qt-everywhere-src-5.14.1/qtbase/tests/auto/widgets/itemviews/qdatawidgetmapper/tst_qdatawidgetmapper.cpp - orbit - Git at Google

 /****************************************************************************
 **
 ** 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 <QDataWidgetMapper>
 #include <QStandardItemModel>
 #include <QLineEdit>
 #include <QComboBox>
 #include <QTextEdit>
 #include <QVBoxLayout>
 #include <QTest>
 #include <QSignalSpy>
 #include <QMetaType>

 class tst_QDataWidgetMapper: public QObject
 {
     Q_OBJECT
 private slots:
     void initTestCase();

     void setModel();
     void navigate();
     void addMapping();
     void currentIndexChanged();
     void changingValues();
     void setData();
     void mappedWidgetAt();

     void comboBox();

     void textEditDoesntChangeFocusOnTab_qtbug3305();
 };

 Q_DECLARE_METATYPE(QAbstractItemDelegate::EndEditHint)

 static QStandardItemModel *testModel(QObject *parent = 0)
 {
     QStandardItemModel *model = new QStandardItemModel(10, 10, parent);

     for (int row = 0; row < 10; ++row) {
         const QString prefix = QLatin1String("item ") + QString::number(row)
             + QLatin1Char(' ');
         for (int col = 0; col < 10; ++col)
             model->setData(model->index(row, col), prefix + QString::number(col));
     }

     return model;
 }

 void tst_QDataWidgetMapper::initTestCase()
 {
     qRegisterMetaType<QAbstractItemDelegate::EndEditHint>();
 }

 void tst_QDataWidgetMapper::setModel()
 {
     QDataWidgetMapper mapper;

     QCOMPARE(mapper.model(), nullptr);

     { // let the model go out of scope firstma
         QStandardItemModel model;
         mapper.setModel(&model);
         QCOMPARE(mapper.model(), static_cast<QAbstractItemModel *>(&model));
     }

     QCOMPARE(mapper.model(), nullptr);

     { // let the mapper go out of scope first
         QStandardItemModel model2;
         QDataWidgetMapper mapper2;
         mapper2.setModel(&model2);
     }
 }

 void tst_QDataWidgetMapper::navigate()
 {
     QDataWidgetMapper mapper;
     QAbstractItemModel *model = testModel(&mapper);
     mapper.setModel(model);

     QLineEdit edit1;
     QLineEdit edit2;
     QLineEdit edit3;

     mapper.addMapping(&edit1, 0);
     mapper.toFirst();
     mapper.addMapping(&edit2, 1);
     mapper.addMapping(&edit3, 2);

     QCOMPARE(edit1.text(), QString("item 0 0"));
     QVERIFY(edit2.text().isEmpty());
     QVERIFY(edit3.text().isEmpty());
     QVERIFY(mapper.submit());
     edit2.setText(QString("item 0 1"));
     edit3.setText(QString("item 0 2"));
     QVERIFY(mapper.submit());

     mapper.toFirst(); //this will repopulate
     QCOMPARE(edit1.text(), QString("item 0 0"));
     QCOMPARE(edit2.text(), QString("item 0 1"));
     QCOMPARE(edit3.text(), QString("item 0 2"));


     mapper.toFirst();
     QCOMPARE(edit1.text(), QString("item 0 0"));
     QCOMPARE(edit2.text(), QString("item 0 1"));
     QCOMPARE(edit3.text(), QString("item 0 2"));

     mapper.toPrevious(); // should do nothing
     QCOMPARE(edit1.text(), QString("item 0 0"));
     QCOMPARE(edit2.text(), QString("item 0 1"));
     QCOMPARE(edit3.text(), QString("item 0 2"));

     mapper.toNext();
     QCOMPARE(edit1.text(), QString("item 1 0"));
     QCOMPARE(edit2.text(), QString("item 1 1"));
     QCOMPARE(edit3.text(), QString("item 1 2"));

     mapper.toLast();
     QCOMPARE(edit1.text(), QString("item 9 0"));
     QCOMPARE(edit2.text(), QString("item 9 1"));
     QCOMPARE(edit3.text(), QString("item 9 2"));

     mapper.toNext(); // should do nothing
     QCOMPARE(edit1.text(), QString("item 9 0"));
     QCOMPARE(edit2.text(), QString("item 9 1"));
     QCOMPARE(edit3.text(), QString("item 9 2"));

