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What is gray/grey box testing?
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Q: What is gray/grey box testing?
A:
Gray/grey box testing is a software testing technique that uses a combination of black box testing and white box testing.
Gray/grey box testing is not black box testing, because the tester does know some of the internal workings of the software under test.
In gray/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 gray/grey box testing, one takes a black box approach in applying inputs to the software under test and observing the outputs.
Gray/grey box testing is a powerful idea. The concept is simple; if one knows something about how the product works on the inside,
one can test it better, even from the outside.
Gray/grey box testing is not to be confused with white box testing;
i.e. a testing approach that attempts to cover the internals of the product in detail.
Gray/grey box testing is a test strategy based partly on internals. The testing approach is known as gray/grey box testing,
when one does have some knowledge, but not the full knowledge of the internals of the product one is testing.
In gray/grey box testing, just as in black box testing, you test from the outside of a product, just as you do with black box,
but you make better-informed testing choices because you're better informed;
because you know how the underlying software components operate and interact.
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