Software Engineering
Refactoring Safely With Characterization Tests
Characterization tests pin down what legacy code actually does, bugs included, so you can refactor safely without a real specification.
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Characterization tests pin down what legacy code actually does, bugs included, so you can refactor safely without a real specification.
A name is a promise about behavior, cost, and side effects — bad names mislead quietly, and that cost compounds across every reader.
Why code review that works at five engineers breaks at fifty, and the concrete conventions that keep review fast and fair as teams grow.