1 /*
   2  * Copyright 2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6177836
  27  * @summary Verify BigDecimal objects with collapsed values are serialized properly.
  28  * @author Joseph D. Darcy
  29  */
  30 
  31 import java.math.*;
  32 import java.io.*;
  33 
  34 public class SerializationTests {
  35 
  36     static void checkSerialForm(BigDecimal bd) throws Exception  {
  37         ByteArrayOutputStream bos = new ByteArrayOutputStream();
  38         ObjectOutputStream oos = new ObjectOutputStream(bos);
  39         oos.writeObject(bd);
  40         oos.flush();
  41         oos.close();
  42         ObjectInputStream ois = new
  43             ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()));
  44         BigDecimal tmp = (BigDecimal)ois.readObject();
  45 
  46         if (!bd.equals(tmp) ||
  47             bd.hashCode() != tmp.hashCode()) {
  48             System.err.print("  original : " + bd);
  49             System.err.println(" (hash: 0x" + Integer.toHexString(bd.hashCode()) + ")");
  50             System.err.print("serialized : " + tmp);
  51             System.err.println(" (hash: 0x" + Integer.toHexString(tmp.hashCode()) + ")");
  52             throw new RuntimeException("Bad serial roundtrip");
  53         }
  54     }
  55 
  56     public static void main(String[] args) throws Exception {
  57         BigDecimal values[] = {
  58             BigDecimal.ZERO,
  59             BigDecimal.ONE,
  60             BigDecimal.TEN,
  61             new BigDecimal(0),
  62             new BigDecimal(1),
  63             new BigDecimal(10),
  64             new BigDecimal(Integer.MAX_VALUE),
  65             new BigDecimal(Long.MAX_VALUE-1),
  66             new BigDecimal(BigInteger.valueOf(1), 1),
  67             new BigDecimal(BigInteger.valueOf(100), 50),
  68         };
  69 
  70         for(BigDecimal value : values) {
  71             checkSerialForm(value);
  72             checkSerialForm(value.negate());
  73         }
  74 
  75     }
  76 }