Steve Freeman and Nat Pryce describe the processes they use, the design principles they strive to achieve, and some of the tools that help them get the job done. Drawing on a decade of experience building real-world systems, two TDD pioneers show how to let tests guide your development and 'grow' software that is coherent, reliable, and maintainable. Now there's a practical guide to TDD that takes you beyond the basic concepts. However, this 'simple' idea takes skill and judgment to do well. TDD is based on a simple idea: Write tests for your code before you write the code itself. Martin 'If you want to be an expert in the state of the art in TDD, you need to understand the ideas in this book.'- Michael Feathers Test-Driven Development (TDD) is now an established technique for delivering better software faster.

1 Growing Object-Oriented Software, Guided by Tests Foreword by Kent Beck 'The authors of this book have led a revolution in the craft of programming by controlling the environment in which software grows.' -Ward Cunningham 'At last, a book suffused with code that exposes the deep symbiosis between TDD and OOD.

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