Depending upon who is testing or what is the purpose of testing, testing can be classified into White Box or Black Box.
White Box Testing
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Black Box Testing
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Definition: White box testing is a software testing method in which
the tester is concerned with internal structure & design of the
application.
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Definition: Black Box testing is a software testing method in which
the tester is not concerned with the internal structure & design of the
application.
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Path testing & Branch testing
are some of the testing techniuqes of White Box testing
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Equivalence partitioning, Boundary
value analysis & Pairwise testing are some of the black box testing
techniques
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Typically done during unit testing
phase by developers
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Integration & user acceptance
testing by testers
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