We consider the development of application application that allows you to test new classes, which can be used for the subsystem excluding the sales trading business. Also an example of testing the above classes. The basic test results, which gave the appropriate conclusions regarding the application in the development of applied application of object-oriented programming. Development of an example implemented by means of the PLO Delphi 2010.
object-oriented programming, applied application, testing of classes
"Rozrobka prykladnoho dodatku dlia testuvannia klasiv v pidsystemi obliku prodazhu torhivelnoho pidpryiemstva" ,
Information Processing Systems,