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;; Copyright (c) Frantisek Sodomka. 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.
(ns clojure.contrib.test-clojure.clojure-set
(:use clojure.contrib.test-is)
(:require [clojure.set :as set]))
(deftest test-union
(are (= _1 _2)
(set/union) #{}
; identity
(set/union #{}) #{}
(set/union #{1}) #{1}
(set/union #{1 2 3}) #{1 2 3}
; 2 sets, at least one is empty
(set/union #{} #{}) #{}
(set/union #{} #{1}) #{1}
(set/union #{} #{1 2 3}) #{1 2 3}
(set/union #{1} #{}) #{1}
(set/union #{1 2 3} #{}) #{1 2 3}
; 2 sets
(set/union #{1} #{2}) #{1 2}
(set/union #{1} #{1 2}) #{1 2}
(set/union #{2} #{1 2}) #{1 2}
(set/union #{1 2} #{3}) #{1 2 3}
(set/union #{1 2} #{2 3}) #{1 2 3}
; 3 sets, some are empty
(set/union #{} #{} #{}) #{}
(set/union #{1} #{} #{}) #{1}
(set/union #{} #{1} #{}) #{1}
(set/union #{} #{} #{1}) #{1}
(set/union #{1 2} #{2 3} #{}) #{1 2 3}
; 3 sets
(set/union #{1 2} #{3 4} #{5 6}) #{1 2 3 4 5 6}
(set/union #{1 2} #{2 3} #{1 3 4}) #{1 2 3 4}
; different data types
(set/union #{1 2} #{:a :b} #{nil} #{false true} #{\c "abc"} #{[] [1 2]}
#{{} {:a 1}} #{#{} #{1 2}})
#{1 2 :a :b nil false true \c "abc" [] [1 2] {} {:a 1} #{} #{1 2}}
; different types of sets
(set/union (hash-set) (hash-set 1 2) (hash-set 2 3))
(hash-set 1 2 3)
(set/union (sorted-set) (sorted-set 1 2) (sorted-set 2 3))
(sorted-set 1 2 3)
(set/union (hash-set) (hash-set 1 2) (hash-set 2 3)
(sorted-set) (sorted-set 4 5) (sorted-set 5 6))
(hash-set 1 2 3 4 5 6) ; also equals (sorted-set 1 2 3 4 5 6)
))
(deftest test-intersection
; at least one argument is needed
(is (thrown? IllegalArgumentException (set/intersection)))
(are (= _1 _2)
; identity
(set/intersection #{}) #{}
(set/intersection #{1}) #{1}
(set/intersection #{1 2 3}) #{1 2 3}
; 2 sets, at least one is empty
(set/intersection #{} #{}) #{}
(set/intersection #{} #{1}) #{}
(set/intersection #{} #{1 2 3}) #{}
(set/intersection #{1} #{}) #{}
(set/intersection #{1 2 3} #{}) #{}
; 2 sets
(set/intersection #{1 2} #{1 2}) #{1 2}
(set/intersection #{1 2} #{3 4}) #{}
(set/intersection #{1 2} #{1}) #{1}
(set/intersection #{1 2} #{2}) #{2}
(set/intersection #{1 2 4} #{2 3 4 5}) #{2 4}
; 3 sets, some are empty
(set/intersection #{} #{} #{}) #{}
(set/intersection #{1} #{} #{}) #{}
(set/intersection #{1} #{1} #{}) #{}
(set/intersection #{1} #{} #{1}) #{}
(set/intersection #{1 2} #{2 3} #{}) #{}
; 3 sets
(set/intersection #{1 2} #{2 3} #{5 2}) #{2}
(set/intersection #{1 2 3} #{1 3 4} #{1 3}) #{1 3}
(set/intersection #{1 2 3} #{3 4 5} #{8 2 3}) #{3}
; different types of sets
(set/intersection (hash-set 1 2) (hash-set 2 3)) #{2}
(set/intersection (sorted-set 1 2) (sorted-set 2 3)) #{2}
(set/intersection
(hash-set 1 2) (hash-set 2 3)
(sorted-set 1 2) (sorted-set 2 3)) #{2} ))
; difference
;
; select
; project
; rename-keys
; rename
; index
; map-invert
; join
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