1 /* 2 * Copyright (c) 2013, 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 8026735 27 * @summary CHA in C1 should make correct decisions about default methods 28 * @run main/othervm -Xcomp -XX:CompileOnly=InlineDefaultMethod::test -XX:TieredStopAtLevel=1 InlineDefaultMethod 29 */ 30 31 32 interface InterfaceWithDefaultMethod0 { 33 default public int defaultMethod() { 34 return 1; 35 } 36 } 37 38 interface InterfaceWithDefaultMethod1 extends InterfaceWithDefaultMethod0 { } 39 40 abstract class Subtype implements InterfaceWithDefaultMethod1 { } 41 42 class Decoy extends Subtype { 43 public int defaultMethod() { 44 return 2; 45 } 46 } 47 48 class Instance extends Subtype { } 49 50 public class InlineDefaultMethod { 51 public static int test(InterfaceWithDefaultMethod1 x) { 52 return x.defaultMethod(); 53 } 54 public static void main(String[] args) { 55 InterfaceWithDefaultMethod1 a = new Decoy(); 56 InterfaceWithDefaultMethod1 b = new Instance(); 57 if (test(a) != 2 || 58 test(b) != 1) { 59 System.err.println("FAILED"); 60 System.exit(97); 61 } 62 System.err.println("PASSED"); 63 } 64 }