1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-584.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-584.js
new file mode 100644
index 0000000000..b9d9c07aa0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-584.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.6-4-584
+description: ES5 Attributes - Failed to add property into object (Date instance)
+---*/
+
+var data = "data";
+
+Object.defineProperty(Date.prototype, "prop", {
+  get: function() {
+    return data;
+  },
+  set: function(value) {
+    data = value;
+  },
+  enumerable: true,
+  configurable: true
+});
+var dateObj = new Date();
+dateObj.prop = "myOwnProperty";
+
+assert.sameValue(dateObj.hasOwnProperty("prop"), false, 'dateObj.hasOwnProperty("prop")');
+assert.sameValue(dateObj.prop, "myOwnProperty", 'dateObj.prop');
+assert.sameValue(data, "myOwnProperty", 'data');
+
+reportCompare(0, 0);