diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma/ObjectObjects/15.2.3.1-3.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma/ObjectObjects/15.2.3.1-3.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,36 @@
+/* -*- 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:          15.2.3.1-3.js
+   ECMA Section:       15.2.3.1 Object.prototype
+
+   Description:        The initial value of Object.prototype is the built-in
+   Object prototype object.
+
+   This property shall have the attributes [ DontEnum,
+   DontDelete ReadOnly ]
+
+   This tests the [ReadOnly] property of Object.prototype
+
+   Author:             christine@netscape.com
+   Date:               28 october 1997
+
+*/
+
+var SECTION = "15.2.3.1-3";
+var VERSION = "ECMA_1";
+startTest();
+var TITLE   = "Object.prototype";
+
+writeHeaderToLog( SECTION + " "+ TITLE);
+
+new TestCase( SECTION, 
+	      "Object.prototype = null; Object.prototype",
+	      Object.prototype,
+	      eval("Object.prototype = null; Object.prototype"));
+
+test();