Program test method
Abstract
Abstract A METHOD OF ANAYZING COMPUTER PROGRAMS WHICH ARE TO BE TESTED. THE METHOD DETERMINES THE DATA FLOW PATTERNS THROUGH A PROGRAM AND USES THE DATA FLOW PATTERNS TO IDENTIFY A SET OF PATHS IN THE PROGRAM WHICH MUST BE EXERCISED IN ORDER TO VARIFY A PROGRAM''S CORRECTNESS. THE METHOD INCLUDES THE STEPS OF: PARTITIONING THE PROGRAM SOURCE STATEMENTS INTO GROUPS (EACH OF WHICH ALWAYS EXECUTES AS A SERIAL UNIT, I.E. SERIT), DETERMINING THE EXECUTION SEQUENCES OF THE DIFFERENT SERIAL UNITS, DETERMINING THE DATA INPUT AND OUTPUT ACTIVITIES OF THE SERIAL UNITS ACROSS THEIR BOUNDARIES AND THE PROGRAM BOUNDARIES, LOCTING THE SOURCES OF INPUT DATA TO EACH SERIAL UNIT, AND IDENTIFYING TEST PATHS THROUGH THE PROGRAM SUCH THAT EVERY FIRST-ORDER DEPENDENCY (EACH DIRECT SOURCE OF AN INPUT DATA ITEM PROVIDED TO EACH SERIAL UNIT) IS EXERCISED BY TEST DATA DESIGNED TO EXERCISE THIS SET OF TEST PATHS. THE METHOD CAN BE APPLIED TO PROGRAMS WRITTEN IN DIFFERENT PROGRAMMING LANGUAGES.
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