1/*
2 * Copyright (c) 2005, 2015, 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 6299180
27 * @summary Test that immutability of ImmutableDescriptor cannot be
28 * compromised by modifying field values that are arrays.
29 * @author Eamonn McManus
30 *
31 * @run clean ImmutableArrayFieldTest
32 * @run build ImmutableArrayFieldTest
33 * @run main ImmutableArrayFieldTest
34 */
35
36import java.util.Arrays;
37import javax.management.ImmutableDescriptor;
38
39public class ImmutableArrayFieldTest {
40    public static void main(String[] args) throws Exception {
41        boolean ok = true;
42        ImmutableDescriptor d = new ImmutableDescriptor(
43                new String[] {
44                    "strings", "ints", "booleans",
45                },
46                new Object[] {
47                    new String[] {"foo"},
48                    new int[] {5},
49                    new boolean[] {false},
50                });
51
52        String[] strings = (String[]) d.getFieldValue("strings");
53        strings[0] = "bar";
54        strings = (String[]) d.getFieldValue("strings");
55        if (!strings[0].equals("foo")) {
56            System.out.println("FAILED: modified string array field");
57            ok = false;
58        }
59
60        int[] ints = (int[]) d.getFieldValue("ints");
61        ints[0] = 0;
62        ints = (int[]) d.getFieldValue("ints");
63        if (ints[0] != 5) {
64            System.out.println("FAILED: modified int array field");
65            ok = false;
66        }
67
68        boolean[] bools = (boolean[]) d.getFieldValue("booleans");
69        bools[0] = true;
70        bools = (boolean[]) d.getFieldValue("booleans");
71        if (bools[0]) {
72            System.out.println("FAILED: modified boolean array field");
73            ok = false;
74        }
75
76        Object[] values = d.getFieldValues("strings", "ints", "booleans");
77        ((String[]) values[0])[0] = "bar";
78        ((int[]) values[1])[0] = 0;
79        ((boolean[]) values[2])[0] = true;
80        values = d.getFieldValues("strings", "ints", "booleans");
81        if (!((String[]) values[0])[0].equals("foo") ||
82                ((int[]) values[1])[0] != 5 ||
83                ((boolean[]) values[2])[0]) {
84            System.out.println("FAILED: getFieldValues modifiable: " +
85                    Arrays.deepToString(values));
86        }
87
88        if (ok)
89            System.out.println("TEST PASSED");
90        else
91            throw new Exception("Array field values were modifiable");
92    }
93}
94