, 00, 1721424.5, wxDateTime::Sun, -1, -1 },
{ 1, wxDateTime::Jan, 0, 00, 00, 00, 1721059.5, wxDateTime::Sat, -1, -1 },
{ 12, wxDateTime::Aug, -1234, 00, 00, 00, 1270573.5, wxDateTime::Fri, -1, -1 },
{ 12, wxDateTime::Aug, -4000, 00, 00, 00, 260313.5, wxDateTime::Sat, -1, -1 },
{ 24, wxDateTime::Nov, -4713, 00, 00, 00, -0.5, wxDateTime::Mon, -1, -1 },
};
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class DateTimeTestCase : public CppUnit::TestCase
{
public:
DateTimeTestCase() { }
private:
CPPUNIT_TEST_SUITE( DateTimeTestCase );
CPPUNIT_TEST( TestLeapYears );
CPPUNIT_TEST( TestTimeSet );
CPPUNIT_TEST( TestTimeJDN );
CPPUNIT_TEST( TestTimeWNumber );
CPPUNIT_TEST( TestTimeWDays );
CPPUNIT_TEST( TestTimeDST );
CPPUNIT_TEST( TestTimeFormat );
CPPUNIT_TEST( TestTimeTicks );
CPPUNIT_TEST( TestTimeParse );
CPPUNIT_TEST( TestTimeArithmetics );
CPPUNIT_TEST_SUITE_END();
void TestLeapYears();
void TestTimeSet();
void TestTimeJDN();
void TestTimeWNumber();
void TestTimeWDays();
void TestTimeDST();
void TestTimeFormat();
void TestTimeTicks();
void TestTimeParse();
void TestTimeArithmetics();
DECLARE_NO_COPY_CLASS(DateTimeTestCase)
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( DateTimeTestCase );
// also include in it's own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( DateTimeTestCase, "DateTimeTestCase" );
// ============================================================================
// implementation
// ============================================================================
// test leap years detection
void DateTimeTestCase::TestLeapYears()
{
static const struct LeapYearTestData
{
int year;
bool isLeap;
} years[] =
{
{ 1900, false },
{ 1990, false },
{ 1976, true },
{ 2000, true },
{ 2030, false },
{ 1984, true },
{ 2100, false },
{ 2400, true },
};
for ( size_t n = 0; n < WXSIZEOF(years); n++ )
{
const LeapYearTestData& y = years[n];
CPPUNIT_ASSERT( wxDateTime::IsLeapYear(y.year) == y.isLeap );
}
}
// test constructing wxDateTime objects
void DateTimeTestCase::TestTimeSet()
{
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();
CPPUNIT_ASSERT( s1 == s2 );
}
}
// test conversions to JDN &c
void DateTimeTestCase::TestTimeJDN()
{
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();
CPPUNIT_ASSERT( jdn == d.jdn );
dt.Set(jdn);
CPPUNIT_ASSERT( dt.GetJulianDayNumber() == jdn );
}
}
// test week days computation
void DateTimeTestCase::TestTimeWDays()
{
// 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();
CPPUNIT_ASSERT( wday == d.wday );
}
// 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 = _T("first"); break;
case 2: which = _T("second"); break;
case 3: which = _T("third"); break;
case 4: which = _T("fourth"); break;
case 5: which = _T("fifth"); break;
case -1: which = _T("last"); break;
}
if ( nWeek < -1 )
{
which += _T(" from end");
}
s.Printf(_T("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 },
};
wxDateTime dt;
for ( n = 0; n < WXSIZEOF(weekDatesTestData); n++ )
{
const WeekDateTestData& wd = weekDatesTestData[n];
dt.SetToWeekDay(wd.wday, wd.nWeek, wd.month, wd.year);
const Date& d = wd.date;
CPPUNIT_ASSERT( d.SameDay(dt.GetTm()) );
}
}
// test the computation of (ISO) week numbers
void DateTimeTestCase::TestTimeWNumber()
{
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 },
{ { 30, wxDateTime::Dec, 2003 }, 1, 5, 5, 364 },
