XMLMate

Generating system inputs satisfying complex constraints is still a challenge for modern test generators. We present XMLMate, a search-based test generator specially aimed at XML-based systems. XMLMate leverages program structure, existing XML Schemas, and XML inputs to generate, mutate, recombine, and evolve valid XML inputs. Over a set of seven XML-based systems, XMLMate detected 31 new unique failures in production code, all triggered by system inputs and thus true alarms.

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