The differences between Black Box Testing and White Box Testing are listed below.
| Criteria | Black Box Testing | White Box Testing |
|---|---|---|
| Definition | Black Box Testing is a software testing method in which the internal structure/ design/ implementation of the item being tested is NOT known to the tester. | White Box Testing is a software testing method in which the internal structure/ design/ implementation of the item being tested is known to the tester. |
| Levels Applicable To | Mainly applicable to higher levels of testing: Acceptance Testing & System Testing | Mainly applicable to lower levels of testing: Unit Testing & Integration Testing |
| Responsibility | Generally, independent Software Testers | Generally, Software Developers |
| Programming Knowledge | Not Required | Required |
| Implementation Knowledge | Not Required | Required |
| Basis for Test Cases | Requirement Specifications | Detail Design |
For a combination of the two testing methods, see Gray Box Testing.
Last Updated on September 7, 2020 by STF