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1 (ns clojure.contrib.test-greatest-least
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2 (:use clojure.contrib.greatest-least
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3 [clojure.test :only (is deftest run-tests)]))
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4
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5 (deftest test-greatest
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6 (is (nil? (greatest)) "greatest with no arguments is nil")
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7 (is (= 1 (greatest 1)))
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8 (is (= 2 (greatest 1 2)))
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9 (is (= 2 (greatest 2 1)))
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10 (is (= "b" (greatest "aa" "b"))))
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11
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12 (deftest test-greatest-by
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13 (is (nil? (greatest-by identity)) "greatest-by with no arguments is nil")
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14 (is (= "" (greatest-by count "")))
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15 (is (= "a" (greatest-by count "a" "")))
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16 (is (= "a" (greatest-by count "" "a")))
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17 (is (= "aa" (greatest-by count "aa" "b"))))
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18
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19 (deftest test-least
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20 (is (nil? (least)) "least with no arguments is nil")
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21 (is (= 1 (least 1)))
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22 (is (= 1 (least 1 2)))
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23 (is (= 1 (least 2 1)))
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24 (is (= "aa" (least "aa" "b"))))
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25
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26 (deftest test-least-by
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27 (is (nil? (least-by identity)) "least-by with no arguments is nil")
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28 (is (= "" (least-by count "")))
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29 (is (= "" (least-by count "a" "")))
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30 (is (= "" (least-by count "" "a")))
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31 (is (= "b" (least-by count "aa" "b"))))
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32
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33 (deftest test-all-greatest
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34 (is (nil? (all-greatest)) "all-greatest with no arguments is nil")
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35 (is (= (list 1) (all-greatest 1)))
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36 (is (= (list 1 1) (all-greatest 1 1)))
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37 (is (= (list 2) (all-greatest 2 1 1)))
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38 (is (= (list 2) (all-greatest 1 2 1)))
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39 (is (= (list 2) (all-greatest 1 1 2)))
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40 (is (= (list :c) (all-greatest :b :c :a))))
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41
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42 (deftest test-all-greatest-by
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43 (is (nil? (all-greatest-by identity)) "all-greatest-by with no arguments is nil")
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44 (is (= (list "a")) (all-greatest-by count "a"))
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45 (is (= (list "a" "a")) (all-greatest-by count "a" "a"))
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46 (is (= (list "aa")) (all-greatest-by count "aa" "b"))
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47 (is (= (list "aa")) (all-greatest-by count "b" "aa" "c"))
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48 (is (= (list "cc" "aa")) (all-greatest-by count "aa" "b" "cc")))
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49
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50 (deftest test-all-least
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51 (is (nil? (all-least)) "all-least with no arguments is nil")
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52 (is (= (list 1) (all-least 1)))
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53 (is (= (list 1 1) (all-least 1 1)))
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54 (is (= (list 1 1) (all-least 2 1 1)))
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55 (is (= (list 1 1) (all-least 1 2 1)))
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56 (is (= (list 1 1) (all-least 1 1 2)))
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57 (is (= (list :a) (all-least :b :c :a))))
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58
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59 (deftest test-all-least-by
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60 (is (nil? (all-least-by identity)) "all-least-by with no arguments is nil")
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61 (is (= (list "a")) (all-least-by count "a"))
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62 (is (= (list "a" "a")) (all-least-by count "a" "a"))
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63 (is (= (list "b")) (all-least-by count "aa" "b"))
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64 (is (= (list "c" "b")) (all-least-by count "b" "aa" "c"))
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65 (is (= (list "b")) (all-least-by count "aa" "b" "cc")))
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