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;;; hamming-test.el --- Tests for hamming (exercism)
;;; Commentary:
;; Common test data version: 2.0.1 f79dfd7
;;; Code:
(load-file "hamming.el")
(declare-function hamming-distance "hamming.el")
(ert-deftest empty-strands ()
(should (= 0 (hamming-distance "" ""))))
(ert-deftest identical-strands ()
(should (= 0 (hamming-distance "A" "A"))))
(ert-deftest long-identical-strands ()
(should (= 0 (hamming-distance "GGACTGA" "GGACTGA"))))
(ert-deftest complete-distance-in-single-nucleotide-strands ()
(should (= 1 (hamming-distance "A" "G"))))
(ert-deftest complete-distance-in-small-strands ()
(should (= 2 (hamming-distance "AG" "CT"))))
(ert-deftest small-distance-in-small-strands ()
(should (= 1 (hamming-distance "AT" "CT"))))
(ert-deftest small-distance ()
(should (= 1 (hamming-distance "GGACG" "GGTCG"))))
(ert-deftest small-distance-in-long-strands ()
(should (= 2 (hamming-distance "ACCAGGG" "ACTATGG"))))
(ert-deftest non-unique-character-in-first-strand ()
(should (= 1 (hamming-distance "AAA" "AAG"))))
(ert-deftest same-nucleotides-in-different-positions ()
(should (= 2 (hamming-distance "TAG" "GAT"))))
(ert-deftest large-distance ()
(should (= 4 (hamming-distance "GATACA" "GCATAA"))))
(ert-deftest large-distance-in-off-by-one-strand ()
(should (= 9 (hamming-distance "GGACGGATTCTG" "AGGACGGATTCT"))))
(ert-deftest disallow-first-strand-longer ()
(should-error (hamming-distance "AATG" "AAA")))
(ert-deftest disallow-second-strand-longer ()
(should-error (hamming-distance "ATA" "AGTG")))
(provide 'hamming-test)
;;; hamming-test.el ends here
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