Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

Permanent URI for this collectionhttps://hdl.handle.net/11147/7148

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  • Article
    Citation - Scopus: 5
    Unifying Behavioral and Feature Modeling for Testing of Software Product Lines
    (World Scientific Publishing, 2023) Belli, Fevzi; Tuğlular, Tuğkan; Ufuktepe, Ekincan
    Existing software product line (SPL) engineering testing approaches generally provide positive testing that validates the SPL's functionality. Negative testing is commonly neglected. This research aims to unify behavioral and feature models of an SPL, enable testing before and after variability binding for domain-centric and product-centric testing, and combine positive and negative testing for a holistic testing view. This study suggests behavioral modeling with event sequence graphs (ESGs). This heterogeneous modeling strategy supports bottom-up domain testing and top-down product testing with the feature model. This new feature-oriented ESG test creation method generates shorter test sequences than the original ESG optimum test sequences. Statechart and original ESG test-generating methods are compared. Positive testing findings are similar. The Statechart technique generated 12 test cases with 59 events, whereas the ESG technique created six test cases with 60 events. The ESG technique generated 205 negative test cases with 858 events with the Test Suite Designer tool. However, the Conformiq Designer tool for the Statechart technique does not have a negative test case generation capability. It is shown that the proposed ESG-based holistic approach confirms not only the desirable (positive) properties but also the undesirable (negative) ones. As an additional research, the traditional ESG test-generating approach is compared to the new feature-oriented method on six SPLs of different sizes and features. Our case study results show that the traditional ESG test generation approach demonstrated higher positive test generation scores compare to the proposed feature-oriented test generation approach. However, our proposed feature-oriented test generation approach is capable of generating shorter test sequences, which could be beneficial for reducing the execution time of test cases compared to traditional ESG approach. Finally, our case study has also shown that regardless of the test generation approach, there has been found no significant difference between the Bottom-up and Top-down test strategies with respect to their positive test generation scores. © World Scientific Publishing Company.
  • Conference Object
    Citation - WoS: 1
    Citation - Scopus: 5
    Automation Architecture for Bayesian Network Based Test Case Prioritization and Execution
    (Institute of Electrical and Electronics Engineers Inc., 2016) Ufuktepe, Ekincan; Tuğlular, Tuğkan
    An automation architecture for Bayesian Network based test case prioritization is designed for software written in Java programming language following the approach proposed by Mirarab and Tahvildari [2]. The architecture is implemented as an integration of a series of tools and called Bayesian Network based test case prioritization and execution platform. The platform is triggered by a change in the source code, then it collects necessary information to be supplied to Bayesian Network and uses Bayesian Network evaluation results to run high priority unit tests.
  • Conference Object
    Javascript Kütüphaneleri için Girdi Doğrulama Analizi
    (CEUR Workshop Proceedings, 2015) Ufuktepe, Ekincan; Tuğlular, Tuğkan
    Bugün artık mobil ve web temelli yazılımlar günlük hayatın bir parçası olmuştur. Bu yazılımlar içinde JavaScript kütüphanelerinin kullanımı da son yıllarda önemli artış göstermiştir. Bu kütüphaneler sağladıkları uygulama programlama arayüzleri ile daha ziyade söz verdikleri işlevleri yerine getirmekte ancak beklenmeyen girdilere karşı dayanıklı bir yapı sunamamak-tadır. Bu çalışmada mobil ve web temelli yazılımlarda yoğun olarak kullanılmakta olan beş JavaScript kütüphanesine ait işlevlerin aldığı para-metreler ile kullandıkları global değişkenler üzerinde doğrulama yapıp yap-madıkları analiz edilmiştir. Bunun için bir girdi doğrulama modeli ortaya konmuştur. Bu model üzerinde geliştirilen algoritma ile JavaScript programları için tip analiz yapan TAJS yazılımı genişletilmiş ve beş JavaScript kütüphane-sine uygulanmış ve elde edilen sonuçlar paylaşılmıştır.