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Add forward-sexp (and related) tests
* test/lisp/emacs-lisp/lisp-tests.el: New file for testing forward-sexp and related functions (bug#22800).
This commit is contained in:
Aaron S. Hawley
Lars Ingebrigtsen
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10b040814e
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22994735af
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test/lisp/emacs-lisp/lisp-tests.el
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211
test/lisp/emacs-lisp/lisp-tests.el
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;;; lisp-tests.el --- Test Lisp editing commands -*- lexical-binding: t; -*-
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;; Copyright (C) 2013-2016 Free Software Foundation, Inc.
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;; Author: Aaron S. Hawley <aaron.s.hawley@gmail.com>
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;; Keywords: internal
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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 <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Testing of `forward-sexp' and related functions.
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;;; Code:
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(require 'ert)
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(require 'python)
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(ert-deftest lisp-forward-sexp-1-empty-parens ()
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"Test basics of \\[forward-sexp]."
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(with-temp-buffer
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(insert "()")
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(goto-char (point-min))
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(should (null
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(forward-sexp 1)))))
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(ert-deftest lisp-forward-sexp-1-error-mismatch ()
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"Test basics of \\[forward-sexp]."
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(with-temp-buffer
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(insert "(")
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(goto-char (point-min))
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(should-error
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(forward-sexp 1))))
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(ert-deftest lisp-backward-sexp-1-empty-parens ()
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"Test basics of \\[backward-sexp]."
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(with-temp-buffer
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(insert "()")
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(should (null
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(forward-sexp -1)))))
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(ert-deftest lisp-backward-sexp-1-error-mismatch ()
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"Test mismatched parens with \\[backward-sexp]."
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(with-temp-buffer
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(insert "(")
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(should-error
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(forward-sexp -1))))
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(ert-deftest lisp-forward-sexp-1-eobp ()
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"Test \\[forward-sexp] at `eobp'."
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(with-temp-buffer
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(insert "()")
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(should (null ;; (should-error ;; No, per #13994
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(forward-sexp 1)))))
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(ert-deftest lisp-backward-sexp-1-eobp ()
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"Test \\[backward-sexp] at `bobp'."
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(with-temp-buffer
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(insert "()")
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(goto-char (point-min))
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(should (null ;; (should-error ;; No, per #13994
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(forward-sexp -1)))))
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(ert-deftest lisp-forward-sexp-2-eobp ()
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"Test \\[forward-sexp] beyond `eobp'."
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(with-temp-buffer
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(insert "()")
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(goto-char (point-min))
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(should (null ;; (should-error ;; No, per #13994
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(forward-sexp 2)))
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(should (eobp))))
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(ert-deftest lisp-backward-sexp-2-bobp ()
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"Test \\[backward-sexp] beyond `bobp'."
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(with-temp-buffer
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(insert "()")
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(should (null ;; (should-error ;; No, per #13994
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(forward-sexp -2)))
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(should (bobp))))
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(ert-deftest lisp-forward-sexp-2-eobp-and-subsequent ()
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"Test \\[forward-sexp] beyond `eobp' and again."
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(with-temp-buffer
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(insert "()")
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(goto-char (point-min))
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(should (null ;; (should-error ;; No, per #13994
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(forward-sexp 2)))
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(should (eobp))
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(should (null ;; (should-error ;; No, per #13994
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(forward-sexp 1)))))
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(ert-deftest lisp-backward-sexp-2-bobp-and-subsequent ()
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"Test \\[backward-sexp] ahead of `bobp' and again."
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(with-temp-buffer
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(insert "()")
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(should (null ;; (should-error ;; No, per #13994
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(forward-sexp -2)))
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(should (bobp))
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(should (null ;; (should-error ;; No, per #13994
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(forward-sexp -1)))))
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(ert-deftest lisp-delete-pair-parens ()
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"Test \\[delete-pair] with parens."
