Black-Box Testing in Software Testing

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black-box testing is the testing which is used by the test engineers, In this process test engineers need not to know about the source-code of the functionality/Appliction, testers will test the functionality as per the requirements by applying the following black-box testing techniques
1.Boundary value analysis  (BVA)

2.Equivalence class partitioning (ECP).

3.Decision table testing

4. Error guessing

White-Box Testing in Software Testing:

To do white-box testing test engineer need to have programming knowledge to check the source code of 

the application. Usually black-box testers will not involve in the white-box testing. Depends upon the organisation some organisation have separate white-box testing team, In small organisations senior developers will involve in the white-box testing, so it will vary from one organization to another organization.

Advantages of white-box Testing:

--> Finding syntax errors in the source-code

--> Finding un-used statements 

Techniques used in white box testing:

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