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The more you invest in quality, the less time it takes to develop working software.
Quality is not just testing
Trying to improve the quality of software by doing more testing is like trying to lose weight by weighing yourself more often. (Steve McConnell)
Quality is:
This lecture looks at basic things every developer can do to maintain quality.
o Then you move on to the second function…
A unit test exercises one component in isolation
An integration test exercises the whole system
Regression testing is the practice of rerunning tests to check that the code still works