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 36 import java.util.Arrays; 37 import javax.management.ImmutableDescriptor; 38 39 public 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 }