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;;; time-tests.el --- Tests for time.el -*- lexical-binding: t; -*-
;; Copyright (C) 2020-2021 Free Software Foundation, Inc.
;; Author: Stefan Kangas <stefankangas@gmail.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:
(require 'ert)
(require 'ert-x)
(require 'time)
(ert-deftest time-tests-display-time-mail-check-directory ()
(let ((display-time-mail-directory (ert-resource-directory)))
(should (display-time-mail-check-directory))))
(ert-deftest time-tests-display-time-update--load ()
(let ((display-time-load-average 1)
(display-time-load-average-threshold 0))
(display-time-next-load-average)
(should (string-match (rx string-start " "
(+ (| digit "."))
string-end)
(display-time-update--load))))
(let (display-time-load-average)
(should (equal (display-time-update--load) ""))))
(ert-deftest time-tests-display-time-update ()
(let ((display-time-load-average 1)
(display-time-load-average-threshold 0)
display-time-string)
(display-time-update)
(should (string-match (rx string-start
(? digit) digit ":" digit digit
(? (| "AM" "PM"))
" " (+ (| digit "."))
(? " Mail")
" "
string-end)
display-time-string))))
(ert-deftest time-tests-display-time-file-nonempty-p ()
(should (display-time-file-nonempty-p (ert-resource-file "non-empty")))
(should-not (display-time-file-nonempty-p "/non/existent")))
(ert-deftest time-tests-world-clock ()
(save-window-excursion
(world-clock)
(should (equal (buffer-name) world-clock-buffer-name))
(should (string-match "New York" (buffer-string)))))
(ert-deftest time-tests-world-clock/revert-buffer-works ()
(save-window-excursion
(world-clock)
(revert-buffer)
(should (string-match "New York" (buffer-string)))))
(ert-deftest time-tests-emacs-uptime ()
(should (string-match "^[0-9.]+ seconds?$" (emacs-uptime "%S"))))
(ert-deftest time-tests-emacs-init-time ()
(should (string-match "^[0-9.]+ seconds?$" (emacs-init-time))))
(provide 'time-tests)
;;; time-tests.el ends here
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