Context Software quality can be assured by going through software testing process. However, software testing phase is an expensive process as it consumes a longer time. By scheduling test cases execution order through a prioritization approach, software testing efficiency can be improved especially during regression testing. Objective It is a notable step to be taken in constructing important software testing environment so that a system's commercial value can increase. The main idea of this review is to examine and classify the current test case prioritization approaches based on the articulated research questions. Method Set of search keywords with appropriate repositories were utilized to extract most important studies that fulfill all the criteria defined and classified under journal, conference paper, symposiums and workshops categories. 69 primary studies were nominated from the review strategy. Results There were 40 journal articles, 21 conference papers, three workshop articles, and five symposium articles collected from the primary studies. As for the result, it can be said that TCP approaches are still broadly open for improvements. Each approach in TCP has specified potential values, advantages, and limitation. Additionally, we found that variations in the starting point of TCP process among the approaches provide a different timeline and benefit to project manager to choose which approaches suite with the project schedule and available resources. Conclusion Test case prioritization has already been considerably discussed in the software testing domain. However, it is commonly learned that there are quite a number of existing prioritization techniques that can still be improved especially in data used and execution process for each approach.

Test case prioritization approaches in regression testing: A systematic literature review

Vehicular communication networks is a powerful tool that enables numerous vehicular data services and applications. The rapid growth in vehicles has also resulted in the vehicular network becoming heterogeneous, dynamic, and large-scale, making it hard to meet the strict requirements, such as extremely latency, high mobility, top security, and enormous connections of the fifth-generation network. Previous studies have shown that with the increase in the application of Software-Defined Networking (SDN) on Vehicular Ad-hoc Network (VANET) in industries, researchers have exerted considerable efforts to improve vehicular communications. This study presents an exhaustive review of previous works by classifying them based on based on wireless communication, particularly VANET. First, a concise summary of the VANET structure and SDN controller with layers and details of their infrastructure is provided. Second, a description of SDN-VANET applications in different wireless communications, such as the Internet of Things (IoT) and VANET is provided with concentration on the examination and comparison of SDN-VANET works on several parameters. This paper also provides a detailed analysis of the open issues and research directions accomplished while integrating the VANET with SDN. It also highlights the current and emerging technologies with use cases in vehicular networks to address the several challenges in the VANET infrastructure. This survey acts as a catalyst in raising the emergent robustness routing protocol, latency, connectivity and security issues of future SDN-VANET architectures.

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A Comprehensive Survey: Benefits, Services, Recent Works, Challenges, Security, and Use Cases for SDN-VANET

A Survey on software-defined networking in vehicular ad hoc networks: Challenges, applications and use cases

Software defined vehicular networks: A comprehensive review

ContextCyber-physical systems (CPSs) have emerged to be the next generation of engineered systems driving the so-called fourth industrial revolution. CPSs are becoming more complex, open and more prone to security threats, which urges security to be engineered systematically into CPSs. Model-Based Security Engineering (MBSE) could be a key means to tackle this challenge via security by design, abstraction, and automation. ObjectiveWe aim at providing an initial assessment of the state of the art in MBSE for CPSs (MBSE4CPS). Specifically, this work focuses on finding out 1) the publication statistics of MBSE4CPS studies; 2) the characteristics of MBSE4CPS studies; and 3) the open issues of MBSE4CPS research. MethodWe conducted a systematic mapping study (SMS) following a rigorous protocol that was developed based on the state-of-the-art SMS and systematic review guidelines. From thousands of relevant publications, we systematically identified 48 primary MBSE4CPS studies for data extraction and synthesis to answer predefined research questions. ResultsSMS results show that for three recent years (2014-2016) the number of primary MBSE4CPS studies has increased significantly. Within the primary studies, the popularity of using Domain-Specific Languages (DSLs) is comparable with the use of the standardised UML modelling notation. Most primary studies do not explicitly address specific security concerns (e.g., confidentiality, integrity) but rather focus on security analyses in general on threats, attacks or vulnerabilities. Few primary studies propose to engineer security solutions for CPSs. Many focus on the early stages of development lifecycle such as security requirement engineering or analysis. ConclusionThe SMS does not only provide the state of the art in MBSE4CPS, but also points out several open issues that would deserve more investigation, e.g., the lack of engineering security solutions for CPSs, limited tool support, too few industrial case studies, and the challenge of bridging DSLs in engineering secure CPSs.

Model-based security engineering for cyber-physical systems

Fault localization aims to use testing information from executed test cases to help locate the fault position. However, obtaining testing information (including test results and coverage information) is expensive because it needs much manual effort. How to orderly choose and execute a small number of test cases, and in the meantime achieve a good effectiveness of fault localization in the case of unknowing testing information is still a challenge for us. In this paper, we propose a new test case prioritization algorithm for fault localization, which is based on the rank changes of suspicious values of program elements. Test case which can maximize the improvements of suspicious ranks of program elements may assign the highest priority for execution. A set of empirical studies have been designed and conducted on Siemens programs and four medium-sized programs. The results show that our algorithm can help reduce the debugging effort in terms of the percentage of statements needed to be inspected to locate faults in both single-fault and multi-fault programs.

Test Case Prioritization Approach to Improving the Effectiveness of Fault Localization

The invention relates to a vehicle-mounted ad hoc network clustering method based on link reliability, and the method comprises the following steps: S1, building a vehicle motion model according to vehicle nodes in a vehicle-mounted ad hoc network, and calculating the link survival time between the vehicle nodes; S2, evaluating the link reliability between the vehicle nodes according to the link survival time in the step S1; and S3, completing cluster head selection, cluster formation and cluster maintenance of the vehicle-mounted ad hoc network according to the link reliability by adopting avehicle-mounted ad hoc network clustering algorithm. Compared with the prior art, the method has the advantages of improving the clustering efficiency of the vehicle-mounted ad hoc network, the stability of the cluster and the like.

Xiang Ji

Papers

Test Case Prioritization Approach to Improving the Effectiveness of Fault Localization

Vehicle-mounted ad hoc network clustering method based on link reliability