MethodRef8.java revision 2731:d5b3ff8ab3b3
1/* 2 * Copyright (c) 2014, 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 8063052 27 * @summary Inference chokes on wildcard derived from method reference 28 * @compile MethodRef8.java 29 */ 30 31public class MethodRef8 { 32 void test(Box<? extends Box<? extends Number>> b) { 33 Number n1 = b.map(Box::get).get(); 34 Number n2 = b.<Number>map(Box::get).get(); 35 } 36 37 interface Func<S,T> { T apply(S arg); } 38 39 interface Box<T> { 40 T get(); 41 <R> Box<R> map(Func<T,R> f); 42 } 43} 44