Answer / rohinid

You can check each and every type of card will have a specific number of digits as Card Number.

For example say, Discover should have 17 digits only. Also each card will have an expiry date. With these validations in mind, we will write test cases like :---
1. Test the boundary conditions for credit card by giving more than 17 digits and less than 17 digits.
2. Invalid credit card number.
3. Invalid Expiry date etc

Check the credit card number with alpha numeric also. It should not accept alpha numeric characters & tst with 4500 5500 0000 0001 number. This will work only in staging env's

Test credit card(CC) numbers are avail for CC testing purpose,

for ex : 4111111111111111 - for Visa card,

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