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diff --git a/test/lisp/progmodes/sh-script-tests.el b/test/lisp/progmodes/sh-script-tests.el
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+++ b/test/lisp/progmodes/sh-script-tests.el
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+;;; sh-script-tests.el --- Tests for sh-script.el  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2021 Free Software Foundation, Inc.
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;;; Code:
+
+(require 'sh-script)
+(require 'ert)
+
+(ert-deftest test-sh-script-indentation ()
+  (with-temp-buffer
+    (insert "relative-path/to/configure --prefix=$prefix\\
+             --with-x")
+    (shell-script-mode)
+    (goto-char (point-min))
+    (forward-line 1)
+    (indent-for-tab-command)
+    (should (equal
+             (buffer-substring-no-properties (point-min) (point-max))
+             "relative-path/to/configure --prefix=$prefix\\
+			   --with-x"))))
+
+(ert-deftest test-basic-sh-indentation ()
+  (with-temp-buffer
+    (insert "myecho () {\necho foo\n}\n")
+    (shell-script-mode)
+    (indent-region (point-min) (point-max))
+    (should (equal (buffer-string)
+  "myecho () {
+    echo foo
+}
+"))))
+
+;;; sh-script-tests.el ends here