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The author sheds some light on why testing today's software products is so challenging, and he identifies several solid approaches that all testers should be able to thoughtfully apply. The effective tester has a rich toolkit of fundamental testing techniques, understands how the product will be used in its operating environment, and has a nose for where subtle bugs might lurk in the product and a bag of tricks for flushing them out. The methods described can help testers provide a sensible answer to the question of what they really mean when they say they have finished testing a software system.
J. A. Whittaker (Sat,) studied this question.
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