592ae7ffe2
Like duplicate-line but duplicates the region instead if active. Rectangular regions are duplicated on the right-hand side. The region remains active afterwards, to facilitate further duplication or other operations on the same text. * lisp/rect.el (rectangle--duplicate-right): * lisp/misc.el (duplicate-dwim): New. * test/lisp/misc-tests.el (misc--duplicate-dwim): New test. * etc/NEWS: Announce.
138 lines
3.8 KiB
EmacsLisp
138 lines
3.8 KiB
EmacsLisp
;;; misc-tests.el --- Tests for misc.el -*- lexical-binding:t -*-
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;; Copyright (C) 2020-2022 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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(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 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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;; Duplicate a 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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(duplicate-dwim 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 region.
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(with-temp-buffer
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(insert "abc\ndef\n")
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(set-mark 2)
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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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(duplicate-dwim)
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(should (equal (buffer-string) "abc\ndebc\ndef\n"))
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(should (equal (point) 7))
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(should (region-active-p))
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(should (equal (mark) 2)))
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;; Duplicate a rectangular region.
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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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(provide 'misc-tests)
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;;; misc-tests.el ends here
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