diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma/String/15.5.4.5-4.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma/String/15.5.4.5-4.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,41 @@
+/* -*- 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/. */
+
+
+/**
+   File Name:          15.5.4.5-4.js
+   ECMA Section:       15.5.4.5 String.prototype.charCodeAt(pos)
+
+   Description:        Returns a nonnegative integer less than 2^16.
+
+   Author:             christine@netscape.com
+   Date:               28 october 1997
+
+*/
+var VERSION = "0697";
+startTest();
+var SECTION = "15.5.4.5-4";
+
+writeHeaderToLog( SECTION + " String.prototype.charCodeAt(pos)" );
+
+var MAXCHARCODE = Math.pow(2,16);
+var item=0, CHARCODE;
+
+for ( CHARCODE=0; CHARCODE <256; CHARCODE++ ) {
+  new TestCase( SECTION,
+		"(String.fromCharCode("+CHARCODE+")).charCodeAt(0)",
+		CHARCODE,
+		(String.fromCharCode(CHARCODE)).charCodeAt(0) );
+}
+for ( CHARCODE=256; CHARCODE < 65536; CHARCODE+=999 ) {
+  new TestCase( SECTION,
+		"(String.fromCharCode("+CHARCODE+")).charCodeAt(0)",
+		CHARCODE,
+		(String.fromCharCode(CHARCODE)).charCodeAt(0) );
+}
+
+new TestCase( SECTION, "(String.fromCharCode(65535)).charCodeAt(0)", 65535,     (String.fromCharCode(65535)).charCodeAt(0) );
+
+test();