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Gray Box Testing:-
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Grey box testing is a software testing technique that uses a
combination of black box testing and white box testing. Gray box testing is not
black box testing, because the tester does know some of the internal workings of
the software under test. In grey box testing, the tester applies a limited
number of test cases to the internal workings of the software under test. In the
remaining part of the grey box testing, one takes a black box approach in
applying inputs to the software under test and observing the outputs.
A test involving inputs and outputs, but test design is educated by information
about the code or the program operation of a kind that would normally be out of
scope of view of the tester
Test designed based on the knowledge of algorithm, internal states,
architectures, or other high -level descriptions of the program behavior.
Examines the activity of back-end components during test case execution.
Two types of problems that can be encountered during gray-box testing are:
1) A component encounters a failure of some kind, causing the operation to be
aborted. The user interface will typically indicate that an error has occurred.
2) The test executes in full, but the content of the results is incorrect.
Somewhere in the system, a component processed data incorrectly, causing the
error in the results.
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