/* * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 6299180 * @summary Test that immutability of ImmutableDescriptor cannot be * compromised by modifying field values that are arrays. * @author Eamonn McManus * @modules java.management * @run clean ImmutableArrayFieldTest * @run build ImmutableArrayFieldTest * @run main ImmutableArrayFieldTest */ import java.util.Arrays; import javax.management.ImmutableDescriptor; public class ImmutableArrayFieldTest { public static void main(String[] args) throws Exception { boolean ok = true; ImmutableDescriptor d = new ImmutableDescriptor( new String[] { "strings", "ints", "booleans", }, new Object[] { new String[] {"foo"}, new int[] {5}, new boolean[] {false}, }); String[] strings = (String[]) d.getFieldValue("strings"); strings[0] = "bar"; strings = (String[]) d.getFieldValue("strings"); if (!strings[0].equals("foo")) { System.out.println("FAILED: modified string array field"); ok = false; } int[] ints = (int[]) d.getFieldValue("ints"); ints[0] = 0; ints = (int[]) d.getFieldValue("ints"); if (ints[0] != 5) { System.out.println("FAILED: modified int array field"); ok = false; } boolean[] bools = (boolean[]) d.getFieldValue("booleans"); bools[0] = true; bools = (boolean[]) d.getFieldValue("booleans"); if (bools[0]) { System.out.println("FAILED: modified boolean array field"); ok = false; } Object[] values = d.getFieldValues("strings", "ints", "booleans"); ((String[]) values[0])[0] = "bar"; ((int[]) values[1])[0] = 0; ((boolean[]) values[2])[0] = true; values = d.getFieldValues("strings", "ints", "booleans"); if (!((String[]) values[0])[0].equals("foo") || ((int[]) values[1])[0] != 5 || ((boolean[]) values[2])[0]) { System.out.println("FAILED: getFieldValues modifiable: " + Arrays.deepToString(values)); } if (ok) System.out.println("TEST PASSED"); else throw new Exception("Array field values were modifiable"); } }