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
30import java.io.*;
31import java.util.Map;
32import java.util.HashMap;
33
34public 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    interface LSI<T> extends Serializable {
77        T get();
78    }
79}
80