Cause reduction: delta debugging, even without bugs

Summary What is a test case for ? Sometimes, to expose a fault. Tests can also exercise code, use memory or time, or produce desired output. Given a desired effect, a test case can be seen as a cause , and its components divided into essential (required for effect) and accidental. Delta debugging is used for removing accidents from failing test cases, producing smaller test cases that are easier to understand. This paper extends delta debugging...