78     void showPrevNext_data();

    79     void showPrevNext();

   298 

   299 typedef void (QCalendarWidget::*ShowFunc)();

   300 Q_DECLARE_METATYPE(ShowFunc)

   301 

   302 void tst_QCalendarWidget::showPrevNext_data()

   303 {

   304     QTest::addColumn<ShowFunc>("function");

   305     QTest::addColumn<QDate>("dateOrigin");

   306     QTest::addColumn<QDate>("expectedDate");

   307 

   308     QTest::newRow("showNextMonth") << &QCalendarWidget::showNextMonth << QDate(1984,7,30) << QDate(1984,8,30);

   309     QTest::newRow("showPrevMonth") << &QCalendarWidget::showPreviousMonth << QDate(1984,7,30) << QDate(1984,6,30);

   310     QTest::newRow("showNextYear") << &QCalendarWidget::showNextYear << QDate(1984,7,30) << QDate(1985,7,30);

   311     QTest::newRow("showPrevYear") << &QCalendarWidget::showPreviousYear << QDate(1984,7,30) << QDate(1983,7,30);

   312 

   313     QTest::newRow("showNextMonth limit") << &QCalendarWidget::showNextMonth << QDate(2007,12,4) << QDate(2008,1,4);

   314     QTest::newRow("showPreviousMonth limit") << &QCalendarWidget::showPreviousMonth << QDate(2006,1,23) << QDate(2005,12,23);

   315 

   316     QTest::newRow("showNextMonth now") << &QCalendarWidget::showNextMonth << QDate() << QDate::currentDate().addMonths(1);

   317     QTest::newRow("showNextYear now") << &QCalendarWidget::showNextYear << QDate() << QDate::currentDate().addYears(1);

   318     QTest::newRow("showPrevieousMonth now") << &QCalendarWidget::showPreviousMonth << QDate() << QDate::currentDate().addMonths(-1);

   319     QTest::newRow("showPreviousYear now") << &QCalendarWidget::showPreviousYear << QDate() << QDate::currentDate().addYears(-1);

   320 

   321     QTest::newRow("showToday now") << &QCalendarWidget::showToday << QDate(2000,1,31) << QDate::currentDate();

   322     QTest::newRow("showNextMonth 31") << &QCalendarWidget::showNextMonth << QDate(2000,1,31) << QDate(2000,2,28);

   323     QTest::newRow("selectedDate") << &QCalendarWidget::showSelectedDate << QDate(2008,2,29) << QDate(2008,2,29);

   324 

   325 }

   326 

   327 void tst_QCalendarWidget::showPrevNext()

   328 {

   329     QFETCH(ShowFunc, function);

   330     QFETCH(QDate, dateOrigin);

   331     QFETCH(QDate, expectedDate);

   332 

   333     QCalendarWidget calWidget;

   334     calWidget.show();

   335     QTest::qWaitForWindowShown(&calWidget);

   336     if(!dateOrigin.isNull()) {

   337         calWidget.setSelectedDate(dateOrigin);

   338         calWidget.setCurrentPage(dateOrigin.year(), dateOrigin.month());

   339 

   340         QCOMPARE(calWidget.yearShown(), dateOrigin.year());

   341         QCOMPARE(calWidget.monthShown(), dateOrigin.month());

   342     } else {

   343         QCOMPARE(calWidget.yearShown(), QDate::currentDate().year());

   344         QCOMPARE(calWidget.monthShown(), QDate::currentDate().month());

   345     }

   346 

   347     (calWidget.*function)();

   348 

   349     QCOMPARE(calWidget.yearShown(), expectedDate.year());

   350     QCOMPARE(calWidget.monthShown(), expectedDate.month());

   351 

   352     // QTBUG-4058

   353     QTest::qWait(20);

   354     QToolButton *button = qFindChild<QToolButton *>(&calWidget, "qt_calendar_prevmonth");

   355     QTest::mouseClick(button, Qt::LeftButton);

   356     expectedDate = expectedDate.addMonths(-1);

   357     QCOMPARE(calWidget.yearShown(), expectedDate.year());

   358     QCOMPARE(calWidget.monthShown(), expectedDate.month());

   359 

   360     if(!dateOrigin.isNull()) {

   361         //the selectedDate should not have changed

   362         QCOMPARE(calWidget.selectedDate(), dateOrigin);

   363     }

   364 }

   365