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****************************************************************************/

#ifndef QTESTCORELIST_H

#define QTESTCORELIST_H

#include <QtCore/qglobal.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Test)

template <class T>

class QTestCoreList

{

    public:

        QTestCoreList();

        virtual ~QTestCoreList();

        void addToList(T **list);

        T *nextElement();

        T *previousElement();

        int count(T *list);

        int count();

    private:

        T *next;

        T *prev;

};

template <class T>

QTestCoreList<T>::QTestCoreList()

:next(0)

,prev(0)

{

}

template <class T>

QTestCoreList<T>::~QTestCoreList()

{

    if (prev) {

        prev->next = 0;

    }

    delete prev;

    if (next) {

        next->prev = 0;

    }

    delete next;

}

template <class T>

void QTestCoreList<T>::addToList(T **list)

{

    if (next)

        next->addToList(list);

    else {

        next = *list;

        if (next)

            next->prev = static_cast<T*>(this);

    }

    *list = static_cast<T*>(this);

}

template <class T>

T *QTestCoreList<T>::nextElement()

{

    return next;

}

template <class T>

T *QTestCoreList<T>::previousElement()

{

    return prev;

}

template <class T>

int QTestCoreList<T>::count()

{

    int numOfElements = 0;

    T *it = next;

    while(it){

        ++numOfElements;

        it = it->nextElement();

    }

    return numOfElements;

}

QT_END_NAMESPACE

QT_END_HEADER

#endif