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Automatic test case generation using multi-protocol test method

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5 Author(s)
Soo-In Lee ; Sch. of Eng., Inf. & Commun., Taejon Univ., South Korea ; Yongbum Park ; Myungchul Kim ; Hee Yong Youn
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A method for testing multi-protocol implementation under test (IUT) with a single test suite has been proposed in the literature. It tests a multi-protocol IUT in an integrated way compared to the conventional method, where a single-layer test method and a single-layer embedded test method are applied, respectively, to the upper layer protocol and to lower layer protocols. However, it did not consider how to generate the test cases automatically but proposed only an approach for the test method. This paper proposes an algorithm called multi-protocol test method (MPTM) for automatic test case generation based on that approach. With the MPTM, a multi-protocol IUT consisting of two protocol layers is modeled as two finite state machines (FSMs), and the relationships between the their transitions are defined as a set of transition relationships, pre-execution and carried-by. The proposed algorithm is implemented and applied to a simplified TCP/IP and B-ISDN signaling/SSCOP (service specific connection-oriented protocol). The MPTM is able to test the multi-protocol IUT even though the interfaces between the protocol layers are not exposed. It also allows the same test coverage as conventional test methods, but with a much smaller number of test cases and operations

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Computer Communications and Networks, 2000. Proceedings. Ninth International Conference on

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