--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/forin.js	Fri Dec 21 16:36:24 2012 -0400
@@ -0,0 +1,56 @@
+/*
+ * 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.
+ */
+
+/**
+ * Test for in
+ *
+ * @test
+ * @run
+ */
+
+var a = [10, 20, 30, 40];
+var o = {a: 100, b: 200, c: 300};
+var j = new java.util.ArrayList();
+j.add("apple");
+j.add("bear");
+j.add("car");
+var ja = j.toArray();
+var s = "apple,bear,car".split(",");
+
+for (i in a) print(i, a[i]);
+for each (i in a) print(i);
+for (i in o) print(i, o[i]);
+for each (i in j) print(i);
+for (i in ja) print(i, ja[i]);
+for each (i in ja) print(i);
+for (i in s) print(i, s[i]);
+for each (i in s) print(i);
+
+// 'each' is a contextual keyword. Ok to use as identifier elsewhere..
+var each = "This is each";
+print(each);
+
+// it is ok to use "each" is usual for loop. Ignored as noise word.
+for each (var i = 0; i < 10; i++) {
+    print(i);
+}