Software Testing - Explain the difference between Re-testing and Regression testing?

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Software Testing | Question 176 of 266

Explain the difference between Re-testing and Regression testing?

Total Answers and Comments: 8

Last Update: November 22, 2009 Asked by: antonybineesh

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Best Rated Answer

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Submitted by: Mahesh

Regresion Testing done after enhancement in Software and Re-testing is after Bug Fixing.

Above answer was rated as good by the following members:
seif2000, vk1978

February 09, 2007 00:07:11

Mahesh

RE: Explain the difference between Re-testing and Regr...

Regresion Testing done after enhancement in Software and Re-testing is after Bug Fixing.

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February 09, 2007 00:09:25

cindrela

Member Since: August 2006 Contribution: 37

RE: Explain the difference between Re-testing and Regr...

Regression Testing is done when the code has been modified and you do the testing to check the impact on the application.Retesting is testing the applicat ion as a whole

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February 11, 2007 11:13:45

nirmmal

Member Since: December 2005 Contribution: 33

RE: Explain the difference between Re-testing and Regr...

Retesting is testing the module once again to confirm whether the bugs are really fixed whereas Regression testing is done to see whether any modifications in a module results in any side effects.

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February 14, 2007 05:19:32

anto_pravin

RE: Explain the difference between Re-testing and Regr...

Regression testing is testing the application whether the corrected defect has any other impact on the application like testing the application fully once again

Retesting is nothing but checking for only the failed condition in the previous cycle.

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March 05, 2007 08:02:26

sprasadhkumar

RE: Explain the difference between Re-testing and Regr...

Hi

Retesting : It is testing only the fixed bug.

Regression : It is testing the whole module to check that any other part of the application is affected bcoz of that fixed bug.

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March 12, 2009 13:18:00

vk1978

Member Since: February 2009 Contribution: 174

RE: Explain the difference between Re-testing and Regression testing?

Regression Testing is a repetative testing which is done from second build onwards where you verify that the bugs are fixed or not changes in the application added new features and most importantly all these changes were not affecting other functionality

Re-test is also a repetative testing and is done in order to reproduce. for example if you find a defect you wanted to make sure that the befect is reproducable or not for the sake you re-test that functionality again and whenever a bug is fixed by the developer and new build has came then you want to make sure that the bug is really fixed so you will re-test that functionality more than once

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March 13, 2009 00:27:56

gowthambaalaji

Member Since: February 2009 Contribution: 5

RE: Explain the difference between Re-testing and Regression testing?

In regression test we will ensure that application is performing as desired.
Here we will not execute all the test cases. Take for e.g. the module has 100
test case only 20 test case will be executed in regression test.

In retest we will execute all the 100 test case.

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November 22, 2009 11:04:37

kurtz182

Member Since: November 2009 Contribution: 141

RE: Explain the difference between Re-testing and Regression testing?

Regression testing is performed during the testing phase on every iteration of new builds in order to ensure preselected functionalities still behave as expected.

Retesting is performed on test cases where defects were discovered fixed and sent back to the test team to verify whether the defects were truly fixed.

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