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Which tools is involved in the automation of regression test?

(a) Data tester

(b) Boundary tester

(c) Capture/Playback

(d) Output comparator.

The question was posed to me by my school principal while I was bunking the class.

I want to ask this question from Test-driven Development topic in division Test Coverage and Development of JUnit

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Correct choice is (d) Output comparator.

To explain I would say: The Output comparator is a useful feature for seeing exactly what the error is in a test failure.

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