Unit testing involves the independent testing of each unit that' s a result of the efforts to produce a project ' s deliverables. For example, your deliverable might consist of a client/server system that uses Visual Basic (VB) to create a client computer interface with a back-end database. Part of the unit testing that you will do involves testing the user interface (UI) created by the VB developers to make sure it' s consistent with the requirements that were formulated for the project.
Testing usually isn't done by the same people that do the development or installation work. You want a fresh set of eyes looking at the results of development so that you get a fresh perspective on how well the work was done. If you' re constantly tasting your own cooking, you can' t tell whether others will think the food' s any good.
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