assure("clone's position changed somehow during deletion and RowSet-movement", clonePosition == clone.getRow());
// .....................................................................................................
// move the clone away from the deleted record
clone.next();
assure("clone still assumes that its row is deleted - but we already moved it", !clone.rowDeleted());
// .....................................................................................................
// check whether deleting the extremes (first / last) work
m_resultSet.first();
cloneRowLocate.moveToBookmark(m_rowLocate.getBookmark());