ISSN:
1433-299X
Keywords:
Keywords: Conformance; Design for test conditions; Non-determinism; Quasi-non-determinism; Stream X-machine; Testing
Source:
Springer Online Journal Archives 1860-2000
Topics:
Computer Science
Notes:
Abstract. 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.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/s001650070003
Permalink