{ { 2, wxDateTime::Jan, 2004 }, 1, 1, 1, 2 },
};
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();
CPPUNIT_ASSERT( dnum == wn.dnum );
CPPUNIT_ASSERT( wmon == wn.wmon );
CPPUNIT_ASSERT( wmon2 == wn.wmon2 );
CPPUNIT_ASSERT( week == wn.week );
wxDateTime dt2(1, wxDateTime::Jan, d.year);
dt2.SetToTheWeek(wn.week, dt.GetWeekDay());
CPPUNIT_ASSERT( dt2 == dt );
}
}
// test DST applicability
void DateTimeTestCase::TestTimeDST()
{
// 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 },
}
};
for ( int year = 1990; year < 2005; year++ )
{
wxDateTime dtBegin = wxDateTime::GetBeginDST(year, wxDateTime::USA),
dtEnd = wxDateTime::GetEndDST(year, wxDateTime::USA);
size_t n = year - 1990;
const Date& dBegin = datesDST[0][n];
const Date& dEnd = datesDST[1][n];
CPPUNIT_ASSERT( dBegin.SameDay(dtBegin.GetTm()) );
CPPUNIT_ASSERT( dEnd.SameDay(dtEnd.GetTm()) );
}
}
// test wxDateTime -> text conversion
void DateTimeTestCase::TestTimeFormat()
{
// 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 wxChar *format;
} formatTestFormats[] =
{
{ CompareBoth, _T("---> %c") },
{ CompareDate, _T("Date is %A, %d of %B, in year %Y") },
{ CompareBoth, _T("Date is %x, time is %X") },
{ CompareTime, _T("Time is %H:%M:%S or %I:%M:%S %p") },
{ CompareNone, _T("The day of year: %j, the week of year: %W") },
{ CompareDate, _T("ISO date without separators: %Y%m%d") },
};
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
};
for ( size_t d = 0; d < WXSIZEOF(formatTestDates) + 1; d++ )
{
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);
// 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?
CPPUNIT_ASSERT( kind == CompareNone );
}
else // conversion succeeded
{
// should have parsed the entire string
CPPUNIT_ASSERT( !*result );
switch ( kind )
{
case CompareBoth:
CPPUNIT_ASSERT( dt2 == dt );
break;
case CompareDate:
CPPUNIT_ASSERT( dt.IsSameDate(dt2) );
break;
case CompareTime:
CPPUNIT_ASSERT( dt.IsSameTime(dt2) );
break;
}
}
}
}
}
void DateTimeTestCase::TestTimeTicks()
{
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();
CPPUNIT_ASSERT( ticks == d.ticks );
dt = d.DT().ToTimezone(wxDateTime::GMT0);
ticks = (dt.GetValue() / 1000).ToLong();
CPPUNIT_ASSERT( ticks == d.gmticks );
}
}
// test text -> wxDateTime conversion
void DateTimeTestCase::TestTimeParse()
{
static const struct ParseTestData
{
const wxChar *format;
Date date;
bool good;
} parseTestDates[] =
{
{ _T("Sat, 18 Dec 1999 00:46:40 +0100"), { 18, wxDateTime::Dec, 1999, 00, 46, 40 }, true },
{ _T("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 wxChar *format = parseTestDates[n].format;
wxDateTime dt;
if ( dt.ParseRfc822Date(format) )
{
CPPUNIT_ASSERT( parseTestDates[n].good );
wxDateTime dtReal = parseTestDates[n].date.DT();
CPPUNIT_ASSERT( dt == dtReal );
}
else // failed to parse
{
CPPUNIT_ASSERT( !parseTestDates[n].good );
}
}
}
void DateTimeTestCase::TestTimeArithmetics()
{
static const wxDateSpan testArithmData[] =
{
wxDateSpan::Day(),
wxDateSpan::Week(),
wxDateSpan::Month(),
wxDateSpan::Year(),
};
// the test will *not* work with arbitrary date!
wxDateTime dt(2, wxDateTime::Dec, 1999),
dt1,
dt2;
for ( size_t n = 0; n < WXSIZEOF(testArithmData); n++ )
{
const wxDateSpan& span = testArithmData[n];
dt1 = dt + span;
dt2 = dt - span;
CPPUNIT_ASSERT( dt1 - span == dt );
CPPUNIT_ASSERT( dt2 + span == dt );
CPPUNIT_ASSERT( dt2 + 2*span == dt1 );
}
}