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| Content Provider | ACM Digital Library |
|---|---|
| Author | Zhu, Ziming Xu, Xiong Jiao, Li |
| Abstract | Search based software testing has received great attention as a means of automating the test data generation, and the goal is to improve various criteria. There are different types of coverage criteria. In this paper, we deal with the path coverage. Concretely, we focus on the path that is the most difficult to cover. One major limitation of search based testing is the inefficient and insufficiently informed fitness function. To address this problem, we propose an adaptive fitness function based on branch hardness. The branch hardness is measured by the expected number of visits of each branch in the program, which is modeled by an absorbing discrete time Markov chain. By tuning the parameters of branch hardness heuristically, the search hardness, evaluated by the variation coefficient of the fitness function, of generating test data can be minimized. Therefore, this new fitness function is more flexible than the traditional counterparts. In addition, we point out that the present definition of branch distance and the use of normalizing functions are problematic, and propose some improvements. Finally, the empirical study reveals the promising result of our proposal in this paper. |
| Starting Page | 1335 |
| Ending Page | 1342 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781450349208 |
| DOI | 10.1145/3071178.3071184 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2017-07-01 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Adaptivity Search based software testing Fitness functions Branch hardness Test data generation |
| Content Type | Text |
| Resource Type | Article |
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