1 /* 2 * Copyright (c) 2005, 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 /* @test 25 * @summary it is new version of old test which was 26 * /src/share/test/serialization/piotest.java 27 * Test of serialization/deserialization of 28 * objects with CircularListType types 29 */ 30 31 import java.io.*; 32 33 public class CircularList { 34 public static void main (String argv[]) throws IOException { 35 System.err.println("\nRegression test for testing of " + 36 "serialization/deserialization of " + 37 "objects with CirculalListType types \n"); 38 39 FileInputStream istream = null; 40 FileOutputStream ostream = null; 41 try { 42 ostream = new FileOutputStream("piotest7.tmp"); 43 ObjectOutputStream p = new ObjectOutputStream(ostream); 44 45 CircularListTest.setup(); 46 p.writeObject(CircularListTest.list); 47 p.flush(); 48 49 istream = new FileInputStream("piotest7.tmp"); 50 ObjectInputStream q = new ObjectInputStream(istream); 51 52 CircularListTest cv = (CircularListTest)q.readObject(); 53 if (cv != cv.next) { 54 System.err.println("\nTEST FAILED: " + 55 "Circular List Test failed, next != self"); 56 throw new Error(); 57 } 58 System.err.println("\nTEST PASSED"); 59 } catch (Exception e) { 60 System.err.print("TEST FAILED: "); 61 e.printStackTrace(); 62 throw new Error(); 63 } finally { 64 if (istream != null) istream.close(); 65 if (ostream != null) ostream.close(); 66 } 67 } 68 } 69 70 class CircularListTest implements java.io.Serializable { 71 public CircularListTest next = null; 72 public static CircularListTest list = null; 73 74 public static void setup() { 75 list = new CircularListTest(); 76 list.next = list; 77 } 78 }