| /* |
| * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @bug 8003280 |
| * @summary Add lambda tests |
| * Test instance method reference |
| * @compile MethodRef2.java |
| * @run main MethodRef2 |
| */ |
| |
| public class MethodRef2 { |
| |
| static interface A {String m();} |
| |
| static interface B {String m(int i);} |
| |
| private static void assertTrue(boolean cond) { |
| if (!cond) |
| throw new AssertionError(); |
| } |
| |
| String moo() { |
| return "moo"; |
| } |
| |
| String wahoo() { |
| return "wahoo"; |
| } |
| |
| String wahoo(int x) { |
| return "wahoo " + x; |
| } |
| |
| public static void main(String[] args) { |
| |
| MethodRef2 mr = new MethodRef2(); |
| |
| A a = mr::moo; //instance reference to moo() |
| assertTrue( a.m().equals("moo") ); |
| |
| a = new MethodRef2()::wahoo; //instance reference to wahoo() |
| assertTrue( a.m().equals("wahoo") ); |
| |
| B b = mr::wahoo; //instance reference to wahoo(int) |
| assertTrue( b.m(4).equals("wahoo 4") ); |
| } |
| } |