The object-oriented class testing approach, proposed in this paper, combines functional with structural testing techniques. Based on state-based testing, test cases generated from the MACT (Method for Automatic Class Testing) tool can be used to execute functional testing.

The definition-use information of data members, which occura in public member functions of a class under test, is generated from MACT to facilitate data flow analysis.

Testers can compute definition-use path with the information in order to ensure that the class is also satisfied with data flow coverage at intra-class level. The paper describes a queue class example to reveal that using a hybrid testing technique benefits class testing.

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