When taking an inventory of your PL/I 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 OS PL/I and which programs
have been compiled with PL/I for MVS & VM
- Which programs have been linked with PL/I shared libraries
- Run-time options used (and how specified)
- Which PL/I programs call or are called by assembler programs
- Which PL/I programs are multitasking.
- Which PL/I programs use interlanguage communication (COBOL,
C, or FORTRAN)
- Which PL/I programs are used under CICS, IMS, DB2, or other
subsystems
- Frequency and types of abends expected
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)
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