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Debugging or fault localization is one of the most challenging tasks during software development. Many tools have been developed to reduce the amount of effort and time software developers have to spend on fault localization. In this paper, we evaluate the effectiveness of a fault localization tool called BEN in localizing different types of software fault. Assuming that combinatorial testing has...
We present a combinatorial testing-based fault localization tool called BEN. BEN takes as input three types of information, including the subject program, the source code, an input parameter model, and a combinatorial test set created based on the input parameter model. It is assumed that the combinatorial test set has already been executed, and thus the execution status of each test is known. The...
We propose an efficient and accurate classification method based on Sparse Representation based Classification (SRC) for face recognition. In this approach, instead of using all or a subset, we use cluster centers of training samples to build SRC models. Considering the variability and redundancy of training samples, each class will be represented by a different number of representatives. In the next...
Some conflicting results have been reported on the comparison between t-way combinatorial testing and random testing. In this paper, we report a new study that applies t-way and random testing to the Siemens suite. In particular, we investigate the stability of the two techniques. We measure both code coverage and fault detection effectiveness. Each program in the Siemens suite has a number of faulty...
Combinatorial testing has been shown to be a very effective testing strategy. After a failure is detected, the next task is to identify the fault that causes the failure. In this paper, we present an approach to fault localization that leverages the result of combinatorial testing. Our approach is based on a notion called failure-inducing combinations. A combination is failure-inducing if it causes...
The input space of a system must be modeled before combinatorial testing can be applied to this system. The effectiveness of combinatorial testing to a large extent depends on the quality of the input space model. In this paper we introduce an input space modeling methodology for combinatorial testing. The main idea is to consider the process of input space modeling as two steps, namely, input structure...
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