how (much) do developers test?

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  1. 1. How (Much) Do Developers Test? Moritz Beller @Inventitech Andy Zaidman Georgios Gousios
  2. 2. 50% of Project Effort Software Testing takes ...
  3. 3. 50% of Project Effort Brooks, 1975 Software Testing takes ...
  4. 4. Testing means all things to all men
  5. 5. How (Much) Do You Test?
  6. 6. 40
  7. 7. 4.2 yr
  8. 8. OMG!!!
  9. 9. Histogram of Testing Time
  10. 10. Histogram of Testing Time 50% of students test only 4% of their time, or less
  11. 11. Estimated 27%
  12. 12. Estimated 27% Reality 9%
  13. 13. >1,300
  14. 14. Estimated 48%
  15. 15. Estimated 48% Reality 25%
  16. 16. @Inventitech Moritz Beller, TU Delft How (Much) Do Developers Test? TestRoots.org
  17. 17. @Inventitech Moritz Beller, TU Delft How (Much) Do Developers Test? TestRoots.org Code Changes ~ Test Executions
  18. 18. @Inventitech Moritz Beller, TU Delft How (Much) Do Developers Test? TestRoots.org Code Changes ~ Test Executions
  19. 19. @Inventitech Moritz Beller, TU Delft How (Much) Do Developers Test? TestRoots.org Code Changes ~ Test Executions
  20. 20. @Inventitech Moritz Beller, TU Delft How (Much) Do Developers Test? TestRoots.org Code Changes ~ Test Executions Poster Session Thursday, 4pm, Passi Perduti

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