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+;;; thingatpt.el --- tests for thing-at-point.
+
+;; Copyright (C) 2013-2016 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 <http://www.gnu.org/licenses/>.
+
+;;; Code:
+
+(require 'ert)
+
+(defvar thing-at-point-test-data
+  '(("http://1.gnu.org" 1  url "http://1.gnu.org")
+    ("http://2.gnu.org" 6 url "http://2.gnu.org")
+    ("http://3.gnu.org" 19 url "http://3.gnu.org")
+    ("https://4.gnu.org" 1  url "https://4.gnu.org")
+    ("A geo URI (geo:3.14159,-2.71828)." 12 url "geo:3.14159,-2.71828")
+    ("Visit http://5.gnu.org now." 5 url nil)
+    ("Visit http://6.gnu.org now." 7 url "http://6.gnu.org")
+    ("Visit http://7.gnu.org now." 22 url "http://7.gnu.org")
+    ("Visit http://8.gnu.org now." 22 url "http://8.gnu.org")
+    ("Visit http://9.gnu.org now." 24 url nil)
+    ;; Invalid URIs
+    ("<<<<" 2 url nil)
+    ("<>" 1 url nil)
+    ("<url:>" 1 url nil)
+    ("http://" 1 url nil)
+    ;; Invalid schema
+    ("foo://www.gnu.org" 1 url nil)
+    ("foohttp://www.gnu.org" 1 url nil)
+    ;; Non alphanumeric characters can be found in URIs
+    ("ftp://example.net/~foo!;#bar=baz&goo=bob" 3 url "ftp://example.net/~foo!;#bar=baz&goo=bob")
+    ("bzr+ssh://user@example.net:5/a%20d,5" 34 url "bzr+ssh://user@example.net:5/a%20d,5")
+    ;; <url:...> markup
+    ("Url: <url:foo://1.example.com>..." 8 url "foo://1.example.com")
+    ("Url: <url:foo://2.example.com>..." 30 url "foo://2.example.com")
+    ("Url: <url:foo://www.gnu.org/a bc>..." 20 url "foo://www.gnu.org/a bc")
+    ;; Hack used by thing-at-point: drop punctuation at end of URI.
+    ("Go to http://www.gnu.org, for details" 7 url "http://www.gnu.org")
+    ("Go to http://www.gnu.org." 24 url "http://www.gnu.org")
+    ;; Standard URI delimiters
+    ("Go to \"http://10.gnu.org\"." 8 url "http://10.gnu.org")
+    ("Go to \"http://11.gnu.org/\"." 26 url "http://11.gnu.org/")
+    ("Go to <http://12.gnu.org> now." 8 url "http://12.gnu.org")
+    ("Go to <http://13.gnu.org> now." 24 url "http://13.gnu.org")
+    ;; Parenthesis handling (non-standard)
+    ("http://example.com/a(b)c" 21 url "http://example.com/a(b)c")
+    ("http://example.com/a(b)" 21 url "http://example.com/a(b)")
+    ("(http://example.com/abc)" 2 url "http://example.com/abc")
+    ("This (http://example.com/a(b))" 7 url "http://example.com/a(b)")
+    ("This (http://example.com/a(b))" 30 url "http://example.com/a(b)")
+    ("This (http://example.com/a(b))" 5 url nil)
+    ("http://example.com/ab)c" 4 url "http://example.com/ab)c")
+    ;; URL markup, lacking schema
+    ("<url:foo@example.com>" 1 url "mailto:foo@example.com")
+    ("<url:ftp.example.net/abc/>" 1 url "ftp://ftp.example.net/abc/"))
+  "List of thing-at-point tests.
+Each list element should have the form
+
+  (STRING POS THING RESULT)
+
+where STRING is a string of buffer contents, POS is the value of
+point, THING is a symbol argument for `thing-at-point', and
+RESULT should be the result of calling `thing-at-point' from that
+position to retrieve THING.")
+
+(ert-deftest thing-at-point-tests ()
+  "Test the file-local variables implementation."
+  (dolist (test thing-at-point-test-data)
+    (with-temp-buffer
+      (insert (nth 0 test))
+      (goto-char (nth 1 test))
+      (should (equal (thing-at-point (nth 2 test)) (nth 3 test))))))
+
+;; These tests reflect the actual behaviour of
+;; `thing-at-point-bounds-of-list-at-point'.
+(ert-deftest thing-at-point-bug24627 ()
+  "Test for http://debbugs.gnu.org/24627 ."
+  (let ((string-result '(("(a \"b\" c)" . (a "b" c))
+                         (";(a \"b\" c)")
+                         ("(a \"b\" c\n)" . (a "b" c))
+                         ("\"(a b c)\"")
+                         ("(a ;(b c d)\ne)" . (a e))
+                         ("(foo\n(a ;(b c d)\ne) bar)" . (a e))
+                         ("(foo\na ;(b c d)\ne bar)" . (foo a e bar))
+                         ("(foo\n(a \"(b c d)\"\ne) bar)" . (a "(b c d)" e))
+                         ("(b\n(a ;(foo c d)\ne) bar)" . (a e))
+                         ("(princ \"(a b c)\")" . (princ "(a b c)"))
+                         ("(defun foo ()\n  \"Test function.\"\n  ;;(a b)\n  nil)" . (defun foo nil "Test function." nil))))
+        (file
+         (expand-file-name "lisp/thingatpt.el" source-directory))
+        buf)
+    ;; Test for `thing-at-point'.
+    (when (file-exists-p file)
+      (unwind-protect
+          (progn
+            (setq buf (find-file file))
+            (goto-char (point-max))
+            (forward-line -1)
+            (should-not (thing-at-point 'list)))
+        (kill-buffer buf)))
+    ;; Tests for `list-at-point'.
+    (dolist (str-res string-result)
+      (with-temp-buffer
+        (emacs-lisp-mode)
+        (insert (car str-res))
+        (re-search-backward "\\((a\\|^a\\)")
+        (should (equal (list-at-point)
+                       (cdr str-res)))))))
+
+;;; thingatpt.el ends here