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Add test for fnil #29

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Merged
merged 1 commit into from
Dec 25, 2024
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Add test for fnil #29

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31 changes: 31 additions & 0 deletions test/clojure/core_test/fnil.cljc
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Original file line number Diff line number Diff line change
@@ -0,0 +1,31 @@
(ns clojure.core-test.fnil
(:require [clojure.test :as t]))

(defn test-fn [& x]
(into [] x))

(def arg 'not-nil)

(t/deftest fnil-test
(let [arity-1 (fnil test-fn 100)]
(t/is (= [100] (arity-1 nil)))
(t/is (= [arg] (arity-1 arg))))
(let [arity-2 (fnil test-fn 100 200)]
(t/is (= [100 200] (arity-2 nil nil)))
(t/is (= [arg 200] (arity-2 arg nil)))
(t/is (= [100 arg] (arity-2 nil arg)))
(t/is (= [arg arg] (arity-2 arg arg))))
(let [arity-3 (fnil test-fn 100 200 300)]
(t/is (= [100 200 300] (arity-3 nil nil nil)))
(t/is (= [arg 200 300] (arity-3 arg nil nil)))
(t/is (= [100 arg 300] (arity-3 nil arg nil)))
(t/is (= [100 200 arg] (arity-3 nil nil arg)))
(t/is (= [arg arg 300] (arity-3 arg arg nil)))
(t/is (= [100 arg arg] (arity-3 nil arg arg)))
(t/is (= [arg 200 arg] (arity-3 arg nil arg)))
(t/is (= [arg arg arg] (arity-3 arg arg arg))))
(let [arity-+ (fnil test-fn 100 200 300)]
(t/is (= [100 200 300 arg] (arity-+ nil nil nil arg)))
(t/is (= [arg 200 300 arg] (arity-+ arg nil nil arg)))
(t/is (= [100 arg 300 arg] (arity-+ nil arg nil arg)))
(t/is (= [100 200 arg arg] (arity-+ nil nil arg arg)))))
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