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;;; mouse-tests.el --- unit tests for mouse.el -*- lexical-binding: t; -*-
;; Copyright (C) 2016-2018 Free Software Foundation, Inc.
;; Author: Philipp Stephani <phst@google.com>
;; 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/>.
;;; Commentary:
;; Unit tests for lisp/mouse.el.
;;; Code:
(ert-deftest bug23288-use-return-value ()
"If `mouse-on-link-p' returns a string, its first character is used."
(cl-letf ((last-input-event '(down-mouse-1 nil 1))
(unread-command-events '((mouse-1 nil 1)))
(mouse-1-click-follows-link t)
(mouse-1-click-in-non-selected-windows t)
((symbol-function 'mouse-on-link-p) (lambda (_pos) "abc")))
(should-not (mouse--down-1-maybe-follows-link))
(should (equal unread-command-events '(?a)))))
(ert-deftest bug23288-translate-to-mouse-2 ()
"If `mouse-on-link-p' doesn't return a string or vector,
translate `mouse-1' events into `mouse-2' events."
(cl-letf ((last-input-event '(down-mouse-1 nil 1))
(unread-command-events '((mouse-1 nil 1)))
(mouse-1-click-follows-link t)
(mouse-1-click-in-non-selected-windows t)
((symbol-function 'mouse-on-link-p) (lambda (_pos) t)))
(should-not (mouse--down-1-maybe-follows-link))
(should (equal unread-command-events '((mouse-2 nil 1))))))
(ert-deftest bug26816-mouse-frame-movement ()
"Mouse moves relative to frame."
(skip-unless (display-graphic-p))
(let ((frame (selected-frame)))
(set-mouse-position frame 0 0)
(should (equal (mouse-position)
(cons frame (cons 0 0))))))
;;; mouse-tests.el ends here
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