XDdumpLambdaToMethodStats.java revision 3528:5538ba41cb97 
1/*
2 * Copyright (c) 2015, 2016, 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 8143217
27 * @summary javac throws NPE when printing diagnostics for Lambda expressions
28 * @compile XDdumpLambdaToMethodStats.java -Xdebug:dumpLambdaToMethodStats
29 *
30 */
31
32/*
33 * Note: No golden file since the crash is reproducible only when raw
34 *       diagnostics are not in effect.
35*/
36
37public class XDdumpLambdaToMethodStats {
38    public static void main(String... a) {
39        new XDdumpLambdaToMethodStats().run();
40    }
41
42    public void run() {
43        printHash(this::m);
44        printHash(XDdumpLambdaToMethodStats::sm);
45        printHash(() -> { o = new Object(); });
46        printHash(() -> { s = new Object(); });
47    }
48
49    private void printHash(Runnable function) {
50        System.out.println(function + "; hash=" + function.hashCode());
51    }
52
53    private static void sm() {
54    }
55
56    private void m() {
57    }
58
59    private Object o;
60    private static Object s;
61}
62