What is the Difference Between Functional and Nonfunctional Testing

Functional testing verifies each function/feature of the software whereas Non Functional testing verifies non-functional aspects like performance, usability, reliability, etc. Functional testing can be done manually whereas Non Functional testing is hard to perform manually.

1. What is the difference between functional and nonfunctional?
2. What is non functional testing example?
3. What is the difference between manual and functional testing?
4. What is the difference between system testing and functional testing?
5. What are examples of functional requirements?
6. How do you gather functional requirements?
7. What is functional testing example?
8. What are examples of non functional requirements?
9. What are different types of functional testing?

What is the difference between functional and nonfunctional?

Functional requirements are the WHAT; nonfunctional requirements are the HOW. So, the testing of functional requirements is the verification that the software is executing actions as it should, while nonfunctional testing helps verify that customer expectations are being met.

What is non functional testing example?

Non-functional testing is the testing of a software application or system for its non-functional requirements: the way a system operates, rather than specific behaviours of that system. ... For example, software performance is a broad term that includes many specific requirements like reliability and scalability.

What is the difference between manual and functional testing?

Functional Testing is the type of testing done against the business requirements of application. ... For functional testing either manual testing or automation tools can be used but functionality testing would be easier using manual testing only.

What is the difference between system testing and functional testing?

So the difference between System Testing and Functional Testing is that System Testing tests the entire product or section of a product while Functional Testing only tests a single feature within a section of a product.

What are examples of functional requirements?

The list of examples of functional requirements includes:

• Business Rules.
• Transaction corrections, adjustments, and cancellations.
• Administrative functions.
• Authentication.
• Authorization levels.
• Audit Tracking.
• External Interfaces.
• Certification Requirements.

How do you gather functional requirements?

10 Tips for Successful Requirements Gathering

1. Establish Project Goals and Objectives Early. ...
2. Document Every Requirements Elicitation Activity. ...
3. Be Transparent with Requirements Documentation. ...
4. Talk To The Right Stakeholders and Users. ...
5. Don't Make Assumptions About Requirements. ...
6. Confirm, Confirm, Confirm. ...
7. Practice Active Listening.

What is functional testing example?

Functional testing is the process through which QAs determine if a piece of software is acting in accordance with pre-determined requirements. It uses black-box testing techniques, in which the tester has no knowledge of the internal system logic.

What are examples of non functional requirements?

Types of Non-functional requirement are Scalability Capacity, Availability, Reliability, Recoverability, Data Integrity, etc. Example of Non Functional Requirement is Employees never allowed to update their salary information. Such attempt should be reported to the security administrator.

What are different types of functional testing?

Functional Testing Types

• Unit Testing. i. Smallest functional and testable unit of code is tested during unit testing. ...
• Integration Testing. i. ...
• Interface Testing. i. ...
• System Testing. i. ...
• Regression Testing. i. ...
• Smoke Testing. i. ...
• Sanity Testing. i. ...
• Acceptance Testing.