/****************************************************************************
**
** Copyright (C) 2007 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt Concurrent project on Trolltech Labs.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** https://www.qt.io/download-open-source
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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****************************************************************************/

#ifndef MODELTEST_H
#define MODELTEST_H

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

class ModelTest : public QObject
{
    Q_OBJECT

public:
    explicit 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