diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_3/Unicode/uc-004.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_3/Unicode/uc-004.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,29 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * 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/. */
+
+
+test();
+
+function test()
+{
+  enterFunc ("test");
+
+  printStatus ("Unicode Characters 1C-1F with regexps test.");
+  printBugNumber (23612);
+   
+  var ary = ["\u001Cfoo", "\u001Dfoo", "\u001Efoo", "\u001Ffoo"];
+   
+  for (var i in ary)
+  {      
+    reportCompare (0, ary[Number(i)].search(/^\Sfoo$/),
+		   "Unicode characters 1C-1F in regexps, ary[" +
+		   i + "] did not match \\S test (it should not.)");
+    reportCompare (-1, ary[Number(i)].search(/^\sfoo$/),
+		   "Unicode characters 1C-1F in regexps, ary[" +
+		   i + "] matched \\s test (it should not.)");
+  }
+
+  exitFunc ("test");
+}