diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch12/12.2/S12.2_A11.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch12/12.2/S12.2_A11.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,29 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * When using property attributes, {ReadOnly} is not used
+ *
+ * @path ch12/12.2/S12.2_A11.js
+ * @description Changing variable value using property attributes
+ */
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+this['__declared__var'] = "baloon";
+if (this['__declared__var'] !== "baloon") {
+	$ERROR('#1: this[\'__declared__var\'] === "baloon". Actual:  this[\'__declared__var\'] ==='+ this['__declared__var']  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if (__declared__var !== "baloon") {
+	$ERROR('#2: __declared__var === "baloon". Actual:  __declared__var ==='+ __declared__var  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+var __declared__var;
+