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