| /* |
| * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8174962 |
| * @summary Redefine class with interface method call |
| * @library /testlibrary |
| * @build RedefineClassHelper |
| * @run main RedefineClassHelper |
| * @run main/othervm -javaagent:redefineagent.jar -XX:TraceRedefineClasses=3174407 RedefineInterfaceCall |
| */ |
| |
| import static com.oracle.java.testlibrary.Asserts.assertEquals; |
| |
| interface I1 { default int m() { return 0; } } |
| interface I2 extends I1 {} |
| |
| public class RedefineInterfaceCall { |
| |
| public static class C implements I2 { |
| public int test(I2 i) { |
| return i.m(); // invokeinterface cpCacheEntry |
| } |
| } |
| |
| static String newI1 = |
| "interface I1 { default int m() { return 1; } }"; |
| |
| static String newC = |
| "public class RedefineInterfaceCall$C implements I2 { " + |
| " public int test(I2 i) { " + |
| " return i.m(); " + |
| " } " + |
| "} "; |
| |
| static int test(I2 i) { |
| return i.m(); // invokeinterface cpCacheEntry |
| } |
| |
| public static void main(String[] args) throws Exception { |
| C c = new C(); |
| |
| assertEquals(test(c), 0); |
| assertEquals(c.test(c), 0); |
| |
| RedefineClassHelper.redefineClass(C.class, newC); |
| |
| assertEquals(c.test(c), 0); |
| |
| RedefineClassHelper.redefineClass(I1.class, newI1); |
| |
| assertEquals(test(c), 1); |
| assertEquals(c.test(c), 1); |
| |
| RedefineClassHelper.redefineClass(C.class, newC); |
| |
| assertEquals(c.test(c), 1); |
| } |
| } |