diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_2/regexp/alphanumeric.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_2/regexp/alphanumeric.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,97 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+/**
+   Filename:     alphanumeric.js
+   Description:  'Tests regular expressions with \w and \W special characters'
+
+   Author:       Nick Lerissa
+   Date:         March 10, 1998
+*/
+
+var SECTION = 'As described in Netscape doc "Whats new in JavaScript 1.2"';
+var VERSION = 'no version';
+startTest();
+var TITLE   = 'RegExp: \\w and \\W';
+
+writeHeaderToLog('Executing script: alphanumeric.js');
+writeHeaderToLog( SECTION + " " + TITLE);
+
+var non_alphanumeric = "~`!@#$%^&*()-+={[}]|\\:;'<,>./?\f\n\r\t\v " + '"';
+var alphanumeric     = "_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
+
+// be sure all alphanumerics are matched by \w
+new TestCase ( SECTION,
+	       "'" + alphanumeric + "'.match(new RegExp('\\w+'))",
+	       String([alphanumeric]), String(alphanumeric.match(new RegExp('\\w+'))));
+
+// be sure all non-alphanumerics are matched by \W
+new TestCase ( SECTION,
+	       "'" + non_alphanumeric + "'.match(new RegExp('\\W+'))",
+	       String([non_alphanumeric]), String(non_alphanumeric.match(new RegExp('\\W+'))));
+
+// be sure all non-alphanumerics are not matched by \w
+new TestCase ( SECTION,
+	       "'" + non_alphanumeric + "'.match(new RegExp('\\w'))",
+	       null, non_alphanumeric.match(new RegExp('\\w')));
+
+// be sure all alphanumerics are not matched by \W
+new TestCase ( SECTION,
+	       "'" + alphanumeric + "'.match(new RegExp('\\W'))",
+	       null, alphanumeric.match(new RegExp('\\W')));
+
+var s = non_alphanumeric + alphanumeric;
+
+// be sure all alphanumerics are matched by \w
+new TestCase ( SECTION,
+	       "'" + s + "'.match(new RegExp('\\w+'))",
+	       String([alphanumeric]), String(s.match(new RegExp('\\w+'))));
+
+s = alphanumeric + non_alphanumeric;
+
+// be sure all non-alphanumerics are matched by \W
+new TestCase ( SECTION,
+	       "'" + s + "'.match(new RegExp('\\W+'))",
+	       String([non_alphanumeric]), String(s.match(new RegExp('\\W+'))));
+
+// be sure all alphanumerics are matched by \w (using literals)
+new TestCase ( SECTION,
+	       "'" + s + "'.match(/\w+/)",
+	       String([alphanumeric]), String(s.match(/\w+/)));
+
+s = alphanumeric + non_alphanumeric;
+
+// be sure all non-alphanumerics are matched by \W (using literals)
+new TestCase ( SECTION,
+	       "'" + s + "'.match(/\W+/)",
+	       String([non_alphanumeric]), String(s.match(/\W+/)));
+
+s = 'abcd*&^%$$';
+// be sure the following test behaves consistently
+new TestCase ( SECTION,
+	       "'" + s + "'.match(/(\w+)...(\W+)/)",
+	       String([s , 'abcd' , '%$$']), String(s.match(/(\w+)...(\W+)/)));
+
+var i;
+
+// be sure all alphanumeric characters match individually
+for (i = 0; i < alphanumeric.length; ++i)
+{
+  s = '#$' + alphanumeric[i] + '%^';
+  new TestCase ( SECTION,
+		 "'" + s + "'.match(new RegExp('\\w'))",
+		 String([alphanumeric[i]]), String(s.match(new RegExp('\\w'))));
+}
+// be sure all non_alphanumeric characters match individually
+for (i = 0; i < non_alphanumeric.length; ++i)
+{
+  s = 'sd' + non_alphanumeric[i] + String((i+10) * (i+10) - 2 * (i+10));
+  new TestCase ( SECTION,
+		 "'" + s + "'.match(new RegExp('\\W'))",
+		 String([non_alphanumeric[i]]), String(s.match(new RegExp('\\W'))));
+}
+
+test();