test/jdk/java/io/Serializable/getSuidClinitError/GetSuidClinitError.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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 * @bug 4482966
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 * @summary Verify that ObjectStreamClass.getSerialVersionUID() will not mask
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 *          Errors (other than NoSuchMethodError) triggered by JNI query for
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 *          static initializer method.
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 */
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import java.io.*;
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@SuppressWarnings("serial") /* Incorrect declarations are being tested. */
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class A implements Serializable {
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    static {
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        // compiler prohibits direct throw
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        throwMe(new RuntimeException("blargh"));
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    }
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    static void throwMe(RuntimeException ex) throws RuntimeException {
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        throw ex;
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    }
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}
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@SuppressWarnings("serial") /* Incorrect declarations are being tested. */
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class B implements Serializable {
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}
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@SuppressWarnings("serial") /* Incorrect declarations are being tested. */
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class C implements Serializable {
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    static { System.out.println("C.<clinit>"); }
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}
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@SuppressWarnings("serial") /* Incorrect declarations are being tested. */
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class B1 extends B {
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}
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@SuppressWarnings("serial") /* Incorrect declarations are being tested. */
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class B2 extends B {
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    static { System.out.println("B2.<clinit>"); }
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}
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@SuppressWarnings("serial") /* Incorrect declarations are being tested. */
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class C1 extends C {
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}
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@SuppressWarnings("serial") /* Incorrect declarations are being tested. */
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class C2 extends C {
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    static { System.out.println("C2.<clinit>"); }
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}
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public class GetSuidClinitError {
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    public static void main(String[] args) throws Exception {
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        Class<?> cl = Class.forName(
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            "A", false, GetSuidClinitError.class.getClassLoader());
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        for (int i = 0; i < 2; i++) {
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            try {
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                ObjectStreamClass.lookup(cl).getSerialVersionUID();
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                throw new Error();
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            } catch (ExceptionInInitializerError er) {
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            } catch (NoClassDefFoundError er) {
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                /*
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                 * er _should_ be an ExceptionInInitializerError; however,
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                 * hotspot currently throws a NoClassDefFoundError in this
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                 * case, which runs against the JNI spec.  For the purposes of
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                 * testing this fix, however, permit either.
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                 */
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                System.out.println("warning: caught " + er +
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                    " instead of ExceptionInInitializerError");
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            }
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        }
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        Class<?>[] cls = {
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            B.class, B1.class, B2.class,
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            C.class, C1.class, C2.class
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        };
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        long[] suids = new long[] {     // 1.3.1 default serialVersionUIDs
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            369445310364440919L, 7585771686008346939L, -8952923334200087495L,
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            3145821251853463625L, 327577314910517070L, -92102021266426451L
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        };
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        for (int i = 0; i < cls.length; i++) {
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            if (ObjectStreamClass.lookup(cls[i]).getSerialVersionUID() !=
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                suids[i])
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            {
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                throw new Error();
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            }
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        }
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    }
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}