#pragma hdrstop
#endif
+#if wxUSE_DATETIME
+
#ifndef WX_PRECOMP
+ #include "wx/time.h" // wxGetTimeZone()
#endif // WX_PRECOMP
-#if wxUSE_DATETIME
-
-#include "wx/datetime.h"
#include "wx/wxcrt.h" // for wxStrstr()
-// need this to be able to use CPPUNIT_ASSERT_EQUAL with wxDateTime objects
-static std::ostream& operator<<(std::ostream& ostr, const wxDateTime& dt)
-{
- ostr << dt.FormatISOCombined(' ');
-
- return ostr;
-}
-
-WX_CPPUNIT_ALLOW_EQUALS_TO_INT(wxDateTime::wxDateTime_t)
+#include "testdate.h"
// to test Today() meaningfully we must be able to change the system date which
// is not usually the case, but if we're under Win32 we can try it -- define
#endif // CHANGE_SYSTEM_DATE
+// helper function translating week day/month names from English to the current
+// locale
+static wxString TranslateDate(const wxString& str)
+{
+ // small optimization: if there are no alphabetic characters in the string,
+ // there is nothing to translate
+ wxString::const_iterator i, end = str.end();
+ for ( i = str.begin(); i != end; ++i )
+ {
+ if ( isalpha(*i) )
+ break;
+ }
+
+ if ( i == end )
+ return str;
+
+ wxString trans(str);
+
+ for ( wxDateTime::WeekDay wd = wxDateTime::Sun;
+ wd < wxDateTime::Inv_WeekDay;
+ wxNextWDay(wd) )
+ {
+ trans.Replace
+ (
+ wxDateTime::GetEnglishWeekDayName(wd, wxDateTime::Name_Abbr),
+ wxDateTime::GetWeekDayName(wd, wxDateTime::Name_Abbr)
+ );
+ }
+
+ for ( wxDateTime::Month mon = wxDateTime::Jan;
+ mon < wxDateTime::Inv_Month;
+ wxNextMonth(mon) )
+ {
+ trans.Replace
+ (
+ wxDateTime::GetEnglishMonthName(mon, wxDateTime::Name_Abbr),
+ wxDateTime::GetMonthName(mon, wxDateTime::Name_Abbr)
+ );
+ }
+
+ return trans;
+}
+
// ----------------------------------------------------------------------------
// broken down date representation used for testing
// ----------------------------------------------------------------------------
wxString Format() const
{
wxString s;
- s.Printf(_T("%02d:%02d:%02d %10s %02d, %4d%s"),
+ s.Printf(wxT("%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"));
+ year > 0 ? wxT("AD") : wxT("BC"));
return s;
}
wxString FormatDate() const
{
wxString s;
- s.Printf(_T("%02d-%s-%4d%s"),
+ s.Printf(wxT("%02d-%s-%4d%s"),
day,
wxDateTime::GetMonthName(month, wxDateTime::Name_Abbr).c_str(),
abs(wxDateTime::ConvertYearToBC(year)),
- year > 0 ? _T("AD") : _T("BC"));
+ year > 0 ? wxT("AD") : wxT("BC"));
return s;
}
};
CPPUNIT_TEST( TestTimeWDays );
CPPUNIT_TEST( TestTimeDST );
CPPUNIT_TEST( TestTimeFormat );
+ CPPUNIT_TEST( TestTimeParse );
CPPUNIT_TEST( TestTimeSpanFormat );
CPPUNIT_TEST( TestTimeTicks );
CPPUNIT_TEST( TestParceRFC822 );
void TestTimeWDays();
void TestTimeDST();
void TestTimeFormat();
+ void TestTimeParse();
void TestTimeSpanFormat();
void TestTimeTicks();
void TestParceRFC822();
// 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
+// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( DateTimeTestCase, "DateTimeTestCase" );
// ============================================================================
{
const LeapYearTestData& y = years[n];
- CPPUNIT_ASSERT( wxDateTime::IsLeapYear(y.year) == y.isLeap );
+ CPPUNIT_ASSERT_EQUAL( y.isLeap, wxDateTime::IsLeapYear(y.year) );
}
}
wxString s1 = d1.Format(),
s2 = d2.Format();
- CPPUNIT_ASSERT( s1 == s2 );
+ CPPUNIT_ASSERT_EQUAL( s1, s2 );
}
}
wxDateTime dt(d.day, d.month, d.year, d.hour, d.min, d.sec);
