langtools/test/tools/javac/lambda/MethodReference10.java
author mcimadamore
Sat, 17 Nov 2012 19:01:03 +0000
changeset 14547 86d8d242b0c4
permissions -rw-r--r--
8003280: Add lambda tests Summary: Turn on lambda expression, method reference and default method support Reviewed-by: jjg
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/*
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 * Copyright (c) 2010, 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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 *  check that non static selectors in method refs are handled correctly
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 * @author  Maurizio Cimadamore
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 * @compile MethodReference10.java
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 */
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import java.util.*;
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class MethodReference10 {
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    interface Getter<U, T> {
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        public U get(T t);
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    }
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    public static <T, U extends Comparable<? super U>>
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        void sortBy(Collection<T> s, Getter<U, T> getter) {};
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    static class Foo {
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        private String a;
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        String getA(Foo f) { return f.a; }
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    }
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    public static void main(String[] args) {
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        Collection<Foo> c = new ArrayList<Foo>();
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        sortBy(c, new Foo()::getA);
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    }
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}