qt5base-lts/tests/auto/qtabwidget/tst_qtabwidget.cpp
Jyri Tahtela f9f395c28b Update licenseheader text in source files for qtbase Qt module
Updated version of LGPL and FDL licenseheaders.
Apply release phase licenseheaders for all source files.

Reviewed-by: Trust Me
2011-05-24 12:34:08 +03:00

686 lines
19 KiB
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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <qtabwidget.h>
#include <qdebug.h>
#include <qapplication.h>
#include <qlabel.h>
#include <QtGui/qboxlayout.h>
//TESTED_CLASS=
//TESTED_FILES=
#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
# include <qt_windows.h>
#define Q_CHECK_PAINTEVENTS \
if (::SwitchDesktop(::GetThreadDesktop(::GetCurrentThreadId())) == 0) \
QSKIP("desktop is not visible, this test would fail", SkipSingle);
#else
#define Q_CHECK_PAINTEVENTS
#endif
#if defined(Q_WS_X11)
# include <private/qt_x11_p.h>
# include <qx11info_x11.h>
#elif defined(Q_WS_QWS)
# include <qwindowsystem_qws.h>
#endif
#ifndef Q_CHECK_PAINTEVENTS
#define Q_CHECK_PAINTEVENTS
#endif //Q_CHECK_PAINTEVENTS
class QTabWidgetChild:public QTabWidget {
public:
QTabWidgetChild():tabCount(0) {
QVERIFY(tabBar() != NULL);
QWidget *w = new QWidget;
int index = addTab(w, "test");
QCOMPARE(tabCount, 1);
removeTab(index);
QCOMPARE(tabCount, 0);
// Test bad arguments
// This will assert, so don't do it :)
//setTabBar(NULL);
};
protected:
virtual void tabInserted(int /*index */ ) {
tabCount++;
};
virtual void tabRemoved(int /*index */ ) {
tabCount--;
};
int tabCount;
};
class tst_QTabWidget:public QObject {
Q_OBJECT
public:
tst_QTabWidget();
public slots:
void init();
void cleanup();
private slots:
void getSetCheck();
void testChild();
void addRemoveTab();
void tabPosition();
void tabEnabled();
void tabText();
void tabShape();
void tabTooltip();
void tabIcon();
void indexOf();
void currentWidget();
void currentIndex();
void cornerWidget();
void removeTab();
void clear();
void keyboardNavigation();
void paintEventCount();
void minimumSizeHint();
void heightForWidth_data();
void heightForWidth();
private:
int addPage();
void removePage(int index);
QTabWidget *tw;
};
// Testing get/set functions
void tst_QTabWidget::getSetCheck()
{
QTabWidget obj1;
QWidget *w1 = new QWidget;
QWidget *w2 = new QWidget;
QWidget *w3 = new QWidget;
QWidget *w4 = new QWidget;
QWidget *w5 = new QWidget;
obj1.addTab(w1, "Page 1");
obj1.addTab(w2, "Page 2");
obj1.addTab(w3, "Page 3");
obj1.addTab(w4, "Page 4");
obj1.addTab(w5, "Page 5");
// TabShape QTabWidget::tabShape()
// void QTabWidget::setTabShape(TabShape)
obj1.setTabShape(QTabWidget::TabShape(QTabWidget::Rounded));
QCOMPARE(QTabWidget::TabShape(QTabWidget::Rounded), obj1.tabShape());
obj1.setTabShape(QTabWidget::TabShape(QTabWidget::Triangular));
QCOMPARE(QTabWidget::TabShape(QTabWidget::Triangular), obj1.tabShape());
// int QTabWidget::currentIndex()
// void QTabWidget::setCurrentIndex(int)
obj1.setCurrentIndex(0);
QCOMPARE(0, obj1.currentIndex());
obj1.setCurrentIndex(INT_MIN);
QCOMPARE(0, obj1.currentIndex());
obj1.setCurrentIndex(INT_MAX);
QCOMPARE(0, obj1.currentIndex());
obj1.setCurrentIndex(4);
QCOMPARE(4, obj1.currentIndex());
// QWidget * QTabWidget::currentWidget()
// void QTabWidget::setCurrentWidget(QWidget *)
obj1.setCurrentWidget(w1);
QCOMPARE(w1, obj1.currentWidget());
obj1.setCurrentWidget(w5);
QCOMPARE(w5, obj1.currentWidget());
obj1.setCurrentWidget((QWidget *)0);
QCOMPARE(w5, obj1.currentWidget()); // current not changed
}
tst_QTabWidget::tst_QTabWidget()
{
}
void tst_QTabWidget::init()
{
tw = new QTabWidget(0);
QCOMPARE(tw->count(), 0);
QCOMPARE(tw->currentIndex(), -1);
QVERIFY(tw->currentWidget() == NULL);
}
void tst_QTabWidget::cleanup()
{
delete tw;
tw = 0;
}
void tst_QTabWidget::testChild()
{
QTabWidgetChild t;
}
#define LABEL "TEST"
#define TIP "TIP"
int tst_QTabWidget::addPage()
{
QWidget *w = new QWidget();
return tw->addTab(w, LABEL);
}
void tst_QTabWidget::removePage(int index)
{
QWidget *w = tw->widget(index);
tw->removeTab(index);
delete w;
}
/**
* Tests:
* addTab(...) which really calls -> insertTab(...)
