As always, the unit tests for that class should capture the functionality for each of its methods.

像往常那样，该类的单元测试应该捕获其每个方法的功能。

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Many developers use a variant of testing called test-after development (TAD), whereby you write the code and then write the unit tests.

许多开发人员使用称为后测试开发（TAD）的各种测试，你首先编写代码，然后编写单元测试。

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Instead of running all your automated unit tests every day, only run the ones that need to pass for this particular delivery or iteration.

不必每天运行所有自动化的单元测试，而只运行此特定交付或迭代需要通过的测试。

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The Icelandic company's diagnostics unit sells tests for gene variants that boost risk of diabetes, heart attack and other diseases.

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