1 /* 2 * Copyright (c) 2004, 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 5014447 27 * @summary Test deserialization of UUID 28 * @key randomness 29 */ 30 31 package test.java.util.UUID; 32 33 import java.io.*; 34 import java.util.*; 35 36 /** 37 * This class tests to see if UUID can be serialized and 38 * deserialized properly. This originally failed because 39 * the transient fields which were computed on demand are 40 * not set back to the uninitialized value upon reconstitition. 41 */ 42 public class Serial { 43 main(String[] args)44 public static void main(String[] args) throws Exception { 45 UUID a = UUID.randomUUID(); 46 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 47 ObjectOutputStream oos = new ObjectOutputStream(baos); 48 oos.writeObject(a); 49 ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); 50 ObjectInputStream ois = new ObjectInputStream(bais); 51 UUID b = (UUID)ois.readObject(); 52 if (!a.equals(b)) 53 throw new RuntimeException("UUIDs not equal"); 54 oos.close(); 55 ois.close(); 56 } 57 } 58