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;;; mwheel-tests.el --- tests for mwheel.el -*- lexical-binding:t -*-
;; Copyright (C) 2020 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Code:
(require 'ert)
(require 'mwheel)
(ert-deftest mwheel-test-enable/disable ()
(mouse-wheel-mode 1)
(should (eq (lookup-key (current-global-map) '[mouse-4]) 'mwheel-scroll))
(mouse-wheel-mode -1)
(should (eq (lookup-key (current-global-map) '[mouse-4]) nil)))
(ert-deftest mwheel-test--create-scroll-keys ()
(should (equal (mouse-wheel--create-scroll-keys 10 'mouse-4)
'([mouse-4]
[left-margin mouse-4] [right-margin mouse-4]
[left-fringe mouse-4] [right-fringe mouse-4]
[vertical-scroll-bar mouse-4] [horizontal-scroll-bar mouse-4]
[mode-line mouse-4] [header-line mouse-4])))
;; Don't bind modifiers outside of buffer area (e.g. for fringes).
(should (equal (mouse-wheel--create-scroll-keys '((shift) . 1) 'mouse-4)
'([(shift mouse-4)])))
(should (equal (mouse-wheel--create-scroll-keys '((control) . 9) 'mouse-7)
'([(control mouse-7)])))
(should (equal (mouse-wheel--create-scroll-keys '((meta) . 5) 'mouse-5)
'([(meta mouse-5)]))))
;;; mwheel-tests.el ends here
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