Note: The two-digit line numbers on the very left edge of the listing are for explanation purposes; they don't appear in the code.

注意：清单左端的两位数行号仅用于解释目的；它们不出现在代码中。

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Putting this all together yields a flexible test class that verifies two scenarios: a sunny-day path and an edge case where no definition is provided, as shown in Listing 7.

结果产生一个灵活的文本类，它将检验两种场景：一种是良好的场景，而另一种是没有提供定义的边界用例，如清单7所示。

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Listing 5 depends on certain behaviors for substring in some edge cases, as well as the conversion of Boolean values to Numbers.

清单5依赖于substring在某些边界情况下的行为以及布尔值到数字的转换。

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Sweeney reckons Global Sources' U.S. listing will give them an edge, because they will be able to more easily raise capital from U.S. investors.

CNN: Grandaddy of Them All