MethodRef3.java revision 1414:01c9d4161882
1/*
2 * Copyright (c) 2011, 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 *   Test unbound method reference
29 * @compile MethodRef3.java
30 * @run main MethodRef3
31 */
32
33public class MethodRef3 {
34
35    static interface A { String m(MethodRef3 mr); }
36
37    static interface B { String m(MethodRef3 mr, String s); }
38
39    private static void assertTrue(boolean cond) {
40        if (!cond)
41            throw new AssertionError();
42    }
43
44    String moo() {
45        return "moo";
46    }
47
48    String wahoo(String s) {
49        return "wahoo " + s;
50    }
51
52    public static void main(String[] args) {
53
54        MethodRef3 mr = new MethodRef3();
55        A a = MethodRef3::moo; //unbound reference to moo()
56        assertTrue( a.m(mr).equals("moo") );
57        B b = MethodRef3::wahoo; //unbound reference to wahoo()
58        assertTrue( b.m(mr, "hi").equals("wahoo hi") );
59    }
60}
61