     mapper.setCurrentIndex(4);
     QCOMPARE(edit1.text(), QString("item 4 0"));
     QCOMPARE(edit2.text(), QString("item 4 1"));
     QCOMPARE(edit3.text(), QString("item 4 2"));

     mapper.setCurrentIndex(-1); // should do nothing
     QCOMPARE(edit1.text(), QString("item 4 0"));
     QCOMPARE(edit2.text(), QString("item 4 1"));
     QCOMPARE(edit3.text(), QString("item 4 2"));

     mapper.setCurrentIndex(10); // should do nothing
     QCOMPARE(edit1.text(), QString("item 4 0"));
     QCOMPARE(edit2.text(), QString("item 4 1"));
     QCOMPARE(edit3.text(), QString("item 4 2"));

     mapper.setCurrentModelIndex(QModelIndex()); // should do nothing
     QCOMPARE(edit1.text(), QString("item 4 0"));
     QCOMPARE(edit2.text(), QString("item 4 1"));
     QCOMPARE(edit3.text(), QString("item 4 2"));

     mapper.setCurrentModelIndex(model->index(6, 0));
     QCOMPARE(edit1.text(), QString("item 6 0"));
     QCOMPARE(edit2.text(), QString("item 6 1"));
     QCOMPARE(edit3.text(), QString("item 6 2"));

     /* now try vertical navigation */

     mapper.setOrientation(Qt::Vertical);

     mapper.addMapping(&edit1, 0);
     mapper.addMapping(&edit2, 1);
     mapper.addMapping(&edit3, 2);

     mapper.toFirst();
     QCOMPARE(edit1.text(), QString("item 0 0"));
     QCOMPARE(edit2.text(), QString("item 1 0"));
     QCOMPARE(edit3.text(), QString("item 2 0"));

     mapper.toPrevious(); // should do nothing
     QCOMPARE(edit1.text(), QString("item 0 0"));
     QCOMPARE(edit2.text(), QString("item 1 0"));
     QCOMPARE(edit3.text(), QString("item 2 0"));

     mapper.toNext();
     QCOMPARE(edit1.text(), QString("item 0 1"));
     QCOMPARE(edit2.text(), QString("item 1 1"));
     QCOMPARE(edit3.text(), QString("item 2 1"));

     mapper.toLast();
     QCOMPARE(edit1.text(), QString("item 0 9"));
     QCOMPARE(edit2.text(), QString("item 1 9"));
     QCOMPARE(edit3.text(), QString("item 2 9"));

     mapper.toNext(); // should do nothing
     QCOMPARE(edit1.text(), QString("item 0 9"));
     QCOMPARE(edit2.text(), QString("item 1 9"));
     QCOMPARE(edit3.text(), QString("item 2 9"));

     mapper.setCurrentIndex(4);
     QCOMPARE(edit1.text(), QString("item 0 4"));
     QCOMPARE(edit2.text(), QString("item 1 4"));
     QCOMPARE(edit3.text(), QString("item 2 4"));

     mapper.setCurrentIndex(-1); // should do nothing
     QCOMPARE(edit1.text(), QString("item 0 4"));
     QCOMPARE(edit2.text(), QString("item 1 4"));
     QCOMPARE(edit3.text(), QString("item 2 4"));

     mapper.setCurrentIndex(10); // should do nothing
     QCOMPARE(edit1.text(), QString("item 0 4"));
     QCOMPARE(edit2.text(), QString("item 1 4"));
     QCOMPARE(edit3.text(), QString("item 2 4"));

     mapper.setCurrentModelIndex(QModelIndex()); // should do nothing
     QCOMPARE(edit1.text(), QString("item 0 4"));
     QCOMPARE(edit2.text(), QString("item 1 4"));
     QCOMPARE(edit3.text(), QString("item 2 4"));

     mapper.setCurrentModelIndex(model->index(0, 6));
     QCOMPARE(edit1.text(), QString("item 0 6"));
     QCOMPARE(edit2.text(), QString("item 1 6"));
     QCOMPARE(edit3.text(), QString("item 2 6"));
 }

 void tst_QDataWidgetMapper::addMapping()
 {
     QDataWidgetMapper mapper;
     QAbstractItemModel *model = testModel(&mapper);
     mapper.setModel(model);

