diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch10/10.6/10.6-7-1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch10/10.6/10.6-7-1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,53 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch10/10.6/10.6-7-1.js
+ * @description Arguments Object has length as its own property and does not invoke the setter defined on Object.prototype.length (Step 7)
+ */
+
+
+function testcase() {
+        try {
+            var data = "data";
+            var getFunc = function () {
+                return 12;
+            };
+
+            var setFunc = function (value) {
+                data = value;
+            };
+
+            Object.defineProperty(Object.prototype, "length", {
+                get: getFunc,
+                set: setFunc,
+                configurable: true
+            });
+
+            var verifyValue = false;
+            var argObj = (function () { return arguments })();
+            verifyValue = (argObj.length === 0);
+
+            var verifyWritable = false;
+            argObj.length = 1001;
+            verifyWritable = (argObj.length === 1001);
+
+            var verifyEnumerable = false;
+            for (var p in argObj) {
+                if (p === "length") {
+                    verifyEnumerable = true;
+                }
+            }
+
+            var verifyConfigurable = false;
+            delete argObj.length;
+            verifyConfigurable = argObj.hasOwnProperty("length");
+
+            return verifyValue && verifyWritable && !verifyEnumerable && !verifyConfigurable && data === "data";
+        } finally {
+            delete Object.prototype.length;
+        }
+    }
+runTestCase(testcase);