Computer Engineering / Bilgisayar Mühendisliği

Permanent URI for this collectionhttps://hdl.handle.net/11147/10

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Scopus Q: search.filters.scopusQuartile.Q4Subject: search.filters.subject.Software testing

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  • Conference Object
    Özellik Yönelimli Ürün Konfigürasyonlarının Olay Sıra Çizgeleri ile Doğrulanması
    (CEUR Workshop Proceedings, 2018) Tuğlular, Tuğkan; Belli, Fevzi; Öztürk, Dilek
    This study attempts to suggest an approach to systematically test potentially very large number of product variants in feature-oriented software. Feature-oriented software forms a popular concept to efficiently realize software reuse. Developing feature-oriented software is well accepted to accomplish software reuse in an efficient way. Developing product variants by exploiting software reuse requires verification of these variants by exploiting test reuse. However, the reuse of tests in the verification of variants is an underworked topic. In this study, we propose a model-based approach to top-down testing of feature-oriented software that does not have dependency or conflict between features. In the case study, event sequence graphs (ESGs) are used to model the software under consideration and then to generate test cases for positive and negative testing. The generated tests are executed via SahiPro web test automation tool, of which scripts are also automatically generated from ESGs.
  • Article
    Citation - Scopus: 1
    Assuring Dependability of Software Reuse: an Industrial Standard
    (Springer Verlag, 2014) Belli, Fevzi
    Whereas a software component may be perfectly suited to one application, it may prove to cause severe faults in other applications. The prestandard IEC/PAS 62814 (Dependability of Software Products Containing Reusable Components – Guidance for Functionality and Tests), which has recently been released, addresses the functionality, testing, and dependability of software components to be reused and products that contain software to be used in more than one application; that is, reused by the same or by another development organization, regardless of whether it belongs to the same or another legal entity than the one that has developed this software. This paper introduces into this pre-standard and give hints how to use it. The author, who chaired its realization that started in 2006, briefly summarizes the difficult process to bring the industrial partners with controversial interests to a consensus.
  • Conference Object
    Citation - WoS: 8
    Citation - Scopus: 10
    Model-Based Higher-Order Mutation Analysis
    (Springer Verlag, 2010) Belli, Fevzi; Güler, Nevin; Hollmann, Axel; Suna, Gökhan; Yıldız, Esra
    Mutation analysis is widely used as an implementation-oriented method for software testing and test adequacy assessment. It is based on creating different versions of the software by seeding faults into its source code and constructing test cases to reveal these changes. However, in case that source code of software is not available, mutation analysis is not applicable. In such cases, the approach introduced in this paper suggests the alternative use of a model of the software under test. The objectives of this approach are (i) introduction of a new technique for first-order and higher-order mutation analysis using two basic mutation operators on graph-based models, (ii) comparison of the fault detection ability of first-order and higher-order mutants, and (iii) validity assessment of the coupling effect. © 2010 Springer-Verlag Berlin Heidelberg.
  • Conference Object
    Neden-sonuç Çizgelerinden Test Girişlerinin Oluşturulması
    (CEUR Workshop Proceedings, 2016) Kavzak, Deniz; Ayav, Tolga; Belli, Fevzi
    Neden-sonuç çizgeleri çok bilinen gereksinim tabanlı yazılım test yöntemlerinden biri olduğu halde Myers tarafıdan önerildiği 1979 yılından beri bu çizgelerden test girişleri üretilmesi konusunda yeterince kapsamlı çalışma yap lmam ıştır. Bu bildiri, çizgelerin Boole ifadelerine dönüştürülmesini ve Boole ifadelerinin testi için önerilmiş olan MI, MAX-A ve CUTPNFP stratejilerini kullanarak test girişleri üretilmesini önermektedir. Mutasyon analizi kullanılarak bu yöntemlerin hata ortaya çıkarma başarımları ölçülmüş ve Myers' n önerdiği orijinal test üretme yöntemiyle kıyaslanmıştır.