Testing Fundamentals - Functional Testing Techniques
You are testing a payment gateway and want to apply error guessing. Which of these inputs is the best choice to find hidden errors?
You are testing a payment gateway and want to apply error guessing. Which of these inputs is the best choice to find hidden errors?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Identify error guessing inputs for payment validation
Inputs that look valid but fail internal checks (like checksum) often reveal hidden errors.Step 2: Compare options for best error guess
Entering a card number with correct format but invalid checksum uses a valid format but invalid checksum, likely to expose validation bugs. Others are obvious errors or valid inputs.Final Answer:
Entering a card number with correct format but invalid checksum -> Option DQuick Check:
Error guessing finds subtle validation errors [OK]
Quick Trick: Use inputs that pass format but fail internal checks [OK]
Common Mistakes:
- Choosing obviously expired or blank inputs only
- Ignoring subtle validation errors
- Testing only valid inputs
Master "Functional Testing Techniques" in Testing Fundamentals
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Testing Fundamentals Quizzes