Implement property-based testing
Add property-based tests
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Implement property-based tests for the following function using [fast-check/Hypothesis/QuickCheck]: [paste function]. Define meaningful properties that must hold for all valid inputs, generate appropriate arbitraries, and add shrinking for better failure messages.
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Pour aller plus loin : avant d'écrire le test, listez les invariants logiques de votre fonction (ex : commutativité, idempotence, conservation d'une contrainte). Cela évite les propriétés triviales et maximise la couverture.
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