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
31 import java.util.*;
32 import java.util.function.BiFunction;
33
34 public 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 }
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1 /*
2 * Copyright (c) 2014, 2026, 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 * @library /test/lib
30 */
31
32 import jdk.test.lib.valueclass.VClass;
33 import java.util.*;
34 import java.util.function.BiFunction;
35
36 public class CheckedMapReplaceAll {
37
38 public static void main(String[] args) {
39 Map<Integer,Double> unwrapped = new HashMap<>();
40 unwrapped.put(1, 1.0);
41 unwrapped.put(2, 2.0);
42 unwrapped.put(3, 3.0);
43
44 Map<Integer,Double> wrapped = Collections.checkedMap(unwrapped, Integer.class, Double.class);
45
46 BiFunction evil = (k, v) -> (((int)k) % 2 != 0) ? v : "evil";
47
48 try {
49 wrapped.replaceAll(evil);
50 System.out.printf("Bwahaha! I have defeated you! %s\n", wrapped);
51 throw new RuntimeException("String added to checked Map<Integer,Double>");
52 } catch (ClassCastException thwarted) {
53 thwarted.printStackTrace(System.out);
54 System.out.println("Curses! Foiled again!");
55 }
56
57 Map<VClass,VClass> vMap = Collections.checkedMap(new HashMap<>(), VClass.class, VClass.class);
58 vMap.put(new VClass(1, new int[] { 1 }), new VClass(2, new int[] { 2 }));
59 vMap.replaceAll((k, v) -> new VClass(v.x + 1, new int[] { v.x + 1 }));
60 if (!vMap.get(new VClass(1, new int[] { 1 })).equals(new VClass(3, new int[] { 3 })))
61 throw new RuntimeException("value checkedMap replaceAll failed");
62
63 Map raw = Collections.checkedMap(new HashMap<VClass,VClass>(), VClass.class, VClass.class);
64 raw.put(new VClass(1, new int[] { 1 }), new VClass(2, new int[] { 2 }));
65 try {
66 raw.replaceAll((k, v) -> "not a Tuple");
67 throw new RuntimeException("value checkedMap replaceAll accepted wrong type");
68 } catch (ClassCastException expected) { }
69 }
70 }
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