1 /* 2 * Copyright (c) 2019, 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 8227415 27 * @run main p.SuperMethodTest 28 * @summary method reference to a protected method inherited from its 29 * superclass in a different package must be accessed via 30 * a bridge method. Lambda proxy class has no access to it. 31 */ 32 33 package p; 34 35 import q.I; 36 import q.J; 37 38 import java.nio.file.Path; 39 import java.nio.file.Paths; 40 import java.util.function.Function; 41 42 public class SuperMethodTest { 43 public static void main(String... args) { 44 Sub_I sub = new Sub_I(); 45 sub.test(Paths.get("test")); 46 } 47 48 public static class Sub_J extends J { 49 Sub_J(Function<Path,String> function) { 50 super(function); 51 } 52 } 53 54 public static class Sub_I extends I { 55 public void test(Path path) { 56 /* 57 * The method reference to an inherited protected method 58 * in another package is desugared with REF_invokeVirtual on 59 * a bridge method to invoke protected q.I::filename method 60 */ 61 Sub_J c = new Sub_J(this::filename); 62 c.check(path); 63 } 64 } 65 } 66