aoqi@0: /*
aoqi@0:  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 8003280
aoqi@0:  * @summary Add lambda tests
aoqi@0:  *  check overload resolution and target type inference w.r.t. generic methods
aoqi@0:  * @author  Maurizio Cimadamore
aoqi@0:  * @run main TargetType03
aoqi@0:  */
aoqi@0: import java.util.*;
aoqi@0: 
aoqi@0: public class TargetType03 {
aoqi@0: 
aoqi@0:     interface Mapper<X,Y> {
aoqi@0:         Y myMap(X a);
aoqi@0:     }
aoqi@0: 
aoqi@0:     static class MapperList<A> extends ArrayList<A> {
aoqi@0:         public <B> List<B> myMap(Mapper<A, B> mapper) {
aoqi@0:             ArrayList<B> mappedList = new ArrayList<>();
aoqi@0:             for (A elem : this) {
aoqi@0:                 mappedList.add(mapper.myMap(elem));
aoqi@0:             }
aoqi@0:             return mappedList;
aoqi@0:         };
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static void main(String[] args) {
aoqi@0:         MapperList<Integer> numbers = new MapperList<>();
aoqi@0:         numbers.add(1);
aoqi@0:         numbers.add(2);
aoqi@0:         numbers.add(3);
aoqi@0:         numbers.add(4);
aoqi@0:         numbers.add(5);
aoqi@0:         List<Integer> sqNumbers = numbers.myMap(a -> a * a);
aoqi@0:         //check invariants
aoqi@0:         if (numbers.size() != sqNumbers.size()) {
aoqi@0:             throw new AssertionError();
aoqi@0:         }
aoqi@0:         for (int i = 0; i < numbers.size() ; i ++) {
aoqi@0:             if (sqNumbers.get(i) != Math.pow(numbers.get(i), 2)) {
aoqi@0:                 throw new AssertionError();
aoqi@0:             }
aoqi@0:         }
aoqi@0:     }
aoqi@0: }