what is BlackBox testing ?

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Pushpendra Singh · Answer

Black Box Testing: Refers to the technique of testing a system with no knowledge of the internals of the system. Black Box testers do not have access to the source code and are oblivious of the system architecture. A Black Box tester typically interacts with a system through a user interface by providing inputs and examining outputs without knowing where and how the inputs were operated upon. In Black Box testing, target software is exercised over a range of inputs and the outputs are observed for correctness.
BlackBox testing is used as functional software testing.

Amit Singh · Answer

Black box testing takes an external perspective of the test object to derive test cases. These tests can be functional or non-functional, though usually functional. The test designer selects valid and invalid input and determines the correct output. There is no knowledge of the test object's internal structure.
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This method of test design is applicable to all levels of Software testing: unit, integration, functional testing, system and acceptance.

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what is BlackBox testing ?

Rajesh Goswami

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