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A well-designed fitness function is essential to the effectiveness and efficiency of evolutionary testing. Fitness function design has been researched extensively. For fitness calculation, so far the switchcase construct has been regarded as a nested if-else structure with respect to the control flow. Given a target embraced in a <i>case</i> branch, test… (More)
Evolutionary Testing has been shown a promising technology for the automatic test data generation. It reformulates test data generation as a metaheuristic search. A well- designed fitness function is essential to the efficiency of evolutionary search. Many efforts have been directed at the design and implementation of fitness function in recent years.… (More)
This poster paper addresses the fitness calculation problem fornested if-else constructs. A new term "optimism level" is incorporated into the fitness function to assess the branch distance of nested branches for a given test data.
Information infection and information leakage in computer systems are mainly caused by insecure network access. Considering the particularity of network security, a tool DTAD (dynamic taint analysis detector) for information flow security detection is designed and implemented, aiming at the problem of data security in network access. This tool performs log… (More)
With the growing complexity of modern software systems, there is an urgent requirement for a reversible debugger that can execute program backward to historical points. A reversible debugger enables programmers to speed up the location of the failure of programs and improve the efficiency of debugging process dramatically. This paper presents a prototype of… (More)