1. Summary

2. Economics Cost to fix a defect Time defect Time to Introduce
Requirement
Design
Implementation
System test
Post-release 1x 3x
5-10x
10x
10-100x -
15x
25-100x
10-25x

3. Summary Test process Test Case
Boilerplate”: author, date, propose (summary), test case ID, reference to specification, version
Pre-conditions (including environment)
Inputs
Expected Outputs
Observed Outputs
Pass/Fail

4. Summary Testing methods Testing Level
Black –box (functional), White –box (structural), Grey-box
Testing Level
Acceptance Testing, System Testing , Integration Testing
Module Testing, Unit Testing

5. Test Process Maturity Level 0 Level 1 Level 2 Level 3 Level 4
There’s no difference between testing and debugging
Level 1
The propose of testing is to show that the software works
Level 2
The propose of testing is to show that the software doesn’t work
Level 3
The propose of testing is not to prove anything specific, but to reduce the risk of using the software
Level 4
Testing is a mental discipline that helps all IT professional develop higher quality software

6. Exercises What is the propose of a test?
For what do testers use automation?
What are the limitations of automation?
What kind of fault is most difficult to detect?
What are the difficulties in making a test case?
What are the advantages of functional testing?
What are the disadvantages of functional testing?
What are the advantages of structural testing?
What are the disadvantages of structural testing?