diff -r 7b62478ee76c -r e63b63819133 nashorn/test/script/basic/NASHORN-226.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/NASHORN-226.js	Fri Dec 21 16:36:24 2012 -0400
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2010, 2012, 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.
+ */
+
+/**
+ * NASHORN-226 : Error.prototype.toString does not confirm to spec.
+ *
+ * @test
+ * @run
+ */
+
+var e = new Error();
+if (e.toString() !== "Error") {
+    fail("#1 expected 'Error', got " + e.toString());
+}
+
+e.message = "";
+if (e.toString() !== "Error") {
+    fail("#2 expected 'Error', got " + e.toString());
+}
+
+e.message = { toString: function() { return '' } };
+if (e.toString() !== "Error") {
+    fail("#3 expected 'Error', got " + e.toString());
+}
+
+e.name = "MyError";
+e.message = "";
+if (e.toString() !== "MyError") {
+    fail("#4 expected 'MyError', got " + e.toString());
+}
+