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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: Frantisek Sodomka, Stephen C. Gilardi
(ns clojure.test-clojure.vars
(:use clojure.test))
; http://clojure.org/vars
; def
; defn defn- defonce
; declare intern binding find-var var
(def ^:dynamic a)
(deftest test-binding
(are [x y] (= x y)
(eval `(binding [a 4] a)) 4 ; regression in Clojure SVN r1370
))
; var-get var-set alter-var-root [var? (predicates.clj)]
; with-in-str with-out-str
; with-open
(deftest test-with-local-vars
(let [factorial (fn [x]
(with-local-vars [acc 1, cnt x]
(while (> @cnt 0)
(var-set acc (* @acc @cnt))
(var-set cnt (dec @cnt)))
@acc))]
(is (= (factorial 5) 120))))
(deftest test-with-precision
(are [x y] (= x y)
(with-precision 4 (+ 3.5555555M 1)) 4.556M
(with-precision 6 (+ 3.5555555M 1)) 4.55556M
(with-precision 6 :rounding CEILING (+ 3.5555555M 1)) 4.55556M
(with-precision 6 :rounding FLOOR (+ 3.5555555M 1)) 4.55555M
(with-precision 6 :rounding HALF_UP (+ 3.5555555M 1)) 4.55556M
(with-precision 6 :rounding HALF_DOWN (+ 3.5555555M 1)) 4.55556M
(with-precision 6 :rounding HALF_EVEN (+ 3.5555555M 1)) 4.55556M
(with-precision 6 :rounding UP (+ 3.5555555M 1)) 4.55556M
(with-precision 6 :rounding DOWN (+ 3.5555555M 1)) 4.55555M
(with-precision 6 :rounding UNNECESSARY (+ 3.5555M 1)) 4.5555M))
(deftest test-settable-math-context
(is (=
(clojure.main/with-bindings
(set! *math-context* (java.math.MathContext. 8))
(+ 3.55555555555555M 1))
4.5555556M)))
; set-validator get-validator
; doc find-doc test
(def stub-me :original)
(deftest test-with-redefs-fn
(let [p (promise)]
(with-redefs-fn {#'stub-me :temp}
(fn []
(.start (Thread. #(deliver p stub-me)))
@p))
(is (= :temp @p))
(is (= :original stub-me))))
(deftest test-with-redefs
(let [p (promise)]
(with-redefs [stub-me :temp]
(.start (Thread. #(deliver p stub-me)))
@p)
(is (= :temp @p))
(is (= :original stub-me))))
(deftest test-with-redefs-throw
(let [p (promise)]
(is (thrown? Exception
(with-redefs [stub-me :temp]
(deliver p stub-me)
(throw (Exception. "simulated failure in with-redefs")))))
(is (= :temp @p))
(is (= :original stub-me))))
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