| 摘要 |
A stable program, a new program version and a test case which passes (or fails) in the first program may be analyzed. Another new input may be found that either exhibits the similar (different) behavior as that of the test case in the first program (or second program) or follows different (similar) behavior as that of the test case in the new program version. In the first case, the trace of the test case and the new input in the second code version while in the second case, the trace of the test case and the new input in the original program are compared to produce a bug report. By reviewing the bug reports, divergences may be found and error causing code lines may be isolated.
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