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

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
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/* @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.");
    }
}