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CLASSIFIEDAmazon
Edge Case Hunt · Medium · +25 XP · ~3 min
DOSSIER · AMAZON · Case #002
Feature: 1-click checkout
Deploy window: 12 minutes

One-click checkout — find every break

Cover every test case worth running before the patch ships. Wrong picks cost you XP.

Feature spec

1-click checkout: POST /api/order with stored default address + stored default card. No cart screen. Inventory is reserved at click, charged 30s later. Refundable if user cancels within that window.

Pick every test case worth writing

Selected 0 of 12. Picking wrong ones costs you.

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