wxDateTime::WeekDay wday = dt.GetWeekDay();
- CPPUNIT_ASSERT( wday == d.wday );
+ CPPUNIT_ASSERT_EQUAL( d.wday, wday );
}
// test SetToWeekDay()
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 = wxT("first"); break;
+ case 2: which = wxT("second"); break;
+ case 3: which = wxT("third"); break;
+ case 4: which = wxT("fourth"); break;
+ case 5: which = wxT("fifth"); break;
- case -1: which = _T("last"); break;
+ case -1: which = wxT("last"); break;
}
if ( nWeek < -1 )
{
- which += _T(" from end");
+ which += wxT(" from end");
}
- s.Printf(_T("The %s %s of %s in %d"),
+ s.Printf(wxT("The %s %s of %s in %d"),
which.c_str(),
wxDateTime::GetWeekDayName(wday).c_str(),
wxDateTime::GetMonthName(month).c_str(),
{ { 16, wxDateTime::Oct, 1942, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 42, 3, 3, 289 },
{ { 30, wxDateTime::Dec, 2003, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 1, 5, 5, 364 },
{ { 2, wxDateTime::Jan, 2004, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 1, 1, 1, 2 },
+ { { 5, wxDateTime::Jan, 2010, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 1, 2, 2, 5 },
+ { { 3, wxDateTime::Jan, 2011, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 1, 2, 2, 3 },
+ { { 31, wxDateTime::Dec, 2009, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 53, 5, 5, 365 },
+ { { 31, wxDateTime::Dec, 2012, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 1, 6, 6, 366 },
+ { { 29, wxDateTime::Dec, 2013, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 52, 5, 5, 363 },
+ { { 30, wxDateTime::Dec, 2013, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 1, 6, 5, 364 },
+ { { 31, wxDateTime::Dec, 2013, 0, 0, 0, 0.0, wxDateTime::Inv_WeekDay, 0 }, 1, 6, 5, 365 },
};
for ( size_t n = 0; n < WXSIZEOF(weekNumberTestDates); n++ )
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 );
+ WX_ASSERT_EQUAL_MESSAGE( ("day of year for %s", d.Format()),
+ wn.dnum, dnum );
+ WX_ASSERT_EQUAL_MESSAGE( ("week of month (Monday) for %s", d.Format()),
+ wn.wmon, wmon );
+ WX_ASSERT_EQUAL_MESSAGE( ("week of month (Sunday) for %s", d.Format()),
+ wn.wmon2, wmon2 );
+ WX_ASSERT_EQUAL_MESSAGE( ("week of year for %s", d.Format()),
+ wn.week, week );
int year = d.year;
if ( week == 1 && d.month != wxDateTime::Jan )
wxDateTime
dt2 = wxDateTime::SetToWeekOfYear(year, week, dt.GetWeekDay());
- CPPUNIT_ASSERT( dt2 == dt );
+ CPPUNIT_ASSERT_EQUAL( dt, dt2 );
}
}
{ 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: %Y%m%d" },
+ { CompareBoth, "RFC 2822 string: %Y-%m-%d %H:%M:%S.%l %z" },
+
+ };
+
+ const long timeZonesOffsets[] =
+ {
+ wxDateTime::TimeZone(wxDateTime::Local).GetOffset(),
+
+ // Fictitious TimeZone offsets to ensure time zone formating and
+ // interpretation works
+ -(3600 + 2*60),
+ 3*3600 + 30*60
};
static const Date formatTestDates[] =
{ 6, wxDateTime::Feb, 1856, 23, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
{ 6, wxDateTime::Feb, 1857, 23, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
{ 29, wxDateTime::May, 2076, 18, 30, 00, 0.0, wxDateTime::Inv_WeekDay },
- { 29, wxDateTime::Feb, 2400, 02, 15, 25, 0.0, wxDateTime::Inv_WeekDay },
+
+ // FIXME: the test with 02:15:25 time doesn't pass because of DST
+ // computation problems, we get back 03:15:25
+ { 29, wxDateTime::Feb, 2400, 04, 15, 25, 0.0, wxDateTime::Inv_WeekDay },
#if 0
// Need to add support for BCE dates.
