e5503751c4
new functions: - duplicate - last - delete - wrap also: - drop support for `list-head` (in favor of `list-first`) - add optional arg to first Change-Id: If3c48d4749a3bc5a853995996fa02a65a4076a10 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6041 Reviewed-by: wpcarro <wpcarro@gmail.com> Autosubmit: wpcarro <wpcarro@gmail.com> Tested-by: BuildkiteCI
103 lines
3.4 KiB
EmacsLisp
103 lines
3.4 KiB
EmacsLisp
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Dependencies
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(require 'ert)
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(require 'list)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Tests
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(setq xs '(1 2 3 4 5))
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(ert-deftest list-length ()
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(should (= 0 (list-length '())))
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(should (= 5 (list-length xs))))
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(ert-deftest list-reduce ()
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(should (= 16 (list-reduce 1 (lambda (x acc) (+ x acc)) xs))))
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(ert-deftest list-map ()
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(should
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(equal '(2 4 6 8 10)
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(list-map (lambda (x) (* x 2)) xs))))
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(ert-deftest list-xs-distinct-by? ()
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(should
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(equal t (list-xs-distinct-by?
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(lambda (x) (plist-get x :kbd))
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'((:kbd "C-a" :name "foo")
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(:kbd "C-b" :name "foo"))))))
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(ert-deftest list-dedupe-adjacent ()
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(should (equal '(1 2 3 4 3 5)
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(list-dedupe-adjacent '(1 1 1 2 2 3 4 4 3 5 5)))))
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(ert-deftest list-contains? ()
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;; Assert returns t or nil
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(should (equal t (list-contains? 1 xs)))
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(should (equal nil (list-contains? 100 xs))))
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(ert-deftest list-join ()
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(should (equal "foo-bar-baz"
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(list-join "-" '("foo" "bar" "baz")))))
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(ert-deftest list-chunk ()
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(should (equal '((1 2 3 4 5 6))
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(list-chunk 7 '(1 2 3 4 5 6))))
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(should (equal '((1) (2) (3) (4) (5) (6))
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(list-chunk 1 '(1 2 3 4 5 6))))
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(should (equal '((1 2 3) (4 5 6))
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(list-chunk 3 '(1 2 3 4 5 6))))
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(should (equal '((1 2) (3 4) (5 6))
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(list-chunk 2 '(1 2 3 4 5 6)))))
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(ert-deftest list-find ()
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(should (equal 2 (list-find (lambda (x) (= 2 x)) '(1 2 3 4)))))
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(ert-deftest list-all? ()
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(should (equal t (list-all? (lambda (x) (= 2 x)) nil)))
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(should (null (list-all? (lambda (x) (= 2 x)) '(1 2 3))))
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(should (equal t (list-all? (lambda (x) (= 2 x)) '(2 2 2 2)))))
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(ert-deftest list-any? ()
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(should (null (list-any? (lambda (x) (= 2 x)) nil)))
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(should (equal t (list-any? (lambda (x) (= 2 x)) '(1 2 3))))
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(should (null (list-any? (lambda (x) (= 4 x)) '(1 2 3)))))
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(ert-deftest list-duplicate ()
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(should (equal '() (list-duplicate 0 "hello")))
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(should (equal '("hi") (list-duplicate 1 "hi")))
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(should (equal '("bye" "bye") (list-duplicate 2 "bye")))
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(should (equal '((1 2) (1 2) (1 2)) (list-duplicate 3 '(1 2)))))
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(ert-deftest list-first ()
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(should (null (list-first '())))
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(should (equal 1 (list-first '() 1)))
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(should (equal 1 (list-first '(1))))
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(should (equal 1 (list-first '(1) 2)))
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(should (equal 1 (list-first '(1 2 3)))))
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(ert-deftest list-last ()
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(should (null (list-last '())))
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(should (equal 1 (list-last '() 1)))
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(should (equal 1 (list-last '(1))))
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(should (equal 1 (list-last '(1) 2)))
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(should (equal 3 (list-last '(1 2 3)))))
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(ert-deftest list-wrap ()
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(should (equal '("hello") (list-wrap "hello")))
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(should (equal '(1 2 3) (list-wrap '(1 2 3))))
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(should (equal '() (list-wrap nil))))
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(ert-deftest list-delete ()
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(should (equal '(b c) (list-delete 'a '(a b c))))
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(should (equal '(a b c) (list-delete 'd '(a b c))))
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(should (equal '(a b c) (list-delete 'b '(a b b c))))
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(should (equal '() (list-delete 'b '()))))
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;; TODO(wpcarro): Supoprt this.
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;; (ert-deftest list-zip ()
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;; (should (equal '((1 3 5) (2 4 6)) (list-zip '(1 2) '(3 4) '(5 6))))
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;; (should (equal '((1 3 5)) (list-zip '(1 2) '(3) '(5 6)))))
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