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What is Mutation Testing? Is it white box or black box
testing.
This is what I think about mutation testing..It is the
testing done after the code has been modified in an
application( after geting defect complain from clients)with
the same test cases and same old test data...

Please correct me If I am wrong...............

Question Posted / rohan

Answer Posted / rohan

Mutation testing (or Mutation analysis or Program mutation) is a method of software testing, which involves modifying programs' source code or byte code in small ways.[1] In short, any tests which pass after code has been mutated are considered defective. These so-called mutations, are based on well-defined mutation operators that either mimic typical programming errors (such as using the wrong operator or variable name) or force the creation of valuable tests (such as driving each expression to zero). The purpose is to help the tester develop effective tests or locate weaknesses in the test data used for the program or in sections of the code that are seldom or never accessed during execution.

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