1 /* 2 * Copyright (c) 2010, 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 6990094 27 * @summary Verify ObjectInputStream.cloneArray works on many kinds of arrays 28 * @author Stuart Marks, Joseph D. Darcy 29 */ 30 31 import java.io.ByteArrayInputStream; 32 import java.io.ByteArrayOutputStream; 33 import java.io.IOException; 34 import java.io.ObjectInputStream; 35 import java.io.ObjectOutputStream; 36 import java.io.ObjectStreamException; 37 import java.io.Serializable; 38 39 public class TestObjectInputStreamCloneArray { 40 static class Resolver implements Serializable { 41 static Object replacement = null; 42 43 public static void setReplacement(Object o) { 44 replacement = o; 45 } 46 private Object readResolve() throws ObjectStreamException { 47 return replacement; 48 } 49 } 50 51 private static void test(Object replacement) 52 throws IOException, ClassNotFoundException { 53 Resolver.setReplacement(replacement); 54 55 try(ByteArrayOutputStream baos = new ByteArrayOutputStream()) { 56 try(ObjectOutputStream oos = new ObjectOutputStream(baos)) { 57 oos.writeObject(new Resolver()); 58 oos.writeObject(new Resolver()); 59 } 60 61 Object o1; 62 Object o2; 63 try(ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); 64 ObjectInputStream ois = new ObjectInputStream(bais)) { 65 o1 = ois.readUnshared(); 66 o2 = ois.readUnshared(); 67 } 68 69 if (o1 == o2) 70 throw new AssertionError("o1 and o2 must not be identical"); 71 } 72 } 73 74 public static void main(String[] args) 75 throws IOException, ClassNotFoundException { 76 Object[] replacements = { 77 new byte[] {1}, 78 new char[] {'2'}, 79 new short[] {3}, 80 new int[] {4}, 81 new long[] {5}, 82 new float[] {6.0f}, 83 new double[] {7.0}, 84 new boolean[] {true}, 85 new Object[] {"A string."} 86 }; 87 88 for(Object replacement : replacements) { 89 test(replacement); 90 } 91 } 92 }