{ 01, wxDateTime::Jan, -52, 03, 16, 47, 0.0, wxDateTime::Inv_WeekDay },
#endif
};
- for ( size_t d = 0; d < WXSIZEOF(formatTestDates); d++ )
+ for ( unsigned idxtz = 0; idxtz < WXSIZEOF(timeZonesOffsets); ++idxtz )
{
- wxDateTime dt = formatTestDates[d].DT();
- for ( size_t n = 0; n < WXSIZEOF(formatTestFormats); n++ )
- {
- const char *fmt = formatTestFormats[n].format;
-
- // skip the check with %p for those locales which have empty AM/PM strings:
- // for those locales it's impossible to pass the test with %p...
- wxString am, pm;
- wxDateTime::GetAmPmStrings(&am, &pm);
- if (am.empty() && pm.empty() && wxStrstr(fmt, "%p") != NULL)
- continue;
+ wxDateTime::TimeZone tz(timeZonesOffsets[idxtz]);
+ const bool isLocalTz = tz.GetOffset() == -wxGetTimeZone();
- wxString s = dt.Format(fmt);
+ for ( size_t d = 0; d < WXSIZEOF(formatTestDates); d++ )
+ {
+ wxDateTime dt = formatTestDates[d].DT();
+ for ( unsigned n = 0; n < WXSIZEOF(formatTestFormats); n++ )
+ {
+ const char *fmt = formatTestFormats[n].format;
+
+ // skip the check with %p for those locales which have empty AM/PM strings:
+ // for those locales it's impossible to pass the test with %p...
+ wxString am, pm;
+ wxDateTime::GetAmPmStrings(&am, &pm);
+ if (am.empty() && pm.empty() && wxStrstr(fmt, "%p") != NULL)
+ continue;
+
+ // what can we recover?
+ CompareKind kind = formatTestFormats[n].compareKind;
+
+ // When using a different time zone we must perform a time zone
+ // conversion below which doesn't always work correctly, check
+ // for the cases when it doesn't.
+ if ( !isLocalTz )
+ {
+ // DST computation doesn't work correctly for dates above
+ // 2038 currently on the systems with 32 bit time_t.
+ if ( dt.GetYear() >= 2038 )
+ continue;
+
+ // We can't compare just dates nor just times when doing TZ
+ // conversion as both are affected by the DST: for the
+ // dates, the DST can switch midnight to 23:00 of the
+ // previous day while for the times DST can be different
+ // for the original date and today.
+ if ( kind == CompareDate || kind == CompareTime )
+ continue;
+ }
- // what can we recover?
- CompareKind kind = formatTestFormats[n].compareKind;
+ // do convert date to string
+ wxString s = dt.Format(fmt, tz);
- // convert back
- wxDateTime dt2;
- const char *result = dt2.ParseFormat(s, fmt);
- if ( !result )
- {
- // conversion failed - should it have?
- CPPUNIT_ASSERT( kind == CompareNone );
- }
- else // conversion succeeded
- {
- // ParseFormat() should have parsed the entire string or left
- // some final useless strings (e.g. with Italian locale the
- // 's' string for the first test date looks like
- // "---> sab 29 mag 1976 18:30:00 CET"
- // so we just need to ignore CET)
- CPPUNIT_ASSERT( !*result || strcmp(result, "CET") == 0 );
-
- switch ( kind )
+ // convert back
+ wxDateTime dt2;
+ const char *result = dt2.ParseFormat(s, fmt);
+ if ( !result )
+ {
+ // conversion failed - should it have?