* widget(...)
* removeTab(...);
* If this fails then many others probably will too.
*/
void tst_QTabWidget::addRemoveTab()
{
// Test bad arguments
tw->addTab(NULL, LABEL);
QCOMPARE(tw->count(), 0);
tw->removeTab(-1);
QCOMPARE(tw->count(), 0);
QVERIFY(tw->widget(-1) == 0);
QWidget *w = new QWidget();
int index = tw->addTab(w, LABEL);
// return value
QCOMPARE(tw->indexOf(w), index);
QCOMPARE(tw->count(), 1);
QVERIFY(tw->widget(index) == w);
QCOMPARE(tw->tabText(index), QString(LABEL));
removePage(index);
QCOMPARE(tw->count(), 0);
}
void tst_QTabWidget::tabPosition()
{
tw->setTabPosition(QTabWidget::North);
QCOMPARE(tw->tabPosition(), QTabWidget::North);
tw->setTabPosition(QTabWidget::South);
QCOMPARE(tw->tabPosition(), QTabWidget::South);
tw->setTabPosition(QTabWidget::East);
QCOMPARE(tw->tabPosition(), QTabWidget::East);
tw->setTabPosition(QTabWidget::West);
QCOMPARE(tw->tabPosition(), QTabWidget::West);
}
void tst_QTabWidget::tabEnabled()
{
// Test bad arguments
QVERIFY(tw->isTabEnabled(-1) == false);
tw->setTabEnabled(-1, false);
int index = addPage();
tw->setTabEnabled(index, true);
QVERIFY(tw->isTabEnabled(index));
QVERIFY(tw->widget(index)->isEnabled());
tw->setTabEnabled(index, false);
QVERIFY(!tw->isTabEnabled(index));
QVERIFY(!tw->widget(index)->isEnabled());
tw->setTabEnabled(index, true);
QVERIFY(tw->isTabEnabled(index));
QVERIFY(tw->widget(index)->isEnabled());
removePage(index);
}
void tst_QTabWidget::tabText()
{
// Test bad arguments
QCOMPARE(tw->tabText(-1), QString(""));
tw->setTabText(-1, LABEL);
int index = addPage();
tw->setTabText(index, "new");
QCOMPARE(tw->tabText(index), QString("new"));
tw->setTabText(index, LABEL);
QCOMPARE(tw->tabText(index), QString(LABEL));
removePage(index);
}
void tst_QTabWidget::tabShape()
{
int index = addPage();
tw->setTabShape(QTabWidget::Rounded);
QCOMPARE(tw->tabShape(), QTabWidget::Rounded);
tw->setTabShape(QTabWidget::Triangular);
QCOMPARE(tw->tabShape(), QTabWidget::Triangular);
tw->setTabShape(QTabWidget::Rounded);
QCOMPARE(tw->tabShape(), QTabWidget::Rounded);
removePage(index);
}
void tst_QTabWidget::tabTooltip()
{
// Test bad arguments
QCOMPARE(tw->tabToolTip(-1), QString(""));
tw->setTabText(-1, TIP);
int index = addPage();
tw->setTabToolTip(index, "tip");
QCOMPARE(tw->tabToolTip(index), QString("tip"));
tw->setTabToolTip(index, TIP);
QCOMPARE(tw->tabToolTip(index), QString(TIP));
removePage(index);
}
void tst_QTabWidget::tabIcon()
{
// Test bad arguments
QVERIFY(tw->tabToolTip(-1).isNull());
tw->setTabIcon(-1, QIcon());
int index = addPage();
QIcon icon;
tw->setTabIcon(index, icon);
QVERIFY(tw->tabIcon(index).isNull());
removePage(index);
}
void tst_QTabWidget::indexOf()
{
// Test bad arguments
QCOMPARE(tw->indexOf(NULL), -1);
int index = addPage();
QWidget *w = tw->widget(index);
QCOMPARE(tw->indexOf(w), index);
removePage(index);
}
