1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-405.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-405.js
new file mode 100644
index 0000000000..d5b183c72c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-405.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.6-4-405
+description: >
+    ES5 Attributes - Failed to add a property to an object when the
+    object's object has a property with same name and [[Writable]]
+    attribute is set to false (Number instance)
+includes: [propertyHelper.js]
+---*/
+
+Object.defineProperty(Number.prototype, "prop", {
+  value: 1001,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
+
+var numObj = new Number();
+
+assert(!numObj.hasOwnProperty("prop"));
+verifyNotWritable(numObj, "prop", "noCheckOwnProp");
+
+reportCompare(0, 0);