qt5base-lts/tests/auto/widgets/kernel/qstackedlayout/tst_qstackedlayout.cpp
Lars Knoll 6ae7a02104 Remove most compiler warnings about missing overrides
Remove around 1000 compiler warnings about missing overrides
in our auto tests.

This significantly reduce the compiler warning noise in our auto
tests, so that one can actually better see the real problems
inbetween.

Change-Id: Id0c04dba43fcaf55d8cd2b5c6697358857c31bf9
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
2020-09-11 00:20:47 +02:00

382 lines
12 KiB
C++

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QLineEdit>
#include <QLabel>
#include <QStackedLayout>
#include <qapplication.h>
#include <qwidget.h>
#include <QPushButton>
class tst_QStackedLayout : public QObject
{
Q_OBJECT
public:
tst_QStackedLayout();
private slots:
void init();
void cleanup();
void getSetCheck();
void testCase();
void deleteCurrent();
void removeWidget();
void keepFocusAfterSetCurrent();
void heigthForWidth();
void replaceWidget();
private:
QWidget *testWidget;
};
// Testing get/set functions
void tst_QStackedLayout::getSetCheck()
{
QStackedLayout obj1;
// int QStackedLayout::currentIndex()
// void QStackedLayout::setCurrentIndex(int)
obj1.setCurrentIndex(0);
QCOMPARE(-1, obj1.currentIndex());
obj1.setCurrentIndex(INT_MIN);
QCOMPARE(-1, obj1.currentIndex());
obj1.setCurrentIndex(INT_MAX);
QCOMPARE(-1, obj1.currentIndex());
// QWidget * QStackedLayout::currentWidget()
// void QStackedLayout::setCurrentWidget(QWidget *)
QWidget *var2 = new QWidget();
obj1.addWidget(var2);
obj1.setCurrentWidget(var2);
QCOMPARE(var2, obj1.currentWidget());
obj1.setCurrentWidget((QWidget *)0);
QCOMPARE(obj1.currentWidget(), var2);
delete var2;
}
tst_QStackedLayout::tst_QStackedLayout()
: testWidget(0)
{
}
void tst_QStackedLayout::init()
{
if (QGuiApplication::platformName().startsWith(QLatin1String("wayland"), Qt::CaseInsensitive))
QSKIP("Wayland: This fails. Figure out why.");
if (testWidget) {
delete testWidget;
testWidget = 0;
}
testWidget = new QWidget(0);
testWidget->resize( 200, 200 );
testWidget->show();
// make sure the tests work with focus follows mouse
QCursor::setPos(testWidget->geometry().center());
testWidget->activateWindow();
QVERIFY(QTest::qWaitForWindowActive(testWidget));
}
void tst_QStackedLayout::cleanup()
{
delete testWidget;
testWidget = 0;
}
void tst_QStackedLayout::testCase()
{
QStackedLayout onStack(testWidget);
QStackedLayout *testLayout = &onStack;
testWidget->setLayout(testLayout);
QSignalSpy spy(testLayout,SIGNAL(currentChanged(int)));
// Nothing in layout
QCOMPARE(testLayout->currentIndex(), -1);
QCOMPARE(testLayout->currentWidget(), nullptr);
QCOMPARE(testLayout->count(), 0);
// One widget added to layout
QWidget *w1 = new QWidget(testWidget);
testLayout->addWidget(w1);
QCOMPARE(spy.count(), 1);
QCOMPARE(spy.at(0).at(0).toInt(), 0);
spy.clear();
QCOMPARE(testLayout->currentIndex(), 0);
QCOMPARE(testLayout->currentWidget(), w1);
QCOMPARE(testLayout->count(), 1);
// Another widget added to layout
QWidget *w2 = new QWidget(testWidget);
testLayout->addWidget(w2);
QCOMPARE(testLayout->currentIndex(), 0);
QCOMPARE(testLayout->currentWidget(), w1);
QCOMPARE(testLayout->indexOf(w2), 1);
QCOMPARE(testLayout->count(), 2);
// Change the current index
testLayout->setCurrentIndex(1);
QCOMPARE(spy.count(), 1);
QCOMPARE(spy.at(0).at(0).toInt(), 1);
spy.clear();
QCOMPARE(testLayout->currentIndex(), 1);
QCOMPARE(testLayout->currentWidget(), w2);
// First widget removed from layout
testLayout->removeWidget(w1);
QCOMPARE(testLayout->currentIndex(), 0);
QCOMPARE(testLayout->currentWidget(), w2);
QCOMPARE(testLayout->count(), 1);
// Second widget removed from layout; back to nothing
testLayout->removeWidget(w2);
QCOMPARE(spy.count(), 1);
QCOMPARE(spy.at(0).at(0).toInt(), -1);
spy.clear();
QCOMPARE(testLayout->currentIndex(), -1);
QCOMPARE(testLayout->currentWidget(), nullptr);
QCOMPARE(testLayout->count(), 0);
// Another widget inserted at current index.
