What is mutation testing?

Answer Posted / venurao

Mutation testing is used to test the quality of your test
suite. This is done by mutating certain statements in your
source code and checking if your test code is able to find
the errors. However, mutation testing is very expensive to
run, especially on very large applications. There is a
mutation testing tool, Jester, which can be used to run
mutation tests on Java code. Jester looks at specific areas
of your source code, for example: forcing a path through an
if statement, changing constant values, and changing
Boolean values

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