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System Testing


System testing of software or hardware is testing performed on a complete, integrated system to check and evaluate the system's compliance with its specified requirements. System testing falls within the scope of black box testing, and as such, should require no knowledge of the inner design of the code or logic. [1]

As a rule, system testing takes, as its input, all of the "integrated" software components that have successfully passed integration testing and also the software system itself integrated with any applicable hardware system(s). System testing is a more limiting type of testing; it seeks to detect defects both within the "inter-assemblages" and also within the system as a whole.

System testing is performed on the entire system in the context of a Functional Requirement Specification(s) (FRS) and/or a System Requirement Specification (SRS). System testing is an investigatory testing phase, where the focus is to have almost a destructive attitude and tests not only the design, but also the behavior and even the believed expectations of the customer. It is also intended to test up to and beyond the bounds defined in the software/hardware requirements specification(s). System testing includes the Load testing and Stress Testing. Once the Load testing and Stress testing is completed successfully, the next level of Alpha Testing or Beta Testing will go ahead.

Types of system testing

The following examples are different types of testing that should be considered during System testing:

GUI software testing

Usability testing

Performance testing

Compatibility testing

Error handling testing

Load testing

Volume testing

Stress testing

User help testing

Security testing

Scalability testing

Capacity testing

Sanity testing

Smoke testing

Exploratory testing

Ad hoc testing

Regression testing

Reliability testing

Recovery testing

Installation testing

Maintenance testing

Accessibility testing

(Source: Wikipedia)

P.Lobrin

plobrin@gmail.com

Website QA/Tester

Paulita C. Lobrin

Provider of website quality assurance/testing. http://bonifaciosd.blogspot.com

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