What is Boundary Value Analysis?

How to use eValid to support regression testing.

What is Boundary Value Analysis?

Postby estherp » Thu Feb 11, 2010 1:48 am

Can i get details about Boundary Value Analysis with good examples
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Re: What is Boundary Value Analysis?

Postby eValid » Fri Feb 12, 2010 12:51 pm

estherp wrote:Can i get details about Boundary Value Analysis with good examples?

The idea of boundary value analysis is to adjust test data values so they are very close to the border where the behavior of the test object changes.

A simple example is an inequality like A < B. You want to have values for A and B that include not only A << B, A >> B, but also | A - B | a VERY small value. The reason for this is to make sure that the "test" of A < B is actually sensitive to the actual values for A and B.

It's called "boundary" testing because your interior tests are trying to test the boundary between the two outcomes of the A < B test.

-eValid Technology
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