--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/funcbind3.js	Tue Feb 12 12:47:51 2013 +0100
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ * 
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ * 
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ * 
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ * 
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * Test the assumptions about bound function prototypes
+ *
+ * @test
+ * @run
+ */
+
+function printAssumption(__x__) {
+  print(__x__ + ": " + eval(__x__));
+}
+
+function f() { }
+
+var b = f.bind(null)
+
+var x = new f()
+var y = new b()
+
+printAssumption("x instanceof f")
+printAssumption("x instanceof b")
+printAssumption("y instanceof f")
+printAssumption("y instanceof b")
+
+print("\nChanging prototype\n");
+
+f.prototype=new Object()
+
+printAssumption("x instanceof f")
+printAssumption("x instanceof b")
+printAssumption("y instanceof f")
+printAssumption("y instanceof b")
+
+print("\Bound function prototype\n");
+
+printAssumption("f.hasOwnProperty('prototype')")
+printAssumption("b.hasOwnProperty('prototype')")