INTERVIEW QUESTIONS TESTING SOFTWARE TESTING DETAILS

Question: What is mutation Testing ? please give an example of mutation testing.

Answer: Mutation testing is required to ensure that the software does not fail. mutation testing is also a good debugging mechanism. After the software works properly, mutation testing can be done to simulate wrong inputs . sothat the software does not fail.

In mutation testing , program is modified to optain mutants of the program. different mutatants are test with the same test case, for confidence gain by the programer.

the mutation operation can be constant replacement , veribale replacements, relational operator replacements.

Ex:

input y;

x=sin(y);

print x;

here we can check the program by taking th e mutant 'y' in place of sin(y). for the reaon to check the stability of the program.

Mutation testing is required to ensure that the software does not fail. mutation testing is also a good debugging mechanism. After the software works properly, mutation testing can be done to simulate wrong inputs . sothat the software does not fail.

In mutation testing , program is modified to optain mutants of the program. different mutatants are test with the same test case, for confidence gain by the programer.

the mutation operation can be constant replacement , veribale replacements, relational operator replacements.

Ex:

input y;

x=sin(y);

print x;

here we can check the program by taking th e mutant 'y' in place of sin(y). for the reaon to check the stability of the program.
Source: CoolInterview.com

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