What Are the Advantages of Regression Testing?

by Nataliia Vasylyna | February 2, 2017 8:37 am

Updated in January 2021

Regression testing[1] is performed when there are any modifications of the code or changes of some features. This type of software testing helps to verify whether the system operates properly after undergoing some code modifications. It is also used to make sure that the system did not regress, and the old bugs that have already been fixed did not reappear after the new changes.

The main aim of regression testing is to discover the errors that may be introduced accidentally after:

Also, regression testing helps to make sure that the bugs detected during performance testing[2] are fixed, and the procedure of their removal does not influence the proper work of the code in any way.

Advantages of regression testing

software-testing-banner[3]

To effectively perform regression testing, the QA experts use special techniques. 

Types of regression testing[4] techniques:

Corrective Regression Testing:

Progressive Regression Testing:

Retest All Strategy:

Selective Strategy:

Conclusion

Regression testing is an important part of the testing process and strategy, which helps to prevent bugs at the early stages and ensures that everything is working properly after any modifications. We hope that this article helped you to understand or clarify the meaning of regression testing, its advantages, and types of testing strategies. If you have any questions about regression testing, feel free to contact our QA experts any time.

 

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Endnotes:
  1. Regression testing: https://qatestlab.com/services/manual-testing/regression-testing/
  2. performance testing: https://qatestlab.com/services/test-automation/performance-testing/
  3. [Image]: https://qatestlab.com/services/?utm_source=Blog&utm_medium=Post&utm_campaign=services
  4. Types of regression testing: https://blog.qatestlab.com/2017/02/22/regression-testing-types/
  5. Updates Without Mistakes: Regression Testing in Game Development: https://blog.qatestlab.com/2022/08/30/game_regression_testing/
  6. 6 Effective Ways to Perform Regression Testing: https://blog.qatestlab.com/2017/04/14/regression-testing-technique/
  7. 3 Reasons to Conduct Regression Testing: https://blog.qatestlab.com/2016/04/01/conduct-regression-testing/

Source URL: https://blog.qatestlab.com/2017/02/02/regression-testing-cons/