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Green Property Tests Can Still Be a Regression

This story is from 2026-09-19. It is preserved in the archive; the latest stories are on the live feed.

A green property test does not prove that an agent patch preserved the contract. It only proves that the current generator produced no counterexample. Shrink the generator, add a broad assume() , or rewrite the fixture the property reads, and the suite still passes. Treat that as a merge defect. Th…

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  1. 2026-09-19 03:08 · DEV Community — AI
    Green Property Tests Can Still Be a Regression

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