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Yiheng Xiong

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Book Open access Jul 2026

Kea2: Practical Property-based Testing for Mobile Apps

Validating functional correctness of mobile apps is challenging for manual testing and automated UI testing (limited to simple crashing bugs). Property-based testing is promising to tackle this challenge given functional properties. To this end, we introduce Kea2, a practical property-based testing tool for apps: (1) specifying properties in Python with enough flexibility and expressiveness; and (2) reusing existing GUI fuzzing techniques to support effective property checking. Indeed, Kea2 can find functional (logic) bugs in real-world apps. Kea2 has been open-sourced at https://github.com/ecnusse/Kea2 (a demo video: https://youtu.be/HS4rTCcaSPE), and received positive feedback for its usability and features.

Xixian Liang, Cheng Peng, Bo Ma et al. · 0 citations