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Diff between Functional & Non Functional testing?

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Category: Software Testing @ OneStopTesting
Forum Name: Bug Report @ OneStopTesting
Forum Discription: After Creating the Test Plan, Writing the Test Cases and using them, Finally We need to generate those Bug Reports which Proves that Testers are Good enough & most importantly Indispensable.
URL: http://forum.onestoptesting.com/forum_posts.asp?TID=3520
Printed Date: 14Dec2024 at 8:30pm


Topic: Diff between Functional & Non Functional testing?
Posted By: Jitin
Subject: Diff between Functional & Non Functional testing?
Date Posted: 02Nov2007 at 9:22am
Please tell me the difference Between Functional and Non - Functional testing?
 
Thanks in Advance.


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Here comes the Tester !!!


Replies:
Posted By: payal.jain
Date Posted: 17Jun2008 at 1:07am
Functional Testing:
           

Testing developed application against business requirements.

Functional testing is done using the functional specifications provided by the client or by using the design specifications like use cases provided by the design team.

Functional testing covers

· Unit Testing
· Smoke testing / Sanity testing
· Integration Testing (Top Down,
Bottom up Testing)
· Interface & Usability Testing
· System Testing
· Regression Testing
· Pre User Acceptance Testing
(Alpha & Beta)
· User Acceptance Testing
· White Box & Black Box Testing
· Globalization & Localization
Testing


Non-Functional Testing:
        

Testing the application based on the clients and performance
requirement.

Non-Functioning testing is done based on the requirements and test scenarios defined by the client.

Non-Functional testing covers

· Load and Performance Testing
· Ergonomics Testing
· Stress & Volume Testing
· Compatibility & Migration Testing
· Data Conversion Testing
· Security / Penetration Testing
· Operational Readiness Testing
· Installation Testing
· Security Testing (Application
Security, Network Security,
 System Security)

Posted By: getzephyr
Date Posted: 17Jun2008 at 2:48am
Functional Testing - black-box type testing geared to functional requirements of an application; this type of testing should be done by testers. This doesn't mean that the programmers shouldn't check that their code works before releasing it (which of course applies to any stage of testing.)

Non Functional testing - Non-functional testing is the testing of a software application for its non-functional requirements. It is designed to evaluate the readiness of your system according to several criteria not covered by functional testing.

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Posted By: kalai
Date Posted: 25Jun2009 at 9:02am

 Functional testing means we do functional testing to validate the functionality of the application against functional requirements document. We test for functionality of the application only.

 Non-functional testing means we do not test for functionality of the application System testing, load testing, stress testing, performance testing etc., come under non functional testing

Posted By: Mithi25
Date Posted: 02Jul2009 at 12:33am

   Tongue
    Functional testing is mainly based on the functionality of the the product, wherein you test to know if all the functionalists are working fine and have been met(i.e. nothing but what exactly the client requires, so based on the requirement you develop the functionality).
     Non functional testing is is nothing but: Performance testing, Load testing,   Stress testing, and so on. Once the functionality has been completed we check on these.

   I hope I've helped you with this, in case you need more info , pleased to provide you with.
                                                    
                                                                                                      


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Posted By: cprasenjit26
Date Posted: 21Jul2009 at 1:34pm

Functional test case :this is completly based on the functionality nothing but client actual need total application need (based on the business requirements we have to develop the functionality.)

and non functional testing is nothing but:-

performance testing load testing security testing stress tetsing is called non functionality (after completing the functionality ...that application functionality is working properly or not we have to check...we should check we have to provide security for that application so we need to do security testinglike that so many testings.....comes under non functionality...if anyone didn't get this i will give another msgs

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