Key Integration Issues in SDLC

What modules should be assembled and tested as a group?

• Functional subassemblies
• Top level grouping working down
• Bottom level groupings work up
• Crtical feature first

How much scaffolding cde or test support code is required?

How much testing is appropriate?

• Subassembly
• Interfaces only
• All invoking functions and features
• Stress and break conditions

How will problems be isolated?

Integration Test Criteria

Integration Test Criteria includes:

• Compliance with Sub-Assumbly Functional Requirements
• Assessment of Timing, Sizing and Accuracy
• Performance at Boundaries and Under Stress
• Measurement of Functional Test Coverage
• Measurement of Software Reliability

Objective of Integration Testing

The objective of Integration Test is to ensure that various system parts of related components and programs work properly together.

It includes:

• Integrates Components.
• Components with Components Tests
• Hardware Interfaces Tests
• External Software Interfaces Tests
• Functional Requirements Tests
• Sub-Assembly Tests

Program Debugging

There are 3 different approaches to debugging and they includes:

• Induction Approach
• Deduction Approach
• Intuition Approach