diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch11/11.14/S11.14_A3.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch11/11.14/S11.14_A3.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,38 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Comma Operator evaluates all Expressions and returns the last of them
+ *
+ * @path ch11/11.14/S11.14_A3.js
+ * @description Checking with "="
+ */
+
+//CHECK#1
+var x = 0;
+var y = 0;
+var z = 0;
+if ((x = 1, y = 2, z = 3) !== 3) {
+  $ERROR('#1: var x = 0; var y = 0; var z = 0; (x = 1, y = 2, z = 3) === 3. Actual: ' + ((x = 1, y = 2, z = 3)));
+}
+
+var x = 0;
+var y = 0;
+var z = 0;
+x = 1, y = 2, z = 3;
+
+//CHECK#2
+if (x !== 1) {
+  $ERROR('#2: var x = 0; var y = 0; var z = 0; x = 1, y = 2, z = 3; x === 1. Actual: ' + (x));
+}
+
+//CHECK#3
+if (y !== 2) {
+  $ERROR('#3: var x = 0; var y = 0; var z = 0; x = 1, y = 2, z = 3; y === 2. Actual: ' + (y));
+}
+
+//CHECK#4
+if (z !== 3) {
+  $ERROR('#4: var x = 0; var y = 0; var z = 0; x = 1, y = 2, z = 3; z === 3. Actual: ' + (z));
+}
+