/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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**
** In addition, as a special exception, Digia gives you certain additional
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****************************************************************************/


#ifndef MODELTEST_H
#define MODELTEST_H

#include <QtCore/QObject>
#include <QtCore/QAbstractItemModel>
#include <QtCore/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 );
  void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
  void headerDataChanged(Qt::Orientation orientation, 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
