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3a13472ade
* lisp/emacs-lisp/map.el (map-put): Do not bind the evaluated place expression to a new symbol. * test/lisp/emacs-lisp/map-tests.el: Add a regression test.
339 lines
11 KiB
EmacsLisp
339 lines
11 KiB
EmacsLisp
;;; map-tests.el --- Tests for map.el -*- lexical-binding:t -*-
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;; Copyright (C) 2015-2016 Free Software Foundation, Inc.
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;; Author: Nicolas Petton <nicolas@petton.fr>
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;; Maintainer: emacs-devel@gnu.org
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Tests for map.el
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;;; Code:
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(require 'ert)
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(require 'map)
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(defmacro with-maps-do (var &rest body)
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"Successively bind VAR to an alist, vector and hash-table.
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Each map is built from the following alist data:
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'((0 . 3) (1 . 4) (2 . 5)).
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Evaluate BODY for each created map.
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\(fn (var map) body)"
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(declare (indent 1) (debug t))
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(let ((alist (make-symbol "alist"))
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(vec (make-symbol "vec"))
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(ht (make-symbol "ht")))
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`(let ((,alist (list (cons 0 3)
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(cons 1 4)
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(cons 2 5)))
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(,vec (vector 3 4 5))
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(,ht (make-hash-table)))
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(puthash 0 3 ,ht)
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(puthash 1 4 ,ht)
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(puthash 2 5 ,ht)
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(dolist (,var (list ,alist ,vec ,ht))
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,@body))))
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(ert-deftest test-map-elt ()
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(with-maps-do map
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(should (= 3 (map-elt map 0)))
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(should (= 4 (map-elt map 1)))
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(should (= 5 (map-elt map 2)))
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(should (null (map-elt map -1)))
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(should (null (map-elt map 4)))))
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(ert-deftest test-map-elt-default ()
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(with-maps-do map
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(should (= 5 (map-elt map 7 5)))))
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(ert-deftest test-map-elt-with-nil-value ()
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(should (null (map-elt '((a . 1)
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(b))
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'b
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'2))))
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(ert-deftest test-map-put ()
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(with-maps-do map
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(setf (map-elt map 2) 'hello)
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(should (eq (map-elt map 2) 'hello)))
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(with-maps-do map
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(map-put map 2 'hello)
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(should (eq (map-elt map 2) 'hello)))
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(let ((ht (make-hash-table)))
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(setf (map-elt ht 2) 'a)
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(should (eq (map-elt ht 2)
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'a)))
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(let ((alist '((0 . a) (1 . b) (2 . c))))
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(setf (map-elt alist 2) 'a)
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(should (eq (map-elt alist 2)
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'a)))
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(let ((vec [3 4 5]))
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(should-error (setf (map-elt vec 3) 6))))
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(ert-deftest test-map-put-alist-new-key ()
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"Regression test for Bug#23105."
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(let ((alist '((0 . a))))
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(map-put alist 2 'b)
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(should (eq (map-elt alist 2)
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'b))))
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(ert-deftest test-map-put-return-value ()
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(let ((ht (make-hash-table)))
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(should (eq (map-put ht 'a 'hello) 'hello))))
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(ert-deftest test-map-delete ()
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(with-maps-do map
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(map-delete map 1)
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(should (null (map-elt map 1))))
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(with-maps-do map
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(map-delete map -2)
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(should (null (map-elt map -2)))))
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(ert-deftest test-map-delete-return-value ()
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(let ((ht (make-hash-table)))
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(should (eq (map-delete ht 'a) ht))))
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(ert-deftest test-map-nested-elt ()
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(let ((vec [a b [c d [e f]]]))
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(should (eq (map-nested-elt vec '(2 2 0)) 'e)))
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(let ((alist '((a . 1)
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(b . ((c . 2)
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(d . 3)
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(e . ((f . 4)
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(g . 5))))))))
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(should (eq (map-nested-elt alist '(b e f))
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4)))
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(let ((ht (make-hash-table)))
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(setf (map-elt ht 'a) 1)
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(setf (map-elt ht 'b) (make-hash-table))
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(setf (map-elt (map-elt ht 'b) 'c) 2)
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(should (eq (map-nested-elt ht '(b c))
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2))))
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(ert-deftest test-map-nested-elt-default ()
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(let ((vec [a b [c d]]))
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(should (null (map-nested-elt vec '(2 3))))
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(should (null (map-nested-elt vec '(2 1 1))))
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(should (= 4 (map-nested-elt vec '(2 1 1) 4)))))
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(ert-deftest test-mapp ()
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(should (mapp nil))
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(should (mapp '((a . b) (c . d))))
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(should (mapp '(a b c d)))
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(should (mapp []))
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(should (mapp [1 2 3]))
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(should (mapp (make-hash-table)))
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(should (mapp "hello"))
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(should (not (mapp 1)))
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(should (not (mapp 'hello))))
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(ert-deftest test-map-keys ()
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(with-maps-do map
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(should (equal (map-keys map) '(0 1 2))))
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(should (null (map-keys nil)))
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(should (null (map-keys []))))
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(ert-deftest test-map-values ()
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(with-maps-do map
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(should (equal (map-values map) '(3 4 5)))))
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(ert-deftest test-map-pairs ()
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(with-maps-do map
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(should (equal (map-pairs map) '((0 . 3)
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(1 . 4)
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(2 . 5))))))
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(ert-deftest test-map-length ()
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(let ((ht (make-hash-table)))
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(puthash 'a 1 ht)
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(puthash 'b 2 ht)
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(puthash 'c 3 ht)
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(puthash 'd 4 ht)
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(should (= 0 (map-length nil)))
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(should (= 0 (map-length [])))
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(should (= 0 (map-length (make-hash-table))))
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(should (= 5 (map-length [0 1 2 3 4])))
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(should (= 2 (map-length '((a . 1) (b . 2)))))
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(should (= 4 (map-length ht)))))
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(ert-deftest test-map-copy ()
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(with-maps-do map
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(let ((copy (map-copy map)))
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(should (equal (map-keys map) (map-keys copy)))
