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diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-142.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-142.js
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+// 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.
+
+/*---
+es5id: 15.2.3.7-6-a-142
+description: >
+    Object.defineProperties - 'O' is an Array, 'P' is the length
+    property of 'O', test the [[Value]] field of 'desc' is an Object
+    which has an own toString method (15.4.5.1 step 3.c)
+includes: [runTestCase.js]
+---*/
+
+function testcase() {
+
+        var arr = [];
+
+        Object.defineProperties(arr, {
+            length: {
+                value: {
+                    toString: function () {
+                        return '2';
+                    }
+                }
+            }
+        });
+
+        return arr.length === 2;
+    }
+runTestCase(testcase);