test/jdk/java/io/Serializable/sanityCheck/SanityCheck.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) 2001, 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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 * @summary Basic sanity check to test if default (de)serialization is
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 *          transmitting values properly.
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 * @key randomness
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 */
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import java.io.*;
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import java.util.*;
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class Item implements Serializable {
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    private static final long serialVersionUID = 1L;
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    static final int ARRAYLEN = 1000;
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    static final int STRLEN = 1000;
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    static Random rand = new Random(System.currentTimeMillis());
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    boolean z;
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    byte b;
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    char c;
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    short s;
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    int i;
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    float f;
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    long j;
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    double d;
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    boolean[] zary;
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    byte[] bary;
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    char[] cary;
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    short[] sary;
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    int[] iary;
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    float[] fary;
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    long[] jary;
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    double[] dary;
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    String str;
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    @SuppressWarnings("serial")  /* Incorrect declarations are being tested */
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    Object[] oary;
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    Item() {
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        z = rand.nextBoolean();
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        b = (byte) rand.nextInt();
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        c = (char) rand.nextInt();
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        s = (short) rand.nextInt();
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        i = rand.nextInt();
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        f = rand.nextFloat();
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        j = rand.nextLong();
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        d = rand.nextDouble();
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        zary = new boolean[ARRAYLEN];
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        bary = new byte[ARRAYLEN];
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        cary = new char[ARRAYLEN];
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        sary = new short[ARRAYLEN];
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        iary = new int[ARRAYLEN];
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        fary = new float[ARRAYLEN];
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        jary = new long[ARRAYLEN];
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        dary = new double[ARRAYLEN];
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        oary = new Object[ARRAYLEN];
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        for (int i = 0; i < ARRAYLEN; i++) {
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            zary[i] = rand.nextBoolean();
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            bary[i] = (byte) rand.nextInt();
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            cary[i] = (char) rand.nextInt();
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            sary[i] = (short) rand.nextInt();
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            iary[i] = rand.nextInt();
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            fary[i] = rand.nextFloat();
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            jary[i] = rand.nextLong();
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            dary[i] = rand.nextDouble();
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            oary[i] = rand.nextInt();
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        }
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        char[] strChars = new char[STRLEN];
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        for (int i = 0; i < STRLEN; i++) {
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            strChars[i] = (char) rand.nextInt();
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        }
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        str = new String(strChars);
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    }
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    public boolean equals(Object obj) {
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        if (!(obj instanceof Item)) {
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            return false;
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        }
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        Item other = (Item) obj;
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        if ((z != other.z) || (b != other.b) || (c != other.c) ||
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            (s != other.s) || (i != other.i) || (f != other.f) ||
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            (j != other.j) || (d != other.d))
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        {
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            return false;
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        }
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        for (int i = 0; i < ARRAYLEN; i++) {
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            if ((zary[i] != other.zary[i]) || (bary[i] != other.bary[i]) ||
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                (cary[i] != other.cary[i]) || (sary[i] != other.sary[i]) ||
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                (iary[i] != other.iary[i]) || (fary[i] != other.fary[i]) ||
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                (jary[i] != other.jary[i]) || (dary[i] != other.dary[i]) ||
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                !oary[i].equals(other.oary[i]))
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            {
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                return false;
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            }
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        }
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        if (!str.equals(other.str)) {
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            return false;
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        }
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        return true;
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    }
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    @Override
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    public int hashCode() {
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        return Objects.hash(i, j);
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    }
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}
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public class SanityCheck {
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    public static void main(String[] args) throws Exception {
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        for (int i = 0; i < 20; i++) {
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            ByteArrayOutputStream bout = new ByteArrayOutputStream();
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            ObjectOutputStream oout = new ObjectOutputStream(bout);
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            Item item = new Item();
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            oout.writeObject(item);
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            oout.close();
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            ObjectInputStream oin = new ObjectInputStream(
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                new ByteArrayInputStream(bout.toByteArray()));
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            Item itemcopy = (Item) oin.readObject();
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            if (! item.equals(itemcopy)) {
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                throw new Error();
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            }
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        }
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    }
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}