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compat-tests.el
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compat-tests.el
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;;; compat-tests.el --- Tests for Compat -*- lexical-binding: t; no-byte-compile: t; -*-
;; Copyright (C) 2021-2024 Free Software Foundation, Inc.
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Tests for compatibility functions from compat.el.
;;
;; Note that all functions are covered by tests. When new functions are
;; added to Compat, they must come with test coverage!
;; Functions are marked with a link to the test suite. The link type
;; `compat-tests' must be registered first by evaluating the following
;; code. If you intend to work on the test suite you can add this code to
;; your init.el.
;;
;; (require 'ol)
;; (org-link-set-parameters
;; "compat-tests"
;; :follow
;; (lambda (link _)
;; (org-link-open-from-string
;; (format "[[file:compat-tests.el::ert-deftest compat-%s ()]]" link))))
;;
;; You can then jump to the links with the command
;; `org-open-at-point-global', ideally bound to a convenient key.
;; The tests are written in a simple, explicit style. Please inspect the
;; tests in order to find out the supported calling conventions. In
;; particular, note the use of `compat-call' to call functions, where the
;; calling convention or behavior changed between Emacs versions.
;; The functions tested here are guaranteed to work on the Emacs versions
;; tested by continuous integration. This includes 24.4, 24.5, 25.1, 25.2,
;; 25.3, 26.1, 26.2, 26.3, 27.1, 27.2, 28.1, 28.2, 29.1 and the current
;; Emacs master branch.
;;; Code:
(require 'compat)
(require 'ert-x)
(require 'subr-x)
(require 'time-date)
(require 'image)
(require 'text-property-search nil t)
;; Setup tramp mock
(require 'tramp)
(add-to-list
'tramp-methods
'("mock"
(tramp-login-program "sh")
(tramp-login-args (("-i")))
(tramp-direct-async ("-c"))
(tramp-remote-shell "/bin/sh")
(tramp-remote-shell-args ("-c"))
(tramp-connection-timeout 10)))
(add-to-list
'tramp-default-host-alist
`("\\`mock\\'" nil ,(system-name)))
(defmacro should-equal (a b)
`(should (equal ,a ,b)))
(defmacro compat-tests--if (cond then &rest else)
(declare (indent 2))
(if (eval cond t) then (macroexp-progn else)))
(ert-deftest compat-loaded-features ()
(let ((version 0))
(while (< version 30)
(should-equal (> version emacs-major-version)
(featurep (intern (format "compat-%s" version))))
(setq version (1+ version)))))
(ert-deftest compat-function ()
(let ((sym (compat-function plist-put)) list)
(should sym)
(should (symbolp sym))
(setq list (funcall sym list "first" 1 #'string=))
(should-equal (compat-call plist-get list "first" #'string=) 1)))
(defconst compat-tests--version (package-get-version))
(ert-deftest compat-package-get-version ()
(should (stringp compat-tests--version))
(should-equal 29 (car (version-to-list compat-tests--version))))
(ert-deftest compat-buffer-match-p ()
(let ((b "*compat-test-buffer*")
(child-mode (make-symbol "child"))
(parent-mode (make-symbol "parent")))
(put child-mode 'derived-mode-parent parent-mode)
(with-current-buffer (get-buffer-create b)
(setq major-mode child-mode))
(should (buffer-match-p t b))
(should-not (buffer-match-p nil b))
(should (buffer-match-p "compat" b))
(should (buffer-match-p #'always b))
(should-not (buffer-match-p #'ignore b))
(should (buffer-match-p `(derived-mode . ,parent-mode) b))
(should-not (buffer-match-p '(derived-mode . text-mode) b))
(should (buffer-match-p `(major-mode . ,child-mode) b))
(should-not (buffer-match-p '(major-mode . prog-mode) b))
(should (buffer-match-p '(not (major-mode . prog-mode)) b))
(should (buffer-match-p `(and (major-mode . ,child-mode) "compat" t) b))
(should (buffer-match-p `(or (major-mode . prog-mode) "foo" t) b))))
(ert-deftest compat-match-buffers ()
(let ((b1 (get-buffer-create "*compat-buffer1*"))
(b2 (get-buffer-create "*compat-buffer2*"))
(b3 (get-buffer-create "*compat-buffer3*"))
(m1 (make-symbol "mode1"))
(m2 (make-symbol "mode2"))
(m3 (make-symbol "mode3")))
(with-current-buffer b1 (setq major-mode m1))
(with-current-buffer b2 (setq major-mode m2))
(with-current-buffer b3 (setq major-mode m3))
(should-equal (list b2 b1)
(match-buffers `(or (major-mode . ,m1) (major-mode . ,m2))
(list b1 b2 b3)))))
(ert-deftest compat-thing-at-mouse ()
(save-window-excursion
(with-temp-buffer
(let ((event `(mouse-1 (,(selected-window) 1 (0 . 0) 0))))
(set-window-buffer nil (current-buffer))
(insert "https://emacs.org/")
(goto-char (point-min))
(should-equal "https://emacs.org/" (thing-at-mouse event 'url))
