Foreword

If you go to junit.org, you'll see a quote from me: "Never in the field of software development have so many owed so much to so few lines of code." JUnit has been criticized as a minor thing, something any reasonable programmer could produce in a weekend. This is true, but utterly misses the point. The reason JUnit is important, and deserves the Churchillian knock-off, is that the presence of this tiny tool has been essential to a fundamental shift for many programmers: Testing has moved to a front and central part of programming. People have advocated it before, but JUnit made it happen more than anything else.

It's more than just JUnit, of course. Ports of JUnit have been written for lots of programming languages. This loose family ...

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