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This article explores novel approaches to software testing by borrowing methodologies from various fields. It focuses on using Benford's Law as a heuristic for verifying calculations with real-world data and considers the implications for software test data generation. Questions posed include whether to create data weighted on Benford probabilities, use inverse probabilities, or simply rely on randomly generated test data. The insights aim to enhance the effectiveness of testing practices and inspire creativity in generating meaningful test ideas.
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Borrowing Test Techniques from Diverse Fields Noel Nyman, Microsoft Office Project team Finding Software Test Ideas in Other Boxes
In listings, tables of statistics, etc., the digit 1 tends to occur with probability, much greater than the expected 11.1% Benford’s Law
Heuristic to verify calculations based on real-world data • Should we… • Create data weighted on Benford probabilities? • Create data weighted on inverse Benford probabilities? • Ignore Benford and use randomly generated test data? Benford and Software Testing
