Fix two tcl-mode defun-related bugs

Fixes bug#23565
* lisp/progmodes/tcl.el (tcl-mode): Set beginning-of-defun-function
and end-of-defun-function.
(tcl-beginning-of-defun-function, tcl-end-of-defun-function): New
defuns.
* test/lisp/progmodes/tcl-tests.el: New file.

1 files changed, 68 insertions, 0 deletions

diff --git a/test/lisp/progmodes/tcl-tests.el b/test/lisp/progmodes/tcl-tests.el
new file mode 100644
index 00000000000..55211b70be2
--- /dev/null
+++ b/test/lisp/progmodes/tcl-tests.el
@@ -0,0 +1,68 @@
+;;; tcl-tests.el --- Test suite for tcl-mode
+
+;; Copyright (C) 2018 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 'ert)
+(require 'tcl)
+
+;; From bug#23565
+(ert-deftest tcl-mode-beginning-of-defun-1 ()
+  (with-temp-buffer
+    (tcl-mode)
+    (insert "proc bad {{value \"\"}} {\n    # do something\n}")
+    (should (beginning-of-defun))
+    (should (= (point) (point-min)))
+    (end-of-defun)
+    (should (= (point) (point-max)))))
+
+;; From bug#23565
+(ert-deftest tcl-mode-beginning-of-defun-2 ()
+  (with-temp-buffer
+    (tcl-mode)
+    (insert "proc good {{value}} {\n    # do something\n}")
+    (should (beginning-of-defun))
+    (should (= (point) (point-min)))
+    (end-of-defun)
+    (should (= (point) (point-max)))))
+
+(ert-deftest tcl-mode-function-name ()
+  (with-temp-buffer
+    (tcl-mode)
+    (insert "proc notinthis {} {\n  # nothing\n}\n\n")
+    (should-not (add-log-current-defun))))
+
+(ert-deftest tcl-mode-function-name ()
+  (with-temp-buffer
+    (tcl-mode)
+    (insert "proc simple {} {\n  # nothing\n}")
+    (backward-char 3)
+    (should (equal "simple" (add-log-current-defun)))))
+
+(ert-deftest tcl-mode-function-name ()
+  (with-temp-buffer
+    (tcl-mode)
+    (insert "proc inthis {} {\n  # nothing\n")
+    (should (equal "inthis" (add-log-current-defun)))))
+
+(provide 'tcl-tests)
+
+;;; tcl-tests.el ends here