diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch11/11.13/11.13.2/S11.13.2_A2.1_T1.3.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch11/11.13/11.13.2/S11.13.2_A2.1_T1.3.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator uses GetValue
+ *
+ * @path ch11/11.13/11.13.2/S11.13.2_A2.1_T1.3.js
+ * @description Either Type is not Reference or GetBase is not null, check opeartor is "x %= y"
+ */
+
+//CHECK#1
+var x = -1;
+var z = (x %= 2);
+if (z !== -1) {
+  $ERROR('#1: var x = -1; var z = (x %= 2); z === -1. Actual: ' + (z));
+}
+
+//CHECK#2
+var x = -1;
+var y = 2;
+var z = (x %= y);
+if (z !== -1) {
+  $ERROR('#2: var x = -1; var y = 2; var z = (x %= y); z === -1. Actual: ' + (z));
+}
+
+