Answer / pallavi

let me u explain with an example:
think a login page two text boxes for userid and passwd
and there are some conditions given in SRS which should be
satisfied like for suppose
username: min length=4
max length=7
alphanumeric
for this if u where to write BVA and ECP
then it is in this manner
BVA
min+1 valid
min-1 invalid
max+1 invalid
max-1 valid

ECP
valid invalid
0-9 special characters
a-z
A-Z
so simple in
BVA:we are testing the boundaries
ECP: we are dividing input values to be given into valid
and invalid values
hope u can try it for passwd

Answer / akram

Boundary value analysis(BAV)and Equvilence partition both
are techniques in black box testing
BAV:in this technique we split the domin in to input
clases of data along its boundaries and generate test cases
for boundary values
lowervalue + 1 , Upper +1 ,Lower -1 ,Upper -1,Lower,Upper

Equivalence partition:in this technique we take the domain
value and split the range in to equivalent classes and
generate the testcases for equivalent clases

Answer / sr

HI,
Equivanence partition:we check any one value in between the
range.
For EX: if a range is 10 to 50 (10-50).ten we have to check
any one value in between the range. for this we take 40.it
means it it a valid test case. for these there are three
testcases will be given.
BVA:
we check the boundry values. in same example 10 to 50 means
we have to check b giving 10 and 50 .
here ther are four testcase will be given.

Answer / rani

BVA boundary value analysis here we check for minimum
characters and maximum characters.
example:An input field should accept three digit
number,the 1st digit should start with 1

ECP:verify for valid and invalid combination of data and
numbers.

what are the real purposes of test cases

2 Answers  

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