test/jdk/java/io/Serializable/resolveClass/consTest/ConsTest.java
author rriggs
Fri, 11 Oct 2019 13:11:56 -0400
changeset 58565 baa5969ecf34
parent 51977 a8862960c19f
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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/*
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 * @test
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 * @bug 4413434
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 * @library /test/lib
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 * @build jdk.test.lib.util.JarUtils SetupJar Boot
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 * @run driver SetupJar
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 * @run main/othervm -Xbootclasspath/a:boot.jar ConsTest
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 * @summary Verify that generated java.lang.reflect implementation classes do
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 *          not interfere with serialization's class resolution mechanism.
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 */
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.io.Serializable;
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import java.lang.reflect.Constructor;
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import jdk.test.lib.util.JarUtils;
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public class ConsTest implements Serializable {
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    private static final long serialVersionUID = 1L;
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    public static void main(String[] args) throws Exception {
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        Constructor<?> cons = Boot.class.getConstructor(ObjectInputStream.class);
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        ByteArrayOutputStream bout = new ByteArrayOutputStream();
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        ObjectOutputStream oout = new ObjectOutputStream(bout);
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        oout.writeObject(new ConsTest());
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        oout.close();
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        for (int i = 0; i < 100; i++) {
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            ObjectInputStream oin = new ObjectInputStream(
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                new ByteArrayInputStream(bout.toByteArray()));
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            cons.newInstance(oin);
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        }
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    }
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}