1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-40.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-40.js
new file mode 100644
index 0000000000..c57effcf8c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-40.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.4-4-40
+description: >
+    Object.getOwnPropertyNames - inherited data property of String
+    object 'O' is not pushed into the returned array
+---*/
+
+var str = new String("abc");
+
+String.prototype.protoProperty = "protoString";
+
+var result = Object.getOwnPropertyNames(str);
+
+for (var p in result) {
+  assert.notSameValue(result[p], "protoProperty", 'result[p]');
+}
+
+reportCompare(0, 0);