Black Box Testing
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White Box Testing
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1
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In this testing knowledge of
programming is not necessarily essential.
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In this form of testing knowledge of
programming is must means it is essential.
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2
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Normally independent software testers
are responsible for doing Black Box Testing.
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Normally software developers are
responsible for doing White Box Testing.
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3
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In this form of testing Knowledge of
implementation is not required.
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In this form of testing Implementation
knowledge is required.
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4
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In Black Box Testing, testers may or may
not be technically sound.
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Normally software developers are involved in this testing, but if it is performed by software testers, then testers should be technically sound.
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5
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In this sort of testing testers
mainly focuses on the functionality of the system.
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In this sort of testing developers
mainly focuses on the structure means program/code of the system.
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6
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This testing is done by testers.
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This testing is mostly done by
developers.
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7
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This type of testing always focuses
on what is performing/ carried out.
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This type of testing always focuses
on how it is performing/ carried out.
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8
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In Black Box Testing no knowledge
regarding internal logic of code is needed means no need of programming is
necessary.
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In White Box Testing knowledge
regarding internal logic of code is needed means need of programming is
mandatory.
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9
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Other names of this testing include
means synonyms of black box testing
are testing regarding functionality means Functional testing, Behavioral
testing, and Opaque-box/ Closed-box testing that is the reason why in this
testing no knowledge of programming is needed.
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Other names of this testing include
means synonyms of white box testing
are testing regarding code means Structural testing, Glass-box/ Clear-box
testing, Open-box testing/ Transparent-box testing, Logic-driven testing and
Path-oriented testing that is the reason why in this testing knowledge of
programming is needed.
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10
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Black box testing means functional
test or external test.
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White box testing means structural
test or interior test.
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Verification and Validation example is also given just below to this table. Verification Validation 1. Verification is a static practice of verifying documents, design, code and program. 1. Validation is a dynamic mechanism of validating and testing the actual product. 2. It does not involve executing the code. 2. It always involves executing the code. 3. It is human based checking of documents and files. 3. It is computer based execution of program. 4. Verification uses methods like inspections, reviews, walkthroughs, and Desk-checking etc. 4. Validation uses methods like black box (functional) testing, gray box testing, and white box (structural) testing etc. 5. Verification is to check whether the softwar...
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