void tst_QTabWidget::currentWidget()
{
// Test bad arguments
tw->setCurrentWidget(NULL);
QVERIFY(tw->currentWidget() == NULL);
int index = addPage();
QWidget *w = tw->widget(index);
QVERIFY(tw->currentWidget() == w);
QCOMPARE(tw->currentIndex(), index);
tw->setCurrentWidget(NULL);
QVERIFY(tw->currentWidget() == w);
QCOMPARE(tw->currentIndex(), index);
int index2 = addPage();
QWidget *w2 = tw->widget(index2);
Q_UNUSED(w2);
QVERIFY(tw->currentWidget() == w);
QCOMPARE(tw->currentIndex(), index);
removePage(index2);
removePage(index);
}
/**
* setCurrentWidget(..) calls setCurrentIndex(..)
* currentChanged(..) SIGNAL
*/
void tst_QTabWidget::currentIndex()
{
// Test bad arguments
QSignalSpy spy(tw, SIGNAL(currentChanged(int)));
QCOMPARE(tw->currentIndex(), -1);
tw->setCurrentIndex(-1);
QCOMPARE(tw->currentIndex(), -1);
QCOMPARE(spy.count(), 0);
int firstIndex = addPage();
tw->setCurrentIndex(firstIndex);
QCOMPARE(tw->currentIndex(), firstIndex);
QCOMPARE(spy.count(), 1);
QList<QVariant> arguments = spy.takeFirst();
QVERIFY(arguments.at(0).toInt() == firstIndex);
int index = addPage();
QCOMPARE(tw->currentIndex(), firstIndex);
tw->setCurrentIndex(index);
QCOMPARE(tw->currentIndex(), index);
QCOMPARE(spy.count(), 1);
arguments = spy.takeFirst();
QVERIFY(arguments.at(0).toInt() == index);
removePage(index);
QCOMPARE(tw->currentIndex(), firstIndex);
QCOMPARE(spy.count(), 1);
arguments = spy.takeFirst();
QVERIFY(arguments.at(0).toInt() == firstIndex);
removePage(firstIndex);
QCOMPARE(tw->currentIndex(), -1);
QCOMPARE(spy.count(), 1);
arguments = spy.takeFirst();
QVERIFY(arguments.at(0).toInt() == -1);
}
void tst_QTabWidget::cornerWidget()
{
// Test bad arguments
tw->setCornerWidget(NULL, Qt::TopRightCorner);
QVERIFY(tw->cornerWidget(Qt::TopLeftCorner) == 0);
QVERIFY(tw->cornerWidget(Qt::TopRightCorner) == 0);
QVERIFY(tw->cornerWidget(Qt::BottomLeftCorner) == 0);
QVERIFY(tw->cornerWidget(Qt::BottomRightCorner) == 0);
QWidget *w = new QWidget(0);
tw->setCornerWidget(w, Qt::TopLeftCorner);
QCOMPARE(w->parent(), (QObject *)tw);
QVERIFY(tw->cornerWidget(Qt::TopLeftCorner) == w);
tw->setCornerWidget(w, Qt::TopRightCorner);
QVERIFY(tw->cornerWidget(Qt::TopRightCorner) == w);
tw->setCornerWidget(w, Qt::BottomLeftCorner);
QVERIFY(tw->cornerWidget(Qt::BottomLeftCorner) == w);
tw->setCornerWidget(w, Qt::BottomRightCorner);
QVERIFY(tw->cornerWidget(Qt::BottomRightCorner) == w);
tw->setCornerWidget(0, Qt::TopRightCorner);
QVERIFY(tw->cornerWidget(Qt::TopRightCorner) == 0);
QCOMPARE(w->isHidden(), true);
}
//test that the QTabWidget::count() is correct at the moment the currentChanged signal is emit
class RemoveTabObject : public QObject
{
Q_OBJECT
public:
RemoveTabObject(QTabWidget *_tw) : tw(_tw), count(-1) {
connect(tw, SIGNAL(currentChanged(int)), this, SLOT(currentChanged()));
}
QTabWidget *tw;
int count;
public slots:
void currentChanged() { count = tw->count(); }
};
void tst_QTabWidget::removeTab()
{
tw->show();
QCOMPARE(tw->count(), 0);
RemoveTabObject ob(tw);
tw->addTab(new QLabel("1"), "1");
QCOMPARE(ob.count, 1);
tw->addTab(new QLabel("2"), "2");
tw->addTab(new QLabel("3"), "3");
tw->addTab(new QLabel("4"), "4");
tw->addTab(new QLabel("5"), "5");
QCOMPARE(ob.count, 1);
QCOMPARE(tw->count(), 5);
tw->setCurrentIndex(4);
QCOMPARE(ob.count,5);
tw->removeTab(4);
QCOMPARE(ob.count, 4);
QCOMPARE(tw->count(), 4);
QCOMPARE(tw->currentIndex(), 3);
tw->setCurrentIndex(1);
tw->removeTab(1);
QCOMPARE(ob.count, 3);
QCOMPARE(tw->count(), 3);
QCOMPARE(tw->currentIndex(), 1);
delete tw->widget(1);
QCOMPARE(tw->count(), 2);
QCOMPARE(ob.count, 2);
QCOMPARE(tw->currentIndex(), 1);
delete tw->widget(1);
QCOMPARE(tw->count(), 1);
QCOMPARE(ob.count, 1);
tw->removeTab(0);
QCOMPARE(tw->count(), 0);
QCOMPARE(ob.count, 0);
}
void tst_QTabWidget::clear()
{
tw->addTab(new QWidget, "1");
tw->addTab(new QWidget, "2");
tw->addTab(new QWidget, "3");
tw->addTab(new QWidget, "4");
tw->addTab(new QWidget, "5");
tw->setCurrentIndex(4);
tw->clear();
QCOMPARE(tw->count(), 0);
QCOMPARE(tw->currentIndex(), -1);
}
void tst_QTabWidget::keyboardNavigation()
{
int firstIndex = addPage();
addPage();
addPage();
tw->setCurrentIndex(firstIndex);
QCOMPARE(tw->currentIndex(), firstIndex);
QTest::keyClick(tw, Qt::Key_Tab, Qt::ControlModifier);
QCOMPARE(tw->currentIndex(), 1);
QTest::keyClick(tw, Qt::Key_Tab, Qt::ControlModifier);
QCOMPARE(tw->currentIndex(), 2);
QTest::keyClick(tw, Qt::Key_Tab, Qt::ControlModifier);
QCOMPARE(tw->currentIndex(), 0);
tw->setTabEnabled(1, false);
QTest::keyClick(tw, Qt::Key_Tab, Qt::ControlModifier);
QCOMPARE(tw->currentIndex(), 2);
QTest::keyClick(tw, Qt::Key_Tab, Qt::ControlModifier | Qt::ShiftModifier);
QCOMPARE(tw->currentIndex(), 0);
QTest::keyClick(tw, Qt::Key_Tab, Qt::ControlModifier | Qt::ShiftModifier);
QCOMPARE(tw->currentIndex(), 2);
tw->setTabEnabled(1, true);
QTest::keyClick(tw, Qt::Key_Tab, Qt::ControlModifier | Qt::ShiftModifier);
QCOMPARE(tw->currentIndex(), 1);
QTest::keyClick(tw, Qt::Key_Tab, Qt::ControlModifier | Qt::ShiftModifier);
QCOMPARE(tw->currentIndex(), 0);
QTest::keyClick(tw, Qt::Key_Tab, Qt::ControlModifier | Qt::ShiftModifier);
QCOMPARE(tw->currentIndex(), 2);
QTest::keyClick(tw, Qt::Key_Tab, Qt::ControlModifier);
QCOMPARE(tw->currentIndex(), 0);
// Disable all and try to go to the next. It should not move anywhere, and more importantly
// it should not loop forever. (a naive "search for the first enabled tabbar") implementation
// might do that)
tw->setTabEnabled(0, false);
tw->setTabEnabled(1, false);
tw->setTabEnabled(2, false);
QTest::keyClick(tw, Qt::Key_Tab, Qt::ControlModifier);
// TODO: Disabling the current tab will move current tab to the next,
// but what if next tab is also disabled. We should look into this.
