qt5base-lts/tests/auto/integrationtests/modeltest/tst_modeltest.cpp

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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 <QtGui/QtGui>
#include <QtWidgets/QtWidgets>
#include "modeltest.h"
#include "dynamictreemodel.h"
class tst_ModelTest : public QObject
{
Q_OBJECT
public:
tst_ModelTest() {}
virtual ~tst_ModelTest() {}
public slots:
void initTestCase();
void cleanupTestCase();
void init();
void cleanup();
private slots:
void stringListModel();
void treeWidgetModel();
void standardItemModel();
void testInsertThroughProxy();
void moveSourceItems();
void testResetThroughProxy();
};
void tst_ModelTest::initTestCase()
{
}
void tst_ModelTest::cleanupTestCase()
{
}
void tst_ModelTest::init()
{
}
void tst_ModelTest::cleanup()
{
}
/*
tests
*/
void tst_ModelTest::stringListModel()
{
QStringListModel model;
QSortFilterProxyModel proxy;
ModelTest t1(&model);
ModelTest t2(&proxy);
proxy.setSourceModel(&model);
model.setStringList(QStringList() << "2" << "3" << "1");
model.setStringList(QStringList() << "a" << "e" << "plop" << "b" << "c" );
proxy.setDynamicSortFilter(true);
proxy.setFilterRegExp(QRegExp("[^b]"));
}
void tst_ModelTest::treeWidgetModel()
{
QTreeWidget widget;
ModelTest t1(widget.model());
QTreeWidgetItem *root = new QTreeWidgetItem(&widget, QStringList("root"));
for (int i = 0; i < 20; ++i) {
new QTreeWidgetItem(root, QStringList(QString::number(i)));
}
QTreeWidgetItem *remove = root->child(2);
root->removeChild(remove);
QTreeWidgetItem *parent = new QTreeWidgetItem(&widget, QStringList("parent"));
new QTreeWidgetItem(parent, QStringList("child"));
widget.setItemHidden(parent, true);
widget.sortByColumn(0);
}
void tst_ModelTest::standardItemModel()
{
QStandardItemModel model(10,10);
QSortFilterProxyModel proxy;
ModelTest t1(&model);
ModelTest t2(&proxy);
proxy.setSourceModel(&model);
model.insertRows(2, 5);
model.removeRows(4, 5);
model.insertColumns(2, 5);
model.removeColumns(4, 5);
model.insertRows(0,5, model.index(1,1));
model.insertColumns(0,5, model.index(1,3));
}
void tst_ModelTest::testInsertThroughProxy()
{
DynamicTreeModel *model = new DynamicTreeModel(this);
QSortFilterProxyModel *proxy = new QSortFilterProxyModel(this);
proxy->setSourceModel(model);
new ModelTest(proxy, this);
ModelInsertCommand *insertCommand = new ModelInsertCommand(model, this);
insertCommand->setNumCols(4);
insertCommand->setStartRow(0);
insertCommand->setEndRow(9);
// Parent is QModelIndex()
insertCommand->doCommand();
insertCommand = new ModelInsertCommand(model, this);
insertCommand->setNumCols(4);
insertCommand->setAncestorRowNumbers(QList<int>() << 5);
insertCommand->setStartRow(0);
insertCommand->setEndRow(9);
insertCommand->doCommand();
ModelMoveCommand *moveCommand = new ModelMoveCommand(model, this);
moveCommand->setNumCols(4);
moveCommand->setStartRow(0);
moveCommand->setEndRow(0);
moveCommand->setDestRow(9);
moveCommand->setDestAncestors(QList<int>() << 5);
moveCommand->doCommand();
}
/**
Makes the persistent index list publicly accessible
*/
class AccessibleProxyModel : public QSortFilterProxyModel
{
Q_OBJECT
public:
AccessibleProxyModel(QObject *parent = 0) : QSortFilterProxyModel(parent) {}
QModelIndexList persistent()
{
return persistentIndexList();
}
};
class ObservingObject : public QObject
{
Q_OBJECT
public:
ObservingObject(AccessibleProxyModel *proxy, QObject *parent = 0)
: QObject(parent)
, m_proxy(proxy)
, storePersistentFailureCount(0)
, checkPersistentFailureCount(0)
{
connect(m_proxy, SIGNAL(layoutAboutToBeChanged()), SLOT(storePersistent()));
connect(m_proxy, SIGNAL(layoutChanged()), SLOT(checkPersistent()));
}
public slots:
void storePersistent(const QModelIndex &parent)
{
