April 2016
Intermediate to advanced
494 pages
12h 49m
English
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Chapter 13
Integration Testing
In September 1999, the Mars Climate Orbiter mission failed after successfully traveling 416 million miles in 41 weeks. It disappeared just as it was to begin orbiting Mars. The fault should have been revealed by integration testing: Lockheed Martin Astronautics used acceleration data in English units (pounds), while the Jet Propulsion Laboratory did its calculations with metric units (newtons). NASA announced a $50,000 project to discover how this could have happened (Fordahl, 1999). They should have read this chapter.
Of the three distinct levels of software testing—unit, integration, and system—integration testing is the least well understood of these; hence in practice, it is the phase most poorly done. This ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.