1. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Chapter 10 Testing

2. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Overview

3. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. The First Computer Bug

4. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Fail Early

5. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Contracts

6. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Contracts 1.preconditions - relationships that must hold before a function is executed, 2.postconditions - relationships that must hold after a function is executed, 3.invariants - relationships that must hold while a function is executed.

7. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Contracts

8. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Contracts

9. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Logging

10. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Logging

11. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Log Categories

12. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Logging

13. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Logging

14. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Logging

15. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Logging Output

16. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Unit Testing

17. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Unit Testing

18. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Unit Testing

19. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Unit Testing

20. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Unit Testing

21. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Equivalence Classes The equivalence classes we might consider for this code include: even positive numbers odd positive numbers even negative numbers odd negative numbers zero

22. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Equivalence Classes

23. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Regression Testing

24. Copyright © 2014 Dr. James D. Palmer; http://jdpalmer.org/cs1 This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Test Driven Development