     QLineEdit edit1;
     mapper.addMapping(&edit1, 0);
     mapper.toFirst();
     QCOMPARE(edit1.text(), QString("item 0 0"));

     mapper.addMapping(&edit1, 1);
     mapper.toFirst();
     QCOMPARE(edit1.text(), QString("item 0 1"));

     QCOMPARE(mapper.mappedSection(&edit1), 1);

     edit1.clear();
     mapper.removeMapping(&edit1);
     mapper.toFirst();
     QCOMPARE(edit1.text(), QString());

     {
         QLineEdit edit2;
         mapper.addMapping(&edit2, 2);
         mapper.toFirst();
         QCOMPARE(edit2.text(), QString("item 0 2"));
     } // let the edit go out of scope

     QCOMPARE(mapper.mappedWidgetAt(2), nullptr);
     mapper.toLast();
 }

 void tst_QDataWidgetMapper::currentIndexChanged()
 {
     QDataWidgetMapper mapper;
     QAbstractItemModel *model = testModel(&mapper);
     mapper.setModel(model);

     QSignalSpy spy(&mapper, SIGNAL(currentIndexChanged(int)));

     mapper.toFirst();
     QCOMPARE(spy.count(), 1);
     QCOMPARE(spy.takeFirst().at(0).toInt(), 0);

     mapper.toNext();
     QCOMPARE(spy.count(), 1);
     QCOMPARE(spy.takeFirst().at(0).toInt(), 1);

     mapper.setCurrentIndex(7);
     QCOMPARE(spy.count(), 1);
     QCOMPARE(spy.takeFirst().at(0).toInt(), 7);

     mapper.setCurrentIndex(-1);
     QCOMPARE(spy.count(), 0);

     mapper.setCurrentIndex(42);
     QCOMPARE(spy.count(), 0);
 }

 void tst_QDataWidgetMapper::changingValues()
 {
     QDataWidgetMapper mapper;
     QAbstractItemModel *model = testModel(&mapper);
     mapper.setModel(model);

     QLineEdit edit1;
     mapper.addMapping(&edit1, 0);
     mapper.toFirst();
     QCOMPARE(edit1.text(), QString("item 0 0"));

     QLineEdit edit2;
     mapper.addMapping(&edit2, 0, "text");
     mapper.toFirst();
     QCOMPARE(edit2.text(), QString("item 0 0"));

     model->setData(model->index(0, 0), QString("changed"));
     QCOMPARE(edit1.text(), QString("changed"));
     QCOMPARE(edit2.text(), QString("changed"));
 }

 void tst_QDataWidgetMapper::setData()
 {
     QDataWidgetMapper mapper;
     QAbstractItemModel *model = testModel(&mapper);
     mapper.setModel(model);

     QLineEdit edit1;
     QLineEdit edit2;
     QLineEdit edit3;

     mapper.addMapping(&edit1, 0);
     mapper.addMapping(&edit2, 1);
     mapper.addMapping(&edit3, 0, "text");
     mapper.toFirst();
     QCOMPARE(edit1.text(), QString("item 0 0"));
     QCOMPARE(edit2.text(), QString("item 0 1"));
     QCOMPARE(edit3.text(), QString("item 0 0"));

     edit1.setText("new text");

     mapper.submit();
     QCOMPARE(model->data(model->index(0, 0)).toString(), QString("new text"));

     edit3.setText("more text");

     mapper.submit();
     QCOMPARE(model->data(model->index(0, 0)).toString(), QString("more text"));
 }

 void tst_QDataWidgetMapper::comboBox()
 {
     QDataWidgetMapper mapper;
     QAbstractItemModel *model = testModel(&mapper);
     mapper.setModel(model);
     mapper.setSubmitPolicy(QDataWidgetMapper::ManualSubmit);

     QComboBox readOnlyBox;
     readOnlyBox.setEditable(false);
     readOnlyBox.addItem("read only item 0");
     readOnlyBox.addItem("read only item 1");
     readOnlyBox.addItem("read only item 2");

     QComboBox readWriteBox;
     readWriteBox.setEditable(true);
     readWriteBox.addItem("read write item 0");
     readWriteBox.addItem("read write item 1");
     readWriteBox.addItem("read write item 2");

     // populate the combo boxes with data
     mapper.addMapping(&readOnlyBox, 0, "currentIndex");
     mapper.addMapping(&readWriteBox, 1, "currentText");
     mapper.toFirst();

