wat is mutation testing

Answer Posted / pune tester

That's right, Srikar!!
Adding to it..

With mutation testing, the system/program under test is
changed to create a faulty version called a mutant. You
then run the mutant program through a suite of test cases,
which should produce new test case failures. If no new
failures appear, the test suite most likely does not
exercise the code path containing the mutated code, which
means the program isn't fully tested. You can then create
new test cases that do exercise the mutant code.

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