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 static method reference
29 * @compile MethodRef1.java
30 * @run main MethodRef1
31 */
32
33public class MethodRef1 {
34
35    static interface A {void m();}
36
37    static interface B {void m(int i);}
38
39    static interface C {String m(String s);}
40
41    private static void assertTrue(boolean cond) {
42        if (!cond)
43            throw new AssertionError();
44    }
45
46    static void foo(int x) {
47        System.out.println("MethodRef1.foo(int) " + x);
48    }
49
50    static void bar() {
51        System.out.println("MethodRef1.bar()");
52    }
53
54    static void bar(int x) {
55        System.out.println("MethodRef1.bar(int) " + x);
56    }
57
58    static String bar(String s) {
59        return "MethodRef1.bar(String) " + s;
60    }
61
62    public static void main(String[] args) {
63
64        A a = MethodRef1::bar; //static reference to bar()
65        a.m();
66
67        B b = MethodRef1::foo; //static reference to foo(int), (int) omitted because method foo is not overloaded
68        b.m(1);
69
70        b = MethodRef1::foo; //static reference to foo(int)
71        b.m(1);
72
73        b = MethodRef1::bar; //static reference to bar(int)
74        b.m(2);
75
76        C c = MethodRef1::bar; //static reference to bar(String)
77        assertTrue( c.m("hi").equals("MethodRef1.bar(String) hi") );
78    }
79}
80