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diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-624.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-624.js
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+++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-624.js
@@ -0,0 +1,38 @@
+// Copyright (c) 2012 Ecma International. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.6-4-624
+description: >
+ ES5 Attributes - all attributes in Date.prototype.toJSON are
+ correct
+---*/
+
+var desc = Object.getOwnPropertyDescriptor(Date.prototype, "toJSON");
+
+var propertyAreCorrect = (desc.writable === true && desc.enumerable === false && desc.configurable === true);
+
+var temp = Date.prototype.toJSON;
+
+Date.prototype.toJSON = "2010";
+
+var isWritable = (Date.prototype.toJSON === "2010");
+
+var isEnumerable = false;
+
+for (var prop in Date.prototype) {
+ if (prop === "toJSON") {
+ isEnumerable = true;
+ }
+}
+
+delete Date.prototype.toJSON;
+
+var isConfigurable = !Date.prototype.hasOwnProperty("toJSON");
+
+assert(propertyAreCorrect, 'propertyAreCorrect !== true');
+assert(isWritable, 'isWritable !== true');
+assert.sameValue(isEnumerable, false, 'isEnumerable');
+assert(isConfigurable, 'isConfigurable !== true');
+
+reportCompare(0, 0);