并发TTCN测试执行机的设计与实现
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Design and Implementation of Test Executor for Concurrent TTCN
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    摘要:

    提出了一种通用并发TTCN测试执行机的设计方法.在测试并发协议实现时,采用FIFO调度算法解决了并发测试例的执行问题,并在借鉴抽象I/O队列思想的基础上提出了PTI(packet transmitting interface)部分,使得执行机与特定的协议实现无关,而且提供了可视化的测试执行跟踪界面,使错误定位变得更加容易.实现的执行机在附加上相应的PTI部分之后就可以进行测试,目前已投入使用.

    Abstract:

    The method of designing a common-used concurrent TTCN test executor is proposed in this paper. When testing an implementation of concurrent protocol, the problem of executing concurrent test cases by FIFO scheduling algorithm is solved and the PTI (packet transmitting interface) part based on the abstract I/O queue theory is proposed. The PTI part offers the test executor the independency on implementations of a given protocol. What’s more, the test executor provides a visual interface to trace the executing of test cases, which makes the locating of faults easier. Banding with corresponding PTI part, the test executor can start a testing. Now it is already in use.

    参考文献
    [1]Gong ZH. The Protocol Engineering of Computer Network. Changsha: National University of Defence Technology Press, 1993. 140~164 (in Chinese).
    [2]ITU-T. OSI conformance testing methodology and framework for protocol recommendations for ITU-T applications--the tree and tabular combined notation (TTCN). Recommendation X.292, 1998.
    [3]ISO/IEC. OSI conformance testing methodology and framework part 3: the tree and tabular combined notation (TTCN). ISO9646-3, 1997.
    [4]Probert RL, Monkewich O. TTCN: the international notation for specifying tests of communications systems. Computer Networks and ISDN Systems, 1992,2:417~436.
    [5]Hao RB, Wu JP, Toward formal TTCN-based test execution. In: Proceedings of the 16th IEEE Annual Conference on Computer Communications. INFOCOM, Part 1. 1997. 230~235.
    [6]ITU-T. OSI conformance testing methodology and framework for protocol recommendations for ITU-T applications--abstract test suite specification. Recommendation X.291, 1998.
    [7]龚正虎.计算机网络协议工程.长沙:国防科学技术大学出版社,1993.140~164.
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引用本文

张卫星,蒋凡.并发TTCN测试执行机的设计与实现.软件学报,2003,14(3):606-611

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  • 收稿日期:2001-09-13
  • 最后修改日期:2002-04-10
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