Software Testing: Principles and Practices

Chapter 4

Black Box Testing

In this chapter—

• What is black box testing

• Why black box testing

• When to do black box testing

• How to do black box testing

• Conclusion

4.1 WHAT IS BLACK BOX TESTING?

Black box testing involves looking at the specifications and does not require examining the code of a program. Black box testing is done from the customer's viewpoint. The test engineer engaged in black box testing only knows the set of inputs and expected outputs and is unaware of how those inputs are transformed into outputs by the software.

 

Black box testing is done without the knowledge of the internals of the system under test.

Black box tests are convenient to administer because they use the complete finished product and do not require any ...