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Contents
(ns isbn-verifier-test
(:require [clojure.test :refer [deftest is]]
[isbn-verifier :refer [isbn?]]))
(deftest valid-isbn-number
(is (= true (isbn? "3-598-21508-8"))))
(deftest invalid-isbn-check-digit
(is (= false (isbn? "3-598-21508-9"))))
(deftest valid-isbn-number-with-a-check-digit-of-10
(is (= true (isbn? "3-598-21507-X"))))
(deftest check-digit-is-a-character-other-than-X
(is (= false (isbn? "3-598-21507-A"))))
(deftest invalid-character-in-isbn
(is (= false (isbn? "3-598-2K507-0"))))
(deftest X-is-only-valid-as-a-check-digit
(is (= false (isbn? "3-598-2X507-9"))))
(deftest valid-isbn-without-separating-dashes
(is (= true (isbn? "3598215088"))))
(deftest isbn-without-separating-dashes-and-X-as-check-digit
(is (= true (isbn? "359821507X"))))
(deftest isbn-without-check-digit-and-dashes
(is (= false (isbn? "359821507"))))
(deftest too-long-isbn-and-no-dashes
(is (= false (isbn? "3598215078X"))))
(deftest isbn-without-check-digit
(is (= false (isbn? "3-598-21507"))))
(deftest too-long-isbn
(is (= false (isbn? "3-598-21507-XX"))))
(deftest check-digit-of-X-should-not-be-used-for-0
(is (= false (isbn? "3-598-21515-X"))))
Version data entries
91 entries across 91 versions & 1 rubygems