test/lisp/mouse-tests.el

   1 ;;; mouse-tests.el --- unit tests for mouse.el       -*- lexical-binding: t; -*-
   2
   3 ;; Copyright (C) 2016-2017 Free Software Foundation, Inc.
   4
   5 ;; Author: Philipp Stephani <phst@google.com>
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU Emacs is free software: you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation, either version 3 of the License, or
  12 ;; (at your option) any later version.
  13
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  21
  22 ;;; Commentary:
  23
  24 ;; Unit tests for lisp/mouse.el.
  25
  26 ;;; Code:
  27
  28 (ert-deftest bug23288-use-return-value ()
  29   "If ‘mouse-on-link-p’ returns a string, its first character is
  30 used."
  31   (cl-letf ((last-input-event '(down-mouse-1 nil 1))
  32             (unread-command-events '((mouse-1 nil 1)))
  33             (mouse-1-click-follows-link t)
  34             (mouse-1-click-in-non-selected-windows t)
  35             ((symbol-function 'mouse-on-link-p) (lambda (_pos) "abc")))
  36     (should-not (mouse--down-1-maybe-follows-link))
  37     (should (equal unread-command-events '(?a)))))
  38
  39 (ert-deftest bug23288-translate-to-mouse-2 ()
  40   "If ‘mouse-on-link-p’ doesn’t return a string or vector,
  41 translate ‘mouse-1’ events into ‘mouse-2’ events."
  42   (cl-letf ((last-input-event '(down-mouse-1 nil 1))
  43             (unread-command-events '((mouse-1 nil 1)))
  44             (mouse-1-click-follows-link t)
  45             (mouse-1-click-in-non-selected-windows t)
  46             ((symbol-function 'mouse-on-link-p) (lambda (_pos) t)))
  47     (should-not (mouse--down-1-maybe-follows-link))
  48     (should (equal unread-command-events '((mouse-2 nil 1))))))
  49
  50 (ert-deftest bug26816-mouse-frame-movement ()
  51   "Mouse moves relative to frame."
  52   (skip-unless (display-graphic-p))
  53   (let ((frame (selected-frame)))
  54     (set-mouse-position frame 0 0)
  55     (should (equal (mouse-position)
  56                    (cons frame (cons 0 0))))))
  57
  58
  59 ;;; mouse-tests.el ends here