diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch12/12.2/S12.2_A4.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch12/12.2/S12.2_A4.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Unicode characters in variable Identifier are allowed
+ *
+ * @path ch12/12.2/S12.2_A4.js
+ * @description Create and use unicode characters in variable Identifier
+ */
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+try {
+	__var=__var;
+} catch (e) {
+	$ERROR('#1: Unicode characters in variable Identifier allowed');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+var \u005f\u005f\u0076\u0061\u0072 = 1;
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if (__var !== 1) {
+	$ERROR('#2: __var === 1. Actual:  __var ==='+ __var  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+