--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/NASHORN-500.js	Fri Dec 21 16:36:24 2012 -0400
@@ -0,0 +1,66 @@
+/*
+ * 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-500 :  Using ScriptRuntime.toString for error reporting from runtime is problematic
+ *
+ * @test
+ * @run
+ */
+
+var origToString = Object.prototype.toString;
+Object.prototype.toString = function () { 
+    return this.myStr();
+}
+
+try {
+    print({});
+    fail("#1 toString should have thrown TypeError");
+} catch (e) {
+    if (! (e instanceof TypeError)) {
+        fail("#2 TypeError expected, got " + e);
+    }
+} finally {
+    Object.prototype.toString = origToString;
+}
+
+try {
+    print({ toString: function() { return this.foo(); } });
+    fail("#3 toString should have thrown TypeError");
+} catch (e) {
+    if (! (e instanceof TypeError)) {
+        fail("#4 TypeError expected, got " + e);
+    }
+}
+
+try {
+    var e = new Error();
+    e.toString = function() { return this.foo(); }
+    var lineNumber = __LINE__;
+    throw e;
+} catch (e) {
+    if (e.nashornException.lineNumber !== lineNumber  + 1) {
+        fail("#5 exception throw line number is incorrect");
+    }
+}
+