Testing Activities in Each Phase

The following testing activities should be performed during the phases:
1. Requirements Analysis
- Determine correctness
- Generate functional test data.
2. Design
- Determine correctness and consistency
- Generate structural and functional test data.
3. Programming/Construction
- Determine correctness and consistency
- Generate structural and functional test data
- Apply test data
- Refine test data
4. Operation and Maintenance
- Retest