1 /* 2 * Copyright (c) 2005, 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 * @run clean ImmutableArrayFieldTest 31 * @run build ImmutableArrayFieldTest 32 * @run main ImmutableArrayFieldTest 33 */ 34 35 import java.util.Arrays; 36 import javax.management.ImmutableDescriptor; 37 38 public class ImmutableArrayFieldTest { 39 public static void main(String[] args) throws Exception { 40 boolean ok = true; 41 ImmutableDescriptor d = new ImmutableDescriptor( 42 new String[] { 43 "strings", "ints", "booleans", 44 }, 45 new Object[] { 46 new String[] {"foo"}, 47 new int[] {5}, 48 new boolean[] {false}, 49 }); 50 51 String[] strings = (String[]) d.getFieldValue("strings"); 52 strings[0] = "bar"; 53 strings = (String[]) d.getFieldValue("strings"); 54 if (!strings[0].equals("foo")) { 55 System.out.println("FAILED: modified string array field"); 56 ok = false; 57 } 58 59 int[] ints = (int[]) d.getFieldValue("ints"); 60 ints[0] = 0; 61 ints = (int[]) d.getFieldValue("ints"); 62 if (ints[0] != 5) { 63 System.out.println("FAILED: modified int array field"); 64 ok = false; 65 } 66 67 boolean[] bools = (boolean[]) d.getFieldValue("booleans"); 68 bools[0] = true; 69 bools = (boolean[]) d.getFieldValue("booleans"); 70 if (bools[0]) { 71 System.out.println("FAILED: modified boolean array field"); 72 ok = false; 73 } 74 75 Object[] values = d.getFieldValues("strings", "ints", "booleans"); 76 ((String[]) values[0])[0] = "bar"; 77 ((int[]) values[1])[0] = 0; 78 ((boolean[]) values[2])[0] = true; 79 values = d.getFieldValues("strings", "ints", "booleans"); 80 if (!((String[]) values[0])[0].equals("foo") || 81 ((int[]) values[1])[0] != 5 || 82 ((boolean[]) values[2])[0]) { 83 System.out.println("FAILED: getFieldValues modifiable: " + 84 Arrays.deepToString(values)); 85 } 86 87 if (ok) 88 System.out.println("TEST PASSED"); 89 else 90 throw new Exception("Array field values were modifiable"); 91 } 92 }