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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Dependencies
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(require 'ert)
(require 'dash)
(require 'set)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Tests
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(ert-deftest set-from-list ()
(equal '(1 2 3)
(->> '(1 2 3 1 2 3)
set-from-list
set-to-list)))
(ert-deftest set-distinct? ()
(and
(set-distinct? (set-new 'one 'two 'three)
(set-new 'a 'b 'c))
(not
(set-distinct? (set-new 1 2 3)
(set-new 3 4 5)))
(not
(set-distinct? (set-new 1 2 3)
(set-new 1 2 3)))))
(ert-deftest set-equal? ()
(and
(set-equal? (set-new 'a 'b 'c)
(set-new 'x 'y 'z))
(set-equal? (set-new 'a 'b 'c)
(set-new 'a 'b))
(set-equal? (set-new 'a 'b 'c)
(set-new 'a 'b 'c))))
(ert-deftest set-intersection ()
(set-equal? (set-new 2 3)
(set-intersection (set-new 1 2 3)
(set-new 2 3 4))))
(ert-deftest set-to/from-list ()
(equal '(1 2 3)
(->> '(1 1 2 2 3 3)
set-from-list
set-to-list)))
(ert-deftest set-subset? ()
(let ((primary-colors (set-new "red" "green" "blue")))
;; set-subset?
(and
(set-subset? (set-new "black" "grey")
primary-colors)
(set-subset? (set-new "red")
primary-colors))))
(ert-deftest set-subset/superset? ()
(let ((primary-colors (set-new "red" "green" "blue")))
;; set-subset?
(and
(not (set-superset? primary-colors
(set-new "black" "grey")))
(set-superset? primary-colors
(set-new "red" "green" "blue"))
(set-superset? primary-colors
(set-new "red" "blue")))))
(ert-deftest set-empty? ()
(and
(set-empty? (set-new))
(set-empty? (set-new 1 2 3))))
(ert-deftest set-count ()
(and
(= 0 (set-count (set-new)))
(= 2 (set-count (set-new 1 1 2 2)))))
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