重构前，先检查自己是否有一套可靠的测试机制。这些测试必须有自我的检验能力。

Before you start refactoring, check that you have a solid suite of tests. These tests must be self-checking.

youdao

重构前，先检查自己是否有一套可靠的测试机制。这些测试必须有自我的检验能力。

Before you start refactoring, check that you have a solid suite of tests. These tests must be self-checking.

youdao