Quality Consulting Firms: What to Test?
There are two types of classes in terms of their interaction with other classes:
- primitive classes;
- non-primitive classes.
Primitive class can generate instances, and these instances can be used without having to create copies of any other classes, including that of this class. These objects are the simplest components of the system and certainly are crucial for the fulfillment of any software program. However, an object-oriented program has comparatively small number of primitive classes that realistically mimic the task objects and all relations between these objects. As a rule, well-designed object-oriented programs tend to use non-primitive classes. This information is used to determine the type that each class in our application belongs to (see table 1.). Quality consulting firms help to improve software development process by giving worthy pieces of advice and finding the right solutions that lead to successful product release.
In most object-oriented languages, class members have one of the three access levels:
- Public. Class members that have public access are available from any of the classes. They form the interface of the class, which will be used by any developer employing this class in his application.
- Private. Class members with private access are only available within the class, i.e. from its methods. They are a part of the internal implementation of the class and are unavailable for a third-party developer.
- Protected. Class members with protected access are available from the class itself and from classes that are its descendants, but are inaccessible from the outside of the class. The use of these methods is only possible when you create a class-descendant extending the functionality of the base class. Performance testing company has to do with successful projects as it greatly contributes to their proper development. Eliminating performance bottlenecks in software apps, the organization ensures that they will meet all customer needs.
Thus, the need to test the functionality of the class depends on whether it provides the possibility of inheritance. If the class is final and does not involve inheritance, you must test its public part (however, final classes do not contain protected members). If the class is designed for expansion through inheritance, you must test its protected parts.
Testing projects outsourcing is always a wise decision during development as it allows to bear less expenses while ensuring desirable quality.