{"comment":{"url":"https://api.github.com/repos/PeiChingChang/TDDHW2/comments/15577245","html_url":"https://github.com/PeiChingChang/TDDHW2/commit/417937ca3a637bb0dbff8316a1a27b8b5d4e2497#commitcomment-15577245","id":15577245,"user":{"login":"hatelove","id":1528587,"avatar_url":"https://avatars.githubusercontent.com/u/1528587?v=3","gravatar_id":"","url":"https://api.github.com/users/hatelove","html_url":"https://github.com/hatelove","followers_url":"https://api.github.com/users/hatelove/followers","following_url":"https://api.github.com/users/hatelove/following{/other_user}","gists_url":"https://api.github.com/users/hatelove/gists{/gist_id}","starred_url":"https://api.github.com/users/hatelove/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hatelove/subscriptions","organizations_url":"https://api.github.com/users/hatelove/orgs","repos_url":"https://api.github.com/users/hatelove/repos","events_url":"https://api.github.com/users/hatelove/events{/privacy}","received_events_url":"https://api.github.com/users/hatelove/received_events","type":"User","site_admin":false},"position":5,"line":14,"path":"ShoppingCart/ShoppingCart/ShoppingCart.cs","commit_id":"417937ca3a637bb0dbff8316a1a27b8b5d4e2497","created_at":"2016-01-21T06:08:59Z","updated_at":"2016-01-21T06:08:59Z","body":"好習慣，但在TDD裡面，這一個判斷式是多的。\r\n原因是，你如果有防呆的判斷，就該給個防呆的 test case，例如傳進來一個 count = 0 的 books，期望會得到0元的結果。"}}