1 /*
2  * Copyright (c) 2012, 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 8003280
27  * @summary Add lambda tests
28  *  check that lambda/method references are valid method reference qualifiers
29  * @run main MethodReference35
30  */
31 
32 public class MethodReference35 {
33 
34     static int assertionCount = 0;
35 
assertTrue(boolean cond)36     static void assertTrue(boolean cond) {
37         assertionCount++;
38         if (!cond)
39             throw new AssertionError();
40     }
41 
42     interface SAM {
invoke()43         MethodReference35 invoke();
44     }
45 
MethodReference35()46     MethodReference35() {
47         assertTrue(true);
48     }
49 
m()50     static MethodReference35 m() {
51         assertTrue(true);
52         return null;
53     }
54 
main(String[] args)55     public static void main(String[] args) {
56         SAM sam1 = ((SAM)() -> { assertTrue(true); return null; })::invoke;
57         sam1.invoke();
58         SAM sam2 = ((SAM)MethodReference35::new)::invoke;
59         sam1.invoke();
60         SAM sam3 = ((SAM)MethodReference35::m)::invoke;
61         sam1.invoke();
62         assertTrue(assertionCount == 3);
63     }
64 }
65