| 摘要 |
To enable efficient detection of a garbled character from only output data of an application, a character string addition unit adds, to input data to the application or other data, an ASCII character string, and a particular character string that follows the ASCII character string and is highly likely to be garbled. An application execution unit executes the application based on the input data to which the character strings are added. A response input unit inputs a response to data output by the application. A database stores output data outputted by the application. A garbled character detection unit detects a garbled character in output data based on the result of comparison between a character string following the ASCII character string in the output data from the application execution unit, the response input unit, and the database, and the particular character string added to the input data.
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