JPS6488750A - Test method for information processor - Google Patents
Test method for information processorInfo
- Publication number
- JPS6488750A JPS6488750A JP62244238A JP24423887A JPS6488750A JP S6488750 A JPS6488750 A JP S6488750A JP 62244238 A JP62244238 A JP 62244238A JP 24423887 A JP24423887 A JP 24423887A JP S6488750 A JPS6488750 A JP S6488750A
- Authority
- JP
- Japan
- Prior art keywords
- instruction
- check point
- random number
- train
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE:To search an instruction having a logical defect, i.e., an error factor instruction by using a means which holds the initial value of a random number train and a means which changes a check point put into an instruction train produced from the random number train. CONSTITUTION:When no difference is detected between the execution result data and the correct answer value data, a check point change mechanism 32 decides that the instruction changed to a check point has a logical defect. If the difference is detected between both data, it is decided that an instruction preceding the check point has a logical defect. Then the check point is set precedingly by one instruction and the tests are repeated with the same instruction train produced from the initial value of the random number train held by a random number train initial value holding mechanism 31. This test where the check point is set precedingly by one instruction is repeated until no difference is obtained between the execution result data and the correct answer value data. Thus an instruction having a logical defect is specified.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62244238A JPS6488750A (en) | 1987-09-30 | 1987-09-30 | Test method for information processor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62244238A JPS6488750A (en) | 1987-09-30 | 1987-09-30 | Test method for information processor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6488750A true JPS6488750A (en) | 1989-04-03 |
Family
ID=17115792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62244238A Pending JPS6488750A (en) | 1987-09-30 | 1987-09-30 | Test method for information processor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6488750A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03218536A (en) * | 1990-01-24 | 1991-09-26 | Mitsubishi Electric Corp | Diagnostic system for data processor |
JPH0496143A (en) * | 1990-08-08 | 1992-03-27 | Pfu Ltd | Random test reproduction processing system and diagnostic system |
-
1987
- 1987-09-30 JP JP62244238A patent/JPS6488750A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03218536A (en) * | 1990-01-24 | 1991-09-26 | Mitsubishi Electric Corp | Diagnostic system for data processor |
JPH0496143A (en) * | 1990-08-08 | 1992-03-27 | Pfu Ltd | Random test reproduction processing system and diagnostic system |
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