Can you tell me what is boundary value analysis and Equivalence partitioning, a

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Can you tell me what is boundary value analysis and
Equivalence partitioning, and error guessing with examples

Question Posted / lavanya

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Can you tell me what is boundary value analysis and Equivalence partitioning, and error guessing wi..

Answer / shyam

Those are the testing techniques used to write the test
cases
BVA:In BVA we can check the range of a particular text
MIN-1
MAX+1
MIN,MAX

ECP:we can check the valid and invalid data

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Can you tell me what is boundary value analysis and Equivalence partitioning, and error guessing wi..

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

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Can you tell me what is boundary value analysis and Equivalence partitioning, and error guessing wi..

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

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Can you tell me what is boundary value analysis and Equivalence partitioning, and error guessing wi..

Answer / athilakshmi.g

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

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Can you tell me what is boundary value analysis and Equivalence partitioning, and error guessing wi..

Answer / anil

boundary value analysis,Equivalence partitioning these are
the two techiniques to minimize the no of test cases.

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3 No

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