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80 lines
2.9 KiB
EmacsLisp
80 lines
2.9 KiB
EmacsLisp
;;; tabify-tests.el --- tests for tabify.el -*- lexical-binding: t -*-
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;; Copyright (C) 2019-2021 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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;;; Code:
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(require 'ert)
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(require 'tabify)
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(defun tabify-tests--test-changes (fun changes width)
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(with-temp-buffer
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(let ((tab-width width))
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(insert (mapconcat #'car changes ""))
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(funcall fun (point-min) (point-max))
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(should (equal (buffer-string) (mapconcat #'cadr changes ""))))))
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(ert-deftest tabify-tests-untabify ()
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(let ((changes '(("***\n" "***\n")
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(" ***\n" " ***\n")
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("\t***\n" " ***\n")
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("\t ***\n" " ***\n")
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("\t\t***\n" " ***\n")
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("\t\t ***\n" " ***\n")
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("\t\t\t***\n" " ***\n")
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("\t\t\t ***\n" " ***\n")
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(" ***\n" " ***\n")
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(" \t ***\n" " ***\n")
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(" \t***\n" " ***\n")
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(" \t***\n" " ***\n"))))
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(tabify-tests--test-changes #'untabify changes 2)))
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(ert-deftest tabify-tests-tabify ()
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(let ((changes '(("***\n" "***\n")
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(" ***\n" " ***\n")
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(" ***\n" "\t***\n")
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(" ***\n" "\t ***\n")
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(" ***\n" "\t\t***\n")
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(" ***\n" "\t\t ***\n")
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(" ***\n" "\t\t\t***\n")
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(" ***\n" "\t\t\t ***\n")
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("\t***\n" "\t***\n")
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("\t ***\n" "\t ***\n")
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("\t\t***\n" "\t\t***\n"))))
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(tabify-tests--test-changes #'tabify changes 2)))
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(ert-deftest tabify-tests-tabify/all-spaces-on-line ()
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(with-temp-buffer
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(let ((tab-width 2))
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(insert " ** ** ")
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(tabify (point-min) (point-max))
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(should (equal (buffer-string) "\t**\t**\t")))))
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(ert-deftest tabify-tests-tabify/only-initial ()
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(with-temp-buffer
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(let ((tab-width 2)
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(tabify-regexp "^\\t* [ \\t]+")) ; from tabify-regexp docstring
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(insert " ** ")
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(tabify (point-min) (point-max))
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(should (equal (buffer-string) "\t** ")))))
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(provide 'tabify-tests)
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;;; tabify-tests.el ends here
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