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Chapter 3. Test Now, Test Forever (Diagnosis)

 
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Chapter 3. Test Now, Test Forever (Diagnosis)

"A crash is when your competitor's program dies. When your program dies, it is an 'idiosyncrasy'. Frequently, crashes are followed with a message like 'ID 02'. 'ID' is an abbreviation for idiosyncrasy and the number that follows indicates how many more months of testing the product should have had."

—Guy Kawasaki

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This chapter might appear at first blush to be out of sequence. We're steadily getting more specific in the details of taking over code, and here near the beginning is a chapter on how to do testing. Shouldn't it be near the end?

In a word, no. I am going to describe a philosophy of testing that will revolutionize your development practices if you have not already encountered it. I will show you how to implement it for Perl code and give a detailed example. It is so pivotal to the development process that I want to make sure you see it as soon as possible. So yes, it really should come before everything else.

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