;; Copyright (C) 2012 Free Software Foundation, Inc.

;; Author: Aidan Kehoe <kehoea@parhasard.net>
;; Maintainers: Aidan Kehoe <kehoea@parhasard.net>
;; Created: 2012
;; Keywords: tests

;; This file is part of XEmacs.

;; XEmacs 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.

;; XEmacs 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 XEmacs.  If not, see <http://www.gnu.org/licenses/>.

;;; Synched up with: Not in FSF.

(let* ((map (make-keymap 'help-map-copy))
       (parent-map (make-keymap 'help-map-copy-parent))
       (help-map-copy t)
       (minor-mode-map-alist (acons 'help-map-copy map minor-mode-map-alist)))
  (set-keymap-parent map parent-map)
  (loop for (keys def) on '((shift tab) help-prev-symbol tab
                            help-next-symbol c customize-variable V
                            find-variable-at-point q
                            help-mode-quit f find-function-at-point d
                            describe-function-at-point v
                            describe-variable-at-point i Info-elisp-ref F
                            find-function-at-point Q help-mode-bury button2
                            help-mouse-find-source-or-track p
                            help-prev-section n help-next-section return
                            help-find-source-or-scroll-up)
        by #'cddr
        do (define-key map (vector keys) def))
  (loop for (keys def) on '(u view-scroll-some-lines-down % view-goto-percent
                            \2 digit-argument p view-goto-percent \? 
                            view-search-backward - negative-argument k
                            view-scroll-lines-down backspace scroll-down G
                            view-last-windowful f scroll-up \5
                            digit-argument s view-repeat-search \0
                            digit-argument n view-repeat-search = what-line
                            \\ view-search-backward delete scroll-down \8
                            digit-argument E view-file d
                            view-scroll-some-lines-up \3 digit-argument q
                            view-quit ! shell-command (control j)
                            view-scroll-lines-up (control m)
                            view-scroll-lines-up y view-scroll-lines-down
                            linefeed view-scroll-lines-up g view-goto-line
                            \6 digit-argument t toggle-truncate-lines C
                            view-cleanup-backspaces b scroll-down \1
                            digit-argument P view-buffer return
                            view-scroll-lines-up | shell-command-on-region j
                            view-scroll-lines-up \9 digit-argument \'
                            register-to-point e view-scroll-lines-up \4
                            digit-argument r recenter space scroll-up /
                            view-search-forward N view-buffer m
                            point-to-register h view-mode-describe \7
                            digit-argument
                            find-function-at-point view-mode-describe)
        by #'cddr
        do (define-key parent-map (vector keys) def))
  (Assert (eq (key-binding [F]) 'find-function-at-point)
          "checking normal key lookup works, F")
  (Assert (eq (key-binding [c]) 'customize-variable)
          "checking normal key lookup works, c")
  (Assert (eq (key-binding [\2]) 'digit-argument)
          "checking normal key parent lookup works, \\2")
  (Assert (eq (key-binding [|]) 'shell-command-on-region)
          "checking normal key parent lookup works, |")
  (define-key map [remap find-function-at-point] #'find-file)
  (Assert (eq (key-binding [F]) 'find-file)
          "checking remapped key lookup works, F")
  (Assert (eq (key-binding [f]) 'find-file)
          "checking remapped key lookup works, f")
  (Assert (eq (key-binding [\2]) 'digit-argument)
          "checking normal key parent lookup works, \\2")
  (Assert (eq (key-binding [|]) 'shell-command-on-region)
          "checking normal key parent lookup works, |")
  (Assert (eq (key-binding [find-function-at-point]) 'view-mode-describe)
          "checking remapped function doesn't affect key name mapping")
  (define-key parent-map [remap help-next-symbol] #'find-file)
  (Assert (eq (key-binding [tab]) 'find-file)
          "checking remapping in parent extends to child")
  (Assert (equal (commands-remapped-to 'find-file)
		 '(help-next-symbol find-function-at-point))
	  "checking #'commands-remapped-to is sane")
  (Check-Error wrong-type-argument (commands-remapped-to pi))
  (Check-Error wrong-type-argument (commands-remapped-to 'find-file pi))
  (Check-Error wrong-type-argument (commands-remapped-to 'find-file nil pi))
  (Assert (eq (command-remapping 'find-function-at-point) 'find-file)
	  "checking #'command-remapping is sane")
  (Check-Error wrong-type-argument (command-remapping pi))
  (Check-Error wrong-type-argument (command-remapping 'find-function-at-point
						      pi))
  (Check-Error wrong-type-argument (command-remapping 'find-function-at-point
						      nil pi)))