     // setCurrentIndex caused the value at index 0 to be displayed
     QCOMPARE(readOnlyBox.currentText(), QString("read only item 0"));
     // setCurrentText set the value in the line edit since the combobox is editable
     QCOMPARE(readWriteBox.currentText(), QString("item 0 1"));

     // set some new values on the boxes
     readOnlyBox.setCurrentIndex(1);
     readWriteBox.setEditText("read write item y");

     mapper.submit();

     // make sure the new values are in the model
     QCOMPARE(model->data(model->index(0, 0)).toInt(), 1);
     QCOMPARE(model->data(model->index(0, 1)).toString(), QString("read write item y"));

     // now test updating of the widgets
     model->setData(model->index(0, 0), 2, Qt::EditRole);
     model->setData(model->index(0, 1), QString("read write item z"), Qt::EditRole);

     QCOMPARE(readOnlyBox.currentIndex(), 2);
     QCOMPARE(readWriteBox.currentText(), QString("read write item z"));
 }

 void tst_QDataWidgetMapper::mappedWidgetAt()
 {
     QDataWidgetMapper mapper;
     QAbstractItemModel *model = testModel(&mapper);
     mapper.setModel(model);

     QLineEdit lineEdit1;
     QLineEdit lineEdit2;

     QCOMPARE(mapper.mappedWidgetAt(432312), nullptr);

     mapper.addMapping(&lineEdit1, 1);
     mapper.addMapping(&lineEdit2, 2);

     QCOMPARE(mapper.mappedWidgetAt(1), static_cast<QWidget *>(&lineEdit1));
     QCOMPARE(mapper.mappedWidgetAt(2), static_cast<QWidget *>(&lineEdit2));

     mapper.addMapping(&lineEdit2, 4242);

     QCOMPARE(mapper.mappedWidgetAt(2), nullptr);
     QCOMPARE(mapper.mappedWidgetAt(4242), static_cast<QWidget *>(&lineEdit2));
 }

 void tst_QDataWidgetMapper::textEditDoesntChangeFocusOnTab_qtbug3305()
 {
     QDataWidgetMapper mapper;
     QAbstractItemModel *model = testModel(&mapper);
     mapper.setModel(model);

     QSignalSpy closeEditorSpy(mapper.itemDelegate(), SIGNAL(closeEditor(QWidget*,QAbstractItemDelegate::EndEditHint)));
     QVERIFY(closeEditorSpy.isValid());

     QWidget container;
     container.setLayout(new QVBoxLayout);

     QLineEdit *lineEdit = new QLineEdit;
     mapper.addMapping(lineEdit, 0);
     container.layout()->addWidget(lineEdit);

     QTextEdit *textEdit = new QTextEdit;
     mapper.addMapping(textEdit, 1);
     container.layout()->addWidget(textEdit);

     lineEdit->setFocus();

     container.show();

     QApplication::setActiveWindow(&container);
     QVERIFY(QTest::qWaitForWindowActive(&container));

     int closeEditorSpyCount = 0;
     const QString textEditContents = textEdit->toPlainText();

     QCOMPARE(closeEditorSpy.count(), closeEditorSpyCount);
     QVERIFY(lineEdit->hasFocus());
     QVERIFY(!textEdit->hasFocus());

     // this will generate a closeEditor for the tab key, and another for the focus out
     QTest::keyClick(QApplication::focusWidget(), Qt::Key_Tab);
     closeEditorSpyCount += 2;
     QTRY_COMPARE(closeEditorSpy.count(), closeEditorSpyCount);

     QTRY_VERIFY(textEdit->hasFocus());
     QVERIFY(!lineEdit->hasFocus());

     // now that the text edit is focused, a tab keypress will insert a tab, not change focus
     QTest::keyClick(QApplication::focusWidget(), Qt::Key_Tab);
     QTRY_COMPARE(closeEditorSpy.count(), closeEditorSpyCount);

     QVERIFY(!lineEdit->hasFocus());
     QVERIFY(textEdit->hasFocus());
     QCOMPARE(textEdit->toPlainText(), QLatin1Char('\t') + textEditContents);

     // now give focus back to the line edit and check closeEditor gets emitted
     lineEdit->setFocus();
     QTRY_VERIFY(lineEdit->hasFocus());
     QVERIFY(!textEdit->hasFocus());
     ++closeEditorSpyCount;
     QCOMPARE(closeEditorSpy.count(), closeEditorSpyCount);
 }

