A coding assistant drafted a function that slugifies arbitrary titles into URL-safe strings, and all the tests it wrote for itself pass. What properties and adversarial inputs would you test before trusting it in production?

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Stay specific. One example, told well, beats three told fast. Make your decisions visible — what you chose between. End on what changed, for whom.

A coding assistant drafted a function that slugifies arbitrary titles into URL-safe strings, and all the tests it wrote for itself pass. What properties and adversarial inputs would you test before trusting it in production?

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