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Now we are at the end of this lesson, and I

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just want to wrap it up by summarizing what we've seen. We talked

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about black-box testing, the testing of

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software based on a functional specification,

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a description of the software rather than its code. We saw a

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systematic way of doing that, that allows for breaking down the problem

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of testing software, so the problem of going from this functional specification

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to a set of test cases into smaller steps, more manageable steps.

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And we saw two main ways of doing this. One by identifying

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relevant inputs for the main features in the system

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and then deriving test case specifications and test cases from

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this set of inputs. And the second way by

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building a model for the main features of the system

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and then using this model to decide how to

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test the system. In the next lesson, we are going

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to discuss, how to do testing by looking inside the

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box? So, how to do testing in a white-box fashion.