Can you tell me what is boundary value analysis and
Equivalence partitioning, and error guessing with examples
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Answer / viji
Boundary value analysis:
The values for the test cases are selected from the
boundaries and are given as input to the system.
selecting boundary values:
If we have a class with values from min to max
Test for input data at min-1, min, min+1, max-1, max and at
max+1.
example for bva: Y2K compliance tool kit:
The tool sets the system date to 31st Dec and to 1st Jan
and see for the proper roll over of the system.
Equivalence partition:
Splitting the inputs and outputs of the software under test
into a number of partitions.
Error guessing:
There is no formal procedure based on experience they will
test.
for example:
Incorrect assumption
Is This Answer Correct ? | 3 Yes | 1 No |
Answer / abbas
bva - ex:- input box should accept no.s 1 to 5
test scenario desc expected outcome
b.v=0 don't accept
b.v=1 accept
b.v=2 accept
b.v=3 accept
b.v=4 accept
b.v=5 accept
b.v=6 don't accept
in equivalence partition first u divide a set of test condn into a partition
ex:-input data from 1 to 10
test scenario desc value
enter 0 to 5 chars don't accept -------------------partition 1
enter 6 to 10 chars accept--------------------------partition 2
enter 11 t0 16 chars don't accept-------------------partition 3
Is This Answer Correct ? | 0 Yes | 0 No |
Boundary value analysis:
take the input value from the edges of the classes and
write the test case.
Eg:
1..........n;
input value is -1 0 1 and (n-1), n, (n+1)
Equivalent Partioning
Divide the input value into different class and pick the
value from the each class and write the test case:
Eg:
Age=n
input value is +n and -n
Is This Answer Correct ? | 2 Yes | 3 No |
Answer / anil
boundary value analysis,Equivalence partitioning these are
the two techiniques to minimize the no of test cases.
Is This Answer Correct ? | 1 Yes | 3 No |
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