What are the levels of coverage of black box testing ?

Questions by sarnam   answers by sarnam

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  • Sep 6th, 2009

Functional testing
Integration testing (top down OR bottom up approach) - either depth first or breadth first approach
Input field catalogues
State based techniques
Requirement based techniques
Document based testing
Statement/branch/conditon/path coverage
Platform coverage
Combination coverage.

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  • Apr 20th, 2010

Once the deliverable is entered to test team following is the approach to be followed in black box testing:

1) Component Test  - Functionality provided is implemented correctly and completly.
2) Integration Test - Check the collaborative and inter operability.
3) System Test - Check whether the given application as a whole meets the requirements on a indipendent environment.
4) Acceptance Test - Check whether the delivered appliation meets the requirements from the customer point of view. It includes field testing.
5)  Regression/Maintanance Testing - If any feature is introduced or in case of bug fixes the application is retested,


  • Oct 20th, 2011

You have correctly summed it all in your answer. Many people confuse "testing level" with "testing types."

Adding to your answer...
Each application structure may comprise of (specified in ascending order) -
1. Component/feature
2. Integrations
3. Systems

QA will choose from the very many testing types when testing at each level.

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  • Oct 20th, 2011

Did you realize your answer talks about testing techniques and not testing levels for black-box. You answer may be correct if the question were "list the testing techniques."
Please understand the question before you proceed to answer it. If you need specifics, please reply to the initiator asking for more information. This is a public forum and someone may be reading the content and may ultimately end up giving wrong answers during interview. Be aware of this!

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