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01e351de60
* lisp/emacs-lisp/timer.el (run-at-time, run-with-timer): Reject non-nil REPEAT if it is not a non-negative number. (Bug#79227) Doc fixes. * test/lisp/emacs-lisp/timer-tests.el (timer-test-repeat-arg): New test.
88 lines
3.4 KiB
EmacsLisp
88 lines
3.4 KiB
EmacsLisp
;;; timer-tests.el --- tests for timers -*- lexical-binding:t -*-
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;; Copyright (C) 2013-2025 Free Software Foundation, Inc.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(ert-deftest timer-tests-sit-for ()
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(let ((timer-ran nil)
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;; Want sit-for behavior when interactive
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(noninteractive nil))
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(run-at-time '(0 0 0 0)
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nil
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(lambda () (setq timer-ran t)))
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;; The test assumes run-at-time didn't take the liberty of firing
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;; the timer, so assert the test's assumption
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(should (not timer-ran))
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(sit-for 0 t)
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(should timer-ran)))
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(ert-deftest timer-tests-debug-timer-check ()
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;; This function exists only if --enable-checking.
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(skip-unless (fboundp 'debug-timer-check))
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(when (fboundp 'debug-timer-check) ; silence byte-compiler
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(should (debug-timer-check))))
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(ert-deftest timer-test-multiple-of-time ()
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(should (time-equal-p
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(timer-next-integral-multiple-of-time '(0 0 0 1) (1+ (ash 1 53)))
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(list (ash 1 (- 53 16)) 1))))
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(ert-deftest timer-next-integral-multiple-of-time-2 ()
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"Test bug#33071."
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(let* ((tc (current-time))
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(delta-ticks 1000)
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(hz 128000)
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(tce (time-convert tc hz))
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(tc+delta (time-add tce (cons delta-ticks hz)))
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(tc+deltae (time-convert tc+delta hz))
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(tc+delta-ticks (car tc+deltae))
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(tc-nexte (cons (- tc+delta-ticks (% tc+delta-ticks delta-ticks)) hz))
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(nt (timer-next-integral-multiple-of-time
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tc (/ (float delta-ticks) hz)))
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(nte (time-convert nt hz)))
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(should (equal tc-nexte nte))))
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(ert-deftest timer-next-integral-multiple-of-time-3 ()
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"Test bug#33071."
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(let ((nt (timer-next-integral-multiple-of-time '(32770 . 65539) 0.5)))
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(should (time-equal-p 1 nt))))
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(ert-deftest timer-test-repeat-arg ()
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"Test bug#79227."
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(should (run-at-time nil nil 'ignore))
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(should (run-at-time nil 0 'ignore))
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(should (run-at-time nil 1.5 'ignore))
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;; Test REPEAT that is neither nil nor a non-negative number.
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(let ((err (should-error (run-at-time nil t 'ignore))))
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(should (equal err '(error . ("Invalid repetition interval: t"))))
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;; Test REPEAT that is a negative number.
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(setq err (should-error (run-at-time nil -1.5 'ignore)))
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(should (equal err '(error . ("Invalid repetition interval: -1.5")))))
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;; Same tests for run-with-timer.
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(should (run-with-timer 0 nil 'ignore))
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(should (run-with-timer 0 0 'ignore))
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(should (run-with-timer 0 1.5 'ignore))
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(let ((err (should-error (run-with-timer 0 t 'ignore))))
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(should (equal err '(error . ("Invalid repetition interval: t"))))
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(setq err (should-error (run-with-timer 0 -1.5 'ignore)))
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(should (equal err '(error . ("Invalid repetition interval: -1.5"))))))
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;;; timer-tests.el ends here
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