USE CASE

WHAT IS USE CASE?

A use case is a methodology used in system analysis to identify, clarify, and organize system requirements.

The use case is made up of a set of possible sequences of interactions between systems and users in a particular environment and related to a particular goal.

WHAT IS USE CASE TESTING?

Use case testing is a technique that helps us identify test cases that exercise the whole system on a transaction by transaction basis from start to finish. … A  
use case is a description of a particular use of the system by an actor (a user of the system).

A use case is a description of a particular use of the system by an actor or user. It is used widely in developing tests at system or acceptance level.

                        TEST CASE

WHAT IS TEST CASE?

A test case is a document, which has a set of test data, preconditions, expected results and postconditions, developed for a particular test scenario in order to verify compliance against a specific requirement.

Test Case acts as the starting point for the test execution, and after applying a set of input values, the application has a definitive outcome and leaves the system at some end point or also known as execution postcondition.