diff -r 7b62478ee76c -r e63b63819133 nashorn/test/script/basic/delete.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/delete.js	Fri Dec 21 16:36:24 2012 -0400
@@ -0,0 +1,63 @@
+/*
+ * 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.
+ */
+
+/**
+ * Check delete operator.
+ *
+ * @test
+ * @run
+ */
+
+var obj = { foo: 3, bar: "hello" };
+
+print("foo" in obj);
+print(obj.foo);
+print(delete obj.foo);
+print("foo" in obj);
+
+print("bar" in obj);
+print(obj.bar);
+print(delete obj["bar"]);
+print("bar" in obj);
+
+print(delete obj.junk);
+print(delete obj["junk"]);
+print(delete obj[2]);
+
+x = 3;
+print(delete x);
+print("x" in this);
+
+// deleting literals
+print(delete 2);
+print(delete "hello");
+print(delete true);
+print(delete this);
+
+function func() {
+    print(delete this);
+}
+
+var o = {};
+o.func = func;
+o.func();