Shortest Longest Red

▤ Summary

Hed been teaching Test-Driven Development (TDD) to a bunch of student but they were spending far too much time trying to make their failing tests pass. To measure how long they were "in the red", Ward suggested that one programmer in the pair take on the additional responsibility of being the time keeper. By the end of the exercise, every pair had finished programming the solution and had data about their longest period in the red. Taking a step in which you "write a bunch of code" reveals you have more to learn about what Kent calls the better, surer, more incremental way. Wards students needed to learn that lesson and his shortest longest red competition helped.

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