diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch12/12.2/S12.2_A2.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch12/12.2/S12.2_A2.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,47 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Variables are defined with global scope (that is, they are created as members of the global object, as described in 10.1.3) using property attributes { DontDelete}
+ *
+ * @path ch12/12.2/S12.2_A2.js
+ * @description Checking if deleting global variables that have the attributes {DontDelete} fails
+ */
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if (delete(__variable)) {
+	$ERROR('#1: delete(__variable)===false');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if (delete(this["__variable"])) {
+	$ERROR('#2: delete(this["__variable"])===false');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+var __variable;
+var __variable = "defined";
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if (delete(__variable) | delete(this["__variable"])) {
+	$ERROR('#3: (delete(__variable) | delete(this["__variable"]))===false' );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#4
+if ((__variable !== "defined")|(this["__variable"] !=="defined")) {
+	$ERROR('#4: __variable === "defined" and this["__variable"] ==="defined"');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+