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What is component testing

What is meant by the component testing?

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Component testing , also termed as module, unit and program testing, looking for the defects in, and correcting the functioning of software for example: programs, modules, objects, classes, and so on which are separately testable. Testing of the component can be done separately from rest of the system on the basis of the context of development life cycle and system. Generally, the stubs and drivers are used in order to substitute misplaced software and imitate the interface between software components in the simple manner. A stub is termed from the software component to be tested; a driver calls the component to be tested.

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