What is Black Box Testing (BBT) ?

Black Box Testing ( BBT ) : Black box testing is the software testing technique which is used to test the software without knowing the internal structure of the software. All the testing is done as customer's point of view and tester is only aware of what is software suppose to do. The purpose of black box testing is to check that the software is working according to the requirements or not.

Types Of Black Box Testing :

1 . Functional
2. Non Functional

1. Functional : Functional testing contains some different different testings like..

A. Component Functional.
B. Integration Testing.
C. System Testing.
D. Acceptance Testing

2. Non Functional : Non functional testing contains following testings..

A. Adhoc.
B. Usability.
C. Compatibility.
D. Performance.
E. Security.