Compare.java revision 9330:8b1f1c2a400f
1/* 2 * Copyright (c) 1998, 2012, 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 4096312 27 * @summary Codebase annotations on classes that are marshalled should not 28 * affect the behavior of MarshalledObject.equals. Only the bytes 29 * not involved in location should be compared. 30 * @author Ken Arnold 31 * 32 * @run main/othervm Compare 11 annotatedRef 33 */ 34 35import java.rmi.MarshalledObject; 36import java.io.*; 37 38public class Compare { 39 static class Node implements Serializable { 40 int value = nextValue++; 41 Node next; 42 43 static int nextValue = 1; 44 }; 45 46 private static MarshalledObject made; 47 private static MarshalledObject read; 48 49 public static void main(String[] args) throws Throwable { 50 if (args.length == 1) 51 writeObjToOut(Integer.parseInt(args[0])); 52 else 53 compareObjToFile(args[0], args[1]); 54 } 55 56 static void writeObjToOut(int listLength) throws Throwable { 57 ObjectOutputStream out = new ObjectOutputStream(System.out); 58 out.writeObject(marshalledList(listLength)); 59 out.close(); 60 } 61 62 public static void compareHashCodes(String[] args) throws Throwable { 63 File f = new File(System.getProperty("test.src", "."), args[1]); 64 setupObjects(args[0], f); 65 if (made.hashCode() != read.hashCode()) { 66 throw new RuntimeException( 67 "made.hashCode(){" + made.hashCode() + "} != " + 68 "read.hashCode(){" + read.hashCode() + "}" 69 ); 70 } 71 } 72 73 static void compareObjToFile(String lengthStr, String file0) throws Throwable 74 { 75 File f = new File(System.getProperty("test.src", "."), file0); 76 setupObjects(lengthStr, f); 77 if (!made.equals(read) || !read.equals(made)) { 78 throw new RuntimeException( 79 "made.equals(read) = " + made.equals(read) 80 + ", read.equals(made) = " + read.equals(made) 81 ); 82 } 83 } 84 85 static MarshalledObject setupObjects(String lengthStr, File file) 86 throws Throwable 87 { 88 int listLength = Integer.parseInt(lengthStr); 89 made = marshalledList(listLength); 90 ObjectInputStream in = new ObjectInputStream(new FileInputStream(file)); 91 read = (MarshalledObject) in.readObject(); 92 in.close(); 93 return read; 94 } 95 96 static MarshalledObject marshalledList(int length) throws Throwable { 97 Node head = null; 98 Node cur = null; 99 for (int i = 0; i < length; i++) { 100 if (head == null) 101 cur = head = new Node(); 102 else 103 cur = cur.next = new Node(); 104 } 105 System.err.println("head = " + head); 106 return new MarshalledObject(head); 107 } 108} 109