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When something looks wrong in the code (“smell”), refactor it, but make sure you don break anything. How?

April 26, 2017break code looks refactor smell sure wrong

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When something looks wrong in the code (“smell”), refactor it, but make sure you don break anything. How?

1 Answer

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• Check that the code you are refactoring is covered by some unit tests. • Refactor. (Tip: a modern IDE (Eclipse and IDEA for instance) has some functions that may help.) • Check that the code still compiles (including dependent modules) and all the unit tests are still passing, and commit.