Definition:
The basic functionality of Testing is carried out to find the defects in the code & enhance the quality of Software Application. Software Testing is process of Verification and Validation to check whether the Software Application is properly functioning.
Testing of application can be done in two different ways, Positive testing and Negative testing.
Positive Testing is a testing process where the tester will check a set of values and validate, if the application behaves as expected with its provided inputs. Such testing is to be carried out keeping positive point of view and only execute the positive scenario.
The main intention of the positive testing is to check whether the Software Application is showing any errors when it is not supposed to and not showing error when it is supposed to. The Positive Testing always tries to prove that a given product and project meets the requirements and specifications.
Further Reading:
http://www.softwaretestingclass.com/positive-and-negative-testing-in-software-testing