Ambiguities In Object Specifications In View Of Data Testing
Dieter Richter · 1992
Checking data only relying on their specification is of importance when using neutral or standardized object models. Ambiguities arise during the tests because of specifications leaving a certain degree of freedom to the implementation. Based on an experimental background the observations and reflections about the reasons are systematically presented. It turns out that the transition (or mapping) from a specification of an object to a physical instance (or data set) has to take into consideration when defining neutral models. This transition which often has been seen as a technical question of the implementation or as the internal (hided) feature of a system appears as a particular point of the concept besides the specification. One crucial point is the instance handling with respect to assign and comparison operations. The mapping from a specification into a database can be realized in various manners which leads to interpretation defects when testing independently. Another po...