(should-equal '(1 . 19) (bounds-of-thing-at-mouse event 'url))
(should-not (region-active-p))
(mark-thing-at-mouse event 'url)
(should-equal (point) 19)
(should-equal '((1 . 19)) (region-bounds))
(let ((mouse-select-region-move-to-beginning t))
(mark-thing-at-mouse event 'url))
(should-equal (point) 1)
(should-equal '((1 . 19)) (region-bounds))))))
(ert-deftest compat-dolist-with-progress-reporter ()
(let (y)
(should-equal
(dolist-with-progress-reporter (x '(1 2 3) y) "Reporter"
(push x y))
'(3 2 1)))
(let (y)
(should-equal
(dolist-with-progress-reporter
(x '(1 2 3) y) (make-progress-reporter "Reporter")
(push x y))
'(3 2 1))))
(ert-deftest compat-minibuffer-history-value ()
(let ((minibuffer-history-variable 'file-name-history)
(file-name-history '("a" "b" "c")))
(should-equal (minibuffer-history-value) '("a" "b" "c")))
(let ((file-name-history '("x" "y" "z")))
(should-equal
(catch 'compat-tests--exit
(minibuffer-with-setup-hook
(lambda ()
(message "%S" minibuffer-history-variable)
(throw 'compat-tests--exit (minibuffer-history-value)))
(let ((executing-kbd-macro t))
(completing-read "Prompt: " #'completion-file-name-table
nil nil nil 'file-name-history))))
'("x" "y" "z"))))
(ert-deftest compat-with-minibuffer-selected-window ()
(let (ran)
(should-not (minibuffer-selected-window))
(should-not (with-minibuffer-selected-window
(setq ran t)))
(should-not ran)
(unwind-protect
(progn
(advice-add #'minibuffer-selected-window :override #'selected-window)
(should-equal 'result (with-minibuffer-selected-window
(setq ran t)
'result))
(should ran))
(advice-remove #'minibuffer-selected-window #'selected-window))))
(ert-deftest compat-fixnump ()
(should (fixnump 0))
(should (fixnump most-negative-fixnum))
(should (fixnump most-positive-fixnum)))
(ert-deftest compat-bignump ()
(should-not (bignump 0))
(should-not (bignump most-negative-fixnum))
(should-not (bignump most-positive-fixnum))
(should-equal (bignump (1+ most-positive-fixnum)) (> emacs-major-version 26))
(should-equal (bignump (1- most-negative-fixnum)) (> emacs-major-version 26)))
(ert-deftest compat-buttonize ()
(let ((b (buttonize "button" 'c 'd 'h)))
(should-equal b "button")
(should-equal 'c (get-text-property 0 'action b))
(should-equal 'c (get-text-property 5 'action b))
(should-equal 'd (get-text-property 0 'button-data b))
(should-equal 'd (get-text-property 5 'button-data b))
(should-equal 'h (get-text-property 0 'help-echo b))
(should-equal 'h (get-text-property 5 'help-echo b))))
(ert-deftest compat-obsolete-button-buttonize ()
(let ((b (with-no-warnings (button-buttonize "button" 'c 'd))))
(should-equal b "button")
(should-equal 'c (get-text-property 0 'action b))
(should-equal 'c (get-text-property 5 'action b))
(should-equal 'd (get-text-property 0 'button-data b))
(should-equal 'd (get-text-property 5 'button-data b))))
(ert-deftest compat-buttonize-region ()
(with-temp-buffer
(insert "<button>")
(buttonize-region 2 7 'c 'd 'h)
(should-not (get-text-property 1 'action))
(should-not (get-text-property 7 'action))
(should-equal 'c (get-text-property 2 'action))
(should-equal 'c (get-text-property 6 'action))
(should-equal 'd (get-text-property 2 'button-data))
(should-equal 'd (get-text-property 6 'button-data))
(should-equal 'h (get-text-property 2 'help-echo))
(should-equal 'h (get-text-property 6 'help-echo))))
(ert-deftest compat-with-restriction ()
(with-temp-buffer
(insert "abc")
(with-restriction 2 3 :label 'foo
(should-equal "b" (buffer-string)))
(should-equal "abc" (buffer-string))
(with-restriction 2 3
(should-equal "b" (buffer-string)))
(should-equal "abc" (buffer-string))))
(ert-deftest compat-without-restriction ()
(with-temp-buffer
(insert "abc")
(narrow-to-region 2 3)
(without-restriction :label 'foo
(should-equal "abc" (buffer-string)))
(should-equal "b" (buffer-string))
(without-restriction
(should-equal "abc" (buffer-string)))
(should-equal "b" (buffer-string))))
(ert-deftest compat-with-memoization ()
(let ((x (cons nil nil)) y computed)
(with-memoization (car x)
(setq computed 'a))
(should-equal (car x) 'a)
(should-equal computed 'a)
(with-memoization (car x)
(setq computed 'b))
(should-equal (car x) 'a)
(should-equal computed 'a)
(with-memoization (cdr x)
(setq computed 'c))
(should-equal (cdr x) 'c)
(should-equal computed 'c)
(with-memoization (cdr x)
(setq computed 'd))
(should-equal (cdr x) 'c)
(should-equal computed 'c)
(with-memoization y
(setq computed 'e))
(should-equal y 'e)
(should-equal computed 'e)
(with-memoization y
(setq computed 'f))
(should-equal y 'e)
(should-equal computed 'e)))
