JPS6488750A - Test method for information processor - Google Patents

Test method for information processor

Info

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
Application number
JP62244238A
Other languages
Japanese (ja)
Inventor
Toshikiyo Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP62244238A priority Critical patent/JPS6488750A/en
Publication of JPS6488750A publication Critical patent/JPS6488750A/en
Pending legal-status Critical Current

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.
JP62244238A 1987-09-30 1987-09-30 Test method for information processor Pending JPS6488750A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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