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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+#include <QtCore/QtCore>
+#include <QtSql/QtSql>
+#include <QtGui/QtGui>
+#include <QSortFilterProxyModel>
+
+/*
+ To add a model to be tested add the header file to the includes
+ and impliment what is needed in the four functions below.
+
+ You can add more then one model, several Qt models and included as examples.
+
+ In tst_qitemmodel.cpp a new ModelsToTest object is created for each test.
+
+ When you have errors fix the first ones first. Later tests depend upon them working
+*/
+
+class ModelsToTest {
+
+public:
+ ModelsToTest();
+
+ QAbstractItemModel *createModel(const QString &modelType);
+ QModelIndex populateTestArea(QAbstractItemModel *model);
+ void cleanupTestArea(QAbstractItemModel *model);
+
+ enum Read {
+ ReadOnly, // wont perform remove(), insert(), and setData()
+ ReadWrite
+ };
+ enum Contains {
+ Empty, // Confirm that rowCount() == 0 etc throughout the test
+ HasData // Confirm that rowCount() != 0 etc throughout the test
+ };
+
+ struct test {
+ test(QString m, Read r, Contains c) : modelType(m), read(r), contains(c){};
+
+ QString modelType;
+ Read read;
+ Contains contains;
+ };
+
+ QList<test> tests;
+
+ static void setupDatabase();
+};
+
+
+/*!
+ Add new tests, they can be the same model, but in a different state.
+
+ The name of the model is passed to createModel
+ If readOnly is true the remove tests will be skipped. Example: QDirModel is disabled.
+ If createModel returns an empty model. Example: QDirModel does not
+ */
+ModelsToTest::ModelsToTest()
+{
+ setupDatabase();
+
+ tests.append(test("QDirModel", ReadOnly, HasData));
+ tests.append(test("QStringListModel", ReadWrite, HasData));
+ tests.append(test("QStringListModelEmpty", ReadWrite, Empty));
+
+ tests.append(test("QStandardItemModel", ReadWrite, HasData));
+ tests.append(test("QStandardItemModelEmpty", ReadWrite, Empty));
+
+ // QSortFilterProxyModel test uses QStandardItemModel so test it first
+ tests.append(test("QSortFilterProxyModel", ReadWrite, HasData));
+ tests.append(test("QSortFilterProxyModelEmpty", ReadWrite, Empty));
+ tests.append(test("QSortFilterProxyModelRegExp", ReadWrite, HasData));
+
+ tests.append(test("QListModel", ReadWrite, HasData));
+ tests.append(test("QListModelEmpty", ReadWrite, Empty));
+ tests.append(test("QTableModel", ReadWrite, HasData));
+ tests.append(test("QTableModelEmpty", ReadWrite, Empty));
+
+#if QT_VERSION >= 0x040200
+#define TABLEFEATURE ReadWrite
+#else
+#define TABLEFEATURE ReadOnly
+#endif
+ tests.append(test("QTreeModel", TABLEFEATURE, HasData));
+ tests.append(test("QTreeModelEmpty", TABLEFEATURE, Empty));
+
+ tests.append(test("QSqlQueryModel", ReadOnly, HasData));
+ tests.append(test("QSqlQueryModelEmpty", ReadOnly, Empty));
+
+ // Fails on remove
+ tests.append(test("QSqlTableModel", ReadOnly, HasData));
+}
+
+/*!
+ Return a new modelType.
