1 /* 2 * Copyright (c) 2003, 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 4894801 27 * @summary Test that ObjectName.getInstance(ObjectName) preserves key order 28 * @author Eamonn McManus 29 * 30 * @run clean ObjectNameGetInstanceTest 31 * @run build ObjectNameGetInstanceTest 32 * @run main ObjectNameGetInstanceTest 33 */ 34 35 import javax.management.*; 36 37 public class ObjectNameGetInstanceTest { main(String[] args)38 public static void main(String[] args) throws Exception { 39 System.out.println("Test that ObjectName.getInstance(ObjectName) " + 40 "preserves the order of keys in its input"); 41 42 final String nonCanonical = "d:x=y,a=b"; 43 ObjectName nice = new ObjectName(nonCanonical); 44 45 // Check that we are in fact using an ObjectName whose canonical 46 // form is not the same as the input 47 if (nice.getCanonicalName().equals(nonCanonical)) { 48 System.err.println("TEST IS BROKEN: INPUT ALREADY CANONICAL"); 49 System.exit(1); 50 } 51 52 ObjectName evil = new EvilObjectName(nonCanonical); 53 ObjectName unEvil = ObjectName.getInstance(evil); 54 if (unEvil instanceof EvilObjectName) { 55 System.err.println("FAILS: getInstance did not banish evil"); 56 System.exit(1); 57 } 58 59 if (nice.equals(unEvil)) 60 System.out.println("Test passes: original key order preserved"); 61 else { 62 System.out.println("FAILS: key order changed"); 63 System.exit(1); 64 } 65 } 66 67 public static class EvilObjectName extends ObjectName { EvilObjectName(String s)68 public EvilObjectName(String s) throws MalformedObjectNameException { 69 super(s); 70 } 71 getCanonicalName()72 public String getCanonicalName() { 73 return "bogus:canonical=name"; 74 } 75 } 76 } 77