(ert-deftest compat-make-separator-line ()
(should-equal (length (make-separator-line 10)) 11)
(should (string-suffix-p "\n" (make-separator-line 10)))
(should (string-suffix-p "\n" (make-separator-line)))
(should-equal (replace-regexp-in-string
"[^\n]" "" (make-separator-line)) "\n"))
(ert-deftest compat-pos-bol ()
(with-temp-buffer
(insert (propertize "one" 'field 1)
(propertize "two" 'field 2)
(propertize "tri" 'field 3)
"\n")
(insert (propertize "one" 'field 1)
(propertize "two" 'field 2)
(propertize "tri" 'field 3)
"\n")
(goto-char 5)
(should-equal (line-beginning-position) 4)
(should-equal (line-end-position) 7)
(should-equal (pos-bol) 1)
(should-equal (pos-eol) 10)
(should-equal (line-beginning-position 1) 4)
(should-equal (line-end-position 1) 7)
(should-equal (pos-bol 1) 1)
(should-equal (pos-eol 1) 10)
(should-equal (line-beginning-position 2) 11)
(should-equal (line-end-position 2) 20)
(should-equal (pos-bol 2) 11)
(should-equal (pos-eol 2) 20)
(goto-char 15)
(should-equal (line-beginning-position) 14)
(should-equal (line-end-position) 17)
(should-equal (pos-bol) 11)
(should-equal (pos-eol) 20)
(should-equal (line-beginning-position 1) 14)
(should-equal (line-end-position 1) 17)
(should-equal (pos-bol 1) 11)
(should-equal (pos-eol 1) 20)
(should-equal (line-beginning-position 0) 1)
(should-equal (line-end-position 0) 10)
(should-equal (pos-bol 0) 1)
(should-equal (pos-eol 0) 10)))
(ert-deftest compat-image-property ()
(let ((image (list 'image)))
;; Add properties.
(setf (image-property image :scale) 1)
(should-equal image '(image :scale 1))
(setf (image-property image :width) 8)
(should-equal image '(image :scale 1 :width 8))
(setf (image-property image :height) 16)
(should-equal image '(image :scale 1 :width 8 :height 16))
;; Delete properties.
(setf (image-property image :type) nil)
(should-equal image '(image :scale 1 :width 8 :height 16))
(setf (image-property image :scale) nil)
(should-equal image '(image :width 8 :height 16))
(setf (image-property image :height) nil)
(should-equal image '(image :width 8))
(setf (image-property image :width) nil)
(should-equal image '(image))))
(ert-deftest compat-read-answer ()
(let ((orig-re (symbol-function #'read-event))
(orig-rc (symbol-function #'read-char))
(orig-rm (symbol-function #'read-from-minibuffer)))
(unwind-protect
(dolist (test '(("Choose "
("first" ?a "first description")
("second" ?b "second description")
("third" ?c))
("Do it? " ("yes" ?y) ("no" ?n))))
(dolist (choice (cdr test))
(fset #'read-char (lambda (&rest _) (cadr choice)))
(fset #'read-event (lambda (&rest _) (cadr choice)))
(fset #'read-from-minibuffer (lambda (&rest _) (car choice)))
(should-equal (car choice) (read-answer (car test) (cdr test)))))
(fset #'read-event orig-re)
(fset #'read-char orig-rc)
(fset #'read-from-minibuffer orig-rm))))
(ert-deftest compat-read-multiple-choice ()
(let ((orig-re (symbol-function #'read-event))
(orig-rc (symbol-function #'read-char))
(orig-cr completing-read-function))
(unwind-protect
(dolist (test '(("Choose"
(?a "first" "first description")
(?b "second" "second description")
(?c "third"))
("Do it?" (?y "yes") (?n "no"))))
(dolist (choice (cdr test))
(fset #'read-char (lambda (&rest _) (car choice)))
(fset #'read-event (lambda (&rest _) (car choice)))
(setq completing-read-function (lambda (&rest _) (cadr choice)))
(should-equal choice (compat-call read-multiple-choice
(car test) (cdr test) nil nil 'long))
(should-equal choice (read-multiple-choice (car test) (cdr test)))))
(fset #'read-event orig-re)
(fset #'read-char orig-rc)
(setq completing-read-function orig-cr))))
(ert-deftest compat-read-char-from-minibuffer ()
(let ((orig (symbol-function #'read-from-minibuffer)))
(unwind-protect
(progn
(fset #'read-from-minibuffer (lambda (&rest _) "a"))
(should-equal ?a (read-char-from-minibuffer
"Prompt: " '(?a ?b ?c) 'read-char-history))
(should-equal ?a (read-char-from-minibuffer "Prompt: " '(?a ?b ?c)))
(should-equal ?a (read-char-from-minibuffer "Prompt: ")))
(fset #'read-from-minibuffer orig))))
(ert-deftest compat-with-environment-variables ()
(let ((A "COMPAT_TESTS__VAR") (B "/foo/bar"))
(should-not (getenv A))
(with-environment-variables ((A B))
(should-equal (getenv A) B))
(should-not (getenv A))))
(ert-deftest compat-window-configuration-equal-p ()
(let ((wc (current-window-configuration)))
(should (window-configuration-equal-p wc wc))
(save-window-excursion
(with-temp-buffer
(pop-to-buffer (current-buffer))
(should-not (window-configuration-equal-p (current-window-configuration) wc))))