+ */
+QAbstractItemModel *ModelsToTest::createModel(const QString &modelType)
+{
+ if (modelType == "QStringListModelEmpty")
+ return new QStringListModel();
+
+ if (modelType == "QStringListModel") {
+ QStringListModel *model = new QStringListModel();
+ populateTestArea(model);
+ return model;
+ }
+
+ if (modelType == "QStandardItemModelEmpty") {
+ return new QStandardItemModel();
+ }
+
+ if (modelType == "QStandardItemModel") {
+ QStandardItemModel *model = new QStandardItemModel();
+ populateTestArea(model);
+ return model;
+ }
+
+ if (modelType == "QSortFilterProxyModelEmpty") {
+ QSortFilterProxyModel *model = new QSortFilterProxyModel;
+ QStandardItemModel *standardItemModel = new QStandardItemModel;
+ model->setSourceModel(standardItemModel);
+ return model;
+ }
+
+ if (modelType == "QSortFilterProxyModelRegExp") {
+ QSortFilterProxyModel *model = new QSortFilterProxyModel;
+ QStandardItemModel *standardItemModel = new QStandardItemModel;
+ model->setSourceModel(standardItemModel);
+ populateTestArea(model);
+ model->setFilterRegExp(QRegExp("(^$|0.*)"));
+ return model;
+ }
+
+ if (modelType == "QSortFilterProxyModel") {
+ QSortFilterProxyModel *model = new QSortFilterProxyModel;
+ QStandardItemModel *standardItemModel = new QStandardItemModel;
+ model->setSourceModel(standardItemModel);
+ populateTestArea(model);
+ return model;
+ }
+
+ if (modelType == "QDirModel") {
+ QDirModel *model = new QDirModel();
+ model->setReadOnly(false);
+ return model;
+ }
+
+ if (modelType == "QSqlQueryModel") {
+ QSqlQueryModel *model = new QSqlQueryModel();
+ populateTestArea(model);
+ return model;
+ }
+
+ if (modelType == "QSqlQueryModelEmpty") {
+ QSqlQueryModel *model = new QSqlQueryModel();
+ return model;
+ }
+
+ if (modelType == "QSqlTableModel") {
+ QSqlTableModel *model = new QSqlTableModel();
+ populateTestArea(model);
+ return model;
+ }
+
+ if (modelType == "QListModelEmpty")
+ return (new QListWidget)->model();
+
+ if (modelType == "QListModel") {
+ QListWidget *widget = new QListWidget;
+ populateTestArea(widget->model());
+ return widget->model();
+ }
+
+ if (modelType == "QTableModelEmpty")
+ return (new QTableWidget)->model();
+
+ if (modelType == "QTableModel") {
+ QTableWidget *widget = new QTableWidget;
+ populateTestArea(widget->model());
+ return widget->model();
+ }
+
+ if (modelType == "QTreeModelEmpty") {
+ QTreeWidget *widget = new QTreeWidget;
+ return widget->model();
+ }
+
+ if (modelType == "QTreeModel") {
+ QTreeWidget *widget = new QTreeWidget;
+ populateTestArea(widget->model());
+ return widget->model();
+ }
+
+ Q_ASSERT(false);
+ return 0;
+}
+
+/*!
+ Fills model with some test data at least twenty rows and if possible twenty or more columns.
+ Return the parent of a row/column that can be tested.
+
+ NOTE: If readOnly is true tests will try to remove and add rows and columns.
+ If you have a tree model returning not the root index will help catch more errors.
+ */
+QModelIndex ModelsToTest::populateTestArea(QAbstractItemModel *model)
+{
+ if (QStringListModel *stringListModel = qobject_cast<QStringListModel *>(model)) {
+ QString alphabet = "a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z";
+ stringListModel->setStringList( alphabet.split(",") );
+ return QModelIndex();
+ }
+
+ if (qobject_cast<QStandardItemModel *>(model)) {
+ // Basic tree StandardItemModel
+ QModelIndex parent;
+ QVariant blue = QVariant(QColor(Qt::blue));
+#ifndef Q_OS_WINCE
+ for (int i = 0; i < 4; ++i) {
+#else
+ for (int i = 0; i < 2; ++i) {
+#endif
+ parent = model->index(0, 0, parent);
+ model->insertRows(0, 26 + i, parent);
+#ifndef Q_OS_WINCE
+ model->insertColumns(0, 26 + i, parent);
+#else
+ model->insertColumns(0, 4 + i, parent);
+#endif
+ // Fill in some values to make it easier to debug
+ /*
+ for (int x = 0; x < 26 + i; ++x) {
+ QString xval = QString::number(x);
+ for (int y = 0; y < 26 + i; ++y) {
+ QString val = xval + QString::number(y) + QString::number(i);
