Integration testing and metamorphic testing

The first paper, ‘ Towards using coupling measures to guide black-box integration testing in component-based systems ’ concerns integration testing in component-based systems. The authors investigate the correlation between component and interface coupling measures found in literature and the number of observed failures at two architectural levels: the component level and the software interface level. The finding serves as a first step towards an approach for systematic selection of test cases during integration testing of a distributed component-based software system with black-box components. For example, the number of coupled elements may be an indicator for failure-proneness and can be used to guide test case prioritisation during system integration testing; data-flow-based coupling measurements may not capture the nature of an automotive software system and thus are inapplicable; having a grey box model may improve system integration testing. Overall, prioritising testing of highly coupled components/interfaces can be a valid approach for systematic integration testing. ‘ High-coverage metamorphic testing of concurrency C compilers an approach and automated toolbox randomised testing of C compilers, checking whether C compilers concurrency in accordance the expected C11 semantics. ’ experimental results some interesting code relating concurrency, detects fence