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Unit testing can be done during the development of an application.

The objective of unit testing is to isolate a section of code and verify its correctness. In procedural programming a unit may be an individual function or procedure

The goal of unit testing is to isolate each part of the program and show that the individual parts are correct. Unit testing is usually performed by the developer.

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What is unit testing?

Unit testing is a software testing method by which individual units of source code are tested to determine whether they are fit for use.


Define system of measurement of sexagesimal?

It is a system of measurements where each "unit" is 60 times the "unit" to its right.


Why square is the unit of area?

That is easier to define than an area based on circles, triangles, or pentagons.


IS unit testing possible or even desirable in all circumstances Provide examples to justify your answer?

Unit testing is not always possible or desirable in every circumstance. For instance, in projects with rapidly changing requirements, extensive unit testing may lead to significant maintenance overhead without providing proportional benefits. Additionally, in highly experimental or exploratory code where the focus is on quick prototyping or learning, the time spent on writing tests might outweigh their value. However, in critical systems, such as medical software or financial applications, unit testing is essential to ensure reliability and prevent catastrophic failures.


What is the difference between stress testing and regression testing in software engineering?

Regression testing is intended to uncover any bug that may have been introduced in the application as a side effect of fixing some other bug. So all the test cases are run. This is different from Unit testing, where we run only unit tests for the unit where we fixed the bug. Stress testing stresses particular functionality so see where is will break etc. For example a good stress test for MS Word may be to open a file in MS Word and keep writing text to it till it breaks.