+ QModelIndex index = model->index(x, y, parent);
+ model->setData(index, val);
+ model->setData(index, blue, Qt::TextColorRole);
+ }
+ }
+ */
+ }
+ return model->index(0,0);
+ }
+
+ if (qobject_cast<QSortFilterProxyModel *>(model)) {
+ QAbstractItemModel *realModel = (qobject_cast<QSortFilterProxyModel *>(model))->sourceModel();
+ // Basic tree StandardItemModel
+ QModelIndex parent;
+ QVariant blue = QVariant(QColor(Qt::blue));
+#ifndef Q_OS_WINCE
+ for (int i = 0; i < 4; ++i) {
+#else
+ for (int i = 0; i < 2; ++i) {
+#endif
+ parent = realModel->index(0, 0, parent);
+ realModel->insertRows(0, 26+i, parent);
+#ifndef Q_OS_WINCE
+ realModel->insertColumns(0, 26+i, parent);
+#else
+ realModel->insertColumns(0, 4, parent);
+#endif
+ // Fill in some values to make it easier to debug
+ /*
+ for (int x = 0; x < 26+i; ++x) {
+ QString xval = QString::number(x);
+ for (int y = 0; y < 26 + i; ++y) {
+ QString val = xval + QString::number(y) + QString::number(i);
+ QModelIndex index = realModel->index(x, y, parent);
+ realModel->setData(index, val);
+ realModel->setData(index, blue, Qt::TextColorRole);
+ }
+ }
+ */
+ }
+ QModelIndex returnIndex = model->index(0,0);
+ Q_ASSERT(returnIndex.isValid());
+ return returnIndex;
+ }
+
+ if (QDirModel *dirModel = qobject_cast<QDirModel *>(model)) {
+ // Don't risk somthing bad happening, assert if this fails
+ Q_ASSERT(QDir(QDir::currentPath()).mkdir("test"));
+ for (int i = 0; i < 26; ++i)
+ Q_ASSERT(QDir(QDir::currentPath()).mkdir(QString("test/foo_%1").arg(i)));
+ return dirModel->index(QDir::currentPath()+"/test");
+ }
+
+ if (QSqlQueryModel *queryModel = qobject_cast<QSqlQueryModel *>(model)) {
+ QSqlQuery q;
+ q.exec("CREATE TABLE test(id int primary key, name varchar(30))");
+ q.prepare("INSERT INTO test(id, name) values (?, ?)");
+#ifndef Q_OS_WINCE
+ for (int i = 0; i < 1024; ++i) {
+#else
+ for (int i = 0; i < 512; ++i) {
+#endif
+ q.addBindValue(i);
+ q.addBindValue("Mr. Smith" + QString::number(i));
+ q.exec();
+ }
+ if (QSqlTableModel *tableModel = qobject_cast<QSqlTableModel *>(model)) {
+ tableModel->setTable("test");
+ tableModel->setEditStrategy(QSqlTableModel::OnManualSubmit);
+ tableModel->select();
+ } else {
+ queryModel->setQuery("select * from test");
+ }
+ return QModelIndex();
+ }
+
+ if (QListWidget *listWidget = qobject_cast<QListWidget *>(model->parent())) {
+#ifndef Q_OS_WINCE
+ int items = 100;
+#else
+ int items = 50;
+#endif
+ while (items--)
+ listWidget->addItem(QString("item %1").arg(items));
+ return QModelIndex();
+ }
+
+ if (QTableWidget *tableWidget = qobject_cast<QTableWidget *>(model->parent())) {
+ tableWidget->setColumnCount(20);
+ tableWidget->setRowCount(20);
+ return QModelIndex();
+ }
+
+ if (QTreeWidget *treeWidget = qobject_cast<QTreeWidget *>(model->parent())) {
+ int topItems = 20;
+ treeWidget->setColumnCount(1);
+ QTreeWidgetItem *parent;
+ while (topItems--){
+ parent = new QTreeWidgetItem(treeWidget, QStringList(QString("top %1").arg(topItems)));
+ for (int i = 0; i < 20; ++i)
+ new QTreeWidgetItem(parent, QStringList(QString("child %1").arg(topItems)));
+ }
+ return QModelIndex();
+ }
+
+ Q_ASSERT(false);
+ return QModelIndex();
+}
+
+/*!
+ If you need to cleanup from populateTest() do it here.
+ Note that this is called after every test even if populateTestArea isn't called.
+ */
+void ModelsToTest::cleanupTestArea(QAbstractItemModel *model)
+{
+ if (qobject_cast<QDirModel *>(model))
+ {
+ if (QDir(QDir::currentPath()+"/test").exists())
+ {
+ for (int i = 0; i < 26; ++i)
+ QDir::current().rmdir(QString("test/foo_%1").arg(i));
+ Q_ASSERT(QDir::current().rmdir("test"));
+ }
+ } else if (qobject_cast<QSqlQueryModel *>(model)) {
+ QSqlQuery q("DROP TABLE test");
+ }
+}
+
+void ModelsToTest::setupDatabase()
+{
+ if (!QSqlDatabase::database().isValid()) {
+ QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
+ db.setDatabaseName(":memory:");
+ if (!db.open()) {
+ qWarning() << "Unable to open database" << db.lastError();
+ return;
+ }
+ }
+}
+