/*

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 *

 * 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

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 * questions.

 */

/* @test

 * @bug 4205440

 * @summary When ObjectInputStream.inputClassDescriptor calls its protected

 * resolveClass, if a NoClassDefFoundError is thrown, that Error should be

 * propagated to the caller, instead of being trapped and transformed into

 * a ClassNotFoundException for the class being resolved.

 * @author Peter Jones

 *

 * @build NoClassDefFoundErrorTrap

 * @run main NoClassDefFoundErrorTrap

 */

import java.io.*;

public class NoClassDefFoundErrorTrap {

    private static NoClassDefFoundError ncdfe;

    public interface Bar {}

    /**

     * Test subclass of ObjectInputStream that overrides resolveClass

     * to throw a NoClassDefFoundError if our test class "Foo" is to

     * be resolved.

     */

    public static class TestObjectInputStream extends ObjectInputStream {

        public TestObjectInputStream(InputStream in)

            throws IOException

        {

            super(in);

        }

            throws IOException, ClassNotFoundException

        {

            String name = desc.getName();

            if (name.equals(Foo.class.getName())) {

                ncdfe = new NoClassDefFoundError("Bar");

                throw ncdfe;

            } else {

                return super.resolveClass(desc);

            }

        }

    }

    public static void main(String[] args) {

        System.err.println("\nRegression test for bug 4205440\n");

        try {

            /*

             * Serialize a Foo instance to a byte array.

             */

            Foo foo = new Foo();

            ByteArrayOutputStream bout = new ByteArrayOutputStream();

            ObjectOutputStream out = new ObjectOutputStream(bout);

            out.writeObject(foo);

            byte[] stream = bout.toByteArray();

            /*

             * Deserialize the Foo instance using our test subclass of

             * ObjectInputStream that will throw NoClassDefFoundError.

             */

            ByteArrayInputStream bin = new ByteArrayInputStream(stream);

            ObjectInputStream in = new TestObjectInputStream(bin);

            /*

             * The test succeeds if we get the NoClassDefFoundError.

             */

            try {

                in.readObject();

            } catch (NoClassDefFoundError e) {

                if (e == ncdfe) {

                    System.err.println("TEST PASSED: " + e.toString());

                } else {

                    throw e;

                }

            }

        } catch (Exception e) {

            System.err.println("\nTEST FAILED:");

            e.printStackTrace();

            throw new RuntimeException("TEST FAILED: " + e.toString());

        }

    }

}