(should (window-configuration-equal-p (current-window-configuration) wc))))
(ert-deftest compat-with-window-non-dedicated ()
(unwind-protect
(progn
(should-not (window-dedicated-p))
(set-window-dedicated-p nil t)
(should (window-dedicated-p))
(with-window-non-dedicated nil
(should-not (window-dedicated-p)))
(should (window-dedicated-p)))
(set-window-dedicated-p nil nil)))
(ert-deftest compat-count-windows ()
(should (fixnump (compat-call count-windows)))
(should (fixnump (compat-call count-windows t)))
(should (fixnump (compat-call count-windows t t))))
(ert-deftest compat-recenter ()
(save-window-excursion
(set-window-buffer nil (current-buffer))
(compat-call recenter nil nil)
(compat-call recenter nil t)
(compat-call recenter 1 nil)
(compat-call recenter 1 t)))
(ert-deftest compat-get-display-property ()
(with-temp-buffer
(insert (propertize "foo" 'face 'bold 'display '(height 2.0)))
(should-equal (get-display-property 2 'height) 2.0))
(with-temp-buffer
(insert (propertize "foo" 'face 'bold 'display '((height 2.0)
(space-width 2.0))))
(should-equal (get-display-property 2 'height) 2.0)
(should-equal (get-display-property 2 'space-width) 2.0))
(with-temp-buffer
(insert (propertize "foo bar" 'face 'bold
'display '[(height 2.0)
(space-width 20)]))
(should-equal (get-display-property 2 'height) 2.0)
(should-equal (get-display-property 2 'space-width) 20)))
(ert-deftest compat-add-display-text-property ()
(with-temp-buffer
(insert "Foo bar zot gazonk")
(add-display-text-property 4 8 'height 2.0)
(add-display-text-property 2 12 'raise 0.5)
(should-equal (get-text-property 2 'display) '(raise 0.5))
(should-equal (get-text-property 5 'display)
'((raise 0.5) (height 2.0)))
(should-equal (get-text-property 9 'display) '(raise 0.5)))
(with-temp-buffer
(insert "Foo bar zot gazonk")
(put-text-property 4 8 'display [(height 2.0)])
(add-display-text-property 2 12 'raise 0.5)
(should-equal (get-text-property 2 'display) '(raise 0.5))
(should-equal (get-text-property 5 'display)
[(raise 0.5) (height 2.0)])
(should-equal (get-text-property 9 'display) '(raise 0.5)))
(with-temp-buffer
(should-equal (let ((str (copy-sequence "some useless string")))
(add-display-text-property 4 8 'height 2.0 str)
(add-display-text-property 2 12 'raise 0.5 str)
str)
#("some useless string"
2 4 (display (raise 0.5))
4 8 (display ((raise 0.5) (height 2.0)))
8 12 (display (raise 0.5))))))
(ert-deftest compat-line-number-at-pos ()
(with-temp-buffer
(insert "\n\n\n")
(narrow-to-region (1+ (point-min)) (point-max))
(should-equal 1 (compat-call line-number-at-pos (point-min)))
(should-equal 2 (compat-call line-number-at-pos (1+ (point-min))))
(should-equal 2 (compat-call line-number-at-pos (point-min) 'abs))
(should-equal 3 (compat-call line-number-at-pos (1+ (point-min)) 'abs))))
(defvar compat-tests--map-1
(let ((map (make-sparse-keymap)))
(define-key map (kbd "C-x C-f") #'find-file)
(define-key map (kbd "SPC") #'minibuffer-complete-word)
(define-key map (kbd "RET") #'exit-minibuffer)
(define-key map [remap exit-minibuffer] #'minibuffer-force-complete-and-exit)
(define-key map (kbd "C-c") mode-specific-map)
(define-key map (kbd "s-c") [?\C-c ?\C-c])
(define-key map [t] 'compat-default-command)
map))
(defvar compat-tests--map-2
(let ((map (make-sparse-keymap)))
(keymap-set map "C-x C-f" #'find-file)
(keymap-set map "SPC" #'minibuffer-complete-word)
(keymap-set map "RET" #'exit-minibuffer)
(keymap-set map "<remap> <exit-minibuffer>" #'minibuffer-force-complete-and-exit)
(keymap-set map "C-c" mode-specific-map)
(keymap-set map "s-c" "C-c C-c")
(keymap-set map "<t>" 'compat-default-command)
map))
(defvar-keymap compat-tests--map-3
"C-x C-f" #'find-file
"SPC" #'minibuffer-complete-word
"RET" #'exit-minibuffer
"<remap> <exit-minibuffer>" #'minibuffer-force-complete-and-exit
"C-c" mode-specific-map
"s-c" "C-c C-c"
"<t>" 'compat-default-command)
(defvar compat-tests--map-4
(define-keymap
"C-x C-f" #'find-file
"SPC" #'minibuffer-complete-word
"RET" #'exit-minibuffer
"<remap> <exit-minibuffer>" #'minibuffer-force-complete-and-exit
"C-c" mode-specific-map
"s-c" "C-c C-c"
"<t>" 'compat-default-command))
(ert-deftest compat-defvar-keymap ()
(should-equal compat-tests--map-1 compat-tests--map-2)
(should-equal compat-tests--map-1 compat-tests--map-3)
(should-equal compat-tests--map-1 compat-tests--map-4))
(ert-deftest compat-keymap-set-after ()
(let ((map (make-sparse-keymap)))
(keymap-set-after map "d" 'd "a")
(keymap-set-after map "a" 'a)
(keymap-set-after map "b" 'b)
(keymap-set-after map "c" 'c)
(keymap-set-after map "d" 'd "b") ;; TODO the after argument has no effect?!
