Testing Fundamentals - Functional Testing Techniques
You want to use error guessing to test a calculator app. Which combination of inputs is best to find errors?
You want to use error guessing to test a calculator app. Which combination of inputs is best to find errors?
hard🚀 Application Q15 of Q15
Step-by-Step Solution
Solution:
Step 1: Identify error-prone inputs for calculator
Calculators often fail with large numbers, zero, or division by zero.Step 2: Evaluate options for error guessing effectiveness
Very large numbers, zero, and dividing by zero targets these error-prone inputs, while others do not or are invalid inputs.Final Answer:
Very large numbers, zero, and dividing by zero -> Option AQuick Check:
Edge and invalid inputs = Best error guesses [OK]
Quick Trick: Test edge cases and invalid inputs for errors [OK]
Common Mistakes:
MISTAKES- Testing only normal inputs
- Ignoring division by zero errors
- Using completely invalid inputs without context
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