1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/isExtensible/15.2.3.13-2-27.js b/js/src/tests/test262/built-ins/Object/isExtensible/15.2.3.13-2-27.js
new file mode 100644
index 0000000000..9200da1085
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isExtensible/15.2.3.13-2-27.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.13-2-27
+description: >
+    Object.isExtensible returns false if O is not extensible and has a
+    prototype that is not extensible
+---*/
+
+var proto = {};
+Object.preventExtensions(proto);
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var obj = new ConstructFun();
+Object.preventExtensions(obj);
+
+assert.sameValue(Object.isExtensible(obj), false, 'Object.isExtensible(obj)');
+
+reportCompare(0, 0);