Answer / vishal

Consider this example

Equivalence Partitioning

A pwd field should accept 8 to 15 characters. Then in case
of Equivalence partitioning the input will be divided into
number of classes

The testcases should be

- Lessthan 8 (Should Fail)
- In between 8 and 15 (Inclusive of 8 and 15) (Should
Pass)
- Greater than 15 (Should Fail)

II) Incase of B.V.A

If its m to n then test cases will be m-1, m, m+1, n-1,n,n+1

Here it will be 7,8,9, 14,15,16

6 TCs in case of BVA & 3 TCs in case of Equivalence
partitioning.

Equivalence class testing is a technique used to reduce the
number of test cases to a manageable

hope diff is clear

Answer / mohan shyam

Equivalence partioning:-
take a example of login id field. This field can accept
minimum 6 characters and maximum 15 characters. So in this
technique we choose some random values like:-
a). Few values less then 6(1,3,4,5)
b). Few values between the criteria(7,9,11,13) &
c). Few values more then 15(17,21,33,45)
After making a subset of all these values,we select all the
values one by one from the subset and enter in Login ID
field. The value which reside in the criteria is accepted,
rest are rejected.

Boundry value Analysis:-
We all know that Boundries are most sesitive areas and most
error prone areas. So, all those values which are at
boundry are tested in this technique. This is done on the
basis of (-1,+1).
The login ID field only accept minimum 6 characters and
maximum 15 characters...so on the basis of (-1,+1),the
values to be tested will be 5,6,7 for minimum and 14,15,16
for maximum. when we implement these values one by one: 5
and 16 will be rejected(because these values are not
fulfilling the criteria) and 6,7,14,15 will be accepted
(these values are fulfilling the criteria)

Answer / kirankumar.m

1)in equivalence class/equivalence portion we are dividing values as valid and invalid but not in boundary value analysis
2)in equivalence class/equivalence portion we have to check upper value and middle value and lower value. but in boundary value analysis we have to check upper value and lower values.
3)in boundary value analysis we can check (min-1),(max+1) but we don't have chance to check values in equivalence class/portions.

Answer / snehagirish

Take an example of Textfield for Age.
Equivalence partioning:-
It is divided into two fields:
Valid:Only Numerics
InValid:Characters and special characters.

Boundry value Analysis:-
It should accept min of 1 and max of 3
so try by entering 3+,3-,3,between 1 and 3,-1,0

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