System testing

System testing

System testing tests a complete integrated system to verify that the system meets its requirement. Software testing should ensure that the program as well as working as expected. 

Software testing should also ensure that the program does not destroy or partially corrupt its operating environment or cause other process within that environment to become inoperative

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This comprise not corrupting shared memory storage, not consuming or locking up excessive resources and leaving any parallel processes unharmed by its presence.

Other levels of testing are

• Unit testing
• Integration testing
• Acceptance testing