Black-Box Testing
Functional Testing
Real time Analogous Example
• Buying Bulb , Sales man test and show the light
• Buying CAR/ Bike as a Consumer / Mechanic
• Patient Treatment for a Disease
• Performance of Student , verified by Parent
#1) One input data class with all valid inputs
#2) Input data class with all values below the lower limit
#3) Input data with any value greater than 1000 to represent the third invalid input class.
a.Range of values
b.Number of Values
c.Ordered set
https://www.york.ac.uk/depts/maths/tables/orthogonal.htm
1.Orthogonal approach guarantees the pairwise coverage of all variables.
https://www.softwaretestinghelp.com/istqb-exam-questions-equivalence-partitioning-boundary-value-
analysis/