Difference between Regression Testing and Development Testing

1. Regression Testing: It is the process of testing the modified parts of the code and the parts that might get affected due to the modifications to ensure that no new errors have been introduced in the software after the modifications have been made. Regression means the return of something and in the software field, it refers to the return of a bug.

Regression testing tests both the modified code and other parts of the code that may be affected by the program modification.

It serves many purposes:

• Find and locate errors in the program
• Helps in preserving the quality and reliability of a software product
• It ensures the software’s continued operation

2. Development Testing: It is a method of applying testing practices consistently throughout the software development life cycle process. This testing ensures the detection of bugs or errors at the right time which further ensures delay of any kind of risk in terms of time and cost. Development Testing aims to establish a framework to verify whether the requirements of a given project are met in accordance with the rules of the mission to be accomplished.

It is helpful for the following reasons:

• It enables higher levels of efficiency in the software development life cycle (SDLC)
• Helps in reducing software errors
• Speed up the delivery process

Difference between Regression Testing and Development Testing:

Here is the Difference between Regression Testing and Development Testing

When to do regression testing?

• When new functionality is added to the system and the code has been modified to absorb and integrate that functionality with the existing code.
• When some defect has been identified in the software and the code is debugged to fix it.
• When the code is modified to optimize its working.

process of regression testing

When to perform Development Testing?

• When writing new code or building a new software product.
• When development cost is low, the client should perform development Testing so that the client doesn’t have to face the debugging and another testing cost.

Process of Development Testijng

Why Both Are Necessary in Software Development

Both development testing and regression testing play key roles in making sure software is stable and reliable.

• Development Testing helps catch problems early in the development process. This reduces the risk of bugs being carried over into later stages of the project.
• Regression Testing, on the other hand, ensures that when the software is updated with new features or bug fixes, it still works as it should without breaking anything that was already working.

Conclusion

In short, development testing and regression testing are both important in the software development process. Development testing focuses on checking if individual parts of the app work correctly while being built. Regression testing ensures that new changes or updates don’t break anything that was already working. By using both types of testing, developers can make sure the software is high-quality, stable, and easy to maintain.

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• Difference Between
• Software Engineering
• Software Testing
• Software Testing