Matthias Hamburg
German Testing Board e.V. (GTB) (DE)


Dr. Matthias Hamburg was Managing Consultant at Sogeti Deutschland GmbH until his retirement in 2019. His focus is on test analysis, test management and test process improvement. He continues his voluntary engagement in the GTB and ISTQB®, being the product owner of the ISTQB® Advanced Level Test Analyst Syllabus and the ISTQB® Glossary of Testing Terms.
Metamorphic Testing


Metamorphic testing is a little known technique that is especially well-suited if no test oracle is available. The author introduces the technique with an own example, classifies it in the test methodology, provides a brief overview of its usage, and illustrestes its relevance with examples from information retreival and artificial intelligence. Testers shold be able to apply it when appropriate.