Investigating the impact of code smells debt on quality code evaluation

Different forms of technical debt exist that have to be carefully managed. In this paper we focus our attention on design debt, represented by code smells. We consider three smells that we detect in open source systems of different domains. Our principal aim is to give advice on which design debt has to be paid first, according to the three smells we have analyzed. Moreover we discuss if the detection of these smells could be tailored to the specific application domain of a system.