+ WX_ASSERT_MESSAGE(
+ ("Test #%u failed: failed to parse \"%s\"", n, s),
+ kind == CompareNone
+ );
+ }
+ else // conversion succeeded
{
- case CompareYear:
- if ( dt2.GetCentury() != dt.GetCentury() )
- {
- CPPUNIT_ASSERT_EQUAL(dt.GetYear() % 100,
- dt2.GetYear() % 100);
-
- dt2.SetYear(dt.GetYear());
- }
- // fall through and compare everything
-
- case CompareBoth:
- CPPUNIT_ASSERT_EQUAL( dt, dt2 );
- break;
-
- case CompareDate:
- CPPUNIT_ASSERT( dt.IsSameDate(dt2) );
- break;
-
- case CompareTime:
- CPPUNIT_ASSERT( dt.IsSameTime(dt2) );
- break;
-
- case CompareNone:
- wxFAIL_MSG( _T("unexpected") );
- break;
+ // currently ParseFormat() doesn't support "%Z" and so is
+ // incapable of parsing time zone part used at the end of date
+ // representations in many (but not "C") locales, compensate
+ // for it ourselves by simply consuming and ignoring it
+ while ( *result && (*result >= 'A' && *result <= 'Z') )
+ result++;
+
+ WX_ASSERT_MESSAGE(
+ ("Test #%u failed: \"%s\" was left unparsed in \"%s\"",
+ n, result, s),
+ !*result
+ );
+
+ // Without "%z" we can't recover the time zone used in the
+ // call to Format() so we need to call MakeFromTimezone()
+ // explicitly.
+ if ( !strstr(fmt, "%z") && !isLocalTz )
+ dt2.MakeFromTimezone(tz);
+
+ switch ( kind )
+ {
+ case CompareYear:
+ if ( dt2.GetCentury() != dt.GetCentury() )
+ {
+ CPPUNIT_ASSERT_EQUAL(dt.GetYear() % 100,
+ dt2.GetYear() % 100);
+
+ dt2.SetYear(dt.GetYear());
+ }
+ // fall through and compare everything
+
+ case CompareBoth:
+ CPPUNIT_ASSERT_EQUAL( dt, dt2 );
+ break;
+
+ case CompareDate:
+ CPPUNIT_ASSERT( dt.IsSameDate(dt2) );
+ break;
+
+ case CompareTime:
+ CPPUNIT_ASSERT( dt.IsSameTime(dt2) );
+ break;
+
+ case CompareNone:
+ wxFAIL_MSG( wxT("unexpected") );
+ break;
+ }
}
}
}
wxDateTime dt;
+#if 0
+ // special case which was known to fail
+ CPPUNIT_ASSERT( dt.ParseFormat("02/06/1856", "%x") );
+ CPPUNIT_ASSERT_EQUAL( 1856, dt.GetYear() );
+#endif
+
+ // also test %l separately
+ CPPUNIT_ASSERT( dt.ParseFormat("12:23:45.678", "%H:%M:%S.%l") );
+ CPPUNIT_ASSERT_EQUAL( 678, dt.GetMillisecond() );
+
+ // test special case of %l matching 0 milliseconds
+ CPPUNIT_ASSERT( dt.ParseFormat("12:23:45.000", "%H:%M:%S.%l") );
+ CPPUNIT_ASSERT_EQUAL( 0, dt.GetMillisecond() );
+
// test partially specified dates too
wxDateTime dtDef(26, wxDateTime::Sep, 2008);
CPPUNIT_ASSERT( dt.ParseFormat("17", "%d") );
CPPUNIT_ASSERT_EQUAL( 17, dt.GetDay() );
+ // test some degenerate cases
+ CPPUNIT_ASSERT( !dt.ParseFormat("", "%z") );
+ CPPUNIT_ASSERT( !dt.ParseFormat("", "%%") );
+
// test compilation of some calls which should compile (and not result in
// ambiguity because of char*<->wxCStrData<->wxString conversions)
wxString s("foo");
CPPUNIT_ASSERT( !dt.ParseFormat("foo") );
CPPUNIT_ASSERT( !dt.ParseFormat(wxT("foo")) );
CPPUNIT_ASSERT( !dt.ParseFormat(s) );
- CPPUNIT_ASSERT( !dt.ParseFormat(s.c_str()) );
+ dt.ParseFormat(s.c_str()); // Simply test compilation of this one.
