test/jdk/java/io/Serializable/recursiveClassDescLookup/Test.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

/*
 * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/* @test
 * @bug 4803747
 * @run main/timeout=20 Test
 * @summary Verify that a nested call to ObjectStreamClass.lookup from within
 *          the static initializer of a serializable class will not cause
 *          deadlock.
 */

import java.io.*;

class Foo implements Serializable {
    private static final long serialVersionUID = 1L;
    static {
        ObjectStreamClass.lookup(Foo.class);
    }
}

public class Test {
    public static void main(String[] args) throws Exception {
        Class<?> fooCl = Class.forName("Foo", false, Test.class.getClassLoader());
        ObjectStreamClass.lookup(fooCl);
        System.out.println("done.");
    }
}