3 Reasons to Conduct Regression Testing

by Nataliia Vasylyna | April 1, 2016 9:32 am

The purpose of software testing is not only to find a bug but also to help fixing it. Bug fixing often causes additional bugs. That is why every software testing company performs regression testing[1].

Regression testing is carried out after making changes to a software product and implies retesting of the product areas that have been changed. Similar to functional testing[2], regression testing can be automated or performed manually by executing a particular set of test cases. No matter how it is done, this type of testing is essential for delivering a software product of high quality.

What Are the Three Fundamental Reasons to Carry Out Regression Testing?

• When developers fix a bug, add a new functionality, or modify an existing one, they always change a program code. Even a little change may result in a bunch of new bugs. Regression testing is intended to detect them.
• In case of changing the operating environment, a software tester can reveal and localize undesirable side effects by means of regression testing.
• Properly performed regression testing is a key to successful integration testing[3].

A software tester should keep in mind that new bugs and side effects may appear after fixing bugs that were found during regression testing. However, a software product of high quality cannot be built without thorough and structured regression testing.

Related Posts:

• What Are the Advantages of Regression Testing?[4]
• Five Steps of Regression Testing[5]
• Why to Perform Regression and Smoke Testing?[6]

Source URL: https://blog.qatestlab.com/2016/04/01/conduct-regression-testing/

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