That's what these unit tests are: a set of coded use cases that document what a class does, given a controlled set of inputs.
那就是单元测试：一系列记录类所做工作的用例代码，提供输出控制。
2
When using a coded solution like NUnit, unit testing artifacts must be kept up to date manually.
当使用需要编码的解决方案时，如 NUnit，单元测试工件需要手动地与日期保持同步。
3
If the car is stolen, a coded cellphone signal will tell the unit to block the vehicle's engine management system and prevent the engine being restarted.