Is 100% code coverage a really good thing when doing unit tests? [closed]
问题 I always learned that doing maximum code coverage with unit tests is good . I also hear developers from big companies such as Microsoft saying that they write more lines of testing code than the executable code itself. Now, is it really great? Doesn't it seem sometimes like a complete loss of time which has an only effect to making maintenance more difficult ? For example, let's say I have a method DisplayBooks() which populates a list of books from a database. The product requirements tell