184 lines
5.9 KiB
EmacsLisp
184 lines
5.9 KiB
EmacsLisp
;;; misc-tests.el --- Tests for misc.el -*- lexical-binding:t -*-
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;; Copyright (C) 2020-2024 Free Software Foundation, Inc.
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;; Author: Stefan Kangas <stefankangas@gmail.com>
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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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(require 'ert)
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(require 'misc)
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(defmacro with-misc-test (original result &rest body)
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(declare (indent 2))
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`(with-temp-buffer
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(insert ,original)
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,@body
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(should (equal (buffer-string) ,result))))
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(ert-deftest misc-test-copy-from-above-command ()
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(with-misc-test "abc\n" "abc\nabc"
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(copy-from-above-command))
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(with-misc-test "abc\n" "abc\nab"
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(copy-from-above-command 2)))
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(ert-deftest misc-test-zap-up-to-char ()
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(with-misc-test "abcde" "cde"
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(goto-char (point-min))
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(zap-up-to-char 1 ?c))
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(with-misc-test "abcde abc123" "c123"
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(goto-char (point-min))
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(zap-up-to-char 2 ?c))
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(let ((case-fold-search t))
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(with-misc-test "abcdeCXYZ" "cdeCXYZ"
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(goto-char (point-min))
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(zap-up-to-char 1 ?C))
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(with-misc-test "abcdeCXYZ" "CXYZ"
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(goto-char (point-min))
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(zap-up-to-char 1 ?C 'interactive))))
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(ert-deftest misc-test-upcase-char ()
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(with-misc-test "abcde" "aBCDe"
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(goto-char (1+ (point-min)))
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(upcase-char 3)))
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(ert-deftest misc-test-forward-to-word ()
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(with-temp-buffer
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(insert " - abc")
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(goto-char (point-min))
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(forward-to-word 1)
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(should (equal (point) 9)))
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(with-temp-buffer
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(insert "a b c")
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(goto-char (point-min))
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(forward-to-word 3)
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(should (equal (point) 6))))
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(ert-deftest misc-test-backward-to-word ()
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(with-temp-buffer
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(insert "abc - ")
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(backward-to-word 1)
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(should (equal (point) 4)))
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(with-temp-buffer
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(insert "a b c")
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(backward-to-word 3)
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(should (equal (point) 1))))
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(ert-deftest misc--duplicate-line ()
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;; Duplicate a line (twice).
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(with-temp-buffer
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(insert "abc\ndefg\nh\n")
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(goto-char 7)
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(duplicate-line 2)
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(should (equal (buffer-string) "abc\ndefg\ndefg\ndefg\nh\n"))
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(should (equal (point) 7)))
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;; Duplicate a line (twice) and move point to the first duplicated line.
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(with-temp-buffer
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(insert "abc\ndefg\nh\n")
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(goto-char 7)
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(let ((duplicate-line-final-position 1)) (duplicate-line 2))
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(should (equal (buffer-string) "abc\ndefg\ndefg\ndefg\nh\n"))
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(should (equal (point) 12)))
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;; Duplicate a line (twice) and move point to the last duplicated line.
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(with-temp-buffer
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(insert "abc\ndefg\nh\n")
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(goto-char 7)
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(let ((duplicate-line-final-position -1)) (duplicate-line 2))
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(should (equal (buffer-string) "abc\ndefg\ndefg\ndefg\nh\n"))
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(should (equal (point) 17)))
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;; Duplicate a non-terminated line.
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(with-temp-buffer
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(insert "abc")
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(goto-char 2)
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(duplicate-line)
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(should (equal (buffer-string) "abc\nabc\n"))
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(should (equal (point) 2))))
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(require 'rect)
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(ert-deftest misc--duplicate-dwim ()
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(let ((duplicate-line-final-position 0)
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(duplicate-region-final-position 0))
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;; Duplicate a line.
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(dolist (final-pos '(0 -1 1))
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(ert-info ((prin1-to-string final-pos) :prefix "final-pos: ")
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(with-temp-buffer
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(insert "abc\ndefg\nh\n")
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(goto-char 7)
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(let ((duplicate-line-final-position final-pos))
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(duplicate-dwim 3))
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(should (equal (buffer-string) "abc\ndefg\ndefg\ndefg\ndefg\nh\n"))
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(let ((delta (* 5 (if (< final-pos 0) 3 final-pos))))
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(should (equal (point) (+ 7 delta)))))))
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;; Duplicate a region.
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(dolist (final-pos '(0 -1 1))
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(ert-info ((prin1-to-string final-pos) :prefix "final-pos: ")
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(with-temp-buffer
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(insert "abCDEFghi")
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(set-mark 3)
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(goto-char 7)
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(transient-mark-mode)
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(should (use-region-p))
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(let ((duplicate-region-final-position final-pos))
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(duplicate-dwim 3))
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(should (equal (buffer-string) "abCDEFCDEFCDEFCDEFghi"))
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(should (region-active-p))
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(let ((delta (* 4 (if (< final-pos 0) 3 final-pos))))
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(should (equal (point) (+ 7 delta)))
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(should (equal (mark) (+ 3 delta)))))))
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;; Duplicate a rectangular region (sparse).
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(with-temp-buffer
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(insert "x\n>a\n>bcde\n>fg\nyz\n")
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(goto-char 4)
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(rectangle-mark-mode)
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(goto-char 15)
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(rectangle-forward-char 1)
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(duplicate-dwim)
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(should (equal (buffer-string) "x\n>a a \n>bcdbcde\n>fg fg \nyz\n"))
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(should (equal (point) 24))
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(should (region-active-p))
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(should rectangle-mark-mode)
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(should (equal (mark) 4)))
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;; Idem (dense).
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(dolist (final-pos '(0 -1 1))
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(ert-info ((prin1-to-string final-pos) :prefix "final-pos: ")
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(with-temp-buffer
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(insert "aBCd\neFGh\niJKl\n")
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(goto-char 2)
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(rectangle-mark-mode)
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(goto-char 14)
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(let ((duplicate-region-final-position final-pos))
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(duplicate-dwim 3))
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(should (equal (buffer-string)
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"aBCBCBCBCd\neFGFGFGFGh\niJKJKJKJKl\n"))
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(should (region-active-p))
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(should rectangle-mark-mode)
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(let ((hdelta (* 2 (if (< final-pos 0) 3 final-pos)))
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(vdelta 12))
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(should (equal (point) (+ 14 vdelta hdelta)))
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(should (equal (mark) (+ 2 hdelta)))))))))
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(provide 'misc-tests)
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;;; misc-tests.el ends here
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