/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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
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** use the contact form at http://qt.digia.com/contact-us.
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** 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
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****************************************************************************/

#ifndef MODELTEST_H
#define MODELTEST_H

#include <QAbstractItemModel>
#include <QObject>
#include <QStack>

class ModelTest : public QObject
{
    Q_OBJECT

public:
    ModelTest(QAbstractItemModel *model, QObject *parent = 0);

private Q_SLOTS:
    void nonDestructiveBasicTest();
    void rowCount();
    void columnCount();
    void hasIndex();
    void index();
    void parent();
    void data();

protected Q_SLOTS:
    void runAllTests();
    void layoutAboutToBeChanged();
    void layoutChanged();
    void rowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
    void rowsInserted(const QModelIndex & parent, int start, int end);
    void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
    void rowsRemoved(const QModelIndex & parent, int start, int end);

private:
    void checkChildren(const QModelIndex &parent, int currentDepth = 0);

    QAbstractItemModel *model;

    struct Changing
    {
        QModelIndex parent;
        int oldSize;
        QVariant last;
        QVariant next;
    };
    QStack<Changing> insert;
    QStack<Changing> remove;

    bool fetchingMore;

    QList<QPersistentModelIndex> changing;
};

#endif // MODELTEST_H