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(with-temp-buffer
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(insert "(foo)")
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(goto-char (point-min))
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(delete-pair)
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(should (string-equal "foo" (buffer-string)))))
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(ert-deftest lisp-delete-pair-quotation-marks ()
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"Test \\[delete-pair] with quotation marks."
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(with-temp-buffer
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(insert "\"foo\"")
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(goto-char (point-min))
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(delete-pair)
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(should (string-equal "foo" (buffer-string)))))
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(ert-deftest lisp-delete-pair-quotes-in-text-mode ()
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"Test \\[delete-pair] against string in Text Mode for #15014."
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(with-temp-buffer
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(text-mode)
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(insert "\"foo\"")
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(goto-char (point-min))
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(delete-pair)
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(should (string-equal "fo\"" (buffer-string)))))
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(ert-deftest lisp-delete-pair-quotes-text-mode-syntax-table ()
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"Test \\[delete-pair] with modified Text Mode syntax for #15014."
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(with-temp-buffer
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(text-mode)
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(let ((st (copy-syntax-table text-mode-syntax-table)))
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(with-syntax-table st
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;; (modify-syntax-entry ?\" "." text-mode-syntax-table)
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(modify-syntax-entry ?\" "$" st)
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(insert "\"foo\"")
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(goto-char (point-min))
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(delete-pair)
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(should (string-equal "foo" (buffer-string)))))))
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(ert-deftest lisp-forward-sexp-elisp-inside-symbol ()
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"Test \\[forward-sexp] on symbol in Emacs Lisp Mode for #20492."
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(with-temp-buffer
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(emacs-lisp-mode)
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(insert "hide-ifdef-env ")
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(insert (concat (number-sequence 32 126)))
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(goto-char (point-min))
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(re-search-forward "hide" nil t) ;; (forward-char 4)
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(should (looking-at "-"))
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(forward-sexp)
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(should (looking-at " "))))
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(ert-deftest lisp-forward-sexp-elisp-quoted-symbol ()
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"Test \\[forward-sexp] on symbol in Emacs Lisp Mode for #20492."
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(with-temp-buffer
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(emacs-lisp-mode)
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(insert "`hide-ifdef-env'.")
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(goto-char (point-min))
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(re-search-forward "hide" nil t) ;; (forward-char 5)
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(should (= ?- (char-after)))
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(forward-sexp)
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(should (= ?. (char-before)))))
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(ert-deftest lisp-forward-sexp-python-triple-quoted-string ()
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"Test \\[forward-sexp] on Python doc strings for #11321."
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(with-temp-buffer
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(insert "\"\"\"Triple-quoted string\"\"\"")
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(goto-char (point-min))
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(let ((python-indent-guess-indent-offset nil))
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(python-mode))
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(forward-sexp)
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(should (eobp))))
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(ert-deftest lisp-forward-sexp-python-triple-quotes-string ()
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"Test \\[forward-sexp] on Python doc strings for #11321."
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(with-temp-buffer
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(insert "'''Triple-quoted string'''")
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(goto-char (point-min))
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(let ((python-indent-guess-indent-offset nil))
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(python-mode))
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(forward-sexp)
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(should (eobp))))
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(ert-deftest lisp-forward-sexp-emacs-lisp-semi-char-error ()
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"Test \\[forward-sexp] on expression with unquoted semicolon per #4030."
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(with-temp-buffer
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(emacs-lisp-mode)
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(insert "(insert ?;)")
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(goto-char (point-min))
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(should-error (forward-sexp)))) ;; FIXME: Shouldn't be an error.
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(ert-deftest lisp-forward-sexp-emacs-lisp-quote-char ()
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"Test \\[forward-sexp] on expression with unquoted quote per #4030."
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(with-temp-buffer
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(emacs-lisp-mode)
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(insert "(insert ?\")")
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(goto-char (point-min))
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(should-error (forward-sexp)))) ;; FIXME: Shouldn't be an error.
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(provide 'lisp-tests)
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;;; lisp-tests.el ends here
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