Pair Wise Test Case Generation

Pair Wise Test Case generation is a technique used to judiciously reduce number of test cases on empirical basis.

General Scenario:
We will be given test case document sheet, which ofcourse contains test cases, and we sincerely execute them all and take pride in either completion or finding bugs.
Have you ever thought, whether test cases we were given are sufficient enough to unearth maximum number of issues ?
Didn't you ever get a questions like...
1>On what basis does these guys decide total number of test cases ?
2>Is that based purely on PM/TL/Consultants experience, or complexity of application ?
3>Do these guys pick them randomly ?
4>You may say, in our organization it goes this way that way
5>But, is there any mathematical basis on which number of test case be decided

Here come Orthogonal Arrays into picture, (now its time to brush your mathematical concepts to understand what these Orthogonal arrays are, Hint: Google it)

There is some thing called Orthogonal Array technique, which is used to accomplish above said task, i.e. reduce number of testcases on Emperical basis, which ensure complete test coverage and maximum possibility of unearthing issues with minimum number of testcases.

Ok, thats fine but how does i work it out for me.
Don't bother, we being a black box tester need not write orthgonal arrays and all that stuff

Solution:
Of course, there is, which is called Pairwise Testcase generation
I have written a detailed article on how to leverage Pairwise Testcase generation to increase test productivity.
Please click here.

Virtualkey
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