(should-equal map '(keymap (?a . a) (?b . b) (?c . c) (?d . d)))))
(ert-deftest compat-keymap-substitute ()
(let ((map (define-keymap
"C-x C-f" #'find-file
"s-f" #'find-file
"C-x b" #'switch-to-buffer)))
(keymap-substitute map #'find-file 'ffap)
(should-equal (keymap-lookup map "C-x b") #'switch-to-buffer)
(should-equal (keymap-lookup map "C-x C-f") 'ffap)
(should-equal (keymap-lookup map "s-f") 'ffap)))
(ert-deftest compat-key-parse ()
(should-equal (key-parse "f") [?f])
(should-equal (key-parse "X") [?X])
(should-equal (key-parse "X f") [?X ?f])
(should-equal (key-parse "<F2>") [F2])
(should-equal (key-parse "<f1> <f2> TAB") [f1 f2 ?\t])
(should-equal (key-parse "<f1> RET") [f1 ?\r])
(should-equal (key-parse "<f1> SPC") [f1 ?\s])
(should-equal (key-parse "<f1>") [f1])
(should-equal (key-parse "<return>") [return])
;; ;; Modifiers:
(should-equal (key-parse "C-x") [?\C-x])
(should-equal (key-parse "C-x a") [?\C-x ?a])
(should-equal (key-parse "C-;") [67108923])
(should-equal (key-parse "C-a") [?\C-a])
(should-equal (key-parse "C-c SPC") [?\C-c ?\s])
(should-equal (key-parse "C-c TAB") [?\C-c ?\t])
(should-equal (key-parse "C-c c") [?\C-c ?c])
(should-equal (key-parse "C-x 4 C-f") [?\C-x ?4 ?\C-f])
(should-equal (key-parse "C-x C-f") [?\C-x ?\C-f])
(should-equal (key-parse "C-M-<down>") [C-M-down])
(should-equal (key-parse "C-RET") [?\C-\r])
(should-equal (key-parse "C-SPC") [?\C-\s])
(should-equal (key-parse "C-TAB") [?\C-\t])
(should-equal (key-parse "C-<down>") [C-down])
(should-equal (key-parse "C-c C-c C-c") [?\C-c ?\C-c ?\C-c])
(should-equal (key-parse "M-a") [?\M-a])
(should-equal (key-parse "M-<DEL>") [?\M-\d])
(should-equal (key-parse "C-M-a") [?\C-\M-a])
(should-equal (key-parse "M-ESC") [?\M-\e])
(should-equal (key-parse "M-RET") [?\M-\r])
(should-equal (key-parse "M-SPC") [?\M-\s])
(should-equal (key-parse "M-TAB") [?\M-\t])
(should-equal (key-parse "M-x a") [?\M-x ?a])
(should-equal (key-parse "M-<up>") [M-up])
(should-equal (key-parse "M-c M-c M-c") [?\M-c ?\M-c ?\M-c])
(should-equal (key-parse "s-SPC") [?\s-\s])
(should-equal (key-parse "s-a") [?\s-a])
(should-equal (key-parse "s-x a") [?\s-x ?a])
(should-equal (key-parse "s-c s-c s-c") [?\s-c ?\s-c ?\s-c])
(should-equal (key-parse "S-a") [?\S-a])
(should-equal (key-parse "S-x a") [?\S-x ?a])
(should-equal (key-parse "S-c S-c S-c") [?\S-c ?\S-c ?\S-c])
(should-equal (key-parse "H-<RET>") [?\H-\r])
(should-equal (key-parse "H-DEL") [?\H-\d])
(should-equal (key-parse "H-a") [?\H-a])
(should-equal (key-parse "H-x a") [?\H-x ?a])
(should-equal (key-parse "H-c H-c H-c") [?\H-\c ?\H-\c ?\H-\c])
(should-equal (key-parse "A-H-a") [?\A-\H-a])
(should-equal (key-parse "A-SPC") [?\A-\s])
(should-equal (key-parse "A-TAB") [?\A-\t])
(should-equal (key-parse "A-a") [?\A-a])
(should-equal (key-parse "A-c A-c A-c") [?\A-c ?\A-c ?\A-c])
(should-equal (key-parse "C-M-a") [?\C-\M-a])
(should-equal (key-parse "C-M-<up>") [C-M-up])
;; ;; Special characters.
