1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-581.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-581.js
new file mode 100644
index 0000000000..fae2d10b5a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-581.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.6-4-581
+description: ES5 Attributes - Fail to add property into object (Number instance)
+includes: [propertyHelper.js]
+---*/
+
+var data = "data";
+
+Object.defineProperty(Number.prototype, "prop", {
+  get: function() {
+    return data;
+  },
+  enumerable: false,
+  configurable: true
+});
+var numObj = new Number();
+
+verifyNotWritable(numObj, "prop", "nocheck");
+
+assert(!numObj.hasOwnProperty("prop"));
+assert.sameValue(numObj.prop, "data");
+assert.sameValue(data, "data");
+
+reportCompare(0, 0);