Test method for revised data fields in a program

Details Test method for revised data fields in a program Test method for revised data fields in a program

1996-08-29

1999-01-19

Obervley, Alvin

Data processing: database and file management or data structures

Database design

Data structure types

707101, G06F 945, G06F 1730, G06F 1700

Patent

active

058623809

ABSTRACT:
A method determines if a revised fragment of a program provides an identical answer as does an original fragment of the program, wherein a fragment is one operator and one or more operands that are subject to processing by the operator. The method comprises the steps of: executing both an original fragment of the program and one or more revised fragment(s) which correspond to the original fragment, using first equvalent variables and determining if both fragments produce equivalent results; executing both the revised fragment(s) and the original fragment of the program using additional variables to determine if both fragments produce equivalent results under all test conditions; if the results are not equivalent, making a notation of that fact for later examination; and if the fragments are equivalent, repeating the aforementioned test steps until all revised code fragments have been tested.

REFERENCES:
patent: 5218605 (1993-06-01), Low et al.
patent: 5673387 (1997-09-01), Chen et al.
Oram et al, Managing Projects with Make, O'Reilly & Assoc., pp. IX-X, Dec. 1991.
Letter to David N. Koffsky, May 14, 1996, from Donald F. Olker with attached Search Report (6 pages).
(A) Results of Database Search (7 pages).
(B) Results of Database Search (12 pages).
(C) Results of Database Search (24 pages).
(D) Results of Database Search (10 pages).

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