(should-equal (key-parse "DEL") [?\d])
(should-equal (key-parse "ESC C-a") [?\e ?\C-a])
(should-equal (key-parse "ESC") [?\e])
(should-equal (key-parse "LFD") [?\n])
(should-equal (key-parse "NUL") [?\0])
(should-equal (key-parse "RET") [?\r])
(should-equal (key-parse "SPC") [?\s])
(should-equal (key-parse "TAB") [?\t])
;; ;; Multibyte
(should-equal (key-parse "ñ") [?ñ])
(should-equal (key-parse "ü") [?ü])
(should-equal (key-parse "ö") [?ö])
(should-equal (key-parse "ğ") [?ğ])
(should-equal (key-parse "ա") [?ա])
(should-equal (key-parse "C-ü") [?\C-ü])
(should-equal (key-parse "M-ü") [?\M-ü])
(should-equal (key-parse "H-ü") [?\H-ü])
;; ;; Handle both new and old style key descriptions (bug#45536).
(should-equal (key-parse "s-<return>") [s-return])
(should-equal (key-parse "C-M-<return>") [C-M-return])
(should-equal (key-parse "<mouse-1>") [mouse-1])
(should-equal (key-parse "<Scroll_Lock>") [Scroll_Lock]))
(ert-deftest compat-keymap--check ()
(keymap--check "X")
(should-error (keymap--check ""))
(should-error (keymap--check " X")))
(ert-deftest compat-key-valid-p ()
(should-not (key-valid-p ""))
(should (key-valid-p "f"))
(should (key-valid-p "X"))
(should-not (key-valid-p " X"))
(should (key-valid-p "X f"))
(should-not (key-valid-p "a b"))
(should-not (key-valid-p "foobar"))
(should-not (key-valid-p "return"))
(should (key-valid-p "<F2>"))
(should (key-valid-p "<f1> <f2> TAB"))
(should (key-valid-p "<f1> RET"))
(should (key-valid-p "<f1> SPC"))
(should (key-valid-p "<f1>"))
(should-not (key-valid-p "[f1]"))
(should (key-valid-p "<return>"))
(should-not (key-valid-p "< right >"))
;; Modifiers:
(should (key-valid-p "C-x"))
(should (key-valid-p "C-x a"))
(should (key-valid-p "C-;"))
(should (key-valid-p "C-a"))
(should (key-valid-p "C-c SPC"))
(should (key-valid-p "C-c TAB"))
(should (key-valid-p "C-c c"))
(should (key-valid-p "C-x 4 C-f"))
(should (key-valid-p "C-x C-f"))
(should (key-valid-p "C-M-<down>"))
(should-not (key-valid-p "<C-M-down>"))
(should (key-valid-p "C-RET"))
(should (key-valid-p "C-SPC"))
(should (key-valid-p "C-TAB"))
(should (key-valid-p "C-<down>"))
(should (key-valid-p "C-c C-c C-c"))
(should (key-valid-p "M-a"))
(should (key-valid-p "M-<DEL>"))
(should-not (key-valid-p "M-C-a"))
(should (key-valid-p "C-M-a"))
(should (key-valid-p "M-ESC"))
(should (key-valid-p "M-RET"))
(should (key-valid-p "M-SPC"))
(should (key-valid-p "M-TAB"))
(should (key-valid-p "M-x a"))
(should (key-valid-p "M-<up>"))
(should (key-valid-p "M-c M-c M-c"))
(should (key-valid-p "s-SPC"))
(should (key-valid-p "s-a"))
(should (key-valid-p "s-x a"))
(should (key-valid-p "s-c s-c s-c"))
(should-not (key-valid-p "S-H-a"))
(should (key-valid-p "S-a"))
(should (key-valid-p "S-x a"))
(should (key-valid-p "S-c S-c S-c"))
(should (key-valid-p "H-<RET>"))
(should (key-valid-p "H-DEL"))
(should (key-valid-p "H-a"))
(should (key-valid-p "H-x a"))
(should (key-valid-p "H-c H-c H-c"))
(should (key-valid-p "A-H-a"))
(should (key-valid-p "A-SPC"))
(should (key-valid-p "A-TAB"))
(should (key-valid-p "A-a"))
(should (key-valid-p "A-c A-c A-c"))
(should (key-valid-p "C-M-a"))
(should (key-valid-p "C-M-<up>"))
;; Special characters.
(should (key-valid-p "DEL"))
(should (key-valid-p "ESC C-a"))
(should (key-valid-p "ESC"))
(should (key-valid-p "LFD"))
(should (key-valid-p "NUL"))
(should (key-valid-p "RET"))
(should (key-valid-p "SPC"))
(should (key-valid-p "TAB"))
(should-not (key-valid-p "\^i"))
(should-not (key-valid-p "^M"))
;; With numbers.
(should-not (key-valid-p "\177"))
(should-not (key-valid-p "\000"))
(should-not (key-valid-p "\\177"))
(should-not (key-valid-p "\\000"))
(should-not (key-valid-p "C-x \\150"))
;; Multibyte
(should (key-valid-p "ñ"))
(should (key-valid-p "ü"))
(should (key-valid-p "ö"))
(should (key-valid-p "ğ"))
(should (key-valid-p "ա"))
(should-not (key-valid-p "üüöö"))
(should (key-valid-p "C-ü"))
(should (key-valid-p "M-ü"))
(should (key-valid-p "H-ü"))
;; Handle both new and old style key descriptions (bug#45536).
