Abstract
In this paper, we present a series of methods to improve testing efficiency especially for regression testing from a novel view, namely dynamic analysis of test cases suitable for class testing in object-oriented systems. We mine static call graphs and dynamic call trees to represent the static features and dynamic tests of the program. By graph analysis, we present a series of methods and testing criteria to evaluate test cases from the view of code coverage. These methods improve testing efficiency for class testing from the following aspects: automation; multi-angle evaluations of test cases; improvement and management of test cases; providing different prioritization criteria and optimization criteria for regression testing to meet different testing requirements etc. What's more, they can be used in large-scale OO systems, and the test results are quantifiable.
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