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Durham e-Theses
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A Weighted Grid for Measuring Program Robustness

ABDALLAH, MOHAMMAD,MAHMOUD,AREF (2012) A Weighted Grid for Measuring Program Robustness. Doctoral thesis, Durham University.

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Abstract

Robustness is a key issue for all the programs, especially safety critical ones. In the literature, Program Robustness is defined as “the degree to which a system or component can function correctly in the presence of invalid input or stressful environment” (IEEE 1990). Robustness measurement is the value that reflects the Robustness Degree of the program.
In this thesis, a new Robustness measurement technique; the Robustness Grid, is introduced. The Robustness Grid measures the Robustness Degree for programs, C programs in this instance, using a relative scale. It allows programmers to find the program’s vulnerable points, repair them, and avoid similar mistakes in the future.
The Robustness Grid is a table that contains Language rules, which is classified into categories with respect to the program’s function names, and calculates the robustness degree. The Motor Industry Software Reliability Association (MISRA) C language rules with the Clause Program Slicing technique will be the basis for the robustness measurement mechanism.
In the Robustness Grid, for every MISRA rule, a score will be given to a function every time it satisfies or violates a rule. Furthermore, Clause program slicing will be used to weight every MISRA rule to illustrate its importance in the program. The Robustness Grid shows how much each part of the program is robust and effective, and assists developers to measure and evaluate the robustness degree for each part of a program.
Overall, the Robustness Grid is a new technique that measures the robustness of C programs using MISRA C rules and Clause program slicing. The Robustness Grid shows the program robustness degree and the importance of each part of the program. An evaluation of the Robustness Grid is performed to show that it offers new measurements that were not provided before.

Item Type:Thesis (Doctoral)
Award:Doctor of Philosophy
Keywords:Robustness, Program Slicing, Robustness Grid, Robustness Degree, Clause Slicing
Faculty and Department:Faculty of Science > Engineering and Computing Science, School of
Thesis Date:2012
Copyright:Copyright of this thesis is held by the author
Deposited On:30 Aug 2012 09:59

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