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 8226798 27 * @summary Check that the vTable for class C gets set up without causing 28 * an assertion failure. 29 * @compile pkg/A.java 30 * @run main VTableTest 31 */ 32 33 public class VTableTest { 34 35 interface Intf { 36 public default void m() { } 37 public default void unusedButNeededToReproduceIssue() { } 38 } 39 40 static class B extends pkg.A implements Intf { 41 } 42 43 static class C extends B { 44 public void m() { System.out.println("In C.m()"); } 45 } 46 47 public static void main(String[] args) { 48 new C().m(); 49 } 50 }