| 摘要 |
PROBLEM TO BE SOLVED: To continuously calculate a covering ratio since before the correction of a program source even at the time of correcting the program source as for the calculation of the covering ratio in a program test. SOLUTION: Test information 41 corresponding to a program source 31 is provided with test completion information 412 corresponding to the line units of the program source 31, and the test completion information 412 indicating whether or not the test is completed is updated by line units by an inputting device 1. Thus, the test covering ratio of the program source 31 can be calculated.
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