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QTimeZone: Convert fractional timezones properly.

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[ChangeLog][QtCore][QTimeZone] Fixed a wrong timezone conversion when
the POSIX timezone rule contains a fractional timezone (e.g. VET4:30).

Task-number: QTBUG-47037
Change-Id: I5d9052929bbcde174614ccf07c329264603e6431
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Cesar Garcia Naranjo 2015-07-06 13:23:10 +00:00 committed by Thiago Macieira
parent 9072edb5f7
commit 5c67ce5d6d
2 changed files with 31 additions and 6 deletions
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19
src/corelib/tools/qtimezoneprivate_tz.cpp
View File

@ -389,12 +389,19 @@ static int parsePosixOffset(const QByteArray &timeRule)
// Format "[+|-]hh[:mm[:ss]]"
QList<QByteArray> parts = timeRule.split(':');
int count = parts.count();
if (count == 3)
return (parts.at(0).toInt() * -60 * 60) + (parts.at(1).toInt() * 60) + parts.at(2).toInt();
else if (count == 2)
return (parts.at(0).toInt() * -60 * 60) + (parts.at(1).toInt() * 60);
else if (count == 1)
return (parts.at(0).toInt() * -60 * 60);
if (count == 3) {
int hour = parts.at(0).toInt();
int sign = hour >= 0 ? -1 : 1;
return sign * ((qAbs(hour) * 60 * 60) + (parts.at(1).toInt() * 60) + parts.at(2).toInt());
} else if (count == 2) {
int hour = parts.at(0).toInt();
int sign = hour >= 0 ? -1 : 1;
return sign * ((qAbs(hour) * 60 * 60) + (parts.at(1).toInt() * 60));
} else if (count == 1) {
int hour = parts.at(0).toInt();
int sign = hour >= 0 ? -1 : 1;
return sign * (qAbs(hour) * 60 * 60);
}
return 0;
}

18
tests/auto/corelib/tools/qtimezone/tst_qtimezone.cpp
View File

@ -823,6 +823,24 @@ void tst_QTimeZone::tzTest()
QCOMPARE(dat.offsetFromUtc, 3600);
QCOMPARE(dat.standardTimeOffset, 3600);
QCOMPARE(dat.daylightTimeOffset, 0);
// Test TZ timezone vs UTC timezone for fractionary negative offset
QTzTimeZonePrivate tztz1("America/Caracas");
QUtcTimeZonePrivate tzutc1("UTC-04:30");
QVERIFY(tztz1.isValid());
QVERIFY(tzutc1.isValid());
QTzTimeZonePrivate::Data datatz1 = tztz1.data(std);
QTzTimeZonePrivate::Data datautc1 = tzutc1.data(std);
QCOMPARE(datatz1.offsetFromUtc, datautc1.offsetFromUtc);
// Test TZ timezone vs UTC timezone for fractionary positive offset
QTzTimeZonePrivate tztz2("Asia/Calcutta");
QUtcTimeZonePrivate tzutc2("UTC+05:30");
QVERIFY(tztz2.isValid());
QVERIFY(tzutc2.isValid());
QTzTimeZonePrivate::Data datatz2 = tztz2.data(std);
QTzTimeZonePrivate::Data datautc2 = tzutc2.data(std);
QCOMPARE(datatz2.offsetFromUtc, datautc2.offsetFromUtc);
#endif // Q_OS_UNIX
}