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 /****************************************************************************
 **
 ** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the test suite of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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 ** information use the contact form at https://www.qt.io/contact-us.
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 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU
 ** General Public License version 3 as published by the Free Software
 ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
 ** included in the packaging of this file. Please review the following
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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 = nullptr );
 
 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