1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-in/12.6.4-2.js b/js/src/tests/test262/language/statements/for-in/12.6.4-2.js
new file mode 100644
index 0000000000..1a021881f8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for-in/12.6.4-2.js
@@ -0,0 +1,36 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 12.6.4-2
+description: >
+    The for-in Statement - the values of [[Enumerable]] attributes are
+    not considered when determining if a property of a prototype
+    object is shadowed by a previous object on the prototype chain
+---*/
+
+        var proto = {
+            prop: "enumerableValue"
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var child = new ConstructFun();
+
+        Object.defineProperty(child, "prop", {
+            value: "nonEnumerableValue",
+            enumerable: false
+        });
+
+        var accessedProp = false;
+
+        for (var p in child) {
+            if (p === "prop") {
+                accessedProp = true;
+            }
+        }
+
+assert.sameValue(accessedProp, false, 'accessedProp');
+
+reportCompare(0, 0);