--- /dev/null 2014-06-17 12:20:48.953943020 -0700 +++ new/test/java/util/Collections/CheckedListReplaceAll.java 2014-06-24 11:23:37.532219097 -0700 @@ -0,0 +1,50 @@ +/* + * Copyright (c) 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. + */ + +/* + * @test + * @bug 8047795 + * @summary Ensure that replaceAll operator cannot add bad elements + * @author Mike Duigou + */ + +import java.util.*; +import java.util.function.UnaryOperator; + +public class CheckedListReplaceAll { + public static void main(String[] args) { + List unwrapped = Arrays.asList(new Object[]{1, 2, 3}); + List wrapped = Collections.checkedList(unwrapped, Integer.class); + + UnaryOperator evil = e -> (((int) e) % 2 != 0) ? e : "evil"; + + try { + wrapped.replaceAll(evil); + System.out.printf("Bwahaha! I have defeated you! %s\n", wrapped); + throw new RuntimeException("String added to checked List"); + } catch (ClassCastException thwarted) { + thwarted.printStackTrace(System.out); + System.out.println("Curses! Foiled again!"); + } + } +}