// Current index should become current index + 1, but the
// current widget should stay the same
testLayout->addWidget(w1);
QCOMPARE(testLayout->currentIndex(), 0);
QCOMPARE(testLayout->currentWidget(), w1);
testLayout->insertWidget(0, w2);
QCOMPARE(testLayout->currentIndex(), 1);
QCOMPARE(testLayout->currentWidget(), w1);
QVERIFY(w1->isVisible());
QVERIFY(!w2->isVisible());
testLayout->setCurrentWidget(w2);
// Another widget added, so we have: w2, w1, w3 with w2 current
QWidget *w3 = new QWidget(testWidget);
testLayout->addWidget(w3);
QCOMPARE(testLayout->indexOf(w2), 0);
QCOMPARE(testLayout->indexOf(w1), 1);
QCOMPARE(testLayout->indexOf(w3), 2);
// Set index to 1 and remove that widget (w1).
// Then, current index should still be 1, but w3
// should be the new current widget.
testLayout->setCurrentIndex(1);
testLayout->removeWidget(w1);
QCOMPARE(testLayout->currentIndex(), 1);
QCOMPARE(testLayout->currentWidget(), w3);
QVERIFY(w3->isVisible());
// Remove the current widget (w3).
// Since it's the last one in the list, current index should now
// become 0 and w2 becomes the current widget.
testLayout->removeWidget(w3);
QCOMPARE(testLayout->currentIndex(), 0);
QCOMPARE(testLayout->currentWidget(), w2);
QVERIFY(w2->isVisible());
// Make sure index is decremented when we remove a widget at index < current index
testLayout->addWidget(w1);
testLayout->addWidget(w3);
testLayout->setCurrentIndex(2);
testLayout->removeWidget(w2); // At index 0
QCOMPARE(testLayout->currentIndex(), 1);
QCOMPARE(testLayout->currentWidget(), w3);
QVERIFY(w3->isVisible());
testLayout->removeWidget(w1); // At index 0
QCOMPARE(testLayout->currentIndex(), 0);
QCOMPARE(testLayout->currentWidget(), w3);
QVERIFY(w3->isVisible());
testLayout->removeWidget(w3);
QCOMPARE(testLayout->currentIndex(), -1);
QCOMPARE(testLayout->currentWidget(), nullptr);
}
void tst_QStackedLayout::deleteCurrent()
{
QStackedLayout *testLayout = new QStackedLayout(testWidget);
QWidget *w1 = new QWidget;
testLayout->addWidget(w1);
QWidget *w2 = new QWidget;
testLayout->addWidget(w2);
QCOMPARE(testLayout->currentWidget(), w1);
delete testLayout->currentWidget();
QCOMPARE(testLayout->currentWidget(), w2);
}
void tst_QStackedLayout::removeWidget()
{
if (testWidget->layout()) delete testWidget->layout();
QVBoxLayout *vbox = new QVBoxLayout(testWidget);
QPushButton *top = new QPushButton("top", testWidget); //add another widget that can receive focus
top->setObjectName("top");
vbox->addWidget(top);
QStackedLayout *testLayout = new QStackedLayout();
QPushButton *w1 = new QPushButton("1st", testWidget);
w1->setObjectName("1st");
testLayout->addWidget(w1);
QPushButton *w2 = new QPushButton("2nd", testWidget);
w2->setObjectName("2nd");
testLayout->addWidget(w2);
vbox->addLayout(testLayout);
top->setFocus();
top->activateWindow();
QTRY_COMPARE(QApplication::focusWidget(), top);
// focus should stay at the 'top' widget
testLayout->removeWidget(w1);
QCOMPARE(QApplication::focusWidget(), top);
}
class LineEdit : public QLineEdit
{
public:
LineEdit() : hasFakeEditFocus(false)
{ }
bool hasFakeEditFocus;
