共查询到20条相似文献,搜索用时 15 毫秒
1.
针对协议测试中,状态机描述、测试集成环境和被测实现彼此独立带来的问题,提出了在可视化编程环境下利用抽象状态机模型和桩函数结合实现协议一致性测试方法。在分析抽象状态机测试理论的基础上,给出基于抽象状态机和remoting技术的协议分布式测试模型。以抽象状态机语言描述简单文件传输协议为例,采用分布式测试模型,实现了被测协议的远程一致性测试。 相似文献
2.
3.
MSTP协议是针对STP收敛速度慢,RSTP不能进行基于802.1Q的流量分担等情况下提出的一种新的多域生成树协议。在扼要介绍此协议的实现原理的基础上,设计了针对此协议一致性的测试方法和测试组织,并应用于交换机的实际测试中,同时,给出了具体的测试实例,并对测试结果进行了分析。 相似文献
4.
不同iSCSI协议实现之间能否互联互通取决于协议实现是否与iSCSI协议规范相一致。针对这个问题,研究了iSCSI协议一致性测试的测试原理和测试流程,设计了适合于iSCSI协议一致性测试的测试系统以及基于XML描述的iSCSI协议一致性测试套,给出了较为完整的iSCSI协议一致性测试例。使用该测试例对某产品的iSCSI协议实现进行一致性测试,发现了被测实现存在与协议规范不一致的地方。 相似文献
5.
Conformance test is a black-box test technique aiming at checking whether an implementation conforms to its specification. Numerous results have been already obtained in this field for specifications expressed in a formal language. However, these results cannot be applied for conformance test of industrial logic controllers whose specifications are given in standardized specification languages. To contribute to solve this issue, this paper proposes a method to obtain, from a Grafcet specification, an equivalent Mealy machine, without semantics loss. This method permits to describe explicitly and formally all the states and transitions that are implicitly represented in a Grafcet model. 相似文献
6.
介绍了网络实验室设计的传感器网络超轻量化的IPv6协议栈规范及实现。在结合TTCN-3一致性测试规范的基础上设计了一致性测试系统,给出了测试模型、测试方法和测试系统软件框架,并提出了测试用例描述方法和具体的实现策略。 相似文献
7.
8.
9.
Monika Kapus-Kolar 《Computer Standards & Interfaces》2012,34(4):390-395
In black-box conformance testing of reactive systems, the system is often assumed to be an implementation of a given finite state machine and to possess no more states than the machine. The key activity in the interpretation of an input/output sequence observed on the system is then to recognize the visited states as states of the specification machine. In the paper, three traditional state-recognition patterns (SRPs) are generalized to two much stronger, but still relatively easy to apply SRPs, and further to an extremely strong and general SRP from which further practically interesting SRPs can be developed simply by specialization. 相似文献
10.
列车用CAN总线协议一致性测试是保证不同设备制造厂家生产的CAN通信设备之间实现互联、互通和互操作的前提。在对协议一致性测试原理和CAN总线协议特点进行简要分析的基础上,提出了针对CAN总线协议一致性测试的协同测试方法和相应的一致性测试内容,设计并构建了相应的一致性测试硬件平台,并对测试软件平台中可执行测试实例产生、测试执行、测试评估以及测试管理等诸多环节所涉及的基本功能软件进行了设计和实现,完成了CAN协议一致性测试的基本功能。实际运行和测试结果表明:所设计的测试平台达到了预期结果,为下一步列车用CAN总线协议的一致性测试打下了基础。 相似文献
11.
Jae-Ho Lee Jong-Gyu Hwang Ducko Shin Kang-Mi Lee Sung-Un Kim 《Computer Standards & Interfaces》2009,31(2):362-371
Verification and conformance testing for protocol specification, the key part of the protocol development process, are complementary technologies employed to increase confidence that a system will function as stated in its specifications. In this paper, we verify the safety and liveness of the protocol specified for the Labeled Transition System (LTS) by using a model-checking method and implementing the testing tool, which experimentally demonstrates the presence of deadlock and reachability from the initial state to a random state. Implementing the testing tool can use modal mu-calculus to assess whether protocol model properties, presented by modal logic, meet protocol specifications. In addition, we propose a conformance testing tool to check correct implementation of sequences that have been derived by the UIO method from the specification of the protocol being verified. This generating tool uses the C++ language in the Microsoft Windows NT environment. 相似文献
12.
Luo Gang 《计算机科学技术学报》1994,9(4):289-301
We present a method of generating test cases from the software specifications which are modeled by nondeterministic finite state machines.It is applicable to both nondeterministic and deterministic finite state machines.When applied to deterministic machines,this method yields usually smaller test suites with full fault coverage than the existing methods that also assure full fault coverage.In particular,the proposed method can be used to test the control portion of software specified in the formal specification languages SDL or ESTELLE. 相似文献
13.
14.
Bochmann G.V. Dssouli R. Zhao J.R. 《IEEE transactions on pattern analysis and machine intelligence》1989,15(11):1347-1356
The authors explore a testing approach where the concern for selecting the appropriate test input provided to the implementation under test (IUT) is separated as much as possible from the analysis of the observed output. Particular emphasis is placed on the analysis of the observed interactions of the IUT in order to determine whether the observed input/output trace conforms to the IUT's specification. The authors consider this aspect of testing with particular attention to testing of communication protocol implementations. Various distributed test architectures are used for this purpose, where partial input/output traces are observable by local observers at different interfaces. The error-detection power of different test configurations is determined on the basis of the partial trace visible to each local observer and their global knowledge about the applied test case. The automated construction of trace analysis modules from the formal specification of the protocol is also discussed. Different transformations of the protocol specification may be necessary to obtain the reference specification, which can be used by a local or global observer for checking the observed trace. Experience with the construction of an arbiter for the OSI (open systems interconnection) transport protocol is described 相似文献
15.
Sankaranarayanan Ananthakrishnan Rohit Prasad David Stallard Prem Natarajan 《Computer Speech and Language》2013,27(2):397-406
The development of high-performance statistical machine translation (SMT) systems is contingent on the availability of substantial, in-domain parallel training corpora. The latter, however, are expensive to produce due to the labor-intensive nature of manual translation. We propose to alleviate this problem with a novel, semi-supervised, batch-mode active learning strategy that attempts to maximize in-domain coverage by selecting sentences, which represent a balance between domain match, translation difficulty, and batch diversity. Simulation experiments on an English-to-Pashto translation task show that the proposed strategy not only outperforms the random selection baseline, but also traditional active selection techniques based on dissimilarity to existing training data. 相似文献
16.
Support vector machine active learning for music retrieval 总被引:7,自引:0,他引:7
17.
18.
19.
Matthews R.S. Muralidhar K.H. Sparks S. 《IEEE transactions on pattern analysis and machine intelligence》1988,14(3):363-374
The major components of the MAP 2.1 conformance test system are described. Protocol conformance testing and program testing are compared. The scope and process of dynamic conformance testing is reviewed. The architecture of the tests system is presented, first in terms of the developing ISO (International Organization for Standardization) framework, and then in terms of run-time components. Several specific tools which comprise the test system are described. These tools include test engines, a high-level control tool, monitoring and analysis tools, and document handling tools. Benefits and limitations of the test tools are examined. Conclusions and suggestions for future efforts are provided 相似文献
20.
On-the-fly conformance testing using SPIN 总被引:2,自引:1,他引:2
René G. de Vries Jan Tretmans 《International Journal on Software Tools for Technology Transfer (STTT)》2000,2(4):382-393