175 lines
5.5 KiB
C++
175 lines
5.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2019 Crimson AS <info@crimson.no>
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** Copyright (C) 2018 Klaralvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author David Faure <david.faure@kdab.com>
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QTimeZone>
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#include <QTest>
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#include <qdebug.h>
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// Enable to test *every* zone, rather than a hand-picked few, in some _data() sets:
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// #define EXHAUSTIVE
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class tst_QTimeZone : public QObject
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{
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Q_OBJECT
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private Q_SLOTS:
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void isTimeZoneIdAvailable();
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void systemTimeZone();
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void zoneByName_data();
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void zoneByName();
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void transitionList_data();
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void transitionList();
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void transitionsForward_data() { transitionList_data(); }
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void transitionsForward();
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void transitionsReverse_data() { transitionList_data(); }
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void transitionsReverse();
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};
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static QVector<QByteArray> enoughZones()
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{
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#ifdef EXHAUSTIVE
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auto available = QTimeZone::availableTimeZoneIds();
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QVector<QByteArray> result;
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result.reserve(available.size() + 1);
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for (conat auto &name : available)
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result << name;
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#else
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QVector<QByteArray> result{
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QByteArray("UTC"),
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// Those named overtly in tst_QDateTime:
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QByteArray("Europe/Oslo"),
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QByteArray("America/Vancouver"),
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QByteArray("Europe/Berlin"),
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QByteArray("America/Sao_Paulo"),
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QByteArray("Pacific/Auckland"),
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QByteArray("Australia/Eucla"),
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QByteArray("Asia/Kathmandu"),
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QByteArray("Pacific/Kiritimati"),
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QByteArray("Pacific/Apia"),
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QByteArray("UTC+12:00"),
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QByteArray("Australia/Sydney"),
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QByteArray("Asia/Singapore"),
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QByteArray("Australia/Brisbane")
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};
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#endif
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result << QByteArray("Vulcan/ShiKahr"); // invalid: also worth testing
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return result;
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}
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void tst_QTimeZone::isTimeZoneIdAvailable()
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{
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const QList<QByteArray> available = QTimeZone::availableTimeZoneIds();
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QBENCHMARK {
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for (const QByteArray &id : available)
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QVERIFY(QTimeZone::isTimeZoneIdAvailable(id));
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}
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}
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void tst_QTimeZone::systemTimeZone()
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{
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QBENCHMARK {
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QTimeZone::systemTimeZone();
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}
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}
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void tst_QTimeZone::zoneByName_data()
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{
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QTest::addColumn<QByteArray>("name");
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const auto names = enoughZones();
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for (const auto &name : names)
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QTest::newRow(name.constData()) << name;
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}
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void tst_QTimeZone::zoneByName()
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{
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QFETCH(QByteArray, name);
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QTimeZone zone;
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QBENCHMARK {
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zone = QTimeZone(name);
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}
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Q_UNUSED(zone);
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}
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void tst_QTimeZone::transitionList_data()
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{
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QTest::addColumn<QByteArray>("name");
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QTest::newRow("system") << QByteArray(); // Handled specially in the test.
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const auto names = enoughZones();
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for (const auto &name : names) {
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QTimeZone zone(name);
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if (zone.isValid() && zone.hasTransitions())
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QTest::newRow(name.constData()) << name;
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}
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}
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void tst_QTimeZone::transitionList()
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{
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QFETCH(QByteArray, name);
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const QTimeZone zone = name.isEmpty() ? QTimeZone::systemTimeZone() : QTimeZone(name);
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const QDateTime early = QDate(1625, 6, 8).startOfDay(Qt::UTC); // Cassini's birth date
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const QDateTime late // End of 32-bit signed time_t
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= QDateTime::fromSecsSinceEpoch(std::numeric_limits<qint32>::max(), Qt::UTC);
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QTimeZone::OffsetDataList seq;
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QBENCHMARK {
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seq = zone.transitions(early, late);
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}
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Q_UNUSED(seq);
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}
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void tst_QTimeZone::transitionsForward()
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{
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QFETCH(QByteArray, name);
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const QTimeZone zone = name.isEmpty() ? QTimeZone::systemTimeZone() : QTimeZone(name);
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const QDateTime early = QDate(1625, 6, 8).startOfDay(Qt::UTC); // Cassini's birth date
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QBENCHMARK {
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QTimeZone::OffsetData tran = zone.nextTransition(early);
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while (tran.atUtc.isValid())
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tran = zone.nextTransition(tran.atUtc);
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}
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}
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void tst_QTimeZone::transitionsReverse()
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{
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QFETCH(QByteArray, name);
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const QTimeZone zone = name.isEmpty() ? QTimeZone::systemTimeZone() : QTimeZone(name);
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const QDateTime late // End of 32-bit signed time_t
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= QDateTime::fromSecsSinceEpoch(std::numeric_limits<qint32>::max(), Qt::UTC);
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QBENCHMARK {
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QTimeZone::OffsetData tran = zone.previousTransition(late);
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while (tran.atUtc.isValid())
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tran = zone.previousTransition(tran.atUtc);
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}
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}
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QTEST_MAIN(tst_QTimeZone)
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#include "main.moc"
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