(should (key-valid-p "s-<return>"))
(should-not (key-valid-p "<s-return>"))
(should (key-valid-p "C-M-<return>"))
(should-not (key-valid-p "<C-M-return>"))
(should (key-valid-p "<mouse-1>"))
(should (key-valid-p "<Scroll_Lock>"))
(should-not (key-valid-p "c-x"))
(should-not (key-valid-p "C-xx"))
(should-not (key-valid-p "M-xx"))
(should-not (key-valid-p "M-x<TAB>")))
(ert-deftest compat-keymap-lookup ()
(should-not (keymap-lookup compat-tests--map-1 "C-x b"))
(should-equal (keymap-lookup compat-tests--map-1 "C-x C-f") #'find-file)
(should-equal (keymap-lookup compat-tests--map-1 "RET") #'exit-minibuffer)
(should-equal (keymap-lookup compat-tests--map-1 "C-c") mode-specific-map)
(should-equal (keymap-lookup compat-tests--map-1 "s-c") [?\C-c ?\C-c])
(should-not (keymap-lookup compat-tests--map-1 "x"))
(should-equal (keymap-lookup compat-tests--map-1 "x" t) 'compat-default-command))
(ert-deftest compat-keymap-local-lookup ()
(let ((orig (current-local-map)))
(unwind-protect
(progn
(use-local-map compat-tests--map-1)
(should-not (keymap-local-lookup "C-x b"))
(should-equal (keymap-local-lookup "C-x C-f") #'find-file)
(should-equal (keymap-lookup compat-tests--map-1 "RET" nil t) #'exit-minibuffer)
(should-equal (keymap-local-lookup "RET") #'minibuffer-force-complete-and-exit)
(should-equal (keymap-local-lookup "C-c") mode-specific-map)
(should-equal (keymap-local-lookup "s-c") [?\C-c ?\C-c])
(should-not (keymap-local-lookup "x"))
(should-equal (keymap-local-lookup "x" t) 'compat-default-command))
(use-local-map orig))))
(ert-deftest compat-keymap-local-set ()
(let ((orig (current-local-map)))
(unwind-protect
(progn
(use-local-map (make-sparse-keymap))
(should-not (keymap-local-lookup "s-c"))
(should-not (keymap-local-lookup "x"))
(keymap-local-set "s-c" 'test)
(keymap-local-set "<t>" 'default)
(should-equal (keymap-local-lookup "s-c") 'test)
(should-equal (keymap-local-lookup "x" t) 'default)
(should-not (keymap-local-lookup "x")))
(use-local-map orig))
(should-not (keymap-local-lookup "s-c"))))
(ert-deftest compat-keymap-global-set ()
(let ((orig (current-global-map)))
(unwind-protect
(progn
(use-global-map (make-sparse-keymap))
(should-not (keymap-global-lookup "H-c"))
(should-not (keymap-global-lookup "x"))
(keymap-global-set "H-c" 'test)
(keymap-global-set "<t>" 'default)
(should-equal (keymap-global-lookup "H-c") 'test)
(should-equal (keymap-global-lookup "x" t) 'default)
(should-not (keymap-global-lookup "x")))
(use-global-map orig))
(should-not (keymap-global-lookup "H-c"))))
(ert-deftest compat-keymap-global-lookup ()
(should-equal (keymap-global-lookup "C-x b") #'switch-to-buffer)
(should-equal (keymap-global-lookup "C-x C-f") #'find-file)
(should-equal (keymap-global-lookup "C-c") #'mode-specific-command-prefix))
(ert-deftest compat-keymap-unset ()
(let ((map (make-sparse-keymap)))
(define-key map "\M-x" #'execute-extended-command)
(define-key map "\C-x\C-f" #'find-file)
(define-key map "\C-y" #'yank)
(keymap-unset map "M-x")
(keymap-unset map "C-x C-f")
(keymap-unset map "C-y")
(should-equal map '(keymap (25) (24 keymap (6)) (27 keymap (120)))))
(let ((map (make-sparse-keymap)))
(define-key map "\M-x" #'execute-extended-command)
(define-key map "\C-x\C-f" #'find-file)
(define-key map "\C-y" #'yank)
(keymap-unset map "M-x" t)
(keymap-unset map "C-x C-f" t)
(keymap-unset map "C-y" t)
(should-equal map '(keymap (24 keymap) (27 keymap)))))
(ert-deftest compat-keymap-local-unset ()
(let ((map (make-sparse-keymap))
(orig (current-local-map)))
(unwind-protect
(progn
(use-local-map map)
(define-key map "\M-x" #'execute-extended-command)
(define-key map "\C-x\C-f" #'find-file)
(define-key map "\C-y" #'yank)
(keymap-local-unset "M-x")
(keymap-local-unset "C-x C-f" t)
(keymap-local-unset "C-y" t)
(should-equal (current-local-map) '(keymap (24 keymap) (27 keymap (120)))))
(use-local-map orig))))
(ert-deftest compat-keymap-global-unset ()
(let ((map (make-sparse-keymap))
(orig (current-global-map)))
(unwind-protect
(progn
(use-global-map map)
(define-key map "\M-x" #'execute-extended-command)
(define-key map "\C-x\C-f" #'find-file)
