Move soundex.el test to a proper test

* test/lisp/soundex-tests.el: New file.
* lisp/soundex.el: Use lexical-binding.  Remove commented test.

2 files changed, 45 insertions, 11 deletions

diff --git a/lisp/soundex.el b/lisp/soundex.el
index e0d83303e34..a83bab8a910 100644
--- a/lisp/soundex.el
+++ b/lisp/soundex.el
@@ -1,4 +1,4 @@
-;;; soundex.el --- implement Soundex algorithm
+;;; soundex.el --- implement Soundex algorithm -*- lexical-binding: t -*-
 
 ;; Copyright (C) 1993, 2001-2017 Free Software Foundation, Inc.
 
@@ -29,7 +29,7 @@
 
 ;;; Code:
 
-(defvar soundex-alist
+(defconst soundex-alist
   '((?B . "1") (?F . "1") (?P . "1") (?V . "1")
     (?C . "2") (?G . "2") (?J . "2") (?K . "2") (?Q . "2") (?S . "2")
     (?X . "2") (?Z . "2") (?D . "3") (?T . "3") (?L . "4") (?M . "5")
@@ -60,15 +60,6 @@ and Searching\", Addison-Wesley (1973), pp. 391-392."
         (substring (concat key "000") 0 4)
       key)))
 
-;(defvar soundex-test
-;  '("Euler" "Gauss" "Hilbert" "Knuth" "Lloyd" "Lukasiewicz"
-;    "Ellery" "Ghosh" "Heilbronn" "Kant" "Ladd" "Lissajous")
-;  "\n  Knuth's names to demonstrate the Soundex algorithm.")
-;
-;(mapcar 'soundex soundex-test)
-;("E460" "G200" "H416" "K530" "L300" "L222"
-; "E460" "G200" "H416" "K530" "L300" "L222")
-
 (provide 'soundex)
 
 ;;; soundex.el ends here
diff --git a/test/lisp/soundex-tests.el b/test/lisp/soundex-tests.el
new file mode 100644
index 00000000000..d1bc99d8113
--- /dev/null
+++ b/test/lisp/soundex-tests.el
@@ -0,0 +1,43 @@
+;;; soundex-tests.el --- tests for soundex.el -*- lexical-binding: t -*-
+
+;; Copyright (C) 2017  Free Software Foundation, Inc.
+
+;; Maintainer: emacs-devel@gnu.org
+
+;; 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/>.
+
+;;; Commentary:
+
+;; Test `soundex-test-names' originally adapted from code in
+;; soundex.el by Christian Plaunt <chris@bliss.berkeley.edu>
+
+;;; Code:
+
+(require 'ert)
+(require 'soundex)
+
+(defconst soundex-test-name-list
+ '("Euler" "Gauss" "Hilbert" "Knuth" "Lloyd" "Lukasiewicz"
+   "Ellery" "Ghosh" "Heilbronn" "Kant" "Ladd" "Lissajous")
+ "Knuth's names to demonstrate the Soundex algorithm.")
+
+(ert-deftest soundex-test-names ()
+  (should
+   (equal (mapcar #'soundex soundex-test-name-list)
+          '("E460" "G200" "H416" "K530" "L300" "L222"
+            "E460" "G200" "H416" "K530" "L300" "L222"))))
+
+;;; soundex-tests.el ends here