What's That Supposed to Do? The Archeology of Legacy Systems

[presentation]
by
Patricia Ensworth, Moody's Investors Service
Summary: 

In testing utopia, all software products submitted for testing have thorough and comprehensive documentation describing how every program function should work. On planet Earth, however, test engineers usually have to make do under less-than-ideal circumstances. It's not uncommon for test engineers to be asked to verify the functionality of a critical legacy system which has no documented requirements whatsoever. While there are many reasons this can happen, the result is the same: You assume the role of an archeologist sifting through the layers of clues to reconstruct the specifications. Patricia Ensworth gives you instructions and tools so you'll be ready to roll up your sleeves and dig.

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