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(should (equal (map-values map) (map-values copy)))
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(should (not (eq map copy))))))
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(ert-deftest test-map-apply ()
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(with-maps-do map
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(should (equal (map-apply (lambda (k v) (cons (int-to-string k) v))
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map)
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'(("0" . 3) ("1" . 4) ("2" . 5)))))
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(let ((vec [a b c]))
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(should (equal (map-apply (lambda (k v) (cons (1+ k) v))
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vec)
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'((1 . a)
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(2 . b)
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(3 . c))))))
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(ert-deftest test-map-keys-apply ()
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(with-maps-do map
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(should (equal (map-keys-apply (lambda (k) (int-to-string k))
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map)
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'("0" "1" "2"))))
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(let ((vec [a b c]))
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(should (equal (map-keys-apply (lambda (k) (1+ k))
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vec)
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'(1 2 3)))))
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(ert-deftest test-map-values-apply ()
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(with-maps-do map
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(should (equal (map-values-apply (lambda (v) (1+ v))
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map)
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'(4 5 6))))
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(let ((vec [a b c]))
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(should (equal (map-values-apply (lambda (v) (symbol-name v))
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vec)
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'("a" "b" "c")))))
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(ert-deftest test-map-filter ()
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(with-maps-do map
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(should (equal (map-keys (map-filter (lambda (_k v)
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(<= 4 v))
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map))
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'(1 2)))
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(should (null (map-filter (lambda (k _v)
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(eq 'd k))
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map))))
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(should (null (map-filter (lambda (_k v)
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(eq 3 v))
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[1 2 4 5])))
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(should (equal (map-filter (lambda (k _v)
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(eq 3 k))
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[1 2 4 5])
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'((3 . 5)))))
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(ert-deftest test-map-remove ()
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(with-maps-do map
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(should (equal (map-keys (map-remove (lambda (_k v)
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(>= v 4))
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map))
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'(0)))
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(should (equal (map-keys (map-remove (lambda (k _v)
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(eq 'd k))
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map))
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(map-keys map))))
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(should (equal (map-remove (lambda (_k v)
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(eq 3 v))
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[1 2 4 5])
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'((0 . 1)
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(1 . 2)
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(2 . 4)
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(3 . 5))))
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(should (null (map-remove (lambda (k _v)
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(>= k 0))
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[1 2 4 5]))))
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(ert-deftest test-map-empty-p ()
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(should (map-empty-p nil))
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(should (not (map-empty-p '((a . b) (c . d)))))
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(should (map-empty-p []))
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(should (not (map-empty-p [1 2 3])))
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(should (map-empty-p (make-hash-table)))
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(should (not (map-empty-p "hello")))
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(should (map-empty-p "")))
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(ert-deftest test-map-contains-key ()
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(should (map-contains-key '((a . 1) (b . 2)) 'a))
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(should (not (map-contains-key '((a . 1) (b . 2)) 'c)))
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(should (map-contains-key '(("a" . 1)) "a"))
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(should (not (map-contains-key '(("a" . 1)) "a" #'eq)))
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(should (map-contains-key [a b c] 2))
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(should (not (map-contains-key [a b c] 3))))
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(ert-deftest test-map-some ()
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(with-maps-do map
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(should (map-some (lambda (k _v)
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(eq 1 k))
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map))
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(should-not (map-some (lambda (k _v)
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(eq 'd k))
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map)))
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(let ((vec [a b c]))
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(should (map-some (lambda (k _v)
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(> k 1))
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vec))
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(should-not (map-some (lambda (k _v)
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(> k 3))
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vec))))
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(ert-deftest test-map-every-p ()
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(with-maps-do map
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(should (map-every-p (lambda (k _v)
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k)
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map))
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(should (not (map-every-p (lambda (_k _v)
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nil)
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map))))
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(let ((vec [a b c]))
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(should (map-every-p (lambda (k _v)
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(>= k 0))
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vec))
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(should (not (map-every-p (lambda (k _v)
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(> k 3))
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vec)))))
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(ert-deftest test-map-into ()
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(let* ((alist '((a . 1) (b . 2)))
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(ht (map-into alist 'hash-table)))
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(should (hash-table-p ht))
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(should (equal (map-into (map-into alist 'hash-table) 'list)
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alist))
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(should (listp (map-into ht 'list)))
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(should (equal (map-keys (map-into (map-into ht 'list) 'hash-table))
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(map-keys ht)))
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(should (equal (map-values (map-into (map-into ht 'list) 'hash-table))
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(map-values ht)))
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(should (null (map-into nil 'list)))
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(should (map-empty-p (map-into nil 'hash-table)))
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(should-error (map-into [1 2 3] 'string))))
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(ert-deftest test-map-let ()
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(map-let (foo bar baz) '((foo . 1) (bar . 2))
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(should (= foo 1))
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(should (= bar 2))
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(should (null baz)))
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(map-let (('foo a)
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('bar b)
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('baz c))
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'((foo . 1) (bar . 2))
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(should (= a 1))
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(should (= b 2))
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(should (null c))))
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(ert-deftest test-map-merge-with ()
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(should (equal (map-merge-with 'list #'+
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'((1 . 2))
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'((1 . 3) (2 . 4))
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'((1 . 1) (2 . 5) (3 . 0)))
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'((3 . 0) (2 . 9) (1 . 6)))))
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(provide 'map-tests)
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;;; map-tests.el ends here
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