--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/fastpushpop.js	Thu Sep 25 15:53:47 2014 +0200
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2010, 2014, 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.
+ */
+
+/**
+ * fastpushpop.js: make sure guards work for fast push implementation
+ * and normal one
+ *
+ * @test
+ * @run
+ */
+
+var a = [1,2,3];
+a.push(4);
+a.push(5);
+a.push(6);
+print(a);
+
+var a2 = Object.defineProperty(a,"length", { writable: false });
+try { 
+    a2.push(7);
+} catch (e) {
+    print("first: " + (e instanceof TypeError));
+}
+
+print(a2);
+
+var b = [1,2,3,,,,4711.17,"dingo!"];
+b.push(4);
+b.push(5);
+b.push(6);
+print(b);
+
+var b2 = Object.defineProperty(b,"length", { writable: false });
+try { 
+    b2.push(7);
+} catch (e) {
+    print("second: " + (e instanceof TypeError));
+}
+
+print(b2);
+