 QTEST_MAIN(tst_QDataWidgetMapper)
 #include "tst_qdatawidgetmapper.moc"
	/****************************************************************************
	**
	** 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 <QDataWidgetMapper>
	#include <QStandardItemModel>
	#include <QLineEdit>
	#include <QComboBox>
	#include <QTextEdit>
	#include <QVBoxLayout>
	#include <QTest>
	#include <QSignalSpy>
	#include <QMetaType>

	class tst_QDataWidgetMapper: public QObject
	{
	Q_OBJECT
	private slots:
	void initTestCase();

	void setModel();
	void navigate();
	void addMapping();
	void currentIndexChanged();
	void changingValues();
	void setData();
	void mappedWidgetAt();

	void comboBox();

	void textEditDoesntChangeFocusOnTab_qtbug3305();
	};

	Q_DECLARE_METATYPE(QAbstractItemDelegate::EndEditHint)

	static QStandardItemModel testModel(QObject parent = 0)
	{
	QStandardItemModel *model = new QStandardItemModel(10, 10, parent);

	for (int row = 0; row < 10; ++row) {
	const QString prefix = QLatin1String("item ") + QString::number(row)
	+ QLatin1Char(' ');
	for (int col = 0; col < 10; ++col)
	model->setData(model->index(row, col), prefix + QString::number(col));
	}

	return model;
	}

	void tst_QDataWidgetMapper::initTestCase()
	{
	qRegisterMetaType<QAbstractItemDelegate::EndEditHint>();
	}

	void tst_QDataWidgetMapper::setModel()
	{
	QDataWidgetMapper mapper;

	QCOMPARE(mapper.model(), nullptr);

	{ // let the model go out of scope firstma
	QStandardItemModel model;
	mapper.setModel(&model);
	QCOMPARE(mapper.model(), static_cast<QAbstractItemModel *>(&model));
	}

	QCOMPARE(mapper.model(), nullptr);

	{ // let the mapper go out of scope first
	QStandardItemModel model2;
	QDataWidgetMapper mapper2;
	mapper2.setModel(&model2);
	}
	}

	void tst_QDataWidgetMapper::navigate()
	{
	QDataWidgetMapper mapper;
	QAbstractItemModel *model = testModel(&mapper);
	mapper.setModel(model);

	QLineEdit edit1;
	QLineEdit edit2;
	QLineEdit edit3;

	mapper.addMapping(&edit1, 0);
	mapper.toFirst();
	mapper.addMapping(&edit2, 1);
	mapper.addMapping(&edit3, 2);

	QCOMPARE(edit1.text(), QString("item 0 0"));
	QVERIFY(edit2.text().isEmpty());
	QVERIFY(edit3.text().isEmpty());
	QVERIFY(mapper.submit());
	edit2.setText(QString("item 0 1"));
	edit3.setText(QString("item 0 2"));
	QVERIFY(mapper.submit());

	mapper.toFirst(); //this will repopulate
	QCOMPARE(edit1.text(), QString("item 0 0"));
	QCOMPARE(edit2.text(), QString("item 0 1"));
	QCOMPARE(edit3.text(), QString("item 0 2"));


	mapper.toFirst();
	QCOMPARE(edit1.text(), QString("item 0 0"));
	QCOMPARE(edit2.text(), QString("item 0 1"));
	QCOMPARE(edit3.text(), QString("item 0 2"));

	mapper.toPrevious(); // should do nothing
	QCOMPARE(edit1.text(), QString("item 0 0"));
	QCOMPARE(edit2.text(), QString("item 0 1"));
	QCOMPARE(edit3.text(), QString("item 0 2"));

	mapper.toNext();
	QCOMPARE(edit1.text(), QString("item 1 0"));
	QCOMPARE(edit2.text(), QString("item 1 1"));
	QCOMPARE(edit3.text(), QString("item 1 2"));

	mapper.toLast();
	QCOMPARE(edit1.text(), QString("item 9 0"));
	QCOMPARE(edit2.text(), QString("item 9 1"));
	QCOMPARE(edit3.text(), QString("item 9 2"));

	mapper.toNext(); // should do nothing
	QCOMPARE(edit1.text(), QString("item 9 0"));
	QCOMPARE(edit2.text(), QString("item 9 1"));
	QCOMPARE(edit3.text(), QString("item 9 2"));

