I don’t want to frustrate you by bunch of testing terms. Just focus on thinking, process and how-tos.
Global: 4.4 million cars recalled (http://wsws.org/articles/2010/feb2010/toyo-f12.shtml ) In the first quarter of 2009, the company posted a $7.7 billion loss. The estimated loss for Toyota in the current financial year, calculated before the expansion of the recall process in January, is $5.5 billion. http://parttimembadegree.com/business-school-cases/toyota-recalls-pr-management-crisis/ http://en.wikipedia.org/wiki/2009%E2%80%932011_Toyota_vehicle_recalls VN: “mua toy cho nó lành” – lost
For ROI optimization, see the analysis of Rex Black on Managing the Testing Process: Practical Tools and Techniques for Managing Hardware and Software Testing
In conclusion: Test a.s.a.p Testing is responsibilities of all including developers.
Introduced in XP
Design (simple) first => draft solution => Design criteria: testable
Refactor, clean code frequently
What is acceptance test? fist
TechTalks #1 Unit Testing and Test-Driven Development Duong Trong Tan [email_address] Hanoi, 9- 2011