Topic: Use Case & Test Case !!!!

S. No

Use Case

Test Case

1

A use case is a description of how a user uses the system being designed to perform a given task.

A test case is a set of test inputs, execution conditons, and expected results developed for a particular test objective.

2

Use Case is the symbolic representation of what a particular application is supposed to do, and helps in the preparation of High and low level designs like class diagrams, context diagrams, and sequence diagrams. Use case is   nothing but the business requirement document , it will prepared by business analyst.

Test cases prepare by QA Analyst, it describes the what  to test , how to test , what will be the inputs, actions, and expected results of functionality, to check the actual results with expected results, and to specify the test is passed or failed according to   actual results.

3

Where as User Case is the complete detail of the module which tells the tester oe the developer, who are the users of this module, What are the Inputs, validation, etc...

Test Case is the steps that are required for execution, which covers, Test Case ID, Scenario, Pre condition, Testing Steps, Test Data, Expected Result, Actual Result ( I.e., That is filled after the testing), Status (Test is pass or fail), Priority, Severity, Remarks and other fields that can be added as per the project or company understanding.