V2EX test function

Test Function

定义 Definition

test function测试函数。指用于检验、验证或评估某个系统/程序/算法是否按预期工作的函数;在数学(如分布论)中也可指一类“光滑且具有良好性质”的函数,用来测试广义函数(分布)的行为。(常见用法以编程与软件测试为主。)

发音 Pronunciation

/tst fkn/

例句 Examples

The test function checks whether the login button works.
测试函数会检查登录按钮是否正常工作。

Before release, we wrote a test function that feeds edge-case inputs into the parser and compares the output against expected results.
发布前,我们编写了一个测试函数,把各种边界输入喂给解析器,并将输出与预期结果进行对比。

词源 Etymology

test 原义与“检验、试金”相关,词形经由古法语进入英语,后来引申为“测试、考验”。function 来自拉丁语 functio(“履行、执行”之意),在数学与计算机语境中固定为“函数/功能单元”。合在一起,test function 就是“用于执行测试的函数”。

相关词 Related Words

文学与作品 Literary Works

  • The C Programming Language(Brian W. Kernighan & Dennis M. Ritchie)在讲解示例程序与验证代码行为时常出现“test function”这一表达。
  • Introduction to Algorithms(Thomas H. Cormen 等)讨论算法正确性与实验验证时可见“test function/ testing function”的用法。
  • Théorie des distributions / Theory of Distributions(Laurent Schwartz)在分布论语境中,“test function(测试函数)”是核心术语,用于与“distribution(分布)”配对使用。
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