F452 test data & debugging tools

Test data:

• Normal data
• Data that would be expected.
• Borderline data
• Data that is on the boundary
• Invalid (extreme) data
• Data that should be completely unacceptable/invalid.

Debugging tools:

• Translator diagnostics
• Pick up syntax errors and informs the writer.
• Break points
• Cause the program to halt in execution at key points so the current values of variables can then be checked.
• Stepping
• Executes the program one step at a time.
• Variable checks
• Allow you to monitor the content of a variable and see when it changes.