/*
    SPDX-FileCopyrightText: 2012 Nokia Corporation and /or its subsidiary(-ies).
    Contact: https://www.qt.io/developers/

    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:
    https://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.






    $QT_END_LICENSE$

*/


#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
