--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/NASHORN-205.js	Fri Dec 21 16:36:24 2012 -0400
@@ -0,0 +1,65 @@
+/*
+ * 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-205 :  Cannot convert read-only accessor property into a data property with a new value
+ *
+ * @test
+ * @run
+ */
+
+var obj = {};
+
+Object.defineProperty(obj, "foo", {
+    get: function() { return 23; },
+    set: undefined,
+    enumerable: true,
+    configurable: true
+});
+
+var desc = Object.getOwnPropertyDescriptor(obj, "foo");
+if (! desc.hasOwnProperty("get")) {
+    fail("'get' missing!!");
+}
+
+if (obj.foo !== 23) {
+    fail("obj.foo !== 23");
+}
+
+try {
+    // modify to use "value" property
+    Object.defineProperty(obj, "foo", {
+        value: 100
+    });
+} catch (e) {
+    fail("failed", e);
+}
+  
+var newDesc = Object.getOwnPropertyDescriptor(obj, "foo");
+if (! newDesc.hasOwnProperty("value")) {
+    fail("'value' missing!!");
+}
+
+if (obj.foo !== 100) {
+    fail("obj.foo !== 100");
+}