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Issue No.01 - January (2004 vol.30)
pp: 59-77
ABSTRACT
<p><b>Abstract</b>—The execution of a client/server application involving database access requires a sequence of database transaction events (or, T-events), called a transaction sequence (or, T-sequence). A client/server database application may have nondeterministic behavior in that multiple executions thereof with the same input may produce different T-sequences. In this paper, we present a framework for testing all possible T-sequences of a client/server database application. We first show how to define a T-sequence in order to provide sufficient information to detect race conditions between T-events. Second, we design algorithms to change the outcomes of race conditions in order to derive race variants, which are prefixes of other T-sequences. Third, we develop a prefix-based replay technique for race variants derived from T-sequences. We prove that our framework can derive all the possible T-sequences in cases where every execution of the application terminates. A formal proof and an analysis of the proposed framework are given. We describe a prototype implementation of the framework and present experimental results obtained from it.</p>
INDEX TERMS
Concurrent programming, reachability testing, client/server, database management system.
CITATION
Gwan-Hwan Hwang, Sheng-Jen Chang, Huey-Der Chu, "Technology for Testing Nondeterministic Client/Server Database Applications", IEEE Transactions on Software Engineering, vol.30, no. 1, pp. 59-77, January 2004, doi:10.1109/TSE.2004.1265736
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