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Having sufficient test coverage is now considered key to maintaining enough control of large software systems to make changes quickly and reliably. Although we’ve started to write tests, there is still a lot to learn about how to test well - with 40 years of invention and innovation in test strategies and technologies, it’s hard to know what tools are appropriate when testing a given interface. Even among industry leaders, a lot of good testing is still a matter of “I’ll know it when I see it.” In this talk I’ll argue that long-ignored concepts from software design are essential in understanding how to test appropriately. Along the way I’ll tie together ideas and technologies from both design and testing: control, contracts, and design qualities help us understand how best to use unit tests, dynamic analysis, fuzzing, and property-based testing approaches. </p> <div> <br /> </div> </div> <div class="row lecture__section"> <h2>About this Lecture</h2> <span> <strong>Number of Slides: </strong> 0</span><br/> <span> <strong>Duration: </strong> 45 minutes </span><br/> <span> <strong>Languages Available: </strong> English</span><br/> <span> <strong>Last Updated: </strong> <span id="lecDate"></span> </span> </div> <div class="row lecture__section"> <h2>Request this Lecture</h2> <p>To request this particular lecture, please complete this <a href="https://services.acm.org/public/speakers/request_lecture.cfm?lecture_id=16565" target="_blank">online form.</a> </p> </div> <div class="row lecture__section"> <h2>Request a Tour</h2> <p>To request a tour with this speaker, please complete this <a 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