QA Fundamentals · Junior · Question 42 of 75

A field accepts 18 to 99. Which values does boundary value analysis focus on?

11, 50, 1000
20, 18, 50
317, 18, 99, 100

Show the answer

Correct answer: 17, 18, 99, 100

Explanation

Bugs often hide at edges, for example > written instead of >=. Two-value boundary analysis tests each boundary and its nearest invalid neighbour.

Further reading

Test yourself

Take the QA Fundamentals · Junior quiz: questions and options are shuffled, and you get a review of your mistakes at the end.