Outline:

0. Questions?
1. Refactoring to use functions
2. Error handling with conditional code: Exercise 1
3. Test-driven development
   • unit testing
   • test-driven development: Exercise 2, part a
4. Project work time
   • if you haven’t already, diagram your program using top-down design
   • write tests for a function at the bottom of your diagram
   • implement that function – do the tests pass?

Explore after class:

5. Test-driven development
   • more types of tests: Exercise 2, parts b-d

What’s next

Upcoming events/assessments:

• CS Bits and Bytes tomorrow from 4:30pm-5:30pm in Olin 149: John Clapp ‘91 from Deriva Energy
• Carleton Undergraduate Research Symposium: Friday Oct. 17 from 4:30pm-5:30pm in the Rec Center
• Homework assignment 5 is due tomorrow!

What you should do now:

• The readings (see below)
• Finish and submit Assignment 5
• Keep working on your project using top-down design and test-driven development

Reading assignment (to be completed by the next class):

• Zelle section 5.7 (pp. 155–158)
• Zelle section 6.4 (pp. 179–183)
• Zelle sections 11.4–11.6 (pp. 351–357)