C++/Qt/QDate

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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.
*
*/
  1. include <QApplication>
  2. include <QLocale>
  3. include <QDate>
  4. include <QTime>
  5. include <QString>
  6. 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.
*
*/
  1. include <QtTest>
  2. include <QDate>
  3. 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.
*
*/
  1. ifndef DATETEST_H
  2. define DATETEST_H
  3. include <QObject>

class DateTest : public QObject { 

 Q_OBJECT

private slots: 

 void testAddDay();
 void testAddMonth();
 void testAddYear();
 void testValid();

};

  1. 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.
*
*/
  1. include <QtTest>
  2. include "datetest.h"

QTEST_MAIN( DateTest ) 


 </source>
Источник — «http://cppe.ru/index.php?title=C%2B%2B/Qt/QDate&oldid=1067»