[TIR]cleancode 7,8,9 중간점검

DAY 19일차

 

1. What is better, to throw Exceptions or return error codes? /Exceptions

 

2.When should we write try/catch/finally? * / First, before we write any code.

 

3.What kind of information should our error messages have? * /The operation that failed, type of failure, more information about the error.

 

4.Why shouldn’t we return ‘null’ from methods/functions? */We might forget to check for null and can easily have null pointer exceptions.

5.s passing ‘null’ as an argument a good practice? * / No

 

6.Having dirty tests can be worse than having no tests at all. * / True

 

7.Test code is as important as production code. * / True

8.How many concepts should a test function test? * / One

 

9.Should tests depend on each other * / No

10.What output should a test have? * / Boolean

7~9장에 대한 중간점검 퀴즈를 풀어보았다. TDD개발방법에 대해서 더 생각해보고 예외처리, unit test code 작성에 대해서 더 생각해볼수있는 챕터였다.