import Foundation

@main
enum KakaoPostcodeResultCheck {
    static func main() {
        let result = KakaoPostcodeResult(payload: [
            "zonecode": "01234", "address": "서울 지번 주소", "roadAddress": "다른 도로명 주소"
        ])
        precondition(result?.zonecode == "01234", "preserve leading zero")
        precondition(result?.address == "서울 지번 주소", "use exact address, not roadAddress")
        let exact = KakaoPostcodeResult(payload: ["zonecode": " 01234 ", "address": " 주소 "])
        precondition(exact?.zonecode == " 01234 " && exact?.address == " 주소 ", "do not rewrite values")
        let invalid: [Any] = [
            "not a dictionary", [:], ["address": "주소"], ["zonecode": "01234"],
            ["zonecode": 1234, "address": "주소"], ["zonecode": "01234", "address": 1],
            ["zonecode": "", "address": "주소"], ["zonecode": " \n", "address": "주소"],
            ["zonecode": "01234", "address": ""], ["zonecode": "01234", "address": "\t\n"],
            ["zonecode": NSNull(), "address": "주소"], ["zonecode": "01234", "address": NSNull()]
        ]
        for payload in invalid {
            precondition(KakaoPostcodeResult(payload: payload) == nil, "reject malformed result")
        }
        print("PASS KakaoPostcodeResult: 15 assertions")
    }
}