Black box testing

What is difference between equal partioning and boundary analysis?

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shravan

  • Aug 25th, 2012
 

Equivalence partitioning is a technique that divides the i/p domain of a program into classes of data from which test cases can be delivered.
- For each piece of the specification, generate 1 or more eqvilence classes.
- Label the classes as "valid" and "invalid"
- Generate testcases that cover as many possible valid and invalid wquilance classes

Boundary value Analysis : a technique in which the testcases that explore the boundary conditions have a higher probability of detecting error.
- verify the faults at near boundaries
- Faults tend to arround near boundaries
- Good place to look for faults
- Test values on bothsides of boundaries

Formula:
Valid boundaries: minimum, maximum
Invalid boundaries: min-1, max+1

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