Difference between Regression testing and Retesting ?

Regression testing-:

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- This is also type of testing

- In this type of testing, we just retest any code or program after adding some new feature or line code to it.

- This testing helps us to make sure the new addition to the already working code is not making any problem in the functionality of the code

Need of Regression testing-:

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a. Changes in requirement on some demand

b. New feature added to the software

c. After defect fixing

d. After performamce issue fixing

Note: If you performed all these fixing by adding something new then you will perform Regression testing.

Difference between Regression testing and Retesting-:

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- There are minor difference between these two but sometime people use them for representing same things

- Regression testing is when you test after adding some new code.

- Retesting is when you don't add some new code, fix the issue without addition and check if error is still there.

In this post, you will learn-:

- What is Regression testing

- what is retesting

- when you should use regression testing

- when you should use retesting

- what is difference between regression testing and retesting

- practical demonstration of regression testing and retesting.

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