Defect Non-detection


The implications of defect non-detection vary greatly based on what the product is. No one is likely to die if a $30 spelling checker malfunctions. On the other hand, most test engineers would rather the products they work on be shipped as clean as possible.

The reason for this is that it is very hard to predict what kinds of bugs you will miss if you chose not to test parts of the product. In the words of one twenty year veteran, "What you test is what you get. If you didn't test it, it probably doesn't work."

Why do defects go undetected?


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Copyright 1998 Anne Powell

last update 2/16/98