An Automatic Testing Environment for Large-Scale Operating Systems

概要

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This paper presents testing methods for large-scale operating systems (OSs,) including for I/O error recovery. To reduce the manpower required for OS testing, we developed the automatic OS test driver (OSTD/AUTO) and the I/O error simulator(IOSlM). OSTD/AUTO automates operations in OS testing by using programmed test procedures written in a test procedure description language. The language describes three types of operations. (a) submitting sequential control commands to the OS in response to the messages displayed to the console, (b) detecting abnormalities in the OS, and (c) collecting information for debugging in response to the detection. OSTD/AUTO decreases operation time to about 67% on the average in comparison with manual operations. In addition, IOSIM can simulate errors during I/O processing and repeated I/O errors in response to the system programmers'specification. Automatic OS testing for I/O error recovery can be done by combining IOSIM and OSTD/AUTO.
一般社団法人情報処理学会の論文
1993-02-15