When taking an inventory of your COBOL applications, you need to gather
information about the program attributes that affect moving to Language Environment.
This information includes how and what to test and what will affect performance
under Language Environment.
For your inventory, determine:
For moving your applications to Language Environment: - Which programs have been compiled with VS COBOL II and
which with OS/VS COBOL
- Which programs have been compiled with RES and which with NORES
- Runtime options used (and how specified), specifically:
- MIXRES (VS COBOL II)
- RTEREUS (VS COBOL II)
- LIBKEEP (VS COBOL II)
- FLOW (OS/VS COBOL)
- Which COBOL programs call or are called by assembler programs
- Which COBOL programs use interlanguage communication (PL/I, C, or FORTRAN)
- Which COBOL programs are used under CICS, IMS, DB2, or other subsystems
- Control statements used
- Frequency and types of abends
For regression testing: - Test cases required and available
For performance measurements: - Amount of storage used
- Frequency of execution of reusable/common modules
- Program execution time (both CPU and elapsed)