Answered: What is the difference between using…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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What is the difference between using @Test(expected = TypeOfException) and using try/catch when testing if a method or constructor properly returns an exception?

A. They do the same thing.

B. @Test(expected = ...) is the proper way to unit test in java, and try/catch should only be used when unit testing in Python.

C. @Test(expected = ...) will give a passing test as soon as one exception of the proper type is thrown and then stop the test, but using try/catch will allow you to test many examples in the same test and will only stop after running all examples or reaching a fail() or an assert statement that fails.

D. We should never use try/catch when unit testing, otherwise we will catch the exception and then won't know if it is actually thrown.

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