test/jdk/java/io/Serializable/noSuchFieldClarification/NoSuchFieldClarification.java
author rriggs
Fri, 11 Oct 2019 13:11:56 -0400
changeset 58565 baa5969ecf34
parent 47216 71c04702a3d5
permissions -rw-r--r--
8231427: Warning cleanup in tests of java.io.Serializable Reviewed-by: darcy, lancea
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/*
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 * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/* @test
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 * @bug 6323008
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 * @summary this test verifies that exception from GetField.get method
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 *              will be a more comprehensible
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 *
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 * @author Andrey Ozerov
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 *
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 */
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 import java.io.*;
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 class TwoDPoint implements Serializable {
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     private static final long serialVersionUID = 1L;
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     private double radius;
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         private double angle;
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         private static final ObjectStreamField[] serialPersistentFields  = {
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                 new ObjectStreamField("x", double.class),
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                 new ObjectStreamField("y", double.class),
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         };
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         public TwoDPoint(double x, double y) {
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                 this.radius = Math.sqrt(x*x+y*y);
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                 this.angle = Math.atan2(y, x);
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         }
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         public double getX() {
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                 return radius * Math.cos(angle);
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         }
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         public double getY() {
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                 return radius * Math.sin(angle);
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         }
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         public String toString() {
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                 return "[TwoDPoint:x=" + this.getX() + ", y=" + this.getY() +"]";
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         }
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         private void writeObject(ObjectOutputStream out) throws IOException {
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                 ObjectOutputStream.PutField fields = out.putFields();
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                 fields.put("x", radius * Math.cos(angle));
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                 fields.put("y", radius * Math.sin(angle));
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                 out.writeFields();
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         }
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         private void readObject(ObjectInputStream in)
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                throws ClassNotFoundException, IOException
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        {
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                ObjectInputStream.GetField fields = in.readFields();
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                double x = fields.get("x", 0);
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                double y = fields.get("y", 0.0);
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                radius = Math.sqrt(x*x + y*y);
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                angle = Math.atan2(y, x);
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        }
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 }
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 public class NoSuchFieldClarification {
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         private static final String SUBSTRING1 = "x";
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         private static final String SUBSTRING2 = int.class.toString();
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         public static void main(String[] args) throws IOException,
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                ClassNotFoundException
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        {
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                 TwoDPoint point = new TwoDPoint(7, 67);
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                 ByteArrayOutputStream bout = new ByteArrayOutputStream();
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                 ObjectOutputStream oout = new ObjectOutputStream(bout);
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                 oout.writeObject(point);
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                 oout.close();
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                 byte[] ser = bout.toByteArray();
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                 ByteArrayInputStream bin = new ByteArrayInputStream(ser);
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                 ObjectInputStream oin = new ObjectInputStream(bin);
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                 try {
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                         point = (TwoDPoint) oin.readObject();
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                         throw new Error();
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                 } catch(IllegalArgumentException exc) {
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                         String msg = exc.getMessage();
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                         System.err.println("\nOriginal message : " + msg);
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                         if (msg.trim().toLowerCase().lastIndexOf(SUBSTRING1) > 0 &&
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                                 msg.trim().toLowerCase().lastIndexOf(SUBSTRING2) > 0)
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                         {
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                                 System.err.println("\nTEST PASSED");
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                         } else {
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                                 throw new Error();
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                         }
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                 }
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         }
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 }