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。
I usually work by making small changes to the code and then testing the new code before I move on.
我的工作通常是在向前进展之前，在核心组件做一个小的变化然后测试新的代码。
Quality: Testing code can be one of the most efficient ways to find defects in your application.
质量：测试代码是找到你的程序中缺陷的最有效率的方法之一。
You can download the code for the testing tools from this article.
您可以从本文下载这些测试工具的代码。
Another important aspect of ensuring code quality is component testing, which is an activity that occurs during development.
保证代码质量的另外一个重要的方面就是组件测试，这一项工作在开发中经常出现。
The next step beyond testing code is measuring the tests with a code coverage tool.
对代码进行测试的下一步是用代码覆盖工具对测试进行度量。
When designing and building GWT applications, you must think about testing the code without relying on user interactions.
在设计和构建GWT应用程序时，您必须清楚不要依赖用户界面测试代码。
Most developers, whether they test their code or not, have at least gotten a lecture about testing code at some point.
大部分开发人员(不管他们是否测试自己的代码)至少都了解过关于代码测试的课程。
While services are good and can make your applications more flexible, they also increase the complexity of your code base and testing strategy.
尽管服务很好，它能够使你的应用更灵活，但它也增加了你代码基础和测试策略的复杂性。
Successful projects have a healthy group of individuals and companies submitting code, writing documentation, and testing new features.
成功的开源项目都有一批活跃的个人和公司在贡献代码，编写文档，测试新功能。
One of the most critical measurements for testing is code coverage.
代码覆盖率就是最重要的测试指标之一。
More support for testing whether code does or doesn't throw an exception.
为测试提供了更多的支持，无论代码是否抛出异常。
You may be testing this code to see the results of this effort firsthand.
您可以测试这段代码以直接查看这次尝试的结果。
You still need to design a sound application and develop it with solid and reusable code and thorough testing.
您仍需要设计一个完善的应用程序，用可重复使用的可靠代码开发它，并对其进行彻底测试。
Developers are responsible for the quality of their code, doing the testing needed.
开发人员进行必要的测试，他们对他们的代码质量负责。
At the same time, recording all test scenarios can create duplicate test code when you're testing similar scenarios.
同时，在测试与以前类似的场景时，记录所有测试场景会创建重复的测试代码。
If a unit test is harder to write than the code it is testing, it might be a functional test.
如果编写单元测试比编写其所测试的代码更难，则它可能是功能测试。
Download the code for the testing tools from this article.
可从本文下载测试工具的代码。
Developers also like WTE because any code that is changed during testing is automatically incorporated into the original code.
开发者也喜欢wte，因为在测试期间更改的任何代码都会自动并入原始代码中。
In this column, I'll show you the basics of adding assertions to your code, demonstrating a couple of different ways to enable and disable them for optimum code testing and performance.
在本专栏文章中，通过演示两种不同的方式来启用和禁用断言以便优化代码测试和性能，我将向您讲述一些有关向代码中添加断言的基本知识。
Unfortunately, code coverage testing only makes sure you're executing all the code you'd like to test.
不幸的是，代码覆盖测试只能确保您想要测试的所有代码得到执行。
Developers need to design applications with testing in mind, and must be responsible for testing their code.
开发人员需要在设计过程中考虑到测试，并必须对测试他们的代码负责。
Your job is easier if you have the freedom to refactor the code you're testing.
如果能够自由地重构正在测试的代码，您的工作会简单些。
After testing out this code against some popular browsers, Listing 3 shows aggregated results.
在一些常用浏览器中测试过此代码后，就会出现清单3中所示的综合结果。
In most cases, simple test functions are more than adequate for testing code.
在大多数情况下，简单的测试函数对测试代码来说已经足够了。
We explored how the situations arose in the application, and then saw how to best fix the problematic code to make testing possible.
我们还介绍了这些情况是如何出现在应用程序中的，然后介绍了如何恰当地修复这些问题代码来便于进行测试。
Since the online store was already live, we would never roll out new code without first testing it and gathering detail metrics.
由于在线商店已经上线了，我们只有在对新代码进行测试以及搜集数据之后才能发布。
As the code base grows, manual testing becomes an impossible task, and every code change made, big or small, could affect the entire application.
随着代码库的增长，手动测试已经变成不可能完成的任务，无论是大是小，所有代码的变化都会对整个应用程序产生影响。
Performing integration testing on code supplied from multiple sources is quite different from testing code from a single source.
对多来源的代码进行集成测试与对单来源的代码进行集成测试是很不同的。
Although the tools help identify problems and increase code quality, they are merely an aid, not a replacement for manual code reviews and testing.
尽管工具可以帮助您识别问题并提高代码的质量，但是它们仅仅是一个辅助手段，而不能替代手动人工的代码评审与测试操作。
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