(define-key map "\C-y" #'yank)
(keymap-global-unset "M-x")
(keymap-global-unset "C-x C-f" t)
(keymap-global-unset "C-y" t)
(should-equal (current-global-map) '(keymap (24 keymap) (27 keymap (120)))))
(use-global-map orig))))
(ert-deftest compat-define-key ()
(let ((map (make-sparse-keymap)))
(define-key map "\M-x" #'execute-extended-command)
(define-key map "\C-x\C-f" #'find-file)
(define-key map "\C-y" #'yank)
(compat-call define-key map "\M-x" nil t)
(compat-call define-key map "\C-x\C-f" nil t)
(compat-call define-key map "\C-y" nil t)
(should-equal map '(keymap (24 keymap) (27 keymap)))))
(ert-deftest compat-function-alias-p ()
(defun compat-tests--alias-fun ())
(should-not (function-alias-p 1))
(should-not (function-alias-p 'compat-tests--alias-fun))
(defalias 'compat-tests--alias-a 'compat-tests--alias-b)
(defalias 'compat-tests--alias-b 'compat-tests--alias-c)
(should-equal (function-alias-p 'compat-tests--alias-a)
'(compat-tests--alias-b compat-tests--alias-c))
;; Emacs 30 disallows cyclic function aliases
(compat-tests--if (>= emacs-major-version 30)
(should-error
(progn
(defalias 'compat-tests--cyclic-alias-a 'compat-tests--cyclic-alias-b)
(defalias 'compat-tests--cyclic-alias-b 'compat-tests--cyclic-alias-a)))
(defalias 'compat-tests--cyclic-alias-a 'compat-tests--cyclic-alias-b)
(defalias 'compat-tests--cyclic-alias-b 'compat-tests--cyclic-alias-a)
(should-error (function-alias-p 'compat-tests--cyclic-alias-a))
(should-equal (function-alias-p 'compat-tests--cyclic-alias-a 'noerror)
'(compat-tests--cyclic-alias-b))
(should-equal (function-alias-p 'compat-tests--cyclic-alias-a t)
'(compat-tests--cyclic-alias-b))))
(ert-deftest compat-ignore-error ()
(should-equal (ignore-error (end-of-file)
(read ""))
nil)
(should-equal (ignore-error end-of-file
(read ""))
nil)
(should-error (ignore-error foo
(read ""))))
(ert-deftest compat-hash-table-empty-p ()
(should (hash-table-empty-p (make-hash-table)))
(let ((ht (make-hash-table)))
(puthash 'k 'v ht)
(should-not (hash-table-empty-p ht))))
(ert-deftest compat-thread-first ()
(should-equal (thread-first (+ 40 2)) 42)
(should-equal (thread-first
5
(+ 20)
(/ 25)
-
(+ 40)) 39)
(should-equal (thread-first
"this-is-a-string"
(split-string "-")
(nbutlast 2)
(append (list "good")))
(list "this" "is" "good")))
(ert-deftest compat-thread-last ()
(should-equal (thread-last (+ 40 2)) 42)
(should-equal (thread-last
5
(+ 20)
(/ 25)
-
(+ 40)) 39)
(should-equal (thread-last
(list 1 -2 3 -4 5)
(mapcar #'abs)
(cl-reduce #'+)
(format "abs sum is: %s"))
"abs sum is: 15"))
(ert-deftest compat-ntake ()
(should-not (ntake 5 nil))
(should-equal '(1 2) (ntake 5 (list 1 2)))
(should-equal '(1 2 3) (ntake 3 (list 1 2 3 4))))
(ert-deftest compat-take ()
(should-not (take 5 nil))
(should-equal '(1 2) (take 5 '(1 2)))
(should-equal '(1 2 3) (take 3 '(1 2 3 4))))
(ert-deftest compat-format-message ()
(should-equal (format-message "a=%s b=%s" 1 2) "a=1 b=2"))
(defvar compat-tests--boundp)
(defvar compat-tests--global-boundp)
(ert-deftest compat-buffer-local-boundp ()
(let ((buf (generate-new-buffer "boundp")))
(with-current-buffer buf
(setq-local compat-tests--boundp t))
(setq compat-tests--global-boundp t)
(should (buffer-local-boundp 'compat-tests--boundp buf))
(should-not (buffer-local-boundp 'test-not-boundp buf))
(should (buffer-local-boundp 'compat-tests--global-boundp buf))))
(defvar compat-tests--local-a nil)
(defvar compat-tests--local-b nil)
(defvar compat-tests--local-c nil)
(ert-deftest compat-setq-local ()
(compat-call setq-local
compat-tests--local-a 1
compat-tests--local-b 2
compat-tests--local-c 3)
(should-equal compat-tests--local-a 1)
(should-equal compat-tests--local-b 2)
(should-equal compat-tests--local-c 3))
(defvar compat-tests--global)
(defvar compat-tests--local)
(defvar compat-tests--unexist)
(ert-deftest compat-buffer-local-set-state ()
(setq compat-tests--global 1)
(with-temp-buffer
(setq-local compat-tests--local 2)
(let ((state (buffer-local-set-state compat-tests--global 10
compat-tests--local 20
compat-tests--unexist 30)))
(should-equal compat-tests--global 10)