Tuesday 9 August 2022

Non-Functional Testing

Non-Functional Testing

Non-functional testing is a type of software testing to test non-functional parameters such as reliability, load test, performance and accountability of the software. The primary purpose of non-functional testing is to test the reading speed of the software system as per non-functional parameters. The parameters of non-functional testing are never tested before the functional testing.


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Performance Testing

Performance Testing eliminates the reason behind the slow and limited performance of the software. Reading speed of the software should be as fast as possible.


For Performance Testing, a well-structured and clear specification about expected speed must be defined. Otherwise, the outcome of the test (Success or Failure) will not be obvious.

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Load Testing

Load testing involves testing the system's loading capacity. Loading capacity means more and more people can work on the system simultaneously.

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Security Testing

Security testing is used to detect the security flaws of the software application. The testing is done via investigating system architecture and the mindset of an attacker. Test cases are conducted by finding areas of code where an attack is most likely to happen.

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Portability Testing

The portability testing of the software is used to verify whether the system can run on different operating systems without occurring any bug. This test also tests the working of software when there is a same operating system but different hardware.

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Accountability Testing

An accountability test is done to check whether the system is operating correctly or not. A function should give the same result for which it has been created. If the system gives the expected output, it gets passed the test otherwise failed.

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Reliability Testing

Reliability test assumes that whether the software system is running without fail under specified conditions or not. The system must be run for a specific time and number of processes. If the system is failed under these specified conditions, reliability test will be failed.

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Efficiency Testing

Efficiency test examines the number of resources needed to develop a software system, and how many of these were used. It also includes the test of these three points.

  • Customer's requirements must be satisfied by the software system.
  • A software system should achieve customer specifications.
  • Enough efforts should be made to develop a software system.

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