Testing Fundamentals - Functional Testing Techniques
Consider a function that accepts an integer input from 50 to 60 inclusive. Which of the following test inputs will cover the boundary values correctly?
Consider a function that accepts an integer input from 50 to 60 inclusive. Which of the following test inputs will cover the boundary values correctly?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Identify boundaries and neighbors for 50 to 60
Boundaries: 50 and 60; neighbors: 49 (below), 51 (above), 59 (below), 61 (above).Step 2: Verify which option includes all boundaries and neighbors
49, 50, 51, 59, 60, 61 includes 49, 50, 51, 59, 60, 61 correctly covering boundaries and neighbors.Final Answer:
49, 50, 51, 59, 60, 61 -> Option DQuick Check:
Boundary values plus neighbors = 49, 50, 51, 59, 60, 61 [OK]
Quick Trick: Always test boundary and adjacent values for full coverage [OK]
Common Mistakes:
- Testing only boundary values without neighbors
- Ignoring values just outside the range
- Selecting random middle values only
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