	mapper.setCurrentIndex(4);
	QCOMPARE(edit1.text(), QString("item 4 0"));
	QCOMPARE(edit2.text(), QString("item 4 1"));
	QCOMPARE(edit3.text(), QString("item 4 2"));

	mapper.setCurrentIndex(-1); // should do nothing
	QCOMPARE(edit1.text(), QString("item 4 0"));
	QCOMPARE(edit2.text(), QString("item 4 1"));
	QCOMPARE(edit3.text(), QString("item 4 2"));

	mapper.setCurrentIndex(10); // should do nothing
	QCOMPARE(edit1.text(), QString("item 4 0"));
	QCOMPARE(edit2.text(), QString("item 4 1"));
	QCOMPARE(edit3.text(), QString("item 4 2"));

	mapper.setCurrentModelIndex(QModelIndex()); // should do nothing
	QCOMPARE(edit1.text(), QString("item 4 0"));
	QCOMPARE(edit2.text(), QString("item 4 1"));
	QCOMPARE(edit3.text(), QString("item 4 2"));

	mapper.setCurrentModelIndex(model->index(6, 0));
	QCOMPARE(edit1.text(), QString("item 6 0"));
	QCOMPARE(edit2.text(), QString("item 6 1"));
	QCOMPARE(edit3.text(), QString("item 6 2"));

	/* now try vertical navigation */

	mapper.setOrientation(Qt::Vertical);

	mapper.addMapping(&edit1, 0);
	mapper.addMapping(&edit2, 1);
	mapper.addMapping(&edit3, 2);

	mapper.toFirst();
	QCOMPARE(edit1.text(), QString("item 0 0"));
	QCOMPARE(edit2.text(), QString("item 1 0"));
	QCOMPARE(edit3.text(), QString("item 2 0"));

	mapper.toPrevious(); // should do nothing
	QCOMPARE(edit1.text(), QString("item 0 0"));
	QCOMPARE(edit2.text(), QString("item 1 0"));
	QCOMPARE(edit3.text(), QString("item 2 0"));

	mapper.toNext();
	QCOMPARE(edit1.text(), QString("item 0 1"));
	QCOMPARE(edit2.text(), QString("item 1 1"));
	QCOMPARE(edit3.text(), QString("item 2 1"));

	mapper.toLast();
	QCOMPARE(edit1.text(), QString("item 0 9"));
	QCOMPARE(edit2.text(), QString("item 1 9"));
	QCOMPARE(edit3.text(), QString("item 2 9"));

	mapper.toNext(); // should do nothing
	QCOMPARE(edit1.text(), QString("item 0 9"));
	QCOMPARE(edit2.text(), QString("item 1 9"));
	QCOMPARE(edit3.text(), QString("item 2 9"));

	mapper.setCurrentIndex(4);
	QCOMPARE(edit1.text(), QString("item 0 4"));
	QCOMPARE(edit2.text(), QString("item 1 4"));
	QCOMPARE(edit3.text(), QString("item 2 4"));

	mapper.setCurrentIndex(-1); // should do nothing
	QCOMPARE(edit1.text(), QString("item 0 4"));
	QCOMPARE(edit2.text(), QString("item 1 4"));
	QCOMPARE(edit3.text(), QString("item 2 4"));

	mapper.setCurrentIndex(10); // should do nothing
	QCOMPARE(edit1.text(), QString("item 0 4"));
	QCOMPARE(edit2.text(), QString("item 1 4"));
	QCOMPARE(edit3.text(), QString("item 2 4"));

	mapper.setCurrentModelIndex(QModelIndex()); // should do nothing
	QCOMPARE(edit1.text(), QString("item 0 4"));
	QCOMPARE(edit2.text(), QString("item 1 4"));
	QCOMPARE(edit3.text(), QString("item 2 4"));

	mapper.setCurrentModelIndex(model->index(0, 6));
	QCOMPARE(edit1.text(), QString("item 0 6"));
	QCOMPARE(edit2.text(), QString("item 1 6"));
	QCOMPARE(edit3.text(), QString("item 2 6"));
	}

	void tst_QDataWidgetMapper::addMapping()
	{
	QDataWidgetMapper mapper;
	QAbstractItemModel *model = testModel(&mapper);
	mapper.setModel(model);

	QLineEdit edit1;
	mapper.addMapping(&edit1, 0);
	mapper.toFirst();
	QCOMPARE(edit1.text(), QString("item 0 0"));

	mapper.addMapping(&edit1, 1);
	mapper.toFirst();
	QCOMPARE(edit1.text(), QString("item 0 1"));

