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+;;; shortdoc-tests.el --- tests for shortdoc.el   -*- lexical-binding: t -*-
+
+;; Copyright (C) 2021-2022 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)
+(require 'shortdoc)
+
+(defun shortdoc-tests--tree-contains (tree fun)
+  "Whether TREE contains a call to FUN."
+  (and (proper-list-p tree)
+       (or (eq (car tree) fun)
+           (cl-some (lambda (x) (shortdoc-tests--tree-contains x fun)) tree))))
+
+(ert-deftest shortdoc-examples ()
+  "Check that each example actually contains the corresponding form."
+  (dolist (group shortdoc--groups)
+    (dolist (item group)
+      (when (consp item)
+        (let ((fun (car item))
+              (props (cdr item)))
+          (while props
+            (when (memq (car props) '(:eval :no-eval :no-eval* :no-value))
+              (let* ((example (cadr props))
+                     (expr (cond
+                            ((consp example) example)
+                            ((stringp example) (read example)))))
+                (should (shortdoc-tests--tree-contains expr fun))))
+            (setq props (cddr props))))))))
+
+(ert-deftest shortdoc-all-groups-work ()
+  "Test that all defined shortdoc groups display correctly."
+  (dolist (group (mapcar (lambda (x) (car x)) shortdoc--groups))
+    (let ((buf-name (format "*Shortdoc %s*" group)) buf)
+      (unwind-protect
+          (progn
+            (shortdoc-display-group group)
+            (should (setq buf (get-buffer buf-name))))
+        (when buf
+          (kill-buffer buf))))))
+
+(provide 'shortdoc-tests)
+
+;;; shortdoc-tests.el ends here