Sangam: A Confluence of Knowledge Streams

Testing conformance to a quasi-non-deterministic stream X-machine

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dc.creator Hierons, RM
dc.creator Harman, M
dc.date 2006-11-06T12:04:30Z
dc.date 2006-11-06T12:04:30Z
dc.date 2000
dc.date.accessioned 2022-05-25T13:07:00Z
dc.date.available 2022-05-25T13:07:00Z
dc.identifier Formal Aspects of Computing, 12(6): 423-442
dc.identifier http://www.springerlink.com/content/w5dlnh02khp4l5jt/
dc.identifier http://bura.brunel.ac.uk/handle/2438/350
dc.identifier http://dx.doi.org/10.1007/s001650070003
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/163682
dc.description Stream X-machines have been used in order to specify a range of systems. One of the strengths of this approach is that, under certain well-defined conditions, it is possible to produce a finite test that is guaranteed to determine the correctness of the implementation under test (IUT). Initially only deterministic stream X-machines were considered in the literature. This is largely because the standard test algorithm relies on the stream X-machine being deterministic. More recently the problem of testing to determine whether the IUT is equivalent to a non-deterministic stream X-machine specification has been tackled. Since non-determinism can be important for specifications, this is an extremely useful extension. In many cases, however, we wish to test for a weaker notion of correctness called conformance. This paper considers a particular form of non-determinism, within stream X-machines, that will be called quasi-non-determinism. It then investigates the generation of tests that are guaranteed to determine whether the IUT conforms to a quasi-non-deterministic stream X-machine specification. The test generation algorithm given is a generalisation of that used for testing from a deterministic stream X-machine.
dc.format 620733 bytes
dc.format application/pdf
dc.language en
dc.publisher Springer London
dc.subject Formal language
dc.subject Automaton
dc.subject Finite state machine
dc.subject Vending machine
dc.subject Design
dc.subject Test
dc.subject Stream
dc.subject Machine
dc.subject System
dc.subject Implementation
dc.subject Algorithm
dc.subject Specification
dc.subject Non determinism
dc.subject Generation
dc.subject X machine
dc.subject Conformance test
dc.subject Non deterministic stream X machine
dc.subject Test generation
dc.title Testing conformance to a quasi-non-deterministic stream X-machine
dc.type Research Paper
dc.coverage 29


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