In recent times the software systems have evolved in size and complexity. This has resulted in usage of object oriented programming in the development of such systems. Though object oriented programs are helpful in programming large systems, testing of such systems requires much more effort and time. For this the program is analyzed to create a model based on System Dependence Graph(SDG) which is then used to find locations within the program where the state of the program can be freezed and reused while executing other test cases.
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