--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hgcacheproxymodel/tsrc/unit/dataproviderhelper.h	Mon May 03 13:32:54 2010 +0300
@@ -0,0 +1,108 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+#ifndef DATAPROVIDERHELPER_H
+#define DATAPROVIDERHELPER_H
+
+#include <hgwidgets/hgdataprovidermodel.h>
+#include <QList>
+#include <QPair>
+
+class DataProviderHelper : public HgDataProviderModel, public HgDataProviderModelObserver
+{
+    Q_OBJECT
+
+public:
+    DataProviderHelper(int size =1200, QObject *parent = 0);
+    ~DataProviderHelper();
+
+//from HgDataProviderModel
+    virtual void doReleaseData(QList<int> list, bool silent);
+    virtual void doRequestData(QList<int> list, bool silent);  
+    virtual QVariant defaultIcon() const;
+    virtual void doResetModel();
+        
+//from QAbstractItemModel
+    virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);    
+    virtual bool setItemData(const QModelIndex &index, const QMap<int, QVariant> &roles);
+    
+//for testing
+    void testClearCache();
+    void testNewItem(QList< QPair< QVariant, int > >* list, bool silent);
+    void testNewItem(QPair< QVariant, int > item, bool silent);
+    bool testUpdate(int pos, QList< QPair< QVariant, int > >* list, bool silent);
+    bool testUpdate(int pos, QVariant obj, int role, bool silent );
+    void testRemoveItems(int pos, int size = 1);
+    void testRemoveItem(int pos);
+    void testInsertItem(int pos, QPair< QVariant, int > item, bool silent);
+    
+    QList< QPair< int, int > > getObserverDataUpdated();
+    
+    QList< QPair< int, int > > getSignalDataUpdated();
+    QList< QPair< int, int > > getSignalRowsAboutToBeInserted();    
+    QList< QPair< int, int > > getSignalRowsInserted();
+    QList< QPair< int, int > > getSignalRowsAboutToBeRemoved();    
+    QList< QPair< int, int > > getSignalRowsRemoved();
+    bool getSignalAboutToBeReset();
+    bool getSignalReset();    
+    
+    QList<int> getLastRelease();
+    QList<int> getLastRequest();    
+    
+    void testReleasePixmap(int idx);
+    QVariant testCreateIcon(int index, QPixmap aPixmap);    
+    
+    void testEmitDataChanged(QModelIndex from,QModelIndex to);
+    void testEmitHeaderDataChanged(Qt::Orientation orientation, int first, int last);
+    void testEmitRowsInsert(QModelIndex parent,int from,int to);
+    void testEmitColumnsInsert(QModelIndex parent,int from,int to);
+    void testEmitRowsRemove(QModelIndex parent,int from,int to);
+    void testEmitColumnsRemove(QModelIndex parent,int from,int to);
+    void testEmitLayoutAboutToBeChanged();
+    void testEmitLayoutChanged();
+    void testEmitModelAboutToBeReset();
+    void testEmitModelReset();
+    
+//from HgDataProviderModelObserver
+public:
+    virtual void dataUpdated(int from, int to);
+
+private slots:
+    void slotDataUpdated(QModelIndex,QModelIndex);
+    void slotRowsAboutToBeInserted(QModelIndex,int,int);
+    void slotRowsInserted(QModelIndex,int,int);
+    void slotRowsAboutToBeRemoved(QModelIndex,int,int);
+    void slotRowsRemoved(QModelIndex,int,int);
+    void slotModelAboutToBeReset();
+    void slotModelReset();
+
+private:
+    QVariant mDefaultIcon;
+    QList< QPair< int, int > > mObserverDataUpdated;
+    
+    QList< QPair< int, int > > mSignalDataUpdated;
+    QList< QPair< int, int > > mSignalRowsAboutToBeInserted;    
+    QList< QPair< int, int > > mSignalRowsInserted;
+    QList< QPair< int, int > > mSignalRowsAboutToBeRemoved;    
+    QList< QPair< int, int > > mSignalRowsRemoved;
+    bool mSignalAboutToBeReset;
+    bool mSignalReset;    
+    QList<int> mLastRelease;
+    QList<int> mLastRequest;
+    
+};
+
+#endif // DATAPROVIDERHELPER_H