diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_2/regexp/toString.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_2/regexp/toString.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,47 @@
+/* -*- 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:     toString.js
+   Description:  'Tests RegExp method toString'
+
+   Author:       Nick Lerissa
+   Date:         March 13, 1998
+*/
+
+var SECTION = 'As described in Netscape doc "Whats new in JavaScript 1.2"';
+var VERSION = 'no version';
+startTest();
+var TITLE = 'RegExp: toString';
+
+writeHeaderToLog('Executing script: toString.js');
+writeHeaderToLog( SECTION + " "+ TITLE);
+
+
+/*
+ * var re = new RegExp(); re.toString()  For what to expect,
+ * see http://bugzilla.mozilla.org/show_bug.cgi?id=225343#c7
+ */
+var re = new RegExp();
+new TestCase ( SECTION, "var re = new RegExp(); re.toString()",
+	       '/(?:)/', re.toString());
+
+// re = /.+/; re.toString();
+re = /.+/;
+new TestCase ( SECTION, "re = /.+/; re.toString()",
+	       '/.+/', re.toString());
+
+// re = /test/gi; re.toString()
+re = /test/gi;
+new TestCase ( SECTION, "re = /test/gi; re.toString()",
+	       '/test/gi', re.toString());
+
+// re = /test2/ig; re.toString()
+re = /test2/ig;
+new TestCase ( SECTION, "re = /test2/ig; re.toString()",
+	       '/test2/gi', re.toString());
+
+test();