for (int row = 0; row < m_proxy->rowCount(parent); ++row) {
QModelIndex proxyIndex = m_proxy->index(row, 0, parent);
QModelIndex sourceIndex = m_proxy->mapToSource(proxyIndex);
if (!proxyIndex.isValid()) {
qWarning("%s: Invalid proxy index", Q_FUNC_INFO);
++storePersistentFailureCount;
}
if (!sourceIndex.isValid()) {
qWarning("%s: invalid source index", Q_FUNC_INFO);
++storePersistentFailureCount;
}
m_persistentSourceIndexes.append(sourceIndex);
m_persistentProxyIndexes.append(proxyIndex);
if (m_proxy->hasChildren(proxyIndex))
storePersistent(proxyIndex);
}
}
void storePersistent()
{
// This method is called from layoutAboutToBeChanged. Persistent indexes should be valid
foreach(const QModelIndex &idx, m_persistentProxyIndexes)
if (!idx.isValid()) {
qWarning("%s: persistentProxyIndexes contains invalid index", Q_FUNC_INFO);
++storePersistentFailureCount;
}
if (!m_proxy->persistent().isEmpty()) {
qWarning("%s: proxy should have no persistent indexes when storePersistent called",
Q_FUNC_INFO);
++storePersistentFailureCount;
}
storePersistent(QModelIndex());
if (m_proxy->persistent().isEmpty()) {
qWarning("%s: proxy should have persistent index after storePersistent called",
Q_FUNC_INFO);
++storePersistentFailureCount;
}
}
void checkPersistent()
{
for (int row = 0; row < m_persistentProxyIndexes.size(); ++row) {
QModelIndex updatedProxy = m_persistentProxyIndexes.at(row);
QModelIndex updatedSource = m_persistentSourceIndexes.at(row);
}
for (int row = 0; row < m_persistentProxyIndexes.size(); ++row) {
QModelIndex updatedProxy = m_persistentProxyIndexes.at(row);
QModelIndex updatedSource = m_persistentSourceIndexes.at(row);
if (m_proxy->mapToSource(updatedProxy) != updatedSource) {
qWarning("%s: check failed at row %d", Q_FUNC_INFO, row);
++checkPersistentFailureCount;
}
}
m_persistentSourceIndexes.clear();
m_persistentProxyIndexes.clear();
}
private:
AccessibleProxyModel *m_proxy;
QList<QPersistentModelIndex> m_persistentSourceIndexes;
QList<QPersistentModelIndex> m_persistentProxyIndexes;
public:
int storePersistentFailureCount;
int checkPersistentFailureCount;
};
void tst_ModelTest::moveSourceItems()
{
DynamicTreeModel *model = new DynamicTreeModel(this);
AccessibleProxyModel *proxy = new AccessibleProxyModel(this);
proxy->setSourceModel(model);
ModelInsertCommand *insertCommand = new ModelInsertCommand(model, this);
insertCommand->setStartRow(0);
insertCommand->setEndRow(2);
insertCommand->doCommand();
insertCommand = new ModelInsertCommand(model, this);
insertCommand->setAncestorRowNumbers(QList<int>() << 1);
insertCommand->setStartRow(0);
insertCommand->setEndRow(2);
insertCommand->doCommand();
ObservingObject observer(proxy);
ModelMoveCommand *moveCommand = new ModelMoveCommand(model, this);
moveCommand->setStartRow(0);
moveCommand->setEndRow(0);
moveCommand->setDestAncestors(QList<int>() << 1);
moveCommand->setDestRow(0);
moveCommand->doCommand();
QCOMPARE(observer.storePersistentFailureCount, 0);
QCOMPARE(observer.checkPersistentFailureCount, 0);
}
void tst_ModelTest::testResetThroughProxy()
{
DynamicTreeModel *model = new DynamicTreeModel(this);
ModelInsertCommand *insertCommand = new ModelInsertCommand(model, this);
insertCommand->setStartRow(0);
insertCommand->setEndRow(2);
insertCommand->doCommand();
QPersistentModelIndex persistent = model->index(0, 0);
AccessibleProxyModel *proxy = new AccessibleProxyModel(this);
proxy->setSourceModel(model);
ObservingObject observer(proxy);
observer.storePersistent();
ModelResetCommand *resetCommand = new ModelResetCommand(model, this);
resetCommand->setNumCols(0);
resetCommand->doCommand();
QCOMPARE(observer.storePersistentFailureCount, 0);
QCOMPARE(observer.checkPersistentFailureCount, 0);
}
QTEST_MAIN(tst_ModelTest)
#include "tst_modeltest.moc"