CPPUNIT_ASSERT( !dt.ParseFormat("foo", "%c") );
CPPUNIT_ASSERT( !dt.ParseFormat(wxT("foo"), "%c") );
CPPUNIT_ASSERT( !dt.ParseFormat(s, "%c") );
- CPPUNIT_ASSERT( !dt.ParseFormat(s.c_str(), "%c") );
+ dt.ParseFormat(s.c_str(), "%c");
CPPUNIT_ASSERT( !dt.ParseFormat("foo", wxT("%c")) );
CPPUNIT_ASSERT( !dt.ParseFormat(wxT("foo"), wxT("%c")) );
CPPUNIT_ASSERT( !dt.ParseFormat(s, "%c") );
- CPPUNIT_ASSERT( !dt.ParseFormat(s.c_str(), wxT("%c")) );
+ dt.ParseFormat(s.c_str(), wxT("%c"));
wxString spec("%c");
CPPUNIT_ASSERT( !dt.ParseFormat("foo", spec) );
CPPUNIT_ASSERT( !dt.ParseFormat(wxT("foo"), spec) );
CPPUNIT_ASSERT( !dt.ParseFormat(s, spec) );
- CPPUNIT_ASSERT( !dt.ParseFormat(s.c_str(), spec) );
+ dt.ParseFormat(s.c_str(), spec);
+}
+
+// Test parsing time in free format.
+void DateTimeTestCase::TestTimeParse()
+{
+ wxDateTime dt;
+
+ // Parsing standard formats should work.
+ CPPUNIT_ASSERT( dt.ParseTime("12:34:56") );
+ CPPUNIT_ASSERT_EQUAL( "12:34:56", dt.FormatISOTime() );
+
+ // Parsing just hours should work too.
+ dt.ResetTime();
+ CPPUNIT_ASSERT( dt.ParseTime("17") );
+ CPPUNIT_ASSERT_EQUAL( "17:00:00", dt.FormatISOTime() );
+
+ // Parsing gibberish shouldn't work.
+ CPPUNIT_ASSERT( !dt.ParseTime("bloordyblop") );
}
void DateTimeTestCase::TestTimeSpanFormat()
{ "29 Feb 2006" },
{ "31/04/06" },
{ "bloordyblop" },
+ { "2 . . " },
};
// special cases
wxDateTime dt;
- CPPUNIT_ASSERT( dt.ParseDate(_T("today")) );
+ CPPUNIT_ASSERT( dt.ParseDate(wxT("today")) );
CPPUNIT_ASSERT_EQUAL( wxDateTime::Today(), dt );
for ( size_t n = 0; n < WXSIZEOF(parseTestDates); n++ )
{
- const char * const datestr = parseTestDates[n].str;
+ const wxString datestr = TranslateDate(parseTestDates[n].str);
const char * const end = dt.ParseDate(datestr);
if ( end && !*end )
);
}
}
+
+ // Check that incomplete parse works correctly.
