* test/src/doc-tests.el: New file.

test/src/doc-tests.el

@@ -0,0 +1,43 @@
+;;; doc-tests.el --- tests for doc.c functions  -*- lexical-binding: t -*-
+
+;; Copyright (C) 2022 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/>.
+
+;;; Code:
+
+(require 'ert)
+
+(ert-deftest doc-tests-documentation/c-primitive ()
+  (should (stringp (documentation 'defalias))))
+
+(ert-deftest doc-tests-documentation/preloaded ()
+  (should (stringp (documentation 'defun))))
+
+(ert-deftest doc-tests-documentation/autoloaded-macro ()
+  (skip-unless noninteractive)
+  (should (autoloadp (symbol-function 'rx)))
+  (should (stringp (documentation 'rx))))     ; See Bug#52969.
+
+(ert-deftest doc-tests-documentation/autoloaded-defun ()
+  (skip-unless noninteractive)
+  (should (autoloadp (symbol-function 'tetris)))
+  (should (stringp (documentation 'tetris)))) ; See Bug#52969.
+
+(ert-deftest doc-tests-quoting-style ()
+  (should (memq (text-quoting-style) '(grave straight curve))))
+
+;;; doc-tests.el ends here