modeltest.h

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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);
 
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