Answer:

Card test cases are a set of predefined scenarios used to test the validation and processing of credit card information, ensuring security and accuracy.

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What Are Card Test Cases?

• They simulate various credit card transactions.
• Help validate card number, expiration date, and CVV.
• Ensure transactions are secure and prevent fraud.

Common Examples of Card Test Cases

1. Valid Card Number: Testing a card with a valid 16-digit number.
2. Invalid Card Number: Checking for errors with incorrect digit sequences.
3. Expired Card: Entering a card with an outdated expiration date.
4. Incorrect CVV: Entering the wrong three-digit security code.

Why Are They Important?

Card test cases are crucial for:

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• Ensuring the reliability of card processing systems.
• Preventing unauthorized access and fraudulent activities.
• Maintaining customer trust and regulatory compliance.