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; Copyright (c) Rich Hickey. All rights reserved.
; The use and distribution terms for this software are covered by the
; Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
; which can be found in the file epl-v10.html at the root of this distribution.
; By using this software in any fashion, you are agreeing to be bound by
; the terms of this license.
; You must not remove this notice, or any other, from this software.
; Author: Ambrose Bonnaire-Sergeant
(ns clojure.test-clojure.fn
(:use clojure.test))
(deftest fn-error-checking
(testing "bad arglist"
(is (fails-with-cause? java.lang.IllegalArgumentException
#"Parameter declaration a should be a vector"
(eval '(fn "a" a)))))
(testing "treat first param as args"
(is (fails-with-cause? java.lang.IllegalArgumentException
#"Parameter declaration a should be a vector"
(eval '(fn "a" [])))))
(testing "looks like listy signature, but malformed declaration"
(is (fails-with-cause? java.lang.IllegalArgumentException
#"Parameter declaration 1 should be a vector"
(eval '(fn (1))))))
(testing "checks each signature"
(is (fails-with-cause? java.lang.IllegalArgumentException
#"Parameter declaration a should be a vector"
(eval '(fn
([a] 1)
("a" 2))))))
(testing "correct name but invalid args"
(is (fails-with-cause? java.lang.IllegalArgumentException
#"Parameter declaration a should be a vector"
(eval '(fn a "a")))))
(testing "first sig looks multiarity, rest of sigs should be lists"
(is (fails-with-cause? java.lang.IllegalArgumentException
#"Invalid signature \[a b\] should be a list"
(eval '(fn a
([a] 1)
[a b])))))
(testing "missing parameter declaration"
(is (fails-with-cause? java.lang.IllegalArgumentException
#"Parameter declaration missing"
(eval '(fn a))))
(is (fails-with-cause? java.lang.IllegalArgumentException
#"Parameter declaration missing"
(eval '(fn))))))
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