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Top 12 Reasons to Write Unit Tests (O'Reilly)

Eric M. Burke and Brian M. Coyner make the case for writing unit tests. "A concise code example is better than many paragraphs of documentation. We see this time after time in our consulting work. Far too often, teams produce boilerplate documents that are of little practical value. When programmers need to learn an API, they search for code examples. Tests are among the best code examples because they are concise snippets of code that exercise public APIs."
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