QVERIFY(tw->currentIndex() < 3 && tw->currentIndex() >= 0);
}
class PaintCounter : public QWidget
{
public:
PaintCounter() :count(0) { setAttribute(Qt::WA_OpaquePaintEvent); }
int count;
protected:
void paintEvent(QPaintEvent*) {
++count;
}
};
void tst_QTabWidget::paintEventCount()
{
Q_CHECK_PAINTEVENTS
PaintCounter *tab1 = new PaintCounter;
PaintCounter *tab2 = new PaintCounter;
tw->addTab(tab1, "one");
tw->addTab(tab2, "two");
QCOMPARE(tab1->count, 0);
QCOMPARE(tab2->count, 0);
QCOMPARE(tw->currentIndex(), 0);
tw->show();
QTest::qWait(1000);
// Mac, Windows and Windows CE get multiple repaints on the first show, so use those as a starting point.
static const int MaxInitialPaintCount =
#if defined(Q_OS_WINCE)
4;
#elif defined(Q_WS_WIN)
2;
#elif defined(Q_WS_MAC)
5;
#else
2;
#endif
QVERIFY(tab1->count <= MaxInitialPaintCount);
QCOMPARE(tab2->count, 0);
const int initalPaintCount = tab1->count;
tw->setCurrentIndex(1);
QTest::qWait(100);
QCOMPARE(tab1->count, initalPaintCount);
QCOMPARE(tab2->count, 1);
tw->setCurrentIndex(0);
QTest::qWait(100);
QCOMPARE(tab1->count, initalPaintCount + 1);
QCOMPARE(tab2->count, 1);
}
void tst_QTabWidget::minimumSizeHint()
{
QTabWidget tw;
QWidget *page = new QWidget;
QVBoxLayout *lay = new QVBoxLayout;
QLabel *label = new QLabel(QLatin1String("XXgypq lorem ipsum must be long, must be long. lorem ipsumMMMW"));
lay->addWidget(label);
page->setLayout(lay);
tw.addTab(page, QLatin1String("page1"));
tw.show();
QTest::qWaitForWindowShown(&tw);
tw.resize(tw.minimumSizeHint());
QSize minSize = label->minimumSizeHint();
QSize actSize = label->geometry().size();
QVERIFY(minSize.width() <= actSize.width());
QVERIFY(minSize.height() <= actSize.height());
}
void tst_QTabWidget::heightForWidth_data()
{
QTest::addColumn<int>("tabPosition");
QTest::newRow("West") << int(QTabWidget::West);
QTest::newRow("North") << int(QTabWidget::North);
QTest::newRow("East") << int(QTabWidget::East);
QTest::newRow("South") << int(QTabWidget::South);
}
void tst_QTabWidget::heightForWidth()
{
QFETCH(int, tabPosition);
QWidget *window = new QWidget;
QVBoxLayout *lay = new QVBoxLayout(window);
lay->setMargin(0);
lay->setSpacing(0);
QTabWidget *tabWid = new QTabWidget(window);
QWidget *w = new QWidget;
tabWid->addTab(w, QLatin1String("HFW page"));
tabWid->setTabPosition(QTabWidget::TabPosition(tabPosition));
QVBoxLayout *lay2 = new QVBoxLayout(w);
QLabel *label = new QLabel("Label with wordwrap turned on makes it trade height for width."
" Make it a really long text so that it spans on several lines"
" when the label is on its narrowest."
" I don't like to repeat myself."
" I don't like to repeat myself."
" I don't like to repeat myself."
" I don't like to repeat myself."
);
label->setWordWrap(true);
lay2->addWidget(label);
lay2->setMargin(0);
lay->addWidget(tabWid);
int h = window->heightForWidth(160);
window->resize(160, h);
window->show();
QTest::qWaitForWindowShown(window);
QVERIFY(label->height() >= label->heightForWidth(label->width()));
delete window;
}
QTEST_MAIN(tst_QTabWidget)
#include "tst_qtabwidget.moc"