What is the difference between System and Functionl Test Case ?



What is the difference between System Test Case and Functionality Test Case ?

What is Test case

  • A test case is a set of conditions or variables under which a tester will determine whether a system under test satisfies requirements or works correctly.
  • The process of developing test cases can also help find problems in the requirements or design of an application.

Difference between System and Functional Test Case

System Testing

  • System testing aims to figure out whether the whole system fulfills the requirements given to it.
  • System Test Case will be developed to validate the System as a whole End-to-end, while combining it with the required HW, Database, Networking and any other connections such as Printers, Fax or any other external. Supporting SW application.
  • Here, while an input is given to the System, the System's behavior to handle the input data and its final expected output will be verified.
  • System testing take a look at the typical stop product. which includes each unmarried module, interface and every minute details along with all inner and external additives of the system.
  • Gadget checking out fundamental reason is to find out whether or not the complete gadget fulfills the requirements as given to it.
  • Using tools might be powerful for system testing.
  • Device trying out describes how right the product works.

System testing

Functional Testing

  • Functional testing aims to figure out whether given functionality works as specified.
  • Functional Test Cases whole be developed to validate the Application according to the functionality demanded by the client or provided in the SRS.
  • The input is given to the application, the application behavior to handle the input data and its final expected output will be verified.
  • Useful checking out take a look at the functionalities of the product. which incorporates strain, load, safety, overall performance and many others.
  • Manual checking out or automation gear may be used for functional checking out.
  • Functional checking out describes what the product does.


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