1 files changed, 117 insertions, 0 deletions
diff --git a/test/clojure/test_clojure/clojure_set.clj b/test/clojure/test_clojure/clojure_set.clj
new file mode 100644
index 00000000..9faf3410
--- /dev/null
+++ b/test/clojure/test_clojure/clojure_set.clj
@@ -0,0 +1,117 @@
+;;  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.test-clojure.clojure-set
+  (:use clojure.test)
+  (:require [clojure.set :as set]))
+
+
+(deftest test-union
+  (are [x y] (= x y)
+      (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 [x y] (= x y)
+      ; 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
+