1. What is Regression testing? 2. What is the control flow graph of a program (e

Question

1. What is Regression testing? 2. What is the control flow graph of a program (e.g. written in a Java-like language)? 3. Give an example of a short program (different to the ones I used in the lecture) to explain the following notions: statement coverage - branch coverage condition coverage 4. One kind of testing that we mentioned but didn't go into much is Stress Testing. Do a bit of research on this and write about half a page on the goals of Stress Testing and some of the techniques that are used to test different systems - in particular try to find out about stress testing non-web systems. Is Stress Testing different to Load Testing?

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Q1) What is Regression Testing?

Answer)

Any kind of application or software testing is the process to confirm the changes or the development of a software. Regression Testing is the form of application or software testing where it is to be confirmed whether the recent program or code change has or has not adversely affected the existing features in the program. Regression testing is done mainly on the application to test the test cases which are formulated for checking to ensure existing functionalities work fine. The new code should not have any undesired side effects on the existing system. This is Regression Testing. Regression Testing is used when there is:

Defect Fixing

Enhancement of an application

Performance fix for application

Coding according to new requirements

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