Testing Multiple Representations
Few systems these days are written in a single, compiled language with a single data representation. More likely, they are a composite of compiled servers, perhaps written in C++, and interpreted clients, perhaps written in Java, whose screen presentation is dynamically computed as the representation is pulled from a database. The customer data is structured in a relational architecture and must be repackaged to reflect the object-oriented architecture of the computational logic.
Several features of these systems are important from a testing perspective:
interactions between two data models
interactions between pieces written in different languages
interactions between static and dynamic portions of the program ...
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