Thursday, 9 July 2015

Gray box testing

Gray box testing sometimes called as Grey box testing. It is a combination of black box and white box testing features. In Gray box testing technique testing is carried out with a limited knowledge of the internal workings of an application. Testers have access to design documents and the database with this knowledge; testers can prepare better test data and test scenarios while preparing a test plan.
Below image illustrates the key differences between Black box, White box and Gray box testing techniques.
Greay box testing
    Black box testing                    White box testing             Grey box Testing
  • Testing is done from users point of view
  • No need to depend up on source code
  • Test coverage is limited
  • Limited access to source code

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