diff -r 4ebc2e2fb97c -r 71c04702a3d5 test/nashorn/script/basic/NASHORN-173.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/nashorn/script/basic/NASHORN-173.js	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,72 @@
+/*
+ * 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.
+ */
+
+/*
+ * NASHORN-173 : radix is ignored in Number.toString(radix).
+ * @test
+ * @run
+ */
+
+function printNumber(n) {
+    print(n);
+    print(n.toString(10));
+    print(n.toString(undefined));
+    print(n.toString(2));
+    print(n.toString(5));
+    print(n.toString(8));
+    print(n.toString(12));
+    print(n.toString(16));
+    print(n.toString(21));
+    print(n.toString(32));
+    print(n.toString(36));
+    try {
+      n.toString(0);
+    } catch (e) {
+      print(e.name);
+    }
+    try {
+      n.toString(37);
+    } catch (e) {
+      print(e.name);
+    }
+}
+
+printNumber(0);
+printNumber(1);
+printNumber(-10);
+printNumber(255);
+printNumber(255.5);
+printNumber(255.55);
+printNumber(4988883874234);
+printNumber(342234.2);
+printNumber(-32423423.2342);
+printNumber(837423.234765892);
+printNumber(2342344660903453345345);
+printNumber(-0.138789879520123);
+printNumber(10.5);
+printNumber(-10.22);
+printNumber(-32.44);
+printNumber(0.435235);
+printNumber(0.5);
+printNumber(5);
+printNumber(7.5);