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;;; test-chime--time=.el --- Tests for chime--time= -*- lexical-binding: t; -*-
;; Copyright (C) 2024-2026 Craig Jennings
;; Author: Craig Jennings <c@cjennings.net>
;; This program 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.
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Unit tests for chime--time= function.
;; Tests timestamp comparison ignoring seconds component.
;;; Code:
(require 'test-bootstrap (expand-file-name "test-bootstrap.el"))
;;; Setup and Teardown
(defun test-chime--time=-setup ()
"Setup test environment."
;; No special setup needed
)
(defun test-chime--time=-teardown ()
"Teardown test environment."
;; No special teardown needed
)
;;; Normal Cases
(ert-deftest test-chime--time=-normal-two-equal-times-returns-true ()
"Test that two timestamps with same day/hour/minute return true."
(test-chime--time=-setup)
(unwind-protect
(let* ((time1 (encode-time 15 30 14 8 11 2025)) ; 2025-11-08 14:30:15
(time2 (encode-time 45 30 14 8 11 2025))) ; 2025-11-08 14:30:45 (different seconds)
(should (chime--time= time1 time2)))
(test-chime--time=-teardown)))
(ert-deftest test-chime--time=-normal-three-equal-times-returns-true ()
"Test that three timestamps with same day/hour/minute return true."
(test-chime--time=-setup)
(unwind-protect
(let* ((time1 (encode-time 10 45 9 8 11 2025))
(time2 (encode-time 20 45 9 8 11 2025))
(time3 (encode-time 55 45 9 8 11 2025)))
(should (chime--time= time1 time2 time3)))
(test-chime--time=-teardown)))
(ert-deftest test-chime--time=-normal-two-different-times-returns-nil ()
"Test that timestamps with different hour/minute return nil."
(test-chime--time=-setup)
(unwind-protect
(let* ((time1 (encode-time 0 30 14 8 11 2025)) ; 14:30
(time2 (encode-time 0 31 14 8 11 2025))) ; 14:31
(should-not (chime--time= time1 time2)))
(test-chime--time=-teardown)))
;;; Boundary Cases
(ert-deftest test-chime--time=-boundary-single-time-returns-true ()
"Test that single timestamp returns true."
(test-chime--time=-setup)
(unwind-protect
(let ((time (encode-time 0 0 12 8 11 2025)))
(should (chime--time= time)))
(test-chime--time=-teardown)))
(ert-deftest test-chime--time=-boundary-empty-list-returns-nil ()
"Test that empty argument list returns nil."
(test-chime--time=-setup)
(unwind-protect
;; Empty list has no elements, unique length is 0, not 1
(should-not (chime--time= ))
(test-chime--time=-teardown)))
(ert-deftest test-chime--time=-boundary-different-days-same-time-returns-nil ()
"Test that same time on different days returns nil."
(test-chime--time=-setup)
(unwind-protect
(let* ((time1 (encode-time 0 30 14 8 11 2025)) ; Nov 8
(time2 (encode-time 0 30 14 9 11 2025))) ; Nov 9
(should-not (chime--time= time1 time2)))
(test-chime--time=-teardown)))
(provide 'test-chime--time=)
;;; test-chime--time=.el ends here
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