C++/Qt/QDate — различия между версиями
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Текущая версия на 13:24, 25 мая 2010
QDate and QLocale
<source lang="cpp"> Foundations of Qt Development\Chapter10\locales\main.cpp /*
* Copyright (c) 2006-2007, Johan Thelin * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of APress nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */
- include <QApplication>
- include <QLocale>
- include <QDate>
- include <QTime>
- include <QString>
- include <QtDebug>
void printDates( QLocale loc ) {
QLocale::setDefault( loc ); QDate d1( 2006, 10, 12 ); QDate d2( 2006, 01, 31 ); QDate d3( 2006, 06, 06 ); qDebug() << "short"; qDebug() << loc.toString( d1, QLocale::ShortFormat ); qDebug() << loc.toString( d2, QLocale::ShortFormat ); qDebug() << loc.toString( d3, QLocale::ShortFormat ); qDebug() << "long"; qDebug() << loc.toString( d1, QLocale::LongFormat ); qDebug() << loc.toString( d2, QLocale::LongFormat ); qDebug() << loc.toString( d3, QLocale::LongFormat ); qDebug() << "default"; qDebug() << loc.toString( d1 ); qDebug() << loc.toString( d2 ); qDebug() << loc.toString( d3 );
} void printTimes( QLocale loc ) {
QLocale::setDefault( loc ); QTime t1( 6, 15, 45 ); QTime t2( 12, 00, 00 ); QTime t3( 18, 20, 25 ); qDebug() << "short"; qDebug() << loc.toString( t1, QLocale::ShortFormat ); qDebug() << loc.toString( t2, QLocale::ShortFormat ); qDebug() << loc.toString( t3, QLocale::ShortFormat ); qDebug() << "long"; qDebug() << loc.toString( t1, QLocale::LongFormat ); qDebug() << loc.toString( t2, QLocale::LongFormat ); qDebug() << loc.toString( t3, QLocale::LongFormat ); qDebug() << "default"; qDebug() << loc.toString( t1 ); qDebug() << loc.toString( t2 ); qDebug() << loc.toString( t3 );
} void printValues( QLocale loc ) {
QLocale::setDefault( loc ); double v1 = 3.1415; double v2 = 31415; double v3 = 1000.001; qDebug() << loc.toString( v1 ); qDebug() << loc.toString( v2 ); qDebug() << loc.toString( v3 );
} int main( int argc, char **argv ) {
QApplication app( argc, argv ); qDebug() << "Dates"; qDebug() << "Swedish"; printDates( QLocale( QLocale::Swedish, QLocale::Sweden ) ); qDebug() << "US English"; printDates( QLocale( QLocale::English, QLocale::UnitedStates ) ); qDebug() << "Times"; qDebug() << "Swedish"; printTimes( QLocale( QLocale::Swedish, QLocale::Sweden ) ); qDebug() << "US English"; printTimes( QLocale( QLocale::English, QLocale::UnitedStates ) ); qDebug() << "Values"; qDebug() << "Swedish"; printValues( QLocale( QLocale::Swedish, QLocale::Sweden ) ); qDebug() << "US English"; printValues( QLocale( QLocale::English, QLocale::UnitedStates ) );
}
</source>
Qt class test
<source lang="cpp">
Foundations of Qt Development\Chapter16\classtest\datetest.cpp /*
* Copyright (c) 2006-2007, Johan Thelin * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of APress nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */
- include <QtTest>
- include <QDate>
- include "datetest.h"
void DateTest::testAddDay() {
QDate date( 1979, 5, 16 ); QCOMPARE( date.year(), 1979 ); QCOMPARE( date.month(), 5 ); QCOMPARE( date.day(), 16 ); QDate next = date.addDays( 1 ); QCOMPARE( next.year(), 1979 ); QCOMPARE( next.month(), 5 ); QCOMPARE( next.day(), 17 ); next = date.addDays( 20 ); QCOMPARE( next.year(), 1979 ); QCOMPARE( next.month(), 6 ); QCOMPARE( next.day(), 5 ); next = date.addDays( 366 ); QCOMPARE( next.year(), 1980 ); QCOMPARE( next.month(), 5 ); QCOMPARE( next.day(), 16 );
} void DateTest::testAddMonth() {
QDate date( 1973, 8, 16 ); QCOMPARE( date.year(), 1973 ); QCOMPARE( date.month(), 8 ); QCOMPARE( date.day(), 16 ); QDate next = date.addMonths( 1 ); QCOMPARE( next.year(), 1973 ); QCOMPARE( next.month(), 9 ); QCOMPARE( next.day(), 16 ); next = date.addMonths( 12 ); QCOMPARE( next.year(), 1974 ); QCOMPARE( next.month(), 8 ); QCOMPARE( next.day(), 16 );
} void DateTest::testAddYear() {
QDate date( 1979, 12, 31 ); QCOMPARE( date.year(), 1979 ); QCOMPARE( date.month(), 12 ); QCOMPARE( date.day(), 31 ); QDate next = date.addYears( 28 ); QCOMPARE( next.year(), 2007 ); QCOMPARE( next.month(), 12 ); QCOMPARE( next.day(), 31 );
} void DateTest::testValid() {
QDate date; date = QDate(); QVERIFY( !date.isValid() ); date = QDate( 1979, 5, 16 ); QVERIFY( date.isValid() ); date = QDate( 1980, 2, 29 ); QVERIFY( date.isValid() ); date = QDate( 1979, 2, 29 ); QVERIFY( !date.isValid() );
}
Foundations of Qt Development\Chapter16\classtest\datetest.h /*
* Copyright (c) 2006-2007, Johan Thelin * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of APress nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */
- ifndef DATETEST_H
- define DATETEST_H
- include <QObject>
class DateTest : public QObject {
Q_OBJECT
private slots:
void testAddDay(); void testAddMonth(); void testAddYear(); void testValid();
};
- endif // DATETEST_H
Foundations of Qt Development\Chapter16\classtest\main.cpp /*
* Copyright (c) 2006-2007, Johan Thelin * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of APress nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */
- include <QtTest>
- include "datetest.h"
QTEST_MAIN( DateTest )
</source>