1 /*

     2  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /*

    25 @test

    26 @bug 8010010

    27 @summary NPE generating serializedLambdaName for nested lambda

    28 */

    29 

    30 import java.io.*;

    31 import java.util.Map;

    32 import java.util.HashMap;

    33 

    34 public class LambdaLambdaSerialized {

    35 

    36     static int assertionCount = 0;

    37 

    38     static void assertTrue(boolean cond) {

    39         assertionCount++;

    40         if (!cond)

    41             throw new AssertionError();

    42     }

    43 

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

    45         try {

    46             // Write lambdas out

    47             ByteArrayOutputStream baos = new ByteArrayOutputStream();

    48             ObjectOutput out = new ObjectOutputStream(baos);

    49             LSI<LSI<Map>> ssi = () -> (() -> new HashMap());

    50             write(out, ssi );

    51             out.flush();

    52             out.close();

    53 

    54             // Read them back

    55             ByteArrayInputStream bais =

    56                 new ByteArrayInputStream(baos.toByteArray());

    57             ObjectInputStream in = new ObjectInputStream(bais);

    58             readAssert(in, "[X]");

    59             in.close();

    60         } catch (IOException e) {

    61             e.printStackTrace();

    62             throw e;

    63         }

    64     }

    65 

    66     static void write(ObjectOutput out, LSI<LSI<Map>> lamb) throws IOException {

    67         out.writeObject(lamb);

    68     }

    69 

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

    71         LSI<LSI<Map>> ls = (LSI<LSI<Map>>) in.readObject();

    72         Map result = ls.get().get();

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

    74     }

    75 }

    76 

    77 interface LSI<T> extends Serializable {

    78     T get();

    79 }