1/*
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug     8047795
27 * @summary Ensure that replaceAll operator cannot add bad elements
28 * @author  Mike Duigou
29 */
30
31import java.util.*;
32import java.util.function.BiFunction;
33
34public class CheckedMapReplaceAll {
35    public static void main(String[] args) {
36        Map<Integer,Double> unwrapped = new HashMap<>();
37        unwrapped.put(1, 1.0);
38        unwrapped.put(2, 2.0);
39        unwrapped.put(3, 3.0);
40
41        Map<Integer,Double> wrapped = Collections.checkedMap(unwrapped, Integer.class, Double.class);
42
43        BiFunction evil = (k, v) -> (((int)k) % 2 != 0) ? v : "evil";
44
45        try {
46            wrapped.replaceAll(evil);
47            System.out.printf("Bwahaha! I have defeated you! %s\n", wrapped);
48            throw new RuntimeException("String added to checked Map<Integer,Double>");
49        } catch (ClassCastException thwarted) {
50            thwarted.printStackTrace(System.out);
51            System.out.println("Curses! Foiled again!");
52        }
53    }
54}
55