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REGRESSION TESTING

REGRESSION TESTING

Regression testing involves verifying that recent changes or newly introduced features do not adversely affect previously tested and functioning parts of the software.

KEY ASPECTS OF REGRESSION TESTING:

  • Avoiding recurrence of bugs:

    Regression testing helps ensure that previously identified and corrected bugs do not reappear after new changes have been implemented, thus maintaining software stability and quality.

  • Preventing unintended consequences:

    Any code changes can potentially impact other parts of the system. Regression tests help identify such unintended effects, ensuring new features do not disrupt existing functionalities.

  • Identifying defect-prone areas:

    During regression testing, it's possible to pinpoint areas within the system that are most susceptible to new defects. This allows the team to focus attention on these areas and plan additional testing or preventive measures.

Regression testing is an ongoing and frequently automated process. Automation allows for quick and efficient execution of tests following each code modification, which is especially important in large-scale projects. As a result, the development team can maintain software stability and quality while reducing testing time. Regression tests form an integral part of the software development and maintenance process, contributing to product reliability and user satisfaction.