212 lines
7.5 KiB
EmacsLisp
212 lines
7.5 KiB
EmacsLisp
;;; esh-arg-tests.el --- esh-arg test suite -*- lexical-binding:t -*-
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;; Copyright (C) 2022-2024 Free Software Foundation, Inc.
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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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;; Tests for Eshell's argument handling.
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;;; Code:
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(require 'ert)
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(require 'esh-mode)
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(require 'eshell)
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(require 'eshell-tests-helpers
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(expand-file-name "eshell-tests-helpers"
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(file-name-directory (or load-file-name
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default-directory))))
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(defvar eshell-test-value nil)
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;;; Tests:
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(ert-deftest esh-arg-test/escape/nonspecial ()
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"Test that \"\\c\" and \"c\" are equivalent when \"c\" is not a
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special character."
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(with-temp-eshell
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(eshell-match-command-output "echo he\\llo"
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"hello\n")))
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(ert-deftest esh-arg-test/escape/nonspecial-unicode ()
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"Test that \"\\c\" and \"c\" are equivalent when \"c\" is a
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unicode character (unicode characters are nonspecial by
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definition)."
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(with-temp-eshell
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(eshell-match-command-output "echo Vid\\éos"
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"Vidéos\n")))
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(ert-deftest esh-arg-test/escape/special ()
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"Test that the backslash is not preserved for escaped special
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chars."
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(with-temp-eshell
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(eshell-match-command-output "echo he\\\\llo"
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;; Backslashes are doubled for regexp.
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"he\\\\llo\n")))
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(ert-deftest esh-arg-test/escape/newline ()
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"Test that an escaped newline is equivalent to the empty string."
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(with-temp-eshell
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(eshell-match-command-output "echo hi\\\nthere"
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"hithere\n")))
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(ert-deftest esh-arg-test/escape/trailing-newline ()
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"Test that an escaped newline is equivalent to the empty string."
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(with-temp-eshell
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(eshell-match-command-output "echo hi\\\n"
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"hi\n")))
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(ert-deftest esh-arg-test/escape/newline-conditional ()
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"Test invocation of an if/else statement using line continuations."
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(let ((eshell-test-value t))
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(eshell-command-result-equal
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"if $eshell-test-value \\\n{echo yes} \\\n{echo no}"
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"yes"))
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(let ((eshell-test-value nil))
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(eshell-command-result-equal
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"if $eshell-test-value \\\n{echo yes} \\\n{echo no}"
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"no")))
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(ert-deftest esh-arg-test/escape-quoted/nonspecial ()
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"Test that the backslash is preserved for escaped nonspecial
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chars."
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(with-temp-eshell
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(eshell-match-command-output "echo \"h\\i\""
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;; Backslashes are doubled for regexp.
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"h\\\\i\n")))
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(ert-deftest esh-arg-test/escape-quoted/special ()
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"Test that the backslash is not preserved for escaped special
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chars."
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(with-temp-eshell
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(eshell-match-command-output "echo \"\\\"hi\\\\\""
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;; Backslashes are doubled for regexp.
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"\\\"hi\\\\\n")))
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(ert-deftest esh-arg-test/escape-quoted/newline ()
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"Test that an escaped newline is equivalent to the empty string."
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(with-temp-eshell
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(eshell-match-command-output "echo \"hi\\\nthere\""
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"hithere\n")))
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(ert-deftest esh-arg-test/special-reference/default ()
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"Test that \"#<buf>\" refers to the buffer \"buf\"."
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(with-temp-buffer
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(rename-buffer "my-buffer" t)
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(eshell-command-result-equal
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(format "echo #<%s>" (buffer-name))
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(current-buffer))))
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(ert-deftest esh-arg-test/special-reference/buffer ()
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"Test that \"#<buffer buf>\" refers to the buffer \"buf\"."
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(with-temp-buffer
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(rename-buffer "my-buffer" t)
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(eshell-command-result-equal
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(format "echo #<buffer %s>" (buffer-name))
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(current-buffer))))
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(ert-deftest esh-arg-test/special-reference/marker ()
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"Test that \"#<marker N buf>\" refers to a marker in the buffer \"buf\"."
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(with-temp-buffer
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(rename-buffer "my-buffer" t)
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(insert "hello")
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(let ((marker (make-marker)))
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(set-marker marker 1 (current-buffer))
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(eshell-command-result-equal
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(format "echo #<marker 1 %s>" (buffer-name))
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marker))))
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(ert-deftest esh-arg-test/special-reference/quoted ()
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"Test that '#<buffer \"foo bar\">' refers to the buffer \"foo bar\"."
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(with-temp-buffer
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(rename-buffer "foo bar" t)
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(eshell-command-result-equal
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(format "echo #<buffer \"%s\">" (buffer-name))
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(current-buffer))
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(eshell-command-result-equal
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(format "echo #<buffer '%s'>" (buffer-name))
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(current-buffer))))
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(ert-deftest esh-arg-test/special-reference/nested ()
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"Test that nested special references work correctly."
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(with-temp-buffer
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(rename-buffer "my-buffer" t)
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(insert "hello")
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(let ((marker (make-marker)))
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(set-marker marker 1 (current-buffer))
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(eshell-command-result-equal
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(format "echo #<marker 1 #<%s>>" (buffer-name))
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marker)
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(eshell-command-result-equal
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(format "echo #<marker 1 #<buffer %s>>" (buffer-name))
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marker))))
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(ert-deftest esh-arg-test/special-reference/var-expansion ()
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"Test that variable expansion inside special references works."
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(with-temp-buffer
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(rename-buffer "my-buffer" t)
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(let ((eshell-test-value (buffer-name)))
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(eshell-command-result-equal
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"echo #<buffer $eshell-test-value>"
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(current-buffer))
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(eshell-command-result-equal
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"echo #<buffer \"$eshell-test-value\">"
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(current-buffer)))))
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(ert-deftest esh-arg-test/special-reference/lisp-form ()
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"Test that Lisp forms inside special references work."
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(with-temp-eshell
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(let ((marker (make-marker))
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eshell-test-value)
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(set-marker marker 1 (current-buffer))
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(eshell-insert-command
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"setq eshell-test-value #<marker 1 (current-buffer)>")
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(should (equal eshell-test-value marker))
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(eshell-insert-command
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"setq eshell-test-value #<marker 1 #<buffer (buffer-name)>>")
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(should (equal eshell-test-value marker)))))
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(ert-deftest esh-arg-test/special-reference/command-form ()
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"Test that command forms inside special references work."
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(with-temp-eshell
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(let ((marker (make-marker))
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eshell-test-value)
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(set-marker marker 1 (current-buffer))
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(eshell-insert-command
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"setq eshell-test-value #<marker 1 {current-buffer}>")
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(should (equal eshell-test-value marker))
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(eshell-insert-command
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"setq eshell-test-value #<marker 1 #<buffer {buffer-name}>>")
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(should (equal eshell-test-value marker)))))
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(ert-deftest esh-arg-test/special-reference/special-characters ()
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"Test that \"#<...>\" works correctly when escaping special characters."
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(with-temp-buffer
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(rename-buffer "<my buffer>" t)
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(let ((escaped-bufname (replace-regexp-in-string
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(rx (group (or "\\" "<" ">" space))) "\\\\\\1"
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(buffer-name))))
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(eshell-command-result-equal
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(format "echo #<%s>" escaped-bufname)
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(current-buffer))
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(eshell-command-result-equal
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(format "echo #<buffer %s>" escaped-bufname)
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(current-buffer)))))
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;; esh-arg-tests.el ends here
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