May 2002
Intermediate to advanced
416 pages
8h 37m
English
Content preview from Executable UML: A Foundation for Model-Driven ArchitectureBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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15.5. The Verification Gap
For the models to be useful, they must meet the requirements on the domain. Hence, we need to test the models against use cases as the best expression of the requirements. Each test case is a “polished” rendition of its originating use case.
Agile processes rightly propose the construction of test cases before writing code. The same applies to models: You can construct a series of test cases for the models just as you would for code.
Writing test cases first and executing them as soon as there is a model reduces the “verification gap”[3] between the model and its validation. Closing this gap is, we believe, a major contribution of executable models.
[3] This term is due to Terry Bollinger.
Final thought: Keep your brain ...
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