What r block box technique

Answer Posted / shilpa s

Testing techinique can be used to effectively desgin
efficient test cases.These techinique can be grouped into
blockbox and white box testing.
BlockBox testing techiniques:
when creating block box test cases , the input data used is
critical. Three successful techiniques or managing the
amount of input sata reuires include:

1.Equivalance partitioning.
2. Boundary Analysis.
3.Error guessing.

EQUIVALANCE PARTITIONING:
Euivalance partitioning is a techinique for testing
equivalance classes rather than undertaking exhaustive
testing of each value of the larger class. for example
a program which edit credit limits within a given range
(1,000 -1,500) would have three equivalance classes;
< 1,000 ( invalid)
Between 1,000 and 1,500 ( valid)
> 1,500 ( in valid)

BOUNDARY ANALYSIS:
A techinique that consist of developing test cases and data
that focus on the input and output boundaries of a given
function. In same credit limit example, boundary analysis
would test:

Low boundary +/- one(999 and 1,001)
on the boundary ( 1,000 and 1, 500)
Upper boundary +/- one(1,499 and 1,501)

ERROR GUESSING:
Test cases can be developed based upon the intuition and
experience of the tester . For example in an example where
one of the inputs is the date, a tester may try february
29, 2000

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Tell me a critical defect in which your Client,PM,PL appreciate on you

1486


What about manual testing opening in bangalore in September. Not getting a single interview call from last one month.

1580


Is compatabilitytestig and port testing are same

1478


Why testers wil prepare useracceptance testcases,system testcases and integration testcases,What is the differenece between all this test cases

1616


how can we give (ASSIGN) bug privitorirs and seviroty to the bug explain with exanple

1809






hi this is satish can some one help me out by sending the maxium notes on client sesrver ,web server and company architechture project hirearchy and company hirearchy i will happy to recive the answers as early as possible

1727


aplitue questions will be based on wich type ?

2108


Explain Operational Acceptance Testing with example ?

895


What are the properties of a good requirement?

1475


Enlist some bug status along with its description?

729


Negatives test cases of gmail login page With its severity , priority and expected results columns Through test case template-oodles technologies gurgoan

2185


What is Batch testing? Facets Benefit Configuration

2165


What are microsoft 6 rules?

780


What is the difference between system testing and integration testing?

644


Hello can anybody list out supported and unsupported browsers for Window OS,Android OS,MAC OS Ubuntu

1150