	QCOMPARE(mapper.mappedSection(&edit1), 1);

	edit1.clear();
	mapper.removeMapping(&edit1);
	mapper.toFirst();
	QCOMPARE(edit1.text(), QString());

	{
	QLineEdit edit2;
	mapper.addMapping(&edit2, 2);
	mapper.toFirst();
	QCOMPARE(edit2.text(), QString("item 0 2"));
	} // let the edit go out of scope

	QCOMPARE(mapper.mappedWidgetAt(2), nullptr);
	mapper.toLast();
	}

	void tst_QDataWidgetMapper::currentIndexChanged()
	{
	QDataWidgetMapper mapper;
	QAbstractItemModel *model = testModel(&mapper);
	mapper.setModel(model);

	QSignalSpy spy(&mapper, SIGNAL(currentIndexChanged(int)));

	mapper.toFirst();
	QCOMPARE(spy.count(), 1);
	QCOMPARE(spy.takeFirst().at(0).toInt(), 0);

	mapper.toNext();
	QCOMPARE(spy.count(), 1);
	QCOMPARE(spy.takeFirst().at(0).toInt(), 1);

	mapper.setCurrentIndex(7);
	QCOMPARE(spy.count(), 1);
	QCOMPARE(spy.takeFirst().at(0).toInt(), 7);

	mapper.setCurrentIndex(-1);
	QCOMPARE(spy.count(), 0);

	mapper.setCurrentIndex(42);
	QCOMPARE(spy.count(), 0);
	}

	void tst_QDataWidgetMapper::changingValues()
	{
	QDataWidgetMapper mapper;
	QAbstractItemModel *model = testModel(&mapper);
	mapper.setModel(model);

	QLineEdit edit1;
	mapper.addMapping(&edit1, 0);
	mapper.toFirst();
	QCOMPARE(edit1.text(), QString("item 0 0"));

	QLineEdit edit2;
	mapper.addMapping(&edit2, 0, "text");
	mapper.toFirst();
	QCOMPARE(edit2.text(), QString("item 0 0"));

	model->setData(model->index(0, 0), QString("changed"));
	QCOMPARE(edit1.text(), QString("changed"));
	QCOMPARE(edit2.text(), QString("changed"));
	}

	void tst_QDataWidgetMapper::setData()
	{
	QDataWidgetMapper mapper;
	QAbstractItemModel *model = testModel(&mapper);
	mapper.setModel(model);

	QLineEdit edit1;
	QLineEdit edit2;
	QLineEdit edit3;

	mapper.addMapping(&edit1, 0);
	mapper.addMapping(&edit2, 1);
	mapper.addMapping(&edit3, 0, "text");
	mapper.toFirst();
	QCOMPARE(edit1.text(), QString("item 0 0"));
	QCOMPARE(edit2.text(), QString("item 0 1"));
	QCOMPARE(edit3.text(), QString("item 0 0"));

	edit1.setText("new text");

	mapper.submit();
	QCOMPARE(model->data(model->index(0, 0)).toString(), QString("new text"));

	edit3.setText("more text");

	mapper.submit();
	QCOMPARE(model->data(model->index(0, 0)).toString(), QString("more text"));
	}

	void tst_QDataWidgetMapper::comboBox()
	{
	QDataWidgetMapper mapper;
	QAbstractItemModel *model = testModel(&mapper);
	mapper.setModel(model);
	mapper.setSubmitPolicy(QDataWidgetMapper::ManualSubmit);

	QComboBox readOnlyBox;
	readOnlyBox.setEditable(false);
	readOnlyBox.addItem("read only item 0");
	readOnlyBox.addItem("read only item 1");
	readOnlyBox.addItem("read only item 2");

	QComboBox readWriteBox;
	readWriteBox.setEditable(true);
	readWriteBox.addItem("read write item 0");
	readWriteBox.addItem("read write item 1");
	readWriteBox.addItem("read write item 2");

	// populate the combo boxes with data
	mapper.addMapping(&readOnlyBox, 0, "currentIndex");
	mapper.addMapping(&readWriteBox, 1, "currentText");
	mapper.toFirst();

	// setCurrentIndex caused the value at index 0 to be displayed
	QCOMPARE(readOnlyBox.currentText(), QString("read only item 0"));
	// setCurrentText set the value in the line edit since the combobox is editable
	QCOMPARE(readWriteBox.currentText(), QString("item 0 1"));

