Luthmann, Lars ; Mennicke, Stephan ; Lochau, Malte (2016)
Compositionality, Decompositionality and Refinement in Input/Output Conformance Testing - Technical Report.
doi: 10.48550/arXiv.1606.09035
Report, Bibliographie
Abstract
We propose an input/output conformance testing theory utilizing Modal Interface Automata with Input Refusals (IR-MIA) as novel behavioral formalism for both the specification and the implementation under test. A modal refinement relation on IR-MIA allows distinguishing between obligatory and allowed output behaviors, as well as between implicitly underspecified and explicitly forbidden input behaviors. The theory therefore supports positive and negative conformance testing with optimistic and pessimistic environmental assumptions. We further show that the resulting conformance relation on IR-MIA, called modal-irioco, enjoys many desirable properties concerning component-based behaviors. First, modal-irioco is preserved under modal refinement and constitutes a preorder under certain restrictions which can be ensured by a canonical input completion for IR-MIA. Second, under the same restrictions, modal-irioco is compositional with respect to parallel composition of IR-MIA with multi-cast and hiding. Finally, the quotient operator on IR-MIA, as the inverse to parallel composition, facilitates decompositionality in conformance testing to solve the unknown-component problem.
| Item Type: | Report |
|---|---|
| Erschienen: | 2016 |
| Creators: | Luthmann, Lars ; Mennicke, Stephan ; Lochau, Malte |
| Type of entry: | Bibliographie |
| Title: | Compositionality, Decompositionality and Refinement in Input/Output Conformance Testing - Technical Report |
| Language: | English |
| Date: | 29 June 2016 |
| Publisher: | arXiv |
| Journal or Publication Title: | CoRR |
| Series: | Logic in Computer Science |
| Edition: | 1.Version |
| DOI: | 10.48550/arXiv.1606.09035 |
| URL / URN: | http://arxiv.org/abs/1606.09035 |
| Abstract: | We propose an input/output conformance testing theory utilizing Modal Interface Automata with Input Refusals (IR-MIA) as novel behavioral formalism for both the specification and the implementation under test. A modal refinement relation on IR-MIA allows distinguishing between obligatory and allowed output behaviors, as well as between implicitly underspecified and explicitly forbidden input behaviors. The theory therefore supports positive and negative conformance testing with optimistic and pessimistic environmental assumptions. We further show that the resulting conformance relation on IR-MIA, called modal-irioco, enjoys many desirable properties concerning component-based behaviors. First, modal-irioco is preserved under modal refinement and constitutes a preorder under certain restrictions which can be ensured by a canonical input completion for IR-MIA. Second, under the same restrictions, modal-irioco is compositional with respect to parallel composition of IR-MIA with multi-cast and hiding. Finally, the quotient operator on IR-MIA, as the inverse to parallel composition, facilitates decompositionality in conformance testing to solve the unknown-component problem. |
| Divisions: | 18 Department of Electrical Engineering and Information Technology 18 Department of Electrical Engineering and Information Technology > Institute of Computer Engineering > Real-Time Systems 18 Department of Electrical Engineering and Information Technology > Institute of Computer Engineering |
| Date Deposited: | 26 Jan 2017 13:09 |
| Last Modified: | 15 Aug 2023 13:10 |
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