+ const char* p = dt.ParseFormat("2012-03-23 12:34:56", "%Y-%m-%d");
+ CPPUNIT_ASSERT_EQUAL( " 12:34:56", wxString(p) );
}
void DateTimeTestCase::TestDateParseISO()
bool good;
} parseTestDates[] =
{
- { "Thu 22 Nov 2007 07:40:00 PM",
- { 22, wxDateTime::Nov, 2007, 19, 40, 0}, true },
+ {
+ "Thu 22 Nov 2007 07:40:00 PM",
+ { 22, wxDateTime::Nov, 2007, 19, 40, 0 },
+ true
+ },
+
+ {
+ "2010-01-04 14:30",
+ { 4, wxDateTime::Jan, 2010, 14, 30, 0 },
+ true
+ },
+
+ {
+ "bloordyblop",
+ { 1, wxDateTime::Jan, 9999, 0, 0, 0},
+ false
+ },
+
+ {
+ "2012-01-01 10:12:05 +0100",
+ { 1, wxDateTime::Jan, 2012, 10, 12, 5, -1 },
+ false // ParseDateTime does know yet +0100
+ },
};
- // special cases
+ // the test strings here use "PM" which is not available in all locales so
+ // we need to use "C" locale for them
+ CLocaleSetter cloc;
+
wxDateTime dt;
for ( size_t n = 0; n < WXSIZEOF(parseTestDates); n++ )
{
- const char * const datestr = parseTestDates[n].str;
+ const wxString datestr = TranslateDate(parseTestDates[n].str);
- if ( dt.ParseDateTime(datestr) )
+ const char * const end = dt.ParseDateTime(datestr);
+ if ( end && !*end )
{
WX_ASSERT_MESSAGE(
("Erroneously parsed \"%s\"", datestr),
dt1 = dt + span;
dt2 = dt - span;
- CPPUNIT_ASSERT( dt1 - span == dt );
- CPPUNIT_ASSERT( dt2 + span == dt );
- CPPUNIT_ASSERT( dt2 + 2*span == dt1 );
+ CPPUNIT_ASSERT_EQUAL( dt, dt1 - span );
+ CPPUNIT_ASSERT_EQUAL( dt, dt2 + span );
+ CPPUNIT_ASSERT_EQUAL( dt1, dt2 + 2*span );
+ CPPUNIT_ASSERT_EQUAL( span, dt1.DiffAsDateSpan(dt) );
}
+
+ // More date span arithmetics tests
+ wxDateTime dtd1(5, wxDateTime::Jun, 1998);
+ wxDateTime dtd2(6, wxDateTime::Aug, 1999);
+
+ // All parts in dtd2 is after dtd1
+ CPPUNIT_ASSERT_EQUAL( wxDateSpan(1, 2, 0, 1), dtd2.DiffAsDateSpan(dtd1) );
+
+ // Year and month after, day earlier, so no full month
+ // Jul has 31 days, so it's 31 - 5 + 4 = 30, or 4w 2d
+ dtd2.Set(4, wxDateTime::Aug, 1999);
+ CPPUNIT_ASSERT_EQUAL( wxDateSpan(1, 1, 4, 2), dtd2.DiffAsDateSpan(dtd1) );
+
+ // Year and day after, month earlier, so no full year, but same day diff as
+ // first example
+ dtd2.Set(6, wxDateTime::May, 1999);
+ CPPUNIT_ASSERT_EQUAL( wxDateSpan(0, 11, 0, 1), dtd2.DiffAsDateSpan(dtd1) );
+
+ // Year after, month and day earlier, so no full month and no full year
+ // April has 30 days, so it's 30 - 5 + 4 = 29, or 4w 1d
+ dtd2.Set(4, wxDateTime::May, 1999);
+ CPPUNIT_ASSERT_EQUAL( wxDateSpan(0, 10, 4, 1), dtd2.DiffAsDateSpan(dtd1) );
+
+ // And a reverse. Now we should use days in Jun (again 30 => 4w 1d)
+ CPPUNIT_ASSERT_EQUAL( wxDateSpan(0, -10, -4, -1), dtd1.DiffAsDateSpan(dtd2) );
}
void DateTimeTestCase::TestDSTBug()