MSeqGen Release 1.0

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Released: Aug 18, 2010
Updated: Aug 19, 2010 by sthumma
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Source Code MSeqGen V1.0
source code, 1224K, uploaded Jul 12, 2010 - 91 downloads

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An objective of unit testing is to achieve high structural coverage of the code under test. Achieving high structural coverage of object-oriented code requires desirable method-call sequences that create and mutate objects. These sequences help generate target object states such as argument or receiver object states (in short as target states) of a method under test. Automatic generation of sequences for achieving target states is often challenging due to a large search space of possible sequences. On the other hand, code bases that use object types (such as argument or receiver object types) include sequences that can be used to assist automatic test-generation approaches in achieving target states. In this paper, we propose a novel approach, called MSeqGen, that mines code bases and extracts sequences related to receiver or argument object types of a method under test. Our approach uses these extracted sequences to enhance two state-of-the-art test-generation approaches: random testing and dynamic symbolic execution. We conduct two evaluations to show the effectiveness of our approach. Using sequences extracted by our approach, we show that a random testing approach and a dynamic-symbolic-execution-based approach achieves higher branch coverage than without using our approach.

http://people.engr.ncsu.edu/txie/publications/esecfse09-mseqgen.pdf

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