protected:
bool isSingleFocusWidget() const
{
const QWidget *w = this;
while ((w = w->nextInFocusChain()) != this) {
if (w->isVisible() && static_cast<const QWidget*>(w->focusProxy()) != this
&& w->focusPolicy() & Qt::TabFocus) {
return false;
}
}
return true;
}
void focusInEvent(QFocusEvent *event) override
{
QLineEdit::focusInEvent(event);
hasFakeEditFocus = isSingleFocusWidget();
}
void focusOutEvent(QFocusEvent *event) override
{
hasFakeEditFocus = false;
QLineEdit::focusOutEvent(event);
}
};
void tst_QStackedLayout::keepFocusAfterSetCurrent()
{
if (testWidget->layout()) delete testWidget->layout();
QStackedLayout *stackLayout = new QStackedLayout(testWidget);
testWidget->setFocusPolicy(Qt::NoFocus);
LineEdit *edit1 = new LineEdit;
LineEdit *edit2 = new LineEdit;
stackLayout->addWidget(edit1);
stackLayout->addWidget(edit2);
stackLayout->setCurrentIndex(0);
testWidget->show();
QApplication::setActiveWindow(testWidget);
QVERIFY(QTest::qWaitForWindowActive(testWidget));
edit1->setFocus();
edit1->activateWindow();
QTRY_VERIFY(edit1->hasFocus());
stackLayout->setCurrentIndex(1);
QVERIFY(!edit1->hasFocus());
QVERIFY(edit2->hasFocus());
QVERIFY(edit2->hasFakeEditFocus);
}
void tst_QStackedLayout::heigthForWidth()
{
if (testWidget->layout()) delete testWidget->layout();
QStackedLayout *stackLayout = new QStackedLayout(testWidget);
QLabel *shortLabel = new QLabel("This is a short text.");
shortLabel->setWordWrap(true);
stackLayout->addWidget(shortLabel);
QLabel *longLabel = new QLabel("Write code once to target multiple platforms\n"
"Qt allows you to write advanced applications and UIs once, "
"and deploy them across desktop and embedded operating systems "
"without rewriting the source code saving time and development cost.\n\n"
"Create amazing user experiences\n"
"Whether you prefer C++ or JavaScript, Qt provides the building blocks - "
"a broad set of customizable widgets, graphics canvas, style engine "
"and more that you need to build modern user interfaces. "
"Incorporate 3D graphics, multimedia audio or video, visual effects, "
"and animations to set your application apart from the competition.");
longLabel->setWordWrap(true);
stackLayout->addWidget(longLabel);
stackLayout->setCurrentIndex(0);
int hfw_index0 = stackLayout->heightForWidth(200);
stackLayout->setCurrentIndex(1);
QCOMPARE(stackLayout->heightForWidth(200), hfw_index0);
}
void tst_QStackedLayout::replaceWidget()
{
QWidget w;
QStackedLayout *stackLayout = new QStackedLayout(&w);
QLineEdit *replaceFrom = new QLineEdit;
QLineEdit *replaceTo = new QLineEdit;
stackLayout->addWidget(new QLineEdit());
stackLayout->addWidget(replaceFrom);
stackLayout->addWidget(new QLineEdit());
stackLayout->setCurrentWidget(replaceFrom);
QCOMPARE(stackLayout->indexOf(replaceFrom), 1);
QCOMPARE(stackLayout->indexOf(replaceTo), -1);
delete stackLayout->replaceWidget(replaceFrom, replaceTo);
QCOMPARE(stackLayout->indexOf(replaceFrom), -1);
QCOMPARE(stackLayout->indexOf(replaceTo), 1);
QCOMPARE(stackLayout->currentWidget(), replaceTo);
}
QTEST_MAIN(tst_QStackedLayout)
#include "tst_qstackedlayout.moc"