	// set some new values on the boxes
	readOnlyBox.setCurrentIndex(1);
	readWriteBox.setEditText("read write item y");

	mapper.submit();

	// make sure the new values are in the model
	QCOMPARE(model->data(model->index(0, 0)).toInt(), 1);
	QCOMPARE(model->data(model->index(0, 1)).toString(), QString("read write item y"));

	// now test updating of the widgets
	model->setData(model->index(0, 0), 2, Qt::EditRole);
	model->setData(model->index(0, 1), QString("read write item z"), Qt::EditRole);

	QCOMPARE(readOnlyBox.currentIndex(), 2);
	QCOMPARE(readWriteBox.currentText(), QString("read write item z"));
	}

	void tst_QDataWidgetMapper::mappedWidgetAt()
	{
	QDataWidgetMapper mapper;
	QAbstractItemModel *model = testModel(&mapper);
	mapper.setModel(model);

	QLineEdit lineEdit1;
	QLineEdit lineEdit2;

	QCOMPARE(mapper.mappedWidgetAt(432312), nullptr);

	mapper.addMapping(&lineEdit1, 1);
	mapper.addMapping(&lineEdit2, 2);

	QCOMPARE(mapper.mappedWidgetAt(1), static_cast<QWidget *>(&lineEdit1));
	QCOMPARE(mapper.mappedWidgetAt(2), static_cast<QWidget *>(&lineEdit2));

	mapper.addMapping(&lineEdit2, 4242);

	QCOMPARE(mapper.mappedWidgetAt(2), nullptr);
	QCOMPARE(mapper.mappedWidgetAt(4242), static_cast<QWidget *>(&lineEdit2));
	}

	void tst_QDataWidgetMapper::textEditDoesntChangeFocusOnTab_qtbug3305()
	{
	QDataWidgetMapper mapper;
	QAbstractItemModel *model = testModel(&mapper);
	mapper.setModel(model);

	QSignalSpy closeEditorSpy(mapper.itemDelegate(), SIGNAL(closeEditor(QWidget*,QAbstractItemDelegate::EndEditHint)));
	QVERIFY(closeEditorSpy.isValid());

	QWidget container;
	container.setLayout(new QVBoxLayout);

	QLineEdit *lineEdit = new QLineEdit;
	mapper.addMapping(lineEdit, 0);
	container.layout()->addWidget(lineEdit);

	QTextEdit *textEdit = new QTextEdit;
	mapper.addMapping(textEdit, 1);
	container.layout()->addWidget(textEdit);

	lineEdit->setFocus();

	container.show();

	QApplication::setActiveWindow(&container);
	QVERIFY(QTest::qWaitForWindowActive(&container));

	int closeEditorSpyCount = 0;
	const QString textEditContents = textEdit->toPlainText();

	QCOMPARE(closeEditorSpy.count(), closeEditorSpyCount);
	QVERIFY(lineEdit->hasFocus());
	QVERIFY(!textEdit->hasFocus());

	// this will generate a closeEditor for the tab key, and another for the focus out
	QTest::keyClick(QApplication::focusWidget(), Qt::Key_Tab);
	closeEditorSpyCount += 2;
	QTRY_COMPARE(closeEditorSpy.count(), closeEditorSpyCount);

	QTRY_VERIFY(textEdit->hasFocus());
	QVERIFY(!lineEdit->hasFocus());

	// now that the text edit is focused, a tab keypress will insert a tab, not change focus
	QTest::keyClick(QApplication::focusWidget(), Qt::Key_Tab);
	QTRY_COMPARE(closeEditorSpy.count(), closeEditorSpyCount);

	QVERIFY(!lineEdit->hasFocus());
	QVERIFY(textEdit->hasFocus());
	QCOMPARE(textEdit->toPlainText(), QLatin1Char('\t') + textEditContents);

	// now give focus back to the line edit and check closeEditor gets emitted
	lineEdit->setFocus();
	QTRY_VERIFY(lineEdit->hasFocus());
	QVERIFY(!textEdit->hasFocus());
	++closeEditorSpyCount;
	QCOMPARE(closeEditorSpy.count(), closeEditorSpyCount);
	}

	QTEST_MAIN(tst_QDataWidgetMapper)
	#include "tst_qdatawidgetmapper.moc"