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 * 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.

 *

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 */

/*

@test

@bug 8004970

@summary Lambda serialization

*/

import java.io.*;

public class LambdaSerialization {

    static int assertionCount = 0;

    static void assertTrue(boolean cond) {

        assertionCount++;

        if (!cond)

            throw new AssertionError();

    }

    public static void main(String[] args) throws Exception {

        try {

            // Write lambdas out

            ByteArrayOutputStream baos = new ByteArrayOutputStream();

            ObjectOutput out = new ObjectOutputStream(baos);

            write(out, z -> "[" + z + "]" );

            write(out, z -> z + z );

            write(out, z -> "blah" );

            out.flush();

            out.close();

            // Read them back

            ByteArrayInputStream bais =

                new ByteArrayInputStream(baos.toByteArray());

            ObjectInputStream in = new ObjectInputStream(bais);

            readAssert(in, "[X]");

            readAssert(in, "XX");

            readAssert(in, "blah");

            in.close();

        } catch (IOException e) {

            e.printStackTrace();

            throw e;

        }

        assertTrue(assertionCount == 3);

    }

    static void write(ObjectOutput out, LSI lamb) throws IOException {

        out.writeObject(lamb);

    }

    static void readAssert(ObjectInputStream in, String expected)  throws IOException, ClassNotFoundException {

        LSI ls = (LSI) in.readObject();

        String result = ls.convert("X");

        System.out.printf("Result: %s\n", result);

        assertTrue(result.equals(expected));

    }

}

interface LSI extends Serializable {

    String convert(String x);

}