Promo Codes Lab
Coupon Validation Testing
Test promo code validation with real e-commerce scenarios. Practice edge cases, security testing, and complex discount rules.
What you will learn
- Distinguish 7 promo types — percentage, fixed, free-shipping, BOGO, bundle, tiered, stackable — and their application rules
- Reason about stacking rules: which combinations compose (percentage + free shipping) and which conflict
- Catch boundary bugs: minimum-order just under threshold, expiry at midnight, per-user usage limits bypassed via email aliasing
Cart Context
Configure the cart for validation testing
Subtotal:$119.97
Validate Promo Code
Enter a promo code to test validation
Try: