THE GATE TO THE REAL SOFTWARE TESTING EXPERIENCE AND KNOWLEDGE IN "TESTING A SOFTWARE" WORLD

Wednesday, November 16, 2011

Black Box Testing Technique : Error Guessing

Black Box Testing Technique


If I would like to do software testing, I start with thinking about how to select the test cases. If I have no idea about software's internal algorithm and cannot cover all combinations of input values and preconditions for a module of software because of resource constraint (Time or manpower), I will use Black Box Testing Technique to design the test cases.


Error Guessing


Error Guessing is a software testing technique that generates test cases which can find the error by using past experience of tester. The key concept is using the prior software testing experience to supplement other software testing techniques. 

The known error in any software is varied so using input from experienced tester for that software is a good idea. From my software testing experience